From 10578eb7706035c3d28b37db58dfa1b16709b510 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Fri, 13 Oct 2017 12:12:37 +0300
Subject: Initial brunch build works

---
 static/js/app.js.map | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'static/js/app.js.map')

diff --git a/static/js/app.js.map b/static/js/app.js.map
index 654ba04..d79e48d 100644
--- a/static/js/app.js.map
+++ b/static/js/app.js.map
@@ -1 +1 @@
-{"version":3,"sources":["app/geshem.js"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAAA;AAAA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AA5EA;AAAA","file":"static/js/app.js","sourcesContent":["Vue.component('root', {\n  template: '<div>A custom component!</div>'\n})\n\nvar app = new Vue({\n  el: '#app',\n  data: {\n    imgs: window.imgs,\n    res: 280,\n    slider: 0,\n    rasterCoords: {\n      140: [\n        [33.35317413, 33.27232471],\n        [36.32243686, 33.27232471],\n        [36.32243686, 30.72293428],\n        [33.35317413, 30.72293428]\n      ],\n      280: [\n        [31.93095218, 34.5156862],\n        [37.86644267, 34.5156862],\n        [37.86644267, 29.42911589],\n        [31.93095218, 29.42911589]\n      ]\n    }\n  }\n});\n\nmapboxgl.accessToken = 'pk.eyJ1IjoieXV2YWRtIiwiYSI6ImNpcnMxbzBuaTAwZWdoa25oczlzZmkwbHcifQ.UHtLngbKm9O8945pJm23Nw';\nvar map = new mapboxgl.Map({\n  container: 'map',\n  style: 'mapbox://styles/mapbox/dark-v9',\n  container: 'map',\n  maxZoom: 10,\n  minZoom: 5,\n  zoom: 6.3,\n  center: [35, 31.9],\n  hash: false\n});\n\nfunction addRadarSource(res, i, url) {\n  map.addSource('radar-' + res + '-' + i, {\n    type: 'image',\n    url: '/static/img/' + url,\n    coordinates: app.rasterCoords[res]\n  })\n}\n\nfunction addRadarLayer(res, i) {\n  map.addLayer({\n    id: 'radar-' + res + '-' + i,\n    source: 'radar-' + res + '-' + i,\n    type: 'raster',\n    paint: {\n      'raster-opacity': 0.85\n    }\n  })\n}\n\nfunction removeRadarLayer(res, i) {\n  map.removeLayer('radar-' + res + '-' + i)\n}\n\nmap.on('style.load', function () {\n  var i = 0;\n  while (i < app.imgs['140'].length) {\n    addRadarSource('140', i, app.imgs['140'][i++])\n  }\n  var i = 0;\n  while (i < app.imgs['280'].length) {\n    addRadarSource('280', i, app.imgs['280'][i++])\n  }\n  addRadarLayer('280', 0)\n})\n\n\n\n"]}
\ No newline at end of file
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Float32Array(16);return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function c(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function f(t,n){var r=n[0],e=n[1],a=n[2],o=n[3],u=n[4],i=n[5],c=n[6],f=n[7],v=n[8],s=n[9],l=n[10],M=n[11],h=n[12],m=n[13],y=n[14],d=n[15],p=r*i-e*u,w=r*c-a*u,A=r*f-o*u,F=e*c-a*i,x=e*f-o*i,b=a*f-o*c,g=v*m-s*h,j=v*y-l*h,R=v*d-M*h,X=s*y-l*m,Z=s*d-M*m,k=l*d-M*y,q=p*k-w*Z+A*X+F*R-x*j+b*g;return q?(q=1/q,t[0]=(i*k-c*Z+f*X)*q,t[1]=(a*Z-e*k-o*X)*q,t[2]=(m*b-y*x+d*F)*q,t[3]=(l*x-s*b-M*F)*q,t[4]=(c*R-u*k-f*j)*q,t[5]=(r*k-a*R+o*j)*q,t[6]=(y*A-h*b-d*w)*q,t[7]=(v*b-l*A+M*w)*q,t[8]=(u*Z-i*R+f*g)*q,t[9]=(e*R-r*Z-o*g)*q,t[10]=(h*x-m*A+d*p)*q,t[11]=(s*A-v*x-M*p)*q,t[12]=(i*j-u*X-c*g)*q,t[13]=(r*X-e*j+a*g)*q,t[14]=(m*w-h*F-y*p)*q,t[15]=(v*F-s*w+l*p)*q,t):null}function v(t,n,r){var e=n[0],a=n[1],o=n[2],u=n[3],i=n[4],c=n[5],f=n[6],v=n[7],s=n[8],l=n[9],M=n[10],h=n[11],m=n[12],y=n[13],d=n[14],p=n[15],w=r[0],A=r[1],F=r[2],x=r[3];return t[0]=w*e+A*i+F*s+x*m,t[1]=w*a+A*c+F*l+x*y,t[2]=w*o+A*f+F*M+x*d,t[3]=w*u+A*v+F*h+x*p,w=r[4],A=r[5],F=r[6],x=r[7],t[4]=w*e+A*i+F*s+x*m,t[5]=w*a+A*c+F*l+x*y,t[6]=w*o+A*f+F*M+x*d,t[7]=w*u+A*v+F*h+x*p,w=r[8],A=r[9],F=r[10],x=r[11],t[8]=w*e+A*i+F*s+x*m,t[9]=w*a+A*c+F*l+x*y,t[10]=w*o+A*f+F*M+x*d,t[11]=w*u+A*v+F*h+x*p,w=r[12],A=r[13],F=r[14],x=r[15],t[12]=w*e+A*i+F*s+x*m,t[13]=w*a+A*c+F*l+x*y,t[14]=w*o+A*f+F*M+x*d,t[15]=w*u+A*v+F*h+x*p,t}function s(t,n,r){var e,a,o,u,i,c,f,v,s,l,M,h,m=r[0],y=r[1],d=r[2];return n===t?(t[12]=n[0]*m+n[4]*y+n[8]*d+n[12],t[13]=n[1]*m+n[5]*y+n[9]*d+n[13],t[14]=n[2]*m+n[6]*y+n[10]*d+n[14],t[15]=n[3]*m+n[7]*y+n[11]*d+n[15]):(e=n[0],a=n[1],o=n[2],u=n[3],i=n[4],c=n[5],f=n[6],v=n[7],s=n[8],l=n[9],M=n[10],h=n[11],t[0]=e,t[1]=a,t[2]=o,t[3]=u,t[4]=i,t[5]=c,t[6]=f,t[7]=v,t[8]=s,t[9]=l,t[10]=M,t[11]=h,t[12]=e*m+i*y+s*d+n[12],t[13]=a*m+c*y+l*d+n[13],t[14]=o*m+f*y+M*d+n[14],t[15]=u*m+v*y+h*d+n[15]),t}function l(t,n,r){var e=r[0],a=r[1],o=r[2];return t[0]=n[0]*e,t[1]=n[1]*e,t[2]=n[2]*e,t[3]=n[3]*e,t[4]=n[4]*a,t[5]=n[5]*a,t[6]=n[6]*a,t[7]=n[7]*a,t[8]=n[8]*o,t[9]=n[9]*o,t[10]=n[10]*o,t[11]=n[11]*o,t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],t}function M(t,n,r){var e=Math.sin(r),a=Math.cos(r),o=n[4],u=n[5],i=n[6],c=n[7],f=n[8],v=n[9],s=n[10],l=n[11];return n!==t&&(t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15]),t[4]=o*a+f*e,t[5]=u*a+v*e,t[6]=i*a+s*e,t[7]=c*a+l*e,t[8]=f*a-o*e,t[9]=v*a-u*e,t[10]=s*a-i*e,t[11]=l*a-c*e,t}function h(t,n,r){var e=Math.sin(r),a=Math.cos(r),o=n[0],u=n[1],i=n[2],c=n[3],f=n[4],v=n[5],s=n[6],l=n[7];return n!==t&&(t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15]),t[0]=o*a+f*e,t[1]=u*a+v*e,t[2]=i*a+s*e,t[3]=c*a+l*e,t[4]=f*a-o*e,t[5]=v*a-u*e,t[6]=s*a-i*e,t[7]=l*a-c*e,t}function m(t,n,r,e,a){var o=1/Math.tan(n/2),u=1/(e-a);return t[0]=o/r,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=o,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=(a+e)*u,t[11]=-1,t[12]=0,t[13]=0,t[14]=2*a*e*u,t[15]=0,t}function y(t,n,r,e,a,o,u){var i=1/(n-r),c=1/(e-a),f=1/(o-u);return t[0]=-2*i,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=-2*c,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=2*f,t[11]=0,t[12]=(n+r)*i,t[13]=(a+e)*c,t[14]=(u+o)*f,t[15]=1,t}(function(){var t=new Float32Array(3);t[0]=0,t[1]=0,t[2]=0})(),function(){var t=new Float32Array(4);t[0]=0,t[1]=0,t[2]=0,t[3]=0}();return{vec3:{transformMat3:t},vec4:{transformMat4:n},mat2:{create:r,rotate:e,scale:a},mat3:{create:o,fromRotation:u},mat4:{create:i,identity:c,translate:s,scale:l,multiply:v,perspective:m,rotateX:M,rotateZ:h,invert:f,ortho:y}}});\n},{}],2:[function(_dereq_,module,exports){\n\"use strict\";function Point(t,n){this.x=t,this.y=n}module.exports=Point,Point.prototype={clone:function(){return new Point(this.x,this.y)},add:function(t){return this.clone()._add(t)},sub:function(t){return this.clone()._sub(t)},multByPoint:function(t){return this.clone()._multByPoint(t)},divByPoint:function(t){return this.clone()._divByPoint(t)},mult:function(t){return this.clone()._mult(t)},div:function(t){return this.clone()._div(t)},rotate:function(t){return this.clone()._rotate(t)},rotateAround:function(t,n){return this.clone()._rotateAround(t,n)},matMult:function(t){return this.clone()._matMult(t)},unit:function(){return this.clone()._unit()},perp:function(){return this.clone()._perp()},round:function(){return this.clone()._round()},mag:function(){return Math.sqrt(this.x*this.x+this.y*this.y)},equals:function(t){return this.x===t.x&&this.y===t.y},dist:function(t){return Math.sqrt(this.distSqr(t))},distSqr:function(t){var n=t.x-this.x,i=t.y-this.y;return n*n+i*i},angle:function(){return Math.atan2(this.y,this.x)},angleTo:function(t){return Math.atan2(this.y-t.y,this.x-t.x)},angleWith:function(t){return this.angleWithSep(t.x,t.y)},angleWithSep:function(t,n){return Math.atan2(this.x*n-this.y*t,this.x*t+this.y*n)},_matMult:function(t){var n=t[0]*this.x+t[1]*this.y,i=t[2]*this.x+t[3]*this.y;return this.x=n,this.y=i,this},_add:function(t){return this.x+=t.x,this.y+=t.y,this},_sub:function(t){return this.x-=t.x,this.y-=t.y,this},_mult:function(t){return this.x*=t,this.y*=t,this},_div:function(t){return this.x/=t,this.y/=t,this},_multByPoint:function(t){return this.x*=t.x,this.y*=t.y,this},_divByPoint:function(t){return this.x/=t.x,this.y/=t.y,this},_unit:function(){return this._div(this.mag()),this},_perp:function(){var t=this.y;return this.y=this.x,this.x=-t,this},_rotate:function(t){var n=Math.cos(t),i=Math.sin(t),s=n*this.x-i*this.y,r=i*this.x+n*this.y;return this.x=s,this.y=r,this},_rotateAround:function(t,n){var i=Math.cos(t),s=Math.sin(t),r=n.x+i*(this.x-n.x)-s*(this.y-n.y),h=n.y+s*(this.x-n.x)+i*(this.y-n.y);return this.x=r,this.y=h,this},_round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}},Point.convert=function(t){return t instanceof Point?t:Array.isArray(t)?new Point(t[0],t[1]):t};\n},{}],3:[function(_dereq_,module,exports){\n!function(t,e){\"object\"==typeof exports&&\"undefined\"!=typeof module?module.exports=e():\"function\"==typeof define&&define.amd?define(e):t.ShelfPack=e()}(this,function(){function t(t,e,i){i=i||{},this.w=t||64,this.h=e||64,this.autoResize=!!i.autoResize,this.shelves=[],this.freebins=[],this.stats={},this.bins={},this.maxId=0}function e(t,e,i){this.x=0,this.y=t,this.w=this.free=e,this.h=i}function i(t,e,i,s,h,n,r){this.id=t,this.x=e,this.y=i,this.w=s,this.h=h,this.maxw=n||s,this.maxh=r||h,this.refcount=0}return t.prototype.pack=function(t,e){t=[].concat(t),e=e||{};for(var i,s,h,n,r=[],f=0;f<t.length;f++)if(i=t[f].w||t[f].width,s=t[f].h||t[f].height,h=t[f].id,i&&s){if(!(n=this.packOne(i,s,h)))continue;e.inPlace&&(t[f].x=n.x,t[f].y=n.y,t[f].id=n.id),r.push(n)}return this.shrink(),r},t.prototype.packOne=function(t,i,s){var h,n,r,f,o={freebin:-1,shelf:-1,waste:1/0},a=0;if(\"string\"==typeof s||\"number\"==typeof s){if(h=this.getBin(s))return this.ref(h),h;\"number\"==typeof s&&(this.maxId=Math.max(s,this.maxId))}else s=++this.maxId;for(f=0;f<this.freebins.length;f++){if(h=this.freebins[f],i===h.maxh&&t===h.maxw)return this.allocFreebin(f,t,i,s);i>h.maxh||t>h.maxw||i<=h.maxh&&t<=h.maxw&&(r=h.maxw*h.maxh-t*i)<o.waste&&(o.waste=r,o.freebin=f)}for(f=0;f<this.shelves.length;f++)if(n=this.shelves[f],a+=n.h,!(t>n.free)){if(i===n.h)return this.allocShelf(f,t,i,s);i>n.h||i<n.h&&(r=(n.h-i)*t)<o.waste&&(o.freebin=-1,o.waste=r,o.shelf=f)}if(-1!==o.freebin)return this.allocFreebin(o.freebin,t,i,s);if(-1!==o.shelf)return this.allocShelf(o.shelf,t,i,s);if(i<=this.h-a&&t<=this.w)return n=new e(a,this.w,i),this.allocShelf(this.shelves.push(n)-1,t,i,s);if(this.autoResize){var u,l,c,p;return u=l=this.h,c=p=this.w,(c<=u||t>c)&&(p=2*Math.max(t,c)),(u<c||i>u)&&(l=2*Math.max(i,u)),this.resize(p,l),this.packOne(t,i,s)}return null},t.prototype.allocFreebin=function(t,e,i,s){var h=this.freebins.splice(t,1)[0];return h.id=s,h.w=e,h.h=i,h.refcount=0,this.bins[s]=h,this.ref(h),h},t.prototype.allocShelf=function(t,e,i,s){var h=this.shelves[t],n=h.alloc(e,i,s);return this.bins[s]=n,this.ref(n),n},t.prototype.shrink=function(){if(this.shelves.length>0){for(var t=0,e=0,i=0;i<this.shelves.length;i++){var s=this.shelves[i];e+=s.h,t=Math.max(s.w-s.free,t)}this.resize(t,e)}},t.prototype.getBin=function(t){return this.bins[t]},t.prototype.ref=function(t){if(1==++t.refcount){var e=t.h;this.stats[e]=1+(0|this.stats[e])}return t.refcount},t.prototype.unref=function(t){return 0===t.refcount?0:(0==--t.refcount&&(this.stats[t.h]--,delete this.bins[t.id],this.freebins.push(t)),t.refcount)},t.prototype.clear=function(){this.shelves=[],this.freebins=[],this.stats={},this.bins={},this.maxId=0},t.prototype.resize=function(t,e){this.w=t,this.h=e;for(var i=0;i<this.shelves.length;i++)this.shelves[i].resize(t);return!0},e.prototype.alloc=function(t,e,s){if(t>this.free||e>this.h)return null;var h=this.x;return this.x+=t,this.free-=t,new i(s,h,this.y,t,e,t,this.h)},e.prototype.resize=function(t){return this.free+=t-this.w,this.w=t,!0},t});\n},{}],4:[function(_dereq_,module,exports){\n\"use strict\";function TinySDF(t,i,s,e,h,r){this.fontSize=t||24,this.buffer=void 0===i?3:i,this.cutoff=e||.25,this.fontFamily=h||\"sans-serif\",this.fontWeight=r||\"normal\",this.radius=s||8;var a=this.size=this.fontSize+2*this.buffer;this.canvas=document.createElement(\"canvas\"),this.canvas.width=this.canvas.height=a,this.ctx=this.canvas.getContext(\"2d\"),this.ctx.font=this.fontWeight+\" \"+this.fontSize+\"px \"+this.fontFamily,this.ctx.textBaseline=\"middle\",this.ctx.fillStyle=\"black\",this.gridOuter=new Float64Array(a*a),this.gridInner=new Float64Array(a*a),this.f=new Float64Array(a),this.d=new Float64Array(a),this.z=new Float64Array(a+1),this.v=new Int16Array(a),this.middle=Math.round(a/2*(navigator.userAgent.indexOf(\"Gecko/\")>=0?1.2:1))}function edt(t,i,s,e,h,r,a){for(var n=0;n<i;n++){for(var o=0;o<s;o++)e[o]=t[o*i+n];for(edt1d(e,h,r,a,s),o=0;o<s;o++)t[o*i+n]=h[o]}for(o=0;o<s;o++){for(n=0;n<i;n++)e[n]=t[o*i+n];for(edt1d(e,h,r,a,i),n=0;n<i;n++)t[o*i+n]=Math.sqrt(h[n])}}function edt1d(t,i,s,e,h){s[0]=0,e[0]=-INF,e[1]=+INF;for(var r=1,a=0;r<h;r++){for(var n=(t[r]+r*r-(t[s[a]]+s[a]*s[a]))/(2*r-2*s[a]);n<=e[a];)a--,n=(t[r]+r*r-(t[s[a]]+s[a]*s[a]))/(2*r-2*s[a]);a++,s[a]=r,e[a]=n,e[a+1]=+INF}for(r=0,a=0;r<h;r++){for(;e[a+1]<r;)a++;i[r]=(r-s[a])*(r-s[a])+t[s[a]]}}module.exports=TinySDF;var INF=1e20;TinySDF.prototype.draw=function(t){this.ctx.clearRect(0,0,this.size,this.size),this.ctx.fillText(t,this.buffer,this.middle);for(var i=this.ctx.getImageData(0,0,this.size,this.size),s=new Uint8ClampedArray(this.size*this.size),e=0;e<this.size*this.size;e++){var h=i.data[4*e+3]/255;this.gridOuter[e]=1===h?0:0===h?INF:Math.pow(Math.max(0,.5-h),2),this.gridInner[e]=1===h?INF:0===h?0:Math.pow(Math.max(0,h-.5),2)}for(edt(this.gridOuter,this.size,this.size,this.f,this.d,this.v,this.z),edt(this.gridInner,this.size,this.size,this.f,this.d,this.v,this.z),e=0;e<this.size*this.size;e++){var r=this.gridOuter[e]-this.gridInner[e];s[e]=Math.max(0,Math.min(255,Math.round(255-255*(r/this.radius+this.cutoff))))}return s};\n},{}],5:[function(_dereq_,module,exports){\nfunction UnitBezier(t,i,e,r){this.cx=3*t,this.bx=3*(e-t)-this.cx,this.ax=1-this.cx-this.bx,this.cy=3*i,this.by=3*(r-i)-this.cy,this.ay=1-this.cy-this.by,this.p1x=t,this.p1y=r,this.p2x=e,this.p2y=r}module.exports=UnitBezier,UnitBezier.prototype.sampleCurveX=function(t){return((this.ax*t+this.bx)*t+this.cx)*t},UnitBezier.prototype.sampleCurveY=function(t){return((this.ay*t+this.by)*t+this.cy)*t},UnitBezier.prototype.sampleCurveDerivativeX=function(t){return(3*this.ax*t+2*this.bx)*t+this.cx},UnitBezier.prototype.solveCurveX=function(t,i){void 0===i&&(i=1e-6);var e,r,s,h,n;for(s=t,n=0;n<8;n++){if(h=this.sampleCurveX(s)-t,Math.abs(h)<i)return s;var u=this.sampleCurveDerivativeX(s);if(Math.abs(u)<1e-6)break;s-=h/u}if(e=0,r=1,(s=t)<e)return e;if(s>r)return r;for(;e<r;){if(h=this.sampleCurveX(s),Math.abs(h-t)<i)return s;t>h?e=s:r=s,s=.5*(r-e)+e}return s},UnitBezier.prototype.solve=function(t,i){return this.sampleCurveY(this.solveCurveX(t,i))};\n},{}],6:[function(_dereq_,module,exports){\nmodule.exports.VectorTile=_dereq_(\"./lib/vectortile.js\"),module.exports.VectorTileFeature=_dereq_(\"./lib/vectortilefeature.js\"),module.exports.VectorTileLayer=_dereq_(\"./lib/vectortilelayer.js\");\n},{\"./lib/vectortile.js\":7,\"./lib/vectortilefeature.js\":8,\"./lib/vectortilelayer.js\":9}],7:[function(_dereq_,module,exports){\n\"use strict\";function VectorTile(e,r){this.layers=e.readFields(readTile,{},r)}function readTile(e,r,i){if(3===e){var t=new VectorTileLayer(i,i.readVarint()+i.pos);t.length&&(r[t.name]=t)}}var VectorTileLayer=_dereq_(\"./vectortilelayer\");module.exports=VectorTile;\n},{\"./vectortilelayer\":9}],8:[function(_dereq_,module,exports){\n\"use strict\";function VectorTileFeature(e,t,r,a,i){this.properties={},this.extent=r,this.type=0,this._pbf=e,this._geometry=-1,this._keys=a,this._values=i,e.readFields(readFeature,this,t)}function readFeature(e,t,r){1==e?t.id=r.readVarint():2==e?readTag(r,t):3==e?t.type=r.readVarint():4==e&&(t._geometry=r.pos)}function readTag(e,t){for(var r=e.readVarint()+e.pos;e.pos<r;){var a=t._keys[e.readVarint()],i=t._values[e.readVarint()];t.properties[a]=i}}function classifyRings(e){var t=e.length;if(t<=1)return[e];for(var r,a,i=[],o=0;o<t;o++){var n=signedArea(e[o]);0!==n&&(void 0===a&&(a=n<0),a===n<0?(r&&i.push(r),r=[e[o]]):r.push(e[o]))}return r&&i.push(r),i}function signedArea(e){for(var t,r,a=0,i=0,o=e.length,n=o-1;i<o;n=i++)t=e[i],r=e[n],a+=(r.x-t.x)*(t.y+r.y);return a}var Point=_dereq_(\"@mapbox/point-geometry\");module.exports=VectorTileFeature,VectorTileFeature.types=[\"Unknown\",\"Point\",\"LineString\",\"Polygon\"],VectorTileFeature.prototype.loadGeometry=function(){var e=this._pbf;e.pos=this._geometry;for(var t,r=e.readVarint()+e.pos,a=1,i=0,o=0,n=0,s=[];e.pos<r;){if(!i){var p=e.readVarint();a=7&p,i=p>>3}if(i--,1===a||2===a)o+=e.readSVarint(),n+=e.readSVarint(),1===a&&(t&&s.push(t),t=[]),t.push(new Point(o,n));else{if(7!==a)throw new Error(\"unknown command \"+a);t&&t.push(t[0].clone())}}return t&&s.push(t),s},VectorTileFeature.prototype.bbox=function(){var e=this._pbf;e.pos=this._geometry;for(var t=e.readVarint()+e.pos,r=1,a=0,i=0,o=0,n=1/0,s=-1/0,p=1/0,h=-1/0;e.pos<t;){if(!a){var u=e.readVarint();r=7&u,a=u>>3}if(a--,1===r||2===r)i+=e.readSVarint(),o+=e.readSVarint(),i<n&&(n=i),i>s&&(s=i),o<p&&(p=o),o>h&&(h=o);else if(7!==r)throw new Error(\"unknown command \"+r)}return[n,p,s,h]},VectorTileFeature.prototype.toGeoJSON=function(e,t,r){function a(e){for(var t=0;t<e.length;t++){var r=e[t],a=180-360*(r.y+p)/n;e[t]=[360*(r.x+s)/n-180,360/Math.PI*Math.atan(Math.exp(a*Math.PI/180))-90]}}var i,o,n=this.extent*Math.pow(2,r),s=this.extent*e,p=this.extent*t,h=this.loadGeometry(),u=VectorTileFeature.types[this.type];switch(this.type){case 1:var d=[];for(i=0;i<h.length;i++)d[i]=h[i][0];h=d,a(h);break;case 2:for(i=0;i<h.length;i++)a(h[i]);break;case 3:for(h=classifyRings(h),i=0;i<h.length;i++)for(o=0;o<h[i].length;o++)a(h[i][o])}1===h.length?h=h[0]:u=\"Multi\"+u;var f={type:\"Feature\",geometry:{type:u,coordinates:h},properties:this.properties};return\"id\"in this&&(f.id=this.id),f};\n},{\"@mapbox/point-geometry\":2}],9:[function(_dereq_,module,exports){\n\"use strict\";function VectorTileLayer(e,t){this.version=1,this.name=null,this.extent=4096,this.length=0,this._pbf=e,this._keys=[],this._values=[],this._features=[],e.readFields(readLayer,this,t),this.length=this._features.length}function readLayer(e,t,r){15===e?t.version=r.readVarint():1===e?t.name=r.readString():5===e?t.extent=r.readVarint():2===e?t._features.push(r.pos):3===e?t._keys.push(r.readString()):4===e&&t._values.push(readValueMessage(r))}function readValueMessage(e){for(var t=null,r=e.readVarint()+e.pos;e.pos<r;){var a=e.readVarint()>>3;t=1===a?e.readString():2===a?e.readFloat():3===a?e.readDouble():4===a?e.readVarint64():5===a?e.readVarint():6===a?e.readSVarint():7===a?e.readBoolean():null}return t}var VectorTileFeature=_dereq_(\"./vectortilefeature.js\");module.exports=VectorTileLayer,VectorTileLayer.prototype.feature=function(e){if(e<0||e>=this._features.length)throw new Error(\"feature index out of bounds\");this._pbf.pos=this._features[e];var t=this._pbf.readVarint()+this._pbf.pos;return new VectorTileFeature(this._pbf,t,this.extent,this._keys,this._values)};\n},{\"./vectortilefeature.js\":8}],10:[function(_dereq_,module,exports){\n!function(e,t){\"object\"==typeof exports&&\"undefined\"!=typeof module?t(exports):\"function\"==typeof define&&define.amd?define([\"exports\"],t):t(e.WhooTS=e.WhooTS||{})}(this,function(e){function t(e,t,r,n,i,s){return s=s||{},e+\"?\"+[\"bbox=\"+o(r,n,i),\"format=\"+(s.format||\"image/png\"),\"service=\"+(s.service||\"WMS\"),\"version=\"+(s.version||\"1.1.1\"),\"request=\"+(s.request||\"GetMap\"),\"srs=\"+(s.srs||\"EPSG:3857\"),\"width=\"+(s.width||256),\"height=\"+(s.height||256),\"layers=\"+t].join(\"&\")}function o(e,t,o){t=Math.pow(2,o)-t-1;var n=r(256*e,256*t,o),i=r(256*(e+1),256*(t+1),o);return n[0]+\",\"+n[1]+\",\"+i[0]+\",\"+i[1]}function r(e,t,o){var r=2*Math.PI*6378137/256/Math.pow(2,o);return[e*r-2*Math.PI*6378137/2,t*r-2*Math.PI*6378137/2]}e.getURL=t,e.getTileBBox=o,e.getMercCoords=r,Object.defineProperty(e,\"__esModule\",{value:!0})});\n},{}],11:[function(_dereq_,module,exports){\n\"use strict\";function earcut(e,n,r){r=r||2;var t=n&&n.length,i=t?n[0]*r:e.length,x=linkedList(e,0,i,r,!0),a=[];if(!x)return a;var o,l,u,s,v,f,y;if(t&&(x=eliminateHoles(e,n,x,r)),e.length>80*r){o=u=e[0],l=s=e[1];for(var d=r;d<i;d+=r)v=e[d],f=e[d+1],v<o&&(o=v),f<l&&(l=f),v>u&&(u=v),f>s&&(s=f);y=Math.max(u-o,s-l)}return earcutLinked(x,a,r,o,l,y),a}function linkedList(e,n,r,t,i){var x,a;if(i===signedArea(e,n,r,t)>0)for(x=n;x<r;x+=t)a=insertNode(x,e[x],e[x+1],a);else for(x=r-t;x>=n;x-=t)a=insertNode(x,e[x],e[x+1],a);return a&&equals(a,a.next)&&(removeNode(a),a=a.next),a}function filterPoints(e,n){if(!e)return e;n||(n=e);var r,t=e;do{if(r=!1,t.steiner||!equals(t,t.next)&&0!==area(t.prev,t,t.next))t=t.next;else{if(removeNode(t),(t=n=t.prev)===t.next)return null;r=!0}}while(r||t!==n);return n}function earcutLinked(e,n,r,t,i,x,a){if(e){!a&&x&&indexCurve(e,t,i,x);for(var o,l,u=e;e.prev!==e.next;)if(o=e.prev,l=e.next,x?isEarHashed(e,t,i,x):isEar(e))n.push(o.i/r),n.push(e.i/r),n.push(l.i/r),removeNode(e),e=l.next,u=l.next;else if((e=l)===u){a?1===a?(e=cureLocalIntersections(e,n,r),earcutLinked(e,n,r,t,i,x,2)):2===a&&splitEarcut(e,n,r,t,i,x):earcutLinked(filterPoints(e),n,r,t,i,x,1);break}}}function isEar(e){var n=e.prev,r=e,t=e.next;if(area(n,r,t)>=0)return!1;for(var i=e.next.next;i!==e.prev;){if(pointInTriangle(n.x,n.y,r.x,r.y,t.x,t.y,i.x,i.y)&&area(i.prev,i,i.next)>=0)return!1;i=i.next}return!0}function isEarHashed(e,n,r,t){var i=e.prev,x=e,a=e.next;if(area(i,x,a)>=0)return!1;for(var o=i.x<x.x?i.x<a.x?i.x:a.x:x.x<a.x?x.x:a.x,l=i.y<x.y?i.y<a.y?i.y:a.y:x.y<a.y?x.y:a.y,u=i.x>x.x?i.x>a.x?i.x:a.x:x.x>a.x?x.x:a.x,s=i.y>x.y?i.y>a.y?i.y:a.y:x.y>a.y?x.y:a.y,v=zOrder(o,l,n,r,t),f=zOrder(u,s,n,r,t),y=e.nextZ;y&&y.z<=f;){if(y!==e.prev&&y!==e.next&&pointInTriangle(i.x,i.y,x.x,x.y,a.x,a.y,y.x,y.y)&&area(y.prev,y,y.next)>=0)return!1;y=y.nextZ}for(y=e.prevZ;y&&y.z>=v;){if(y!==e.prev&&y!==e.next&&pointInTriangle(i.x,i.y,x.x,x.y,a.x,a.y,y.x,y.y)&&area(y.prev,y,y.next)>=0)return!1;y=y.prevZ}return!0}function cureLocalIntersections(e,n,r){var t=e;do{var i=t.prev,x=t.next.next;!equals(i,x)&&intersects(i,t,t.next,x)&&locallyInside(i,x)&&locallyInside(x,i)&&(n.push(i.i/r),n.push(t.i/r),n.push(x.i/r),removeNode(t),removeNode(t.next),t=e=x),t=t.next}while(t!==e);return t}function splitEarcut(e,n,r,t,i,x){var a=e;do{for(var o=a.next.next;o!==a.prev;){if(a.i!==o.i&&isValidDiagonal(a,o)){var l=splitPolygon(a,o);return a=filterPoints(a,a.next),l=filterPoints(l,l.next),earcutLinked(a,n,r,t,i,x),void earcutLinked(l,n,r,t,i,x)}o=o.next}a=a.next}while(a!==e)}function eliminateHoles(e,n,r,t){var i,x,a,o,l,u=[];for(i=0,x=n.length;i<x;i++)a=n[i]*t,o=i<x-1?n[i+1]*t:e.length,l=linkedList(e,a,o,t,!1),l===l.next&&(l.steiner=!0),u.push(getLeftmost(l));for(u.sort(compareX),i=0;i<u.length;i++)eliminateHole(u[i],r),r=filterPoints(r,r.next);return r}function compareX(e,n){return e.x-n.x}function eliminateHole(e,n){if(n=findHoleBridge(e,n)){var r=splitPolygon(n,e);filterPoints(r,r.next)}}function findHoleBridge(e,n){var r,t=n,i=e.x,x=e.y,a=-1/0;do{if(x<=t.y&&x>=t.next.y){var o=t.x+(x-t.y)*(t.next.x-t.x)/(t.next.y-t.y);if(o<=i&&o>a){if(a=o,o===i){if(x===t.y)return t;if(x===t.next.y)return t.next}r=t.x<t.next.x?t:t.next}}t=t.next}while(t!==n);if(!r)return null;if(i===a)return r.prev;var l,u=r,s=r.x,v=r.y,f=1/0;for(t=r.next;t!==u;)i>=t.x&&t.x>=s&&pointInTriangle(x<v?i:a,x,s,v,x<v?a:i,x,t.x,t.y)&&((l=Math.abs(x-t.y)/(i-t.x))<f||l===f&&t.x>r.x)&&locallyInside(t,e)&&(r=t,f=l),t=t.next;return r}function indexCurve(e,n,r,t){var i=e;do{null===i.z&&(i.z=zOrder(i.x,i.y,n,r,t)),i.prevZ=i.prev,i.nextZ=i.next,i=i.next}while(i!==e);i.prevZ.nextZ=null,i.prevZ=null,sortLinked(i)}function sortLinked(e){var n,r,t,i,x,a,o,l,u=1;do{for(r=e,e=null,x=null,a=0;r;){for(a++,t=r,o=0,n=0;n<u&&(o++,t=t.nextZ);n++);for(l=u;o>0||l>0&&t;)0===o?(i=t,t=t.nextZ,l--):0!==l&&t?r.z<=t.z?(i=r,r=r.nextZ,o--):(i=t,t=t.nextZ,l--):(i=r,r=r.nextZ,o--),x?x.nextZ=i:e=i,i.prevZ=x,x=i;r=t}x.nextZ=null,u*=2}while(a>1);return e}function zOrder(e,n,r,t,i){return e=32767*(e-r)/i,n=32767*(n-t)/i,e=16711935&(e|e<<8),e=252645135&(e|e<<4),e=858993459&(e|e<<2),e=1431655765&(e|e<<1),n=16711935&(n|n<<8),n=252645135&(n|n<<4),n=858993459&(n|n<<2),n=1431655765&(n|n<<1),e|n<<1}function getLeftmost(e){var n=e,r=e;do{n.x<r.x&&(r=n),n=n.next}while(n!==e);return r}function pointInTriangle(e,n,r,t,i,x,a,o){return(i-a)*(n-o)-(e-a)*(x-o)>=0&&(e-a)*(t-o)-(r-a)*(n-o)>=0&&(r-a)*(x-o)-(i-a)*(t-o)>=0}function isValidDiagonal(e,n){return e.next.i!==n.i&&e.prev.i!==n.i&&!intersectsPolygon(e,n)&&locallyInside(e,n)&&locallyInside(n,e)&&middleInside(e,n)}function area(e,n,r){return(n.y-e.y)*(r.x-n.x)-(n.x-e.x)*(r.y-n.y)}function equals(e,n){return e.x===n.x&&e.y===n.y}function intersects(e,n,r,t){return!!(equals(e,n)&&equals(r,t)||equals(e,t)&&equals(r,n))||area(e,n,r)>0!=area(e,n,t)>0&&area(r,t,e)>0!=area(r,t,n)>0}function intersectsPolygon(e,n){var r=e;do{if(r.i!==e.i&&r.next.i!==e.i&&r.i!==n.i&&r.next.i!==n.i&&intersects(r,r.next,e,n))return!0;r=r.next}while(r!==e);return!1}function locallyInside(e,n){return area(e.prev,e,e.next)<0?area(e,n,e.next)>=0&&area(e,e.prev,n)>=0:area(e,n,e.prev)<0||area(e,e.next,n)<0}function middleInside(e,n){var r=e,t=!1,i=(e.x+n.x)/2,x=(e.y+n.y)/2;do{r.y>x!=r.next.y>x&&i<(r.next.x-r.x)*(x-r.y)/(r.next.y-r.y)+r.x&&(t=!t),r=r.next}while(r!==e);return t}function splitPolygon(e,n){var r=new Node(e.i,e.x,e.y),t=new Node(n.i,n.x,n.y),i=e.next,x=n.prev;return e.next=n,n.prev=e,r.next=i,i.prev=r,t.next=r,r.prev=t,x.next=t,t.prev=x,t}function insertNode(e,n,r,t){var i=new Node(e,n,r);return t?(i.next=t.next,i.prev=t,t.next.prev=i,t.next=i):(i.prev=i,i.next=i),i}function removeNode(e){e.next.prev=e.prev,e.prev.next=e.next,e.prevZ&&(e.prevZ.nextZ=e.nextZ),e.nextZ&&(e.nextZ.prevZ=e.prevZ)}function Node(e,n,r){this.i=e,this.x=n,this.y=r,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}function signedArea(e,n,r,t){for(var i=0,x=n,a=r-t;x<r;x+=t)i+=(e[a]-e[x])*(e[x+1]+e[a+1]),a=x;return i}module.exports=earcut,earcut.deviation=function(e,n,r,t){var i=n&&n.length,x=i?n[0]*r:e.length,a=Math.abs(signedArea(e,0,x,r));if(i)for(var o=0,l=n.length;o<l;o++){var u=n[o]*r,s=o<l-1?n[o+1]*r:e.length;a-=Math.abs(signedArea(e,u,s,r))}var v=0;for(o=0;o<t.length;o+=3){var f=t[o]*r,y=t[o+1]*r,d=t[o+2]*r;v+=Math.abs((e[f]-e[d])*(e[y+1]-e[f+1])-(e[f]-e[y])*(e[d+1]-e[f+1]))}return 0===a&&0===v?0:Math.abs((v-a)/a)},earcut.flatten=function(e){for(var n=e[0][0].length,r={vertices:[],holes:[],dimensions:n},t=0,i=0;i<e.length;i++){for(var x=0;x<e[i].length;x++)for(var a=0;a<n;a++)r.vertices.push(e[i][x][a]);i>0&&(t+=e[i-1].length,r.holes.push(t))}return r};\n},{}],12:[function(_dereq_,module,exports){\nfunction geometry(r){if(\"Polygon\"===r.type)return polygonArea(r.coordinates);if(\"MultiPolygon\"===r.type){for(var e=0,n=0;n<r.coordinates.length;n++)e+=polygonArea(r.coordinates[n]);return e}return null}function polygonArea(r){var e=0;if(r&&r.length>0){e+=Math.abs(ringArea(r[0]));for(var n=1;n<r.length;n++)e-=Math.abs(ringArea(r[n]))}return e}function ringArea(r){var e=0;if(r.length>2){for(var n,t,o=0;o<r.length-1;o++)n=r[o],t=r[o+1],e+=rad(t[0]-n[0])*(2+Math.sin(rad(n[1]))+Math.sin(rad(t[1])));e=e*wgs84.RADIUS*wgs84.RADIUS/2}return e}function rad(r){return r*Math.PI/180}var wgs84=_dereq_(\"wgs84\");module.exports.geometry=geometry,module.exports.ring=ringArea;\n},{\"wgs84\":40}],13:[function(_dereq_,module,exports){\nfunction rewind(r,e){switch(r&&r.type||null){case\"FeatureCollection\":return r.features=r.features.map(curryOuter(rewind,e)),r;case\"Feature\":return r.geometry=rewind(r.geometry,e),r;case\"Polygon\":case\"MultiPolygon\":return correct(r,e);default:return r}}function curryOuter(r,e){return function(n){return r(n,e)}}function correct(r,e){return\"Polygon\"===r.type?r.coordinates=correctRings(r.coordinates,e):\"MultiPolygon\"===r.type&&(r.coordinates=r.coordinates.map(curryOuter(correctRings,e))),r}function correctRings(r,e){e=!!e,r[0]=wind(r[0],e);for(var n=1;n<r.length;n++)r[n]=wind(r[n],!e);return r}function wind(r,e){return cw(r)===e?r:r.reverse()}function cw(r){return geojsonArea.ring(r)>=0}var geojsonArea=_dereq_(\"geojson-area\");module.exports=rewind;\n},{\"geojson-area\":12}],14:[function(_dereq_,module,exports){\n\"use strict\";function clip(e,r,t,n,u,i,l,s){if(t/=r,n/=r,l>=t&&s<=n)return e;if(l>n||s<t)return null;for(var h=[],p=0;p<e.length;p++){var a,c,o=e[p],f=o.geometry,g=o.type;if(a=o.min[u],c=o.max[u],a>=t&&c<=n)h.push(o);else if(!(a>n||c<t)){var v=1===g?clipPoints(f,t,n,u):clipGeometry(f,t,n,u,i,3===g);v.length&&h.push(createFeature(o.tags,g,v,o.id))}}return h.length?h:null}function clipPoints(e,r,t,n){for(var u=[],i=0;i<e.length;i++){var l=e[i],s=l[n];s>=r&&s<=t&&u.push(l)}return u}function clipGeometry(e,r,t,n,u,i){for(var l=[],s=0;s<e.length;s++){var h,p,a,c=0,o=0,f=null,g=e[s],v=g.area,m=g.dist,w=g.outer,S=g.length,d=[];for(p=0;p<S-1;p++)h=f||g[p],f=g[p+1],c=o||h[n],o=f[n],c<r?o>t?(d.push(u(h,f,r),u(h,f,t)),i||(d=newSlice(l,d,v,m,w))):o>=r&&d.push(u(h,f,r)):c>t?o<r?(d.push(u(h,f,t),u(h,f,r)),i||(d=newSlice(l,d,v,m,w))):o<=t&&d.push(u(h,f,t)):(d.push(h),o<r?(d.push(u(h,f,r)),i||(d=newSlice(l,d,v,m,w))):o>t&&(d.push(u(h,f,t)),i||(d=newSlice(l,d,v,m,w))));h=g[S-1],c=h[n],c>=r&&c<=t&&d.push(h),a=d[d.length-1],i&&a&&(d[0][0]!==a[0]||d[0][1]!==a[1])&&d.push(d[0]),newSlice(l,d,v,m,w)}return l}function newSlice(e,r,t,n,u){return r.length&&(r.area=t,r.dist=n,void 0!==u&&(r.outer=u),e.push(r)),[]}module.exports=clip;var createFeature=_dereq_(\"./feature\");\n},{\"./feature\":16}],15:[function(_dereq_,module,exports){\n\"use strict\";function convert(e,t){var r=[];if(\"FeatureCollection\"===e.type)for(var o=0;o<e.features.length;o++)convertFeature(r,e.features[o],t);else\"Feature\"===e.type?convertFeature(r,e,t):convertFeature(r,{geometry:e},t);return r}function convertFeature(e,t,r){if(null!==t.geometry){var o,a,i,n,u=t.geometry,c=u.type,l=u.coordinates,s=t.properties,p=t.id;if(\"Point\"===c)e.push(createFeature(s,1,[projectPoint(l)],p));else if(\"MultiPoint\"===c)e.push(createFeature(s,1,project(l),p));else if(\"LineString\"===c)e.push(createFeature(s,2,[project(l,r)],p));else if(\"MultiLineString\"===c||\"Polygon\"===c){for(i=[],o=0;o<l.length;o++)n=project(l[o],r),\"Polygon\"===c&&(n.outer=0===o),i.push(n);e.push(createFeature(s,\"Polygon\"===c?3:2,i,p))}else if(\"MultiPolygon\"===c){for(i=[],o=0;o<l.length;o++)for(a=0;a<l[o].length;a++)n=project(l[o][a],r),n.outer=0===a,i.push(n);e.push(createFeature(s,3,i,p))}else{if(\"GeometryCollection\"!==c)throw new Error(\"Input data is not a valid GeoJSON object.\");for(o=0;o<u.geometries.length;o++)convertFeature(e,{geometry:u.geometries[o],properties:s},r)}}}function project(e,t){for(var r=[],o=0;o<e.length;o++)r.push(projectPoint(e[o]));return t&&(simplify(r,t),calcSize(r)),r}function projectPoint(e){var t=Math.sin(e[1]*Math.PI/180),r=e[0]/360+.5,o=.5-.25*Math.log((1+t)/(1-t))/Math.PI;return o=o<0?0:o>1?1:o,[r,o,0]}function calcSize(e){for(var t,r,o=0,a=0,i=0;i<e.length-1;i++)t=r||e[i],r=e[i+1],o+=t[0]*r[1]-r[0]*t[1],a+=Math.abs(r[0]-t[0])+Math.abs(r[1]-t[1]);e.area=Math.abs(o/2),e.dist=a}module.exports=convert;var simplify=_dereq_(\"./simplify\"),createFeature=_dereq_(\"./feature\");\n},{\"./feature\":16,\"./simplify\":18}],16:[function(_dereq_,module,exports){\n\"use strict\";function createFeature(e,t,a,n){var r={id:n||null,type:t,geometry:a,tags:e||null,min:[1/0,1/0],max:[-1/0,-1/0]};return calcBBox(r),r}function calcBBox(e){var t=e.geometry,a=e.min,n=e.max;if(1===e.type)calcRingBBox(a,n,t);else for(var r=0;r<t.length;r++)calcRingBBox(a,n,t[r]);return e}function calcRingBBox(e,t,a){for(var n,r=0;r<a.length;r++)n=a[r],e[0]=Math.min(n[0],e[0]),t[0]=Math.max(n[0],t[0]),e[1]=Math.min(n[1],e[1]),t[1]=Math.max(n[1],t[1])}module.exports=createFeature;\n},{}],17:[function(_dereq_,module,exports){\n\"use strict\";function geojsonvt(e,t){return new GeoJSONVT(e,t)}function GeoJSONVT(e,t){t=this.options=extend(Object.create(this.options),t);var i=t.debug;i&&console.time(\"preprocess data\");var o=1<<t.maxZoom,n=convert(e,t.tolerance/(o*t.extent));this.tiles={},this.tileCoords=[],i&&(console.timeEnd(\"preprocess data\"),console.log(\"index: maxZoom: %d, maxPoints: %d\",t.indexMaxZoom,t.indexMaxPoints),console.time(\"generate tiles\"),this.stats={},this.total=0),n=wrap(n,t.buffer/t.extent,intersectX),n.length&&this.splitTile(n,0,0,0),i&&(n.length&&console.log(\"features: %d, points: %d\",this.tiles[0].numFeatures,this.tiles[0].numPoints),console.timeEnd(\"generate tiles\"),console.log(\"tiles generated:\",this.total,JSON.stringify(this.stats)))}function toID(e,t,i){return 32*((1<<e)*i+t)+e}function intersectX(e,t,i){return[i,(i-e[0])*(t[1]-e[1])/(t[0]-e[0])+e[1],1]}function intersectY(e,t,i){return[(i-e[1])*(t[0]-e[0])/(t[1]-e[1])+e[0],i,1]}function extend(e,t){for(var i in t)e[i]=t[i];return e}function isClippedSquare(e,t,i){var o=e.source;if(1!==o.length)return!1;var n=o[0];if(3!==n.type||n.geometry.length>1)return!1;var r=n.geometry[0].length;if(5!==r)return!1;for(var s=0;s<r;s++){var l=transform.point(n.geometry[0][s],t,e.z2,e.x,e.y);if(l[0]!==-i&&l[0]!==t+i||l[1]!==-i&&l[1]!==t+i)return!1}return!0}module.exports=geojsonvt;var convert=_dereq_(\"./convert\"),transform=_dereq_(\"./transform\"),clip=_dereq_(\"./clip\"),wrap=_dereq_(\"./wrap\"),createTile=_dereq_(\"./tile\");GeoJSONVT.prototype.options={maxZoom:14,indexMaxZoom:5,indexMaxPoints:1e5,solidChildren:!1,tolerance:3,extent:4096,buffer:64,debug:0},GeoJSONVT.prototype.splitTile=function(e,t,i,o,n,r,s){for(var l=[e,t,i,o],a=this.options,u=a.debug,c=null;l.length;){o=l.pop(),i=l.pop(),t=l.pop(),e=l.pop();var p=1<<t,d=toID(t,i,o),m=this.tiles[d],f=t===a.maxZoom?0:a.tolerance/(p*a.extent);if(!m&&(u>1&&console.time(\"creation\"),m=this.tiles[d]=createTile(e,p,i,o,f,t===a.maxZoom),this.tileCoords.push({z:t,x:i,y:o}),u)){u>1&&(console.log(\"tile z%d-%d-%d (features: %d, points: %d, simplified: %d)\",t,i,o,m.numFeatures,m.numPoints,m.numSimplified),console.timeEnd(\"creation\"));var h=\"z\"+t;this.stats[h]=(this.stats[h]||0)+1,this.total++}if(m.source=e,n){if(t===a.maxZoom||t===n)continue;var x=1<<n-t;if(i!==Math.floor(r/x)||o!==Math.floor(s/x))continue}else if(t===a.indexMaxZoom||m.numPoints<=a.indexMaxPoints)continue;if(a.solidChildren||!isClippedSquare(m,a.extent,a.buffer)){m.source=null,u>1&&console.time(\"clipping\");var g,v,M,T,b,y,S=.5*a.buffer/a.extent,Z=.5-S,q=.5+S,w=1+S;g=v=M=T=null,b=clip(e,p,i-S,i+q,0,intersectX,m.min[0],m.max[0]),y=clip(e,p,i+Z,i+w,0,intersectX,m.min[0],m.max[0]),b&&(g=clip(b,p,o-S,o+q,1,intersectY,m.min[1],m.max[1]),v=clip(b,p,o+Z,o+w,1,intersectY,m.min[1],m.max[1])),y&&(M=clip(y,p,o-S,o+q,1,intersectY,m.min[1],m.max[1]),T=clip(y,p,o+Z,o+w,1,intersectY,m.min[1],m.max[1])),u>1&&console.timeEnd(\"clipping\"),e.length&&(l.push(g||[],t+1,2*i,2*o),l.push(v||[],t+1,2*i,2*o+1),l.push(M||[],t+1,2*i+1,2*o),l.push(T||[],t+1,2*i+1,2*o+1))}else n&&(c=t)}return c},GeoJSONVT.prototype.getTile=function(e,t,i){var o=this.options,n=o.extent,r=o.debug,s=1<<e;t=(t%s+s)%s;var l=toID(e,t,i);if(this.tiles[l])return transform.tile(this.tiles[l],n);r>1&&console.log(\"drilling down to z%d-%d-%d\",e,t,i);for(var a,u=e,c=t,p=i;!a&&u>0;)u--,c=Math.floor(c/2),p=Math.floor(p/2),a=this.tiles[toID(u,c,p)];if(!a||!a.source)return null;if(r>1&&console.log(\"found parent tile z%d-%d-%d\",u,c,p),isClippedSquare(a,n,o.buffer))return transform.tile(a,n);r>1&&console.time(\"drilling down\");var d=this.splitTile(a.source,u,c,p,e,t,i);if(r>1&&console.timeEnd(\"drilling down\"),null!==d){var m=1<<e-d;l=toID(d,Math.floor(t/m),Math.floor(i/m))}return this.tiles[l]?transform.tile(this.tiles[l],n):null};\n},{\"./clip\":14,\"./convert\":15,\"./tile\":19,\"./transform\":20,\"./wrap\":21}],18:[function(_dereq_,module,exports){\n\"use strict\";function simplify(t,i){var e,p,r,s,o=i*i,f=t.length,u=0,n=f-1,g=[];for(t[u][2]=1,t[n][2]=1;n;){for(p=0,e=u+1;e<n;e++)(r=getSqSegDist(t[e],t[u],t[n]))>p&&(s=e,p=r);p>o?(t[s][2]=p,g.push(u),g.push(s),u=s):(n=g.pop(),u=g.pop())}}function getSqSegDist(t,i,e){var p=i[0],r=i[1],s=e[0],o=e[1],f=t[0],u=t[1],n=s-p,g=o-r;if(0!==n||0!==g){var l=((f-p)*n+(u-r)*g)/(n*n+g*g);l>1?(p=s,r=o):l>0&&(p+=n*l,r+=g*l)}return n=f-p,g=u-r,n*n+g*g}module.exports=simplify;\n},{}],19:[function(_dereq_,module,exports){\n\"use strict\";function createTile(e,n,r,i,t,u){for(var a={features:[],numPoints:0,numSimplified:0,numFeatures:0,source:null,x:r,y:i,z2:n,transformed:!1,min:[2,1],max:[-1,0]},m=0;m<e.length;m++){a.numFeatures++,addFeature(a,e[m],t,u);var s=e[m].min,l=e[m].max;s[0]<a.min[0]&&(a.min[0]=s[0]),s[1]<a.min[1]&&(a.min[1]=s[1]),l[0]>a.max[0]&&(a.max[0]=l[0]),l[1]>a.max[1]&&(a.max[1]=l[1])}return a}function addFeature(e,n,r,i){var t,u,a,m,s=n.geometry,l=n.type,o=[],f=r*r;if(1===l)for(t=0;t<s.length;t++)o.push(s[t]),e.numPoints++,e.numSimplified++;else for(t=0;t<s.length;t++)if(a=s[t],i||!(2===l&&a.dist<r||3===l&&a.area<f)){var d=[];for(u=0;u<a.length;u++)m=a[u],(i||m[2]>f)&&(d.push(m),e.numSimplified++),e.numPoints++;3===l&&rewind(d,a.outer),o.push(d)}else e.numPoints+=a.length;if(o.length){var g={geometry:o,type:l,tags:n.tags||null};null!==n.id&&(g.id=n.id),e.features.push(g)}}function rewind(e,n){signedArea(e)<0===n&&e.reverse()}function signedArea(e){for(var n,r,i=0,t=0,u=e.length,a=u-1;t<u;a=t++)n=e[t],r=e[a],i+=(r[0]-n[0])*(n[1]+r[1]);return i}module.exports=createTile;\n},{}],20:[function(_dereq_,module,exports){\n\"use strict\";function transformTile(r,t){if(r.transformed)return r;var n,e,o,f=r.z2,a=r.x,s=r.y;for(n=0;n<r.features.length;n++){var i=r.features[n],u=i.geometry;if(1===i.type)for(e=0;e<u.length;e++)u[e]=transformPoint(u[e],t,f,a,s);else for(e=0;e<u.length;e++){var m=u[e];for(o=0;o<m.length;o++)m[o]=transformPoint(m[o],t,f,a,s)}}return r.transformed=!0,r}function transformPoint(r,t,n,e,o){return[Math.round(t*(r[0]*n-e)),Math.round(t*(r[1]*n-o))]}exports.tile=transformTile,exports.point=transformPoint;\n},{}],21:[function(_dereq_,module,exports){\n\"use strict\";function wrap(r,e,t){var o=r,a=clip(r,1,-1-e,e,0,t,-1,2),s=clip(r,1,1-e,2+e,0,t,-1,2);return(a||s)&&(o=clip(r,1,-e,1+e,0,t,-1,2)||[],a&&(o=shiftFeatureCoords(a,1).concat(o)),s&&(o=o.concat(shiftFeatureCoords(s,-1)))),o}function shiftFeatureCoords(r,e){for(var t=[],o=0;o<r.length;o++){var a,s=r[o],i=s.type;if(1===i)a=shiftCoords(s.geometry,e);else{a=[];for(var u=0;u<s.geometry.length;u++)a.push(shiftCoords(s.geometry[u],e))}t.push(createFeature(s.tags,i,a,s.id))}return t}function shiftCoords(r,e){var t=[];t.area=r.area,t.dist=r.dist;for(var o=0;o<r.length;o++)t.push([r[o][0]+e,r[o][1],r[o][2]]);return t}var clip=_dereq_(\"./clip\"),createFeature=_dereq_(\"./feature\");module.exports=wrap;\n},{\"./clip\":14,\"./feature\":16}],22:[function(_dereq_,module,exports){\n\"use strict\";function GridIndex(t,r,e){var s=this.cells=[];if(t instanceof ArrayBuffer){this.arrayBuffer=t;var i=new Int32Array(this.arrayBuffer);t=i[0],r=i[1],e=i[2],this.d=r+2*e;for(var h=0;h<this.d*this.d;h++){var n=i[NUM_PARAMS+h],o=i[NUM_PARAMS+h+1];s.push(n===o?null:i.subarray(n,o))}var l=i[NUM_PARAMS+s.length],a=i[NUM_PARAMS+s.length+1];this.keys=i.subarray(l,a),this.bboxes=i.subarray(a),this.insert=this._insertReadonly}else{this.d=r+2*e;for(var d=0;d<this.d*this.d;d++)s.push([]);this.keys=[],this.bboxes=[]}this.n=r,this.extent=t,this.padding=e,this.scale=r/t,this.uid=0;var f=e/r*t;this.min=-f,this.max=t+f}module.exports=GridIndex;var NUM_PARAMS=3;GridIndex.prototype.insert=function(t,r,e,s,i){this._forEachCell(r,e,s,i,this._insertCell,this.uid++),this.keys.push(t),this.bboxes.push(r),this.bboxes.push(e),this.bboxes.push(s),this.bboxes.push(i)},GridIndex.prototype._insertReadonly=function(){throw\"Cannot insert into a GridIndex created from an ArrayBuffer.\"},GridIndex.prototype._insertCell=function(t,r,e,s,i,h){this.cells[i].push(h)},GridIndex.prototype.query=function(t,r,e,s){var i=this.min,h=this.max;if(t<=i&&r<=i&&h<=e&&h<=s)return Array.prototype.slice.call(this.keys);var n=[],o={};return this._forEachCell(t,r,e,s,this._queryCell,n,o),n},GridIndex.prototype._queryCell=function(t,r,e,s,i,h,n){var o=this.cells[i];if(null!==o)for(var l=this.keys,a=this.bboxes,d=0;d<o.length;d++){var f=o[d];if(void 0===n[f]){var u=4*f;t<=a[u+2]&&r<=a[u+3]&&e>=a[u+0]&&s>=a[u+1]?(n[f]=!0,h.push(l[f])):n[f]=!1}}},GridIndex.prototype._forEachCell=function(t,r,e,s,i,h,n){for(var o=this._convertToCellCoord(t),l=this._convertToCellCoord(r),a=this._convertToCellCoord(e),d=this._convertToCellCoord(s),f=o;f<=a;f++)for(var u=l;u<=d;u++){var y=this.d*u+f;if(i.call(this,t,r,e,s,y,h,n))return}},GridIndex.prototype._convertToCellCoord=function(t){return Math.max(0,Math.min(this.d-1,Math.floor(t*this.scale)+this.padding))},GridIndex.prototype.toArrayBuffer=function(){if(this.arrayBuffer)return this.arrayBuffer;for(var t=this.cells,r=NUM_PARAMS+this.cells.length+1+1,e=0,s=0;s<this.cells.length;s++)e+=this.cells[s].length;var i=new Int32Array(r+e+this.keys.length+this.bboxes.length);i[0]=this.extent,i[1]=this.n,i[2]=this.padding;for(var h=r,n=0;n<t.length;n++){var o=t[n];i[NUM_PARAMS+n]=h,i.set(o,h),h+=o.length}return i[NUM_PARAMS+t.length]=h,i.set(this.keys,h),h+=this.keys.length,i[NUM_PARAMS+t.length+1]=h,i.set(this.bboxes,h),h+=this.bboxes.length,i.buffer};\n},{}],23:[function(_dereq_,module,exports){\nexports.read=function(a,o,t,r,h){var M,p,w=8*h-r-1,f=(1<<w)-1,e=f>>1,i=-7,N=t?h-1:0,n=t?-1:1,s=a[o+N];for(N+=n,M=s&(1<<-i)-1,s>>=-i,i+=w;i>0;M=256*M+a[o+N],N+=n,i-=8);for(p=M&(1<<-i)-1,M>>=-i,i+=r;i>0;p=256*p+a[o+N],N+=n,i-=8);if(0===M)M=1-e;else{if(M===f)return p?NaN:1/0*(s?-1:1);p+=Math.pow(2,r),M-=e}return(s?-1:1)*p*Math.pow(2,M-r)},exports.write=function(a,o,t,r,h,M){var p,w,f,e=8*M-h-1,i=(1<<e)-1,N=i>>1,n=23===h?Math.pow(2,-24)-Math.pow(2,-77):0,s=r?0:M-1,u=r?1:-1,l=o<0||0===o&&1/o<0?1:0;for(o=Math.abs(o),isNaN(o)||o===1/0?(w=isNaN(o)?1:0,p=i):(p=Math.floor(Math.log(o)/Math.LN2),o*(f=Math.pow(2,-p))<1&&(p--,f*=2),o+=p+N>=1?n/f:n*Math.pow(2,1-N),o*f>=2&&(p++,f/=2),p+N>=i?(w=0,p=i):p+N>=1?(w=(o*f-1)*Math.pow(2,h),p+=N):(w=o*Math.pow(2,N-1)*Math.pow(2,h),p=0));h>=8;a[t+s]=255&w,s+=u,w/=256,h-=8);for(p=p<<h|w,e+=h;e>0;a[t+s]=255&p,s+=u,p/=256,e-=8);a[t+s-u]|=128*l};\n},{}],24:[function(_dereq_,module,exports){\n\"use strict\";function kdbush(t,i,e,s,n){return new KDBush(t,i,e,s,n)}function KDBush(t,i,e,s,n){i=i||defaultGetX,e=e||defaultGetY,n=n||Array,this.nodeSize=s||64,this.points=t,this.ids=new n(t.length),this.coords=new n(2*t.length);for(var r=0;r<t.length;r++)this.ids[r]=r,this.coords[2*r]=i(t[r]),this.coords[2*r+1]=e(t[r]);sort(this.ids,this.coords,this.nodeSize,0,this.ids.length-1,0)}function defaultGetX(t){return t[0]}function defaultGetY(t){return t[1]}var sort=_dereq_(\"./sort\"),range=_dereq_(\"./range\"),within=_dereq_(\"./within\");module.exports=kdbush,KDBush.prototype={range:function(t,i,e,s){return range(this.ids,this.coords,t,i,e,s,this.nodeSize)},within:function(t,i,e){return within(this.ids,this.coords,t,i,e,this.nodeSize)}};\n},{\"./range\":25,\"./sort\":26,\"./within\":27}],25:[function(_dereq_,module,exports){\n\"use strict\";function range(p,r,s,u,h,e,o){for(var a,t,n=[0,p.length-1,0],f=[];n.length;){var l=n.pop(),v=n.pop(),g=n.pop();if(v-g<=o)for(var i=g;i<=v;i++)a=r[2*i],t=r[2*i+1],a>=s&&a<=h&&t>=u&&t<=e&&f.push(p[i]);else{var c=Math.floor((g+v)/2);a=r[2*c],t=r[2*c+1],a>=s&&a<=h&&t>=u&&t<=e&&f.push(p[c]);var d=(l+1)%2;(0===l?s<=a:u<=t)&&(n.push(g),n.push(c-1),n.push(d)),(0===l?h>=a:e>=t)&&(n.push(c+1),n.push(v),n.push(d))}}return f}module.exports=range;\n},{}],26:[function(_dereq_,module,exports){\n\"use strict\";function sortKD(t,a,o,s,r,e){if(!(r-s<=o)){var f=Math.floor((s+r)/2);select(t,a,f,s,r,e%2),sortKD(t,a,o,s,f-1,e+1),sortKD(t,a,o,f+1,r,e+1)}}function select(t,a,o,s,r,e){for(;r>s;){if(r-s>600){var f=r-s+1,p=o-s+1,w=Math.log(f),m=.5*Math.exp(2*w/3),n=.5*Math.sqrt(w*m*(f-m)/f)*(p-f/2<0?-1:1);select(t,a,o,Math.max(s,Math.floor(o-p*m/f+n)),Math.min(r,Math.floor(o+(f-p)*m/f+n)),e)}var c=a[2*o+e],h=s,i=r;for(swapItem(t,a,s,o),a[2*r+e]>c&&swapItem(t,a,s,r);h<i;){for(swapItem(t,a,h,i),h++,i--;a[2*h+e]<c;)h++;for(;a[2*i+e]>c;)i--}a[2*s+e]===c?swapItem(t,a,s,i):(i++,swapItem(t,a,i,r)),i<=o&&(s=i+1),o<=i&&(r=i-1)}}function swapItem(t,a,o,s){swap(t,o,s),swap(a,2*o,2*s),swap(a,2*o+1,2*s+1)}function swap(t,a,o){var s=t[a];t[a]=t[o],t[o]=s}module.exports=sortKD;\n},{}],27:[function(_dereq_,module,exports){\n\"use strict\";function within(s,p,r,t,u,h){for(var i=[0,s.length-1,0],o=[],n=u*u;i.length;){var e=i.pop(),a=i.pop(),f=i.pop();if(a-f<=h)for(var v=f;v<=a;v++)sqDist(p[2*v],p[2*v+1],r,t)<=n&&o.push(s[v]);else{var l=Math.floor((f+a)/2),c=p[2*l],q=p[2*l+1];sqDist(c,q,r,t)<=n&&o.push(s[l]);var D=(e+1)%2;(0===e?r-u<=c:t-u<=q)&&(i.push(f),i.push(l-1),i.push(D)),(0===e?r+u>=c:t+u>=q)&&(i.push(l+1),i.push(a),i.push(D))}}return o}function sqDist(s,p,r,t){var u=s-r,h=p-t;return u*u+h*h}module.exports=within;\n},{}],28:[function(_dereq_,module,exports){\n\"use strict\";function isSupported(e){return!!(isBrowser()&&isArraySupported()&&isFunctionSupported()&&isObjectSupported()&&isJSONSupported()&&isWorkerSupported()&&isUint8ClampedArraySupported()&&isWebGLSupportedCached(e&&e.failIfMajorPerformanceCaveat))}function isBrowser(){return\"undefined\"!=typeof window&&\"undefined\"!=typeof document}function isArraySupported(){return Array.prototype&&Array.prototype.every&&Array.prototype.filter&&Array.prototype.forEach&&Array.prototype.indexOf&&Array.prototype.lastIndexOf&&Array.prototype.map&&Array.prototype.some&&Array.prototype.reduce&&Array.prototype.reduceRight&&Array.isArray}function isFunctionSupported(){return Function.prototype&&Function.prototype.bind}function isObjectSupported(){return Object.keys&&Object.create&&Object.getPrototypeOf&&Object.getOwnPropertyNames&&Object.isSealed&&Object.isFrozen&&Object.isExtensible&&Object.getOwnPropertyDescriptor&&Object.defineProperty&&Object.defineProperties&&Object.seal&&Object.freeze&&Object.preventExtensions}function isJSONSupported(){return\"JSON\"in window&&\"parse\"in JSON&&\"stringify\"in JSON}function isWorkerSupported(){return\"Worker\"in window}function isUint8ClampedArraySupported(){return\"Uint8ClampedArray\"in window}function isWebGLSupportedCached(e){return void 0===isWebGLSupportedCache[e]&&(isWebGLSupportedCache[e]=isWebGLSupported(e)),isWebGLSupportedCache[e]}function isWebGLSupported(e){var t=document.createElement(\"canvas\"),r=Object.create(isSupported.webGLContextAttributes);return r.failIfMajorPerformanceCaveat=e,t.probablySupportsContext?t.probablySupportsContext(\"webgl\",r)||t.probablySupportsContext(\"experimental-webgl\",r):t.supportsContext?t.supportsContext(\"webgl\",r)||t.supportsContext(\"experimental-webgl\",r):t.getContext(\"webgl\",r)||t.getContext(\"experimental-webgl\",r)}\"undefined\"!=typeof module&&module.exports?module.exports=isSupported:window&&(window.mapboxgl=window.mapboxgl||{},window.mapboxgl.supported=isSupported);var isWebGLSupportedCache={};isSupported.webGLContextAttributes={antialias:!1,alpha:!0,stencil:!0,depth:!0};\n},{}],29:[function(_dereq_,module,exports){\n\"use strict\";function Pbf(t){this.buf=ArrayBuffer.isView&&ArrayBuffer.isView(t)?t:new Uint8Array(t||0),this.pos=0,this.type=0,this.length=this.buf.length}function readVarintRemainder(t,i,e){var r,s,n=e.buf;if(s=n[e.pos++],r=(112&s)>>4,s<128)return toNum(t,r,i);if(s=n[e.pos++],r|=(127&s)<<3,s<128)return toNum(t,r,i);if(s=n[e.pos++],r|=(127&s)<<10,s<128)return toNum(t,r,i);if(s=n[e.pos++],r|=(127&s)<<17,s<128)return toNum(t,r,i);if(s=n[e.pos++],r|=(127&s)<<24,s<128)return toNum(t,r,i);if(s=n[e.pos++],r|=(1&s)<<31,s<128)return toNum(t,r,i);throw new Error(\"Expected varint not more than 10 bytes\")}function readPackedEnd(t){return t.type===Pbf.Bytes?t.readVarint()+t.pos:t.pos+1}function toNum(t,i,e){return e?4294967296*i+(t>>>0):4294967296*(i>>>0)+(t>>>0)}function writeBigVarint(t,i){var e,r;if(t>=0?(e=t%4294967296|0,r=t/4294967296|0):(e=~(-t%4294967296),r=~(-t/4294967296),4294967295^e?e=e+1|0:(e=0,r=r+1|0)),t>=0x10000000000000000||t<-0x10000000000000000)throw new Error(\"Given varint doesn't fit into 10 bytes\");i.realloc(10),writeBigVarintLow(e,r,i),writeBigVarintHigh(r,i)}function writeBigVarintLow(t,i,e){e.buf[e.pos++]=127&t|128,t>>>=7,e.buf[e.pos++]=127&t|128,t>>>=7,e.buf[e.pos++]=127&t|128,t>>>=7,e.buf[e.pos++]=127&t|128,t>>>=7,e.buf[e.pos]=127&t}function writeBigVarintHigh(t,i){var e=(7&t)<<4;i.buf[i.pos++]|=e|((t>>>=3)?128:0),t&&(i.buf[i.pos++]=127&t|((t>>>=7)?128:0),t&&(i.buf[i.pos++]=127&t|((t>>>=7)?128:0),t&&(i.buf[i.pos++]=127&t|((t>>>=7)?128:0),t&&(i.buf[i.pos++]=127&t|((t>>>=7)?128:0),t&&(i.buf[i.pos++]=127&t)))))}function makeRoomForExtraLength(t,i,e){var r=i<=16383?1:i<=2097151?2:i<=268435455?3:Math.ceil(Math.log(i)/(7*Math.LN2));e.realloc(r);for(var s=e.pos-1;s>=t;s--)e.buf[s+r]=e.buf[s]}function writePackedVarint(t,i){for(var e=0;e<t.length;e++)i.writeVarint(t[e])}function writePackedSVarint(t,i){for(var e=0;e<t.length;e++)i.writeSVarint(t[e])}function writePackedFloat(t,i){for(var e=0;e<t.length;e++)i.writeFloat(t[e])}function writePackedDouble(t,i){for(var e=0;e<t.length;e++)i.writeDouble(t[e])}function writePackedBoolean(t,i){for(var e=0;e<t.length;e++)i.writeBoolean(t[e])}function writePackedFixed32(t,i){for(var e=0;e<t.length;e++)i.writeFixed32(t[e])}function writePackedSFixed32(t,i){for(var e=0;e<t.length;e++)i.writeSFixed32(t[e])}function writePackedFixed64(t,i){for(var e=0;e<t.length;e++)i.writeFixed64(t[e])}function writePackedSFixed64(t,i){for(var e=0;e<t.length;e++)i.writeSFixed64(t[e])}function readUInt32(t,i){return(t[i]|t[i+1]<<8|t[i+2]<<16)+16777216*t[i+3]}function writeInt32(t,i,e){t[e]=i,t[e+1]=i>>>8,t[e+2]=i>>>16,t[e+3]=i>>>24}function readInt32(t,i){return(t[i]|t[i+1]<<8|t[i+2]<<16)+(t[i+3]<<24)}function readUtf8(t,i,e){for(var r=\"\",s=i;s<e;){var n=t[s],o=null,a=n>239?4:n>223?3:n>191?2:1;if(s+a>e)break;var h,u,f;1===a?n<128&&(o=n):2===a?128==(192&(h=t[s+1]))&&(o=(31&n)<<6|63&h)<=127&&(o=null):3===a?(h=t[s+1],u=t[s+2],128==(192&h)&&128==(192&u)&&((o=(15&n)<<12|(63&h)<<6|63&u)<=2047||o>=55296&&o<=57343)&&(o=null)):4===a&&(h=t[s+1],u=t[s+2],f=t[s+3],128==(192&h)&&128==(192&u)&&128==(192&f)&&((o=(15&n)<<18|(63&h)<<12|(63&u)<<6|63&f)<=65535||o>=1114112)&&(o=null)),null===o?(o=65533,a=1):o>65535&&(o-=65536,r+=String.fromCharCode(o>>>10&1023|55296),o=56320|1023&o),r+=String.fromCharCode(o),s+=a}return r}function writeUtf8(t,i,e){for(var r,s,n=0;n<i.length;n++){if((r=i.charCodeAt(n))>55295&&r<57344){if(!s){r>56319||n+1===i.length?(t[e++]=239,t[e++]=191,t[e++]=189):s=r;continue}if(r<56320){t[e++]=239,t[e++]=191,t[e++]=189,s=r;continue}r=s-55296<<10|r-56320|65536,s=null}else s&&(t[e++]=239,t[e++]=191,t[e++]=189,s=null);r<128?t[e++]=r:(r<2048?t[e++]=r>>6|192:(r<65536?t[e++]=r>>12|224:(t[e++]=r>>18|240,t[e++]=r>>12&63|128),t[e++]=r>>6&63|128),t[e++]=63&r|128)}return e}module.exports=Pbf;var ieee754=_dereq_(\"ieee754\");Pbf.Varint=0,Pbf.Fixed64=1,Pbf.Bytes=2,Pbf.Fixed32=5;var SHIFT_LEFT_32=4294967296,SHIFT_RIGHT_32=1/SHIFT_LEFT_32;Pbf.prototype={destroy:function(){this.buf=null},readFields:function(t,i,e){for(e=e||this.length;this.pos<e;){var r=this.readVarint(),s=r>>3,n=this.pos;this.type=7&r,t(s,i,this),this.pos===n&&this.skip(r)}return i},readMessage:function(t,i){return this.readFields(t,i,this.readVarint()+this.pos)},readFixed32:function(){var t=readUInt32(this.buf,this.pos);return this.pos+=4,t},readSFixed32:function(){var t=readInt32(this.buf,this.pos);return this.pos+=4,t},readFixed64:function(){var t=readUInt32(this.buf,this.pos)+readUInt32(this.buf,this.pos+4)*SHIFT_LEFT_32;return this.pos+=8,t},readSFixed64:function(){var t=readUInt32(this.buf,this.pos)+readInt32(this.buf,this.pos+4)*SHIFT_LEFT_32;return this.pos+=8,t},readFloat:function(){var t=ieee754.read(this.buf,this.pos,!0,23,4);return this.pos+=4,t},readDouble:function(){var t=ieee754.read(this.buf,this.pos,!0,52,8);return this.pos+=8,t},readVarint:function(t){var i,e,r=this.buf;return e=r[this.pos++],i=127&e,e<128?i:(e=r[this.pos++],i|=(127&e)<<7,e<128?i:(e=r[this.pos++],i|=(127&e)<<14,e<128?i:(e=r[this.pos++],i|=(127&e)<<21,e<128?i:(e=r[this.pos],i|=(15&e)<<28,readVarintRemainder(i,t,this)))))},readVarint64:function(){return this.readVarint(!0)},readSVarint:function(){var t=this.readVarint();return t%2==1?(t+1)/-2:t/2},readBoolean:function(){return Boolean(this.readVarint())},readString:function(){var t=this.readVarint()+this.pos,i=readUtf8(this.buf,this.pos,t);return this.pos=t,i},readBytes:function(){var t=this.readVarint()+this.pos,i=this.buf.subarray(this.pos,t);return this.pos=t,i},readPackedVarint:function(t,i){var e=readPackedEnd(this);for(t=t||[];this.pos<e;)t.push(this.readVarint(i));return t},readPackedSVarint:function(t){var i=readPackedEnd(this);for(t=t||[];this.pos<i;)t.push(this.readSVarint());return t},readPackedBoolean:function(t){var i=readPackedEnd(this);for(t=t||[];this.pos<i;)t.push(this.readBoolean());return t},readPackedFloat:function(t){var i=readPackedEnd(this);for(t=t||[];this.pos<i;)t.push(this.readFloat());return t},readPackedDouble:function(t){var i=readPackedEnd(this);for(t=t||[];this.pos<i;)t.push(this.readDouble());return t},readPackedFixed32:function(t){var i=readPackedEnd(this);for(t=t||[];this.pos<i;)t.push(this.readFixed32());return t},readPackedSFixed32:function(t){var i=readPackedEnd(this);for(t=t||[];this.pos<i;)t.push(this.readSFixed32());return t},readPackedFixed64:function(t){var i=readPackedEnd(this);for(t=t||[];this.pos<i;)t.push(this.readFixed64());return t},readPackedSFixed64:function(t){var i=readPackedEnd(this);for(t=t||[];this.pos<i;)t.push(this.readSFixed64());return t},skip:function(t){var i=7&t;if(i===Pbf.Varint)for(;this.buf[this.pos++]>127;);else if(i===Pbf.Bytes)this.pos=this.readVarint()+this.pos;else if(i===Pbf.Fixed32)this.pos+=4;else{if(i!==Pbf.Fixed64)throw new Error(\"Unimplemented type: \"+i);this.pos+=8}},writeTag:function(t,i){this.writeVarint(t<<3|i)},realloc:function(t){for(var i=this.length||16;i<this.pos+t;)i*=2;if(i!==this.length){var e=new Uint8Array(i);e.set(this.buf),this.buf=e,this.length=i}},finish:function(){return this.length=this.pos,this.pos=0,this.buf.subarray(0,this.length)},writeFixed32:function(t){this.realloc(4),writeInt32(this.buf,t,this.pos),this.pos+=4},writeSFixed32:function(t){this.realloc(4),writeInt32(this.buf,t,this.pos),this.pos+=4},writeFixed64:function(t){this.realloc(8),writeInt32(this.buf,-1&t,this.pos),writeInt32(this.buf,Math.floor(t*SHIFT_RIGHT_32),this.pos+4),this.pos+=8},writeSFixed64:function(t){this.realloc(8),writeInt32(this.buf,-1&t,this.pos),writeInt32(this.buf,Math.floor(t*SHIFT_RIGHT_32),this.pos+4),this.pos+=8},writeVarint:function(t){if((t=+t||0)>268435455||t<0)return void writeBigVarint(t,this);this.realloc(4),this.buf[this.pos++]=127&t|(t>127?128:0),t<=127||(this.buf[this.pos++]=127&(t>>>=7)|(t>127?128:0),t<=127||(this.buf[this.pos++]=127&(t>>>=7)|(t>127?128:0),t<=127||(this.buf[this.pos++]=t>>>7&127)))},writeSVarint:function(t){this.writeVarint(t<0?2*-t-1:2*t)},writeBoolean:function(t){this.writeVarint(Boolean(t))},writeString:function(t){t=String(t),this.realloc(4*t.length),this.pos++;var i=this.pos;this.pos=writeUtf8(this.buf,t,this.pos);var e=this.pos-i;e>=128&&makeRoomForExtraLength(i,e,this),this.pos=i-1,this.writeVarint(e),this.pos+=e},writeFloat:function(t){this.realloc(4),ieee754.write(this.buf,t,this.pos,!0,23,4),this.pos+=4},writeDouble:function(t){this.realloc(8),ieee754.write(this.buf,t,this.pos,!0,52,8),this.pos+=8},writeBytes:function(t){var i=t.length;this.writeVarint(i),this.realloc(i);for(var e=0;e<i;e++)this.buf[this.pos++]=t[e]},writeRawMessage:function(t,i){this.pos++;var e=this.pos;t(i,this);var r=this.pos-e;r>=128&&makeRoomForExtraLength(e,r,this),this.pos=e-1,this.writeVarint(r),this.pos+=r},writeMessage:function(t,i,e){this.writeTag(t,Pbf.Bytes),this.writeRawMessage(i,e)},writePackedVarint:function(t,i){this.writeMessage(t,writePackedVarint,i)},writePackedSVarint:function(t,i){this.writeMessage(t,writePackedSVarint,i)},writePackedBoolean:function(t,i){this.writeMessage(t,writePackedBoolean,i)},writePackedFloat:function(t,i){this.writeMessage(t,writePackedFloat,i)},writePackedDouble:function(t,i){this.writeMessage(t,writePackedDouble,i)},writePackedFixed32:function(t,i){this.writeMessage(t,writePackedFixed32,i)},writePackedSFixed32:function(t,i){this.writeMessage(t,writePackedSFixed32,i)},writePackedFixed64:function(t,i){this.writeMessage(t,writePackedFixed64,i)},writePackedSFixed64:function(t,i){this.writeMessage(t,writePackedSFixed64,i)},writeBytesField:function(t,i){this.writeTag(t,Pbf.Bytes),this.writeBytes(i)},writeFixed32Field:function(t,i){this.writeTag(t,Pbf.Fixed32),this.writeFixed32(i)},writeSFixed32Field:function(t,i){this.writeTag(t,Pbf.Fixed32),this.writeSFixed32(i)},writeFixed64Field:function(t,i){this.writeTag(t,Pbf.Fixed64),this.writeFixed64(i)},writeSFixed64Field:function(t,i){this.writeTag(t,Pbf.Fixed64),this.writeSFixed64(i)},writeVarintField:function(t,i){this.writeTag(t,Pbf.Varint),this.writeVarint(i)},writeSVarintField:function(t,i){this.writeTag(t,Pbf.Varint),this.writeSVarint(i)},writeStringField:function(t,i){this.writeTag(t,Pbf.Bytes),this.writeString(i)},writeFloatField:function(t,i){this.writeTag(t,Pbf.Fixed32),this.writeFloat(i)},writeDoubleField:function(t,i){this.writeTag(t,Pbf.Fixed64),this.writeDouble(i)},writeBooleanField:function(t,i){this.writeVarintField(t,Boolean(i))}};\n},{\"ieee754\":23}],30:[function(_dereq_,module,exports){\nfunction defaultSetTimout(){throw new Error(\"setTimeout has not been defined\")}function defaultClearTimeout(){throw new Error(\"clearTimeout has not been defined\")}function runTimeout(e){if(cachedSetTimeout===setTimeout)return setTimeout(e,0);if((cachedSetTimeout===defaultSetTimout||!cachedSetTimeout)&&setTimeout)return cachedSetTimeout=setTimeout,setTimeout(e,0);try{return cachedSetTimeout(e,0)}catch(t){try{return cachedSetTimeout.call(null,e,0)}catch(t){return cachedSetTimeout.call(this,e,0)}}}function runClearTimeout(e){if(cachedClearTimeout===clearTimeout)return clearTimeout(e);if((cachedClearTimeout===defaultClearTimeout||!cachedClearTimeout)&&clearTimeout)return cachedClearTimeout=clearTimeout,clearTimeout(e);try{return cachedClearTimeout(e)}catch(t){try{return cachedClearTimeout.call(null,e)}catch(t){return cachedClearTimeout.call(this,e)}}}function cleanUpNextTick(){draining&&currentQueue&&(draining=!1,currentQueue.length?queue=currentQueue.concat(queue):queueIndex=-1,queue.length&&drainQueue())}function drainQueue(){if(!draining){var e=runTimeout(cleanUpNextTick);draining=!0;for(var t=queue.length;t;){for(currentQueue=queue,queue=[];++queueIndex<t;)currentQueue&&currentQueue[queueIndex].run();queueIndex=-1,t=queue.length}currentQueue=null,draining=!1,runClearTimeout(e)}}function Item(e,t){this.fun=e,this.array=t}function noop(){}var process=module.exports={},cachedSetTimeout,cachedClearTimeout;!function(){try{cachedSetTimeout=\"function\"==typeof setTimeout?setTimeout:defaultSetTimout}catch(e){cachedSetTimeout=defaultSetTimout}try{cachedClearTimeout=\"function\"==typeof clearTimeout?clearTimeout:defaultClearTimeout}catch(e){cachedClearTimeout=defaultClearTimeout}}();var queue=[],draining=!1,currentQueue,queueIndex=-1;process.nextTick=function(e){var t=new Array(arguments.length-1);if(arguments.length>1)for(var r=1;r<arguments.length;r++)t[r-1]=arguments[r];queue.push(new Item(e,t)),1!==queue.length||draining||runTimeout(drainQueue)},Item.prototype.run=function(){this.fun.apply(null,this.array)},process.title=\"browser\",process.browser=!0,process.env={},process.argv=[],process.version=\"\",process.versions={},process.on=noop,process.addListener=noop,process.once=noop,process.off=noop,process.removeListener=noop,process.removeAllListeners=noop,process.emit=noop,process.prependListener=noop,process.prependOnceListener=noop,process.listeners=function(e){return[]},process.binding=function(e){throw new Error(\"process.binding is not supported\")},process.cwd=function(){return\"/\"},process.chdir=function(e){throw new Error(\"process.chdir is not supported\")},process.umask=function(){return 0};\n},{}],31:[function(_dereq_,module,exports){\n\"use strict\";function partialSort(a,t,r,o,p){for(r=r||0,o=o||a.length-1,p=p||defaultCompare;o>r;){if(o-r>600){var f=o-r+1,e=t-r+1,l=Math.log(f),s=.5*Math.exp(2*l/3),i=.5*Math.sqrt(l*s*(f-s)/f)*(e-f/2<0?-1:1);partialSort(a,t,Math.max(r,Math.floor(t-e*s/f+i)),Math.min(o,Math.floor(t+(f-e)*s/f+i)),p)}var n=a[t],h=r,u=o;for(swap(a,r,t),p(a[o],n)>0&&swap(a,r,o);h<u;){for(swap(a,h,u),h++,u--;p(a[h],n)<0;)h++;for(;p(a[u],n)>0;)u--}0===p(a[r],n)?swap(a,r,u):(u++,swap(a,u,o)),u<=t&&(r=u+1),t<=u&&(o=u-1)}}function swap(a,t,r){var o=a[t];a[t]=a[r],a[r]=o}function defaultCompare(a,t){return a<t?-1:a>t?1:0}module.exports=partialSort;\n},{}],32:[function(_dereq_,module,exports){\n\"use strict\";function supercluster(t){return new SuperCluster(t)}function SuperCluster(t){this.options=extend(Object.create(this.options),t),this.trees=new Array(this.options.maxZoom+1)}function createCluster(t,e,n,o,i){return{x:t,y:e,zoom:1/0,id:o,properties:i,parentId:-1,numPoints:n}}function createPointCluster(t,e){var n=t.geometry.coordinates;return{x:lngX(n[0]),y:latY(n[1]),zoom:1/0,id:e,parentId:-1}}function getClusterJSON(t){return{type:\"Feature\",properties:getClusterProperties(t),geometry:{type:\"Point\",coordinates:[xLng(t.x),yLat(t.y)]}}}function getClusterProperties(t){var e=t.numPoints,n=e>=1e4?Math.round(e/1e3)+\"k\":e>=1e3?Math.round(e/100)/10+\"k\":e;return extend(extend({},t.properties),{cluster:!0,cluster_id:t.id,point_count:e,point_count_abbreviated:n})}function lngX(t){return t/360+.5}function latY(t){var e=Math.sin(t*Math.PI/180),n=.5-.25*Math.log((1+e)/(1-e))/Math.PI;return n<0?0:n>1?1:n}function xLng(t){return 360*(t-.5)}function yLat(t){var e=(180-360*t)*Math.PI/180;return 360*Math.atan(Math.exp(e))/Math.PI-90}function extend(t,e){for(var n in e)t[n]=e[n];return t}function getX(t){return t.x}function getY(t){return t.y}var kdbush=_dereq_(\"kdbush\");module.exports=supercluster,SuperCluster.prototype={options:{minZoom:0,maxZoom:16,radius:40,extent:512,nodeSize:64,log:!1,reduce:null,initial:function(){return{}},map:function(t){return t}},load:function(t){var e=this.options.log;e&&console.time(\"total time\");var n=\"prepare \"+t.length+\" points\";e&&console.time(n),this.points=t;var o=t.map(createPointCluster);e&&console.timeEnd(n);for(var i=this.options.maxZoom;i>=this.options.minZoom;i--){var r=+Date.now();this.trees[i+1]=kdbush(o,getX,getY,this.options.nodeSize,Float32Array),o=this._cluster(o,i),e&&console.log(\"z%d: %d clusters in %dms\",i,o.length,+Date.now()-r)}return this.trees[this.options.minZoom]=kdbush(o,getX,getY,this.options.nodeSize,Float32Array),e&&console.timeEnd(\"total time\"),this},getClusters:function(t,e){for(var n=this.trees[this._limitZoom(e)],o=n.range(lngX(t[0]),latY(t[3]),lngX(t[2]),latY(t[1])),i=[],r=0;r<o.length;r++){var s=n.points[o[r]];i.push(s.numPoints?getClusterJSON(s):this.points[s.id])}return i},getChildren:function(t,e){for(var n=this.trees[e+1].points[t],o=this.options.radius/(this.options.extent*Math.pow(2,e)),i=this.trees[e+1].within(n.x,n.y,o),r=[],s=0;s<i.length;s++){var u=this.trees[e+1].points[i[s]];u.parentId===t&&r.push(u.numPoints?getClusterJSON(u):this.points[u.id])}return r},getLeaves:function(t,e,n,o){n=n||10,o=o||0;var i=[];return this._appendLeaves(i,t,e,n,o,0),i},getTile:function(t,e,n){var o=this.trees[this._limitZoom(t)],i=Math.pow(2,t),r=this.options.extent,s=this.options.radius,u=s/r,a=(n-u)/i,p=(n+1+u)/i,h={features:[]};return this._addTileFeatures(o.range((e-u)/i,a,(e+1+u)/i,p),o.points,e,n,i,h),0===e&&this._addTileFeatures(o.range(1-u/i,a,1,p),o.points,i,n,i,h),e===i-1&&this._addTileFeatures(o.range(0,a,u/i,p),o.points,-1,n,i,h),h.features.length?h:null},getClusterExpansionZoom:function(t,e){for(;e<this.options.maxZoom;){var n=this.getChildren(t,e);if(e++,1!==n.length)break;t=n[0].properties.cluster_id}return e},_appendLeaves:function(t,e,n,o,i,r){for(var s=this.getChildren(e,n),u=0;u<s.length;u++){var a=s[u].properties;if(a.cluster?r+a.point_count<=i?r+=a.point_count:r=this._appendLeaves(t,a.cluster_id,n+1,o,i,r):r<i?r++:t.push(s[u]),t.length===o)break}return r},_addTileFeatures:function(t,e,n,o,i,r){for(var s=0;s<t.length;s++){var u=e[t[s]];r.features.push({type:1,geometry:[[Math.round(this.options.extent*(u.x*i-n)),Math.round(this.options.extent*(u.y*i-o))]],tags:u.numPoints?getClusterProperties(u):this.points[u.id].properties})}},_limitZoom:function(t){return Math.max(this.options.minZoom,Math.min(t,this.options.maxZoom+1))},_cluster:function(t,e){for(var n=[],o=this.options.radius/(this.options.extent*Math.pow(2,e)),i=0;i<t.length;i++){var r=t[i];if(!(r.zoom<=e)){r.zoom=e;var s=this.trees[e+1],u=s.within(r.x,r.y,o),a=r.numPoints||1,p=r.x*a,h=r.y*a,l=null;this.options.reduce&&(l=this.options.initial(),this._accumulate(l,r));for(var c=0;c<u.length;c++){var d=s.points[u[c]];if(e<d.zoom){var m=d.numPoints||1;d.zoom=e,p+=d.x*m,h+=d.y*m,a+=m,d.parentId=i,this.options.reduce&&this._accumulate(l,d)}}1===a?n.push(r):(r.parentId=i,n.push(createCluster(p/a,h/a,a,i,l)))}}return n},_accumulate:function(t,e){var n=e.numPoints?e.properties:this.options.map(this.points[e.id].properties);this.options.reduce(t,n)}};\n},{\"kdbush\":24}],33:[function(_dereq_,module,exports){\n\"use strict\";function TinyQueue(t,i){if(!(this instanceof TinyQueue))return new TinyQueue(t,i);if(this.data=t||[],this.length=this.data.length,this.compare=i||defaultCompare,this.length>0)for(var e=this.length>>1;e>=0;e--)this._down(e)}function defaultCompare(t,i){return t<i?-1:t>i?1:0}module.exports=TinyQueue,TinyQueue.prototype={push:function(t){this.data.push(t),this.length++,this._up(this.length-1)},pop:function(){if(0!==this.length){var t=this.data[0];return this.length--,this.length>0&&(this.data[0]=this.data[this.length],this._down(0)),this.data.pop(),t}},peek:function(){return this.data[0]},_up:function(t){for(var i=this.data,e=this.compare,h=i[t];t>0;){var n=t-1>>1,a=i[n];if(e(h,a)>=0)break;i[t]=a,t=n}i[t]=h},_down:function(t){for(var i=this.data,e=this.compare,h=this.length,n=h>>1,a=i[t];t<n;){var s=1+(t<<1),u=s+1,r=i[s];if(u<h&&e(i[u],r)<0&&(s=u,r=i[u]),e(r,a)>=0)break;i[t]=r,t=s}i[t]=a}};\n},{}],34:[function(_dereq_,module,exports){\n\"function\"==typeof Object.create?module.exports=function(t,e){t.super_=e,t.prototype=Object.create(e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}})}:module.exports=function(t,e){t.super_=e;var o=function(){};o.prototype=e.prototype,t.prototype=new o,t.prototype.constructor=t};\n},{}],35:[function(_dereq_,module,exports){\nmodule.exports=function(o){return o&&\"object\"==typeof o&&\"function\"==typeof o.copy&&\"function\"==typeof o.fill&&\"function\"==typeof o.readUInt8};\n},{}],36:[function(_dereq_,module,exports){\n(function (process,global){\nfunction inspect(e,r){var t={seen:[],stylize:stylizeNoColor};return arguments.length>=3&&(t.depth=arguments[2]),arguments.length>=4&&(t.colors=arguments[3]),isBoolean(r)?t.showHidden=r:r&&exports._extend(t,r),isUndefined(t.showHidden)&&(t.showHidden=!1),isUndefined(t.depth)&&(t.depth=2),isUndefined(t.colors)&&(t.colors=!1),isUndefined(t.customInspect)&&(t.customInspect=!0),t.colors&&(t.stylize=stylizeWithColor),formatValue(t,e,t.depth)}function stylizeWithColor(e,r){var t=inspect.styles[r];return t?\"\u001b[\"+inspect.colors[t][0]+\"m\"+e+\"\u001b[\"+inspect.colors[t][1]+\"m\":e}function stylizeNoColor(e,r){return e}function arrayToHash(e){var r={};return e.forEach(function(e,t){r[e]=!0}),r}function formatValue(e,r,t){if(e.customInspect&&r&&isFunction(r.inspect)&&r.inspect!==exports.inspect&&(!r.constructor||r.constructor.prototype!==r)){var n=r.inspect(t,e);return isString(n)||(n=formatValue(e,n,t)),n}var i=formatPrimitive(e,r);if(i)return i;var o=Object.keys(r),s=arrayToHash(o);if(e.showHidden&&(o=Object.getOwnPropertyNames(r)),isError(r)&&(o.indexOf(\"message\")>=0||o.indexOf(\"description\")>=0))return formatError(r);if(0===o.length){if(isFunction(r)){var u=r.name?\": \"+r.name:\"\";return e.stylize(\"[Function\"+u+\"]\",\"special\")}if(isRegExp(r))return e.stylize(RegExp.prototype.toString.call(r),\"regexp\");if(isDate(r))return e.stylize(Date.prototype.toString.call(r),\"date\");if(isError(r))return formatError(r)}var c=\"\",a=!1,l=[\"{\",\"}\"];if(isArray(r)&&(a=!0,l=[\"[\",\"]\"]),isFunction(r)){c=\" [Function\"+(r.name?\": \"+r.name:\"\")+\"]\"}if(isRegExp(r)&&(c=\" \"+RegExp.prototype.toString.call(r)),isDate(r)&&(c=\" \"+Date.prototype.toUTCString.call(r)),isError(r)&&(c=\" \"+formatError(r)),0===o.length&&(!a||0==r.length))return l[0]+c+l[1];if(t<0)return isRegExp(r)?e.stylize(RegExp.prototype.toString.call(r),\"regexp\"):e.stylize(\"[Object]\",\"special\");e.seen.push(r);var p;return p=a?formatArray(e,r,t,s,o):o.map(function(n){return formatProperty(e,r,t,s,n,a)}),e.seen.pop(),reduceToSingleString(p,c,l)}function formatPrimitive(e,r){if(isUndefined(r))return e.stylize(\"undefined\",\"undefined\");if(isString(r)){var t=\"'\"+JSON.stringify(r).replace(/^\"|\"$/g,\"\").replace(/'/g,\"\\\\'\").replace(/\\\\\"/g,'\"')+\"'\";return e.stylize(t,\"string\")}return isNumber(r)?e.stylize(\"\"+r,\"number\"):isBoolean(r)?e.stylize(\"\"+r,\"boolean\"):isNull(r)?e.stylize(\"null\",\"null\"):void 0}function formatError(e){return\"[\"+Error.prototype.toString.call(e)+\"]\"}function formatArray(e,r,t,n,i){for(var o=[],s=0,u=r.length;s<u;++s)hasOwnProperty(r,String(s))?o.push(formatProperty(e,r,t,n,String(s),!0)):o.push(\"\");return i.forEach(function(i){i.match(/^\\d+$/)||o.push(formatProperty(e,r,t,n,i,!0))}),o}function formatProperty(e,r,t,n,i,o){var s,u,c;if(c=Object.getOwnPropertyDescriptor(r,i)||{value:r[i]},c.get?u=c.set?e.stylize(\"[Getter/Setter]\",\"special\"):e.stylize(\"[Getter]\",\"special\"):c.set&&(u=e.stylize(\"[Setter]\",\"special\")),hasOwnProperty(n,i)||(s=\"[\"+i+\"]\"),u||(e.seen.indexOf(c.value)<0?(u=isNull(t)?formatValue(e,c.value,null):formatValue(e,c.value,t-1),u.indexOf(\"\\n\")>-1&&(u=o?u.split(\"\\n\").map(function(e){return\"  \"+e}).join(\"\\n\").substr(2):\"\\n\"+u.split(\"\\n\").map(function(e){return\"   \"+e}).join(\"\\n\"))):u=e.stylize(\"[Circular]\",\"special\")),isUndefined(s)){if(o&&i.match(/^\\d+$/))return u;s=JSON.stringify(\"\"+i),s.match(/^\"([a-zA-Z_][a-zA-Z_0-9]*)\"$/)?(s=s.substr(1,s.length-2),s=e.stylize(s,\"name\")):(s=s.replace(/'/g,\"\\\\'\").replace(/\\\\\"/g,'\"').replace(/(^\"|\"$)/g,\"'\"),s=e.stylize(s,\"string\"))}return s+\": \"+u}function reduceToSingleString(e,r,t){var n=0;return e.reduce(function(e,r){return n++,r.indexOf(\"\\n\")>=0&&n++,e+r.replace(/\\u001b\\[\\d\\d?m/g,\"\").length+1},0)>60?t[0]+(\"\"===r?\"\":r+\"\\n \")+\" \"+e.join(\",\\n  \")+\" \"+t[1]:t[0]+r+\" \"+e.join(\", \")+\" \"+t[1]}function isArray(e){return Array.isArray(e)}function isBoolean(e){return\"boolean\"==typeof e}function isNull(e){return null===e}function isNullOrUndefined(e){return null==e}function isNumber(e){return\"number\"==typeof e}function isString(e){return\"string\"==typeof e}function isSymbol(e){return\"symbol\"==typeof e}function isUndefined(e){return void 0===e}function isRegExp(e){return isObject(e)&&\"[object RegExp]\"===objectToString(e)}function isObject(e){return\"object\"==typeof e&&null!==e}function isDate(e){return isObject(e)&&\"[object Date]\"===objectToString(e)}function isError(e){return isObject(e)&&(\"[object Error]\"===objectToString(e)||e instanceof Error)}function isFunction(e){return\"function\"==typeof e}function isPrimitive(e){return null===e||\"boolean\"==typeof e||\"number\"==typeof e||\"string\"==typeof e||\"symbol\"==typeof e||void 0===e}function objectToString(e){return Object.prototype.toString.call(e)}function pad(e){return e<10?\"0\"+e.toString(10):e.toString(10)}function timestamp(){var e=new Date,r=[pad(e.getHours()),pad(e.getMinutes()),pad(e.getSeconds())].join(\":\");return[e.getDate(),months[e.getMonth()],r].join(\" \")}function hasOwnProperty(e,r){return Object.prototype.hasOwnProperty.call(e,r)}var formatRegExp=/%[sdj%]/g;exports.format=function(e){if(!isString(e)){for(var r=[],t=0;t<arguments.length;t++)r.push(inspect(arguments[t]));return r.join(\" \")}for(var t=1,n=arguments,i=n.length,o=String(e).replace(formatRegExp,function(e){if(\"%%\"===e)return\"%\";if(t>=i)return e;switch(e){case\"%s\":return String(n[t++]);case\"%d\":return Number(n[t++]);case\"%j\":try{return JSON.stringify(n[t++])}catch(e){return\"[Circular]\"}default:return e}}),s=n[t];t<i;s=n[++t])isNull(s)||!isObject(s)?o+=\" \"+s:o+=\" \"+inspect(s);return o},exports.deprecate=function(e,r){function t(){if(!n){if(process.throwDeprecation)throw new Error(r);process.traceDeprecation?console.trace(r):console.error(r),n=!0}return e.apply(this,arguments)}if(isUndefined(global.process))return function(){return exports.deprecate(e,r).apply(this,arguments)};if(!0===process.noDeprecation)return e;var n=!1;return t};var debugs={},debugEnviron;exports.debuglog=function(e){if(isUndefined(debugEnviron)&&(debugEnviron=process.env.NODE_DEBUG||\"\"),e=e.toUpperCase(),!debugs[e])if(new RegExp(\"\\\\b\"+e+\"\\\\b\",\"i\").test(debugEnviron)){var r=process.pid;debugs[e]=function(){var t=exports.format.apply(exports,arguments);console.error(\"%s %d: %s\",e,r,t)}}else debugs[e]=function(){};return debugs[e]},exports.inspect=inspect,inspect.colors={bold:[1,22],italic:[3,23],underline:[4,24],inverse:[7,27],white:[37,39],grey:[90,39],black:[30,39],blue:[34,39],cyan:[36,39],green:[32,39],magenta:[35,39],red:[31,39],yellow:[33,39]},inspect.styles={special:\"cyan\",number:\"yellow\",boolean:\"yellow\",undefined:\"grey\",null:\"bold\",string:\"green\",date:\"magenta\",regexp:\"red\"},exports.isArray=isArray,exports.isBoolean=isBoolean,exports.isNull=isNull,exports.isNullOrUndefined=isNullOrUndefined,exports.isNumber=isNumber,exports.isString=isString,exports.isSymbol=isSymbol,exports.isUndefined=isUndefined,exports.isRegExp=isRegExp,exports.isObject=isObject,exports.isDate=isDate,exports.isError=isError,exports.isFunction=isFunction,exports.isPrimitive=isPrimitive,exports.isBuffer=_dereq_(\"./support/isBuffer\");var months=[\"Jan\",\"Feb\",\"Mar\",\"Apr\",\"May\",\"Jun\",\"Jul\",\"Aug\",\"Sep\",\"Oct\",\"Nov\",\"Dec\"];exports.log=function(){console.log(\"%s - %s\",timestamp(),exports.format.apply(exports,arguments))},exports.inherits=_dereq_(\"inherits\"),exports._extend=function(e,r){if(!r||!isObject(r))return e;for(var t=Object.keys(r),n=t.length;n--;)e[t[n]]=r[t[n]];return e};\n}).call(this,_dereq_('_process'),typeof global !== \"undefined\" ? global : typeof self !== \"undefined\" ? self : typeof window !== \"undefined\" ? window : {})\n\n},{\"./support/isBuffer\":35,\"_process\":30,\"inherits\":34}],37:[function(_dereq_,module,exports){\nfunction fromVectorTileJs(e){var r=new Pbf;return writeTile(e,r),r.finish()}function fromGeojsonVt(e){var r={};for(var t in e)r[t]=new GeoJSONWrapper(e[t].features),r[t].name=t;return fromVectorTileJs({layers:r})}function writeTile(e,r){for(var t in e.layers)r.writeMessage(3,writeLayer,e.layers[t])}function writeLayer(e,r){r.writeVarintField(15,e.version||1),r.writeStringField(1,e.name||\"\"),r.writeVarintField(5,e.extent||4096);var t,i={keys:[],values:[],keycache:{},valuecache:{}};for(t=0;t<e.length;t++)i.feature=e.feature(t),r.writeMessage(2,writeFeature,i);var a=i.keys;for(t=0;t<a.length;t++)r.writeStringField(3,a[t]);var o=i.values;for(t=0;t<o.length;t++)r.writeMessage(4,writeValue,o[t])}function writeFeature(e,r){var t=e.feature;void 0!==t.id&&r.writeVarintField(1,t.id),r.writeMessage(2,writeProperties,e),r.writeVarintField(3,t.type),r.writeMessage(4,writeGeometry,t)}function writeProperties(e,r){var t=e.feature,i=e.keys,a=e.values,o=e.keycache,n=e.valuecache;for(var l in t.properties){var s=o[l];void 0===s&&(i.push(l),s=i.length-1,o[l]=s),r.writeVarint(s);var u=t.properties[l],f=typeof u;\"string\"!==f&&\"boolean\"!==f&&\"number\"!==f&&(u=JSON.stringify(u));var w=f+\":\"+u,v=n[w];void 0===v&&(a.push(u),v=a.length-1,n[w]=v),r.writeVarint(v)}}function command(e,r){return(r<<3)+(7&e)}function zigzag(e){return e<<1^e>>31}function writeGeometry(e,r){for(var t=e.loadGeometry(),i=e.type,a=0,o=0,n=t.length,l=0;l<n;l++){var s=t[l],u=1;1===i&&(u=s.length),r.writeVarint(command(1,u));for(var f=0;f<s.length;f++){1===f&&1!==i&&r.writeVarint(command(2,s.length-1));var w=s[f].x-a,v=s[f].y-o;r.writeVarint(zigzag(w)),r.writeVarint(zigzag(v)),a+=w,o+=v}}}function writeValue(e,r){var t=typeof e;\"string\"===t?r.writeStringField(1,e):\"boolean\"===t?r.writeBooleanField(7,e):\"number\"===t&&(e%1!=0?r.writeDoubleField(3,e):e<0?r.writeSVarintField(6,e):r.writeVarintField(5,e))}var Pbf=_dereq_(\"pbf\"),GeoJSONWrapper=_dereq_(\"./lib/geojson_wrapper\");module.exports=fromVectorTileJs,module.exports.fromVectorTileJs=fromVectorTileJs,module.exports.fromGeojsonVt=fromGeojsonVt,module.exports.GeoJSONWrapper=GeoJSONWrapper;\n},{\"./lib/geojson_wrapper\":38,\"pbf\":29}],38:[function(_dereq_,module,exports){\n\"use strict\";function GeoJSONWrapper(e){this.features=e,this.length=e.length}function FeatureWrapper(e){this.id=\"number\"==typeof e.id?e.id:void 0,this.type=e.type,this.rawGeometry=1===e.type?[e.geometry]:e.geometry,this.properties=e.tags,this.extent=4096}var Point=_dereq_(\"@mapbox/point-geometry\"),VectorTileFeature=_dereq_(\"@mapbox/vector-tile\").VectorTileFeature;module.exports=GeoJSONWrapper,GeoJSONWrapper.prototype.feature=function(e){return new FeatureWrapper(this.features[e])},FeatureWrapper.prototype.loadGeometry=function(){var e=this.rawGeometry;this.geometry=[];for(var t=0;t<e.length;t++){for(var r=e[t],o=[],a=0;a<r.length;a++)o.push(new Point(r[a][0],r[a][1]));this.geometry.push(o)}return this.geometry},FeatureWrapper.prototype.bbox=function(){this.geometry||this.loadGeometry();for(var e=this.geometry,t=1/0,r=-1/0,o=1/0,a=-1/0,p=0;p<e.length;p++)for(var i=e[p],n=0;n<i.length;n++){var h=i[n];t=Math.min(t,h.x),r=Math.max(r,h.x),o=Math.min(o,h.y),a=Math.max(a,h.y)}return[t,o,r,a]},FeatureWrapper.prototype.toGeoJSON=VectorTileFeature.prototype.toGeoJSON;\n},{\"@mapbox/point-geometry\":2,\"@mapbox/vector-tile\":6}],39:[function(_dereq_,module,exports){\nvar bundleFn=arguments[3],sources=arguments[4],cache=arguments[5],stringify=JSON.stringify;module.exports=function(r,e){function t(r){d[r]=!0;for(var e in sources[r][1]){var n=sources[r][1][e];d[n]||t(n)}}for(var n,o=Object.keys(cache),a=0,i=o.length;a<i;a++){var s=o[a],u=cache[s].exports;if(u===r||u&&u.default===r){n=s;break}}if(!n){n=Math.floor(Math.pow(16,8)*Math.random()).toString(16);for(var f={},a=0,i=o.length;a<i;a++){var s=o[a];f[s]=s}sources[n]=[Function([\"require\",\"module\",\"exports\"],\"(\"+r+\")(self)\"),f]}var c=Math.floor(Math.pow(16,8)*Math.random()).toString(16),l={};l[n]=n,sources[c]=[Function([\"require\"],\"var f = require(\"+stringify(n)+\");(f.default ? f.default : f)(self);\"),l];var d={};t(c);var g=\"(\"+bundleFn+\")({\"+Object.keys(d).map(function(r){return stringify(r)+\":[\"+sources[r][0]+\",\"+stringify(sources[r][1])+\"]\"}).join(\",\")+\"},{},[\"+stringify(c)+\"])\",v=window.URL||window.webkitURL||window.mozURL||window.msURL,w=new Blob([g],{type:\"text/javascript\"});if(e&&e.bare)return w;var h=v.createObjectURL(w),b=new Worker(h);return b.objectURL=h,b};\n},{}],40:[function(_dereq_,module,exports){\nmodule.exports.RADIUS=6378137,module.exports.FLATTENING=1/298.257223563,module.exports.POLAR_RADIUS=6356752.3142;\n},{}],41:[function(_dereq_,module,exports){\nmodule.exports={\"version\":\"0.40.1\"}\n},{}],42:[function(_dereq_,module,exports){\n\"use strict\";var util=_dereq_(\"../util/util\");module.exports={deserialize:function(e,r){var t={};if(!r)return t;for(var i=0,a=e;i<a.length;i+=1){var l=a[i],u=l.layerIds.map(function(e){return r.getLayer(e)}).filter(Boolean);if(0!==u.length)for(var n=u[0].createBucket(util.extend({layers:u},l)),o=0,f=u;o<f.length;o+=1){var s=f[o];t[s.id]=n}}return t}};\n},{\"../util/util\":223}],43:[function(_dereq_,module,exports){\n\"use strict\";function addCircleVertex(e,r,t,i,a){e.emplaceBack(2*r+(i+1)/2,2*t+(a+1)/2)}var ref=_dereq_(\"../segment\"),SegmentVector=ref.SegmentVector,VertexBuffer=_dereq_(\"../../gl/vertex_buffer\"),IndexBuffer=_dereq_(\"../../gl/index_buffer\"),ref$1=_dereq_(\"../program_configuration\"),ProgramConfigurationSet=ref$1.ProgramConfigurationSet,createVertexArrayType=_dereq_(\"../vertex_array_type\"),ref$2=_dereq_(\"../index_array_type\"),TriangleIndexArray=ref$2.TriangleIndexArray,loadGeometry=_dereq_(\"../load_geometry\"),EXTENT=_dereq_(\"../extent\"),circleInterface={layoutAttributes:[{name:\"a_pos\",components:2,type:\"Int16\"}],indexArrayType:TriangleIndexArray,paintAttributes:[{property:\"circle-color\"},{property:\"circle-radius\"},{property:\"circle-blur\"},{property:\"circle-opacity\"},{property:\"circle-stroke-color\"},{property:\"circle-stroke-width\"},{property:\"circle-stroke-opacity\"}]},LayoutVertexArrayType=createVertexArrayType(circleInterface.layoutAttributes),CircleBucket=function(e){this.zoom=e.zoom,this.overscaling=e.overscaling,this.layers=e.layers,this.index=e.index,this.layoutVertexArray=new LayoutVertexArrayType(e.layoutVertexArray),this.indexArray=new TriangleIndexArray(e.indexArray),this.programConfigurations=new ProgramConfigurationSet(circleInterface,e.layers,e.zoom,e.programConfigurations),this.segments=new SegmentVector(e.segments)};CircleBucket.prototype.populate=function(e,r){for(var t=this,i=0,a=e;i<a.length;i+=1){var o=a[i],n=o.feature,y=o.index,u=o.sourceLayerIndex;if(t.layers[0].filter(n)){var s=loadGeometry(n);t.addFeature(n,s),r.featureIndex.insert(n,s,y,u,t.index)}}},CircleBucket.prototype.isEmpty=function(){return 0===this.layoutVertexArray.length},CircleBucket.prototype.serialize=function(e){return{zoom:this.zoom,layerIds:this.layers.map(function(e){return e.id}),layoutVertexArray:this.layoutVertexArray.serialize(e),indexArray:this.indexArray.serialize(e),programConfigurations:this.programConfigurations.serialize(e),segments:this.segments.get()}},CircleBucket.prototype.upload=function(e){this.layoutVertexBuffer=new VertexBuffer(e,this.layoutVertexArray),this.indexBuffer=new IndexBuffer(e,this.indexArray),this.programConfigurations.upload(e)},CircleBucket.prototype.destroy=function(){this.layoutVertexBuffer&&(this.layoutVertexBuffer.destroy(),this.indexBuffer.destroy(),this.programConfigurations.destroy(),this.segments.destroy())},CircleBucket.prototype.addFeature=function(e,r){for(var t=this,i=0,a=r;i<a.length;i+=1)for(var o=a[i],n=0,y=o;n<y.length;n+=1){var u=y[n],s=u.x,c=u.y;if(!(s<0||s>=EXTENT||c<0||c>=EXTENT)){var l=t.segments.prepareSegment(4,t.layoutVertexArray,t.indexArray),p=l.vertexLength;addCircleVertex(t.layoutVertexArray,s,c,-1,-1),addCircleVertex(t.layoutVertexArray,s,c,1,-1),addCircleVertex(t.layoutVertexArray,s,c,1,1),addCircleVertex(t.layoutVertexArray,s,c,-1,1),t.indexArray.emplaceBack(p,p+1,p+2),t.indexArray.emplaceBack(p,p+3,p+2),l.vertexLength+=4,l.primitiveLength+=2}}this.programConfigurations.populatePaintArrays(this.layoutVertexArray.length,e.properties)},CircleBucket.programInterface=circleInterface,module.exports=CircleBucket;\n},{\"../../gl/index_buffer\":61,\"../../gl/vertex_buffer\":62,\"../extent\":48,\"../index_array_type\":50,\"../load_geometry\":51,\"../program_configuration\":53,\"../segment\":55,\"../vertex_array_type\":56}],44:[function(_dereq_,module,exports){\n\"use strict\";var ref=_dereq_(\"../segment\"),SegmentVector=ref.SegmentVector,VertexBuffer=_dereq_(\"../../gl/vertex_buffer\"),IndexBuffer=_dereq_(\"../../gl/index_buffer\"),ref$1=_dereq_(\"../program_configuration\"),ProgramConfigurationSet=ref$1.ProgramConfigurationSet,createVertexArrayType=_dereq_(\"../vertex_array_type\"),ref$2=_dereq_(\"../index_array_type\"),LineIndexArray=ref$2.LineIndexArray,TriangleIndexArray=ref$2.TriangleIndexArray,loadGeometry=_dereq_(\"../load_geometry\"),earcut=_dereq_(\"earcut\"),classifyRings=_dereq_(\"../../util/classify_rings\"),EARCUT_MAX_RINGS=500,fillInterface={layoutAttributes:[{name:\"a_pos\",components:2,type:\"Int16\"}],indexArrayType:TriangleIndexArray,indexArrayType2:LineIndexArray,paintAttributes:[{property:\"fill-color\"},{property:\"fill-outline-color\"},{property:\"fill-opacity\"}]},LayoutVertexArrayType=createVertexArrayType(fillInterface.layoutAttributes),FillBucket=function(e){this.zoom=e.zoom,this.overscaling=e.overscaling,this.layers=e.layers,this.index=e.index,this.layoutVertexArray=new LayoutVertexArrayType(e.layoutVertexArray),this.indexArray=new TriangleIndexArray(e.indexArray),this.indexArray2=new LineIndexArray(e.indexArray2),this.programConfigurations=new ProgramConfigurationSet(fillInterface,e.layers,e.zoom,e.programConfigurations),this.segments=new SegmentVector(e.segments),this.segments2=new SegmentVector(e.segments2)};FillBucket.prototype.populate=function(e,r){for(var t=this,i=0,a=e;i<a.length;i+=1){var n=a[i],o=n.feature,s=n.index,y=n.sourceLayerIndex;if(t.layers[0].filter(o)){var l=loadGeometry(o);t.addFeature(o,l),r.featureIndex.insert(o,l,s,y,t.index)}}},FillBucket.prototype.isEmpty=function(){return 0===this.layoutVertexArray.length},FillBucket.prototype.serialize=function(e){return{zoom:this.zoom,layerIds:this.layers.map(function(e){return e.id}),layoutVertexArray:this.layoutVertexArray.serialize(e),indexArray:this.indexArray.serialize(e),indexArray2:this.indexArray2.serialize(e),programConfigurations:this.programConfigurations.serialize(e),segments:this.segments.get(),segments2:this.segments2.get()}},FillBucket.prototype.upload=function(e){this.layoutVertexBuffer=new VertexBuffer(e,this.layoutVertexArray),this.indexBuffer=new IndexBuffer(e,this.indexArray),this.indexBuffer2=new IndexBuffer(e,this.indexArray2),this.programConfigurations.upload(e)},FillBucket.prototype.destroy=function(){this.layoutVertexBuffer&&(this.layoutVertexBuffer.destroy(),this.indexBuffer.destroy(),this.indexBuffer2.destroy(),this.programConfigurations.destroy(),this.segments.destroy(),this.segments2.destroy())},FillBucket.prototype.addFeature=function(e,r){for(var t=this,i=0,a=classifyRings(r,EARCUT_MAX_RINGS);i<a.length;i+=1){for(var n=a[i],o=0,s=0,y=n;s<y.length;s+=1){o+=y[s].length}for(var l=t.segments.prepareSegment(o,t.layoutVertexArray,t.indexArray),u=l.vertexLength,f=[],g=[],x=0,p=n;x<p.length;x+=1){var h=p[x];if(0!==h.length){h!==n[0]&&g.push(f.length/2);var d=t.segments2.prepareSegment(h.length,t.layoutVertexArray,t.indexArray2),c=d.vertexLength;t.layoutVertexArray.emplaceBack(h[0].x,h[0].y),t.indexArray2.emplaceBack(c+h.length-1,c),f.push(h[0].x),f.push(h[0].y);for(var m=1;m<h.length;m++)t.layoutVertexArray.emplaceBack(h[m].x,h[m].y),t.indexArray2.emplaceBack(c+m-1,c+m),f.push(h[m].x),f.push(h[m].y);d.vertexLength+=h.length,d.primitiveLength+=h.length}}for(var A=earcut(f,g),B=0;B<A.length;B+=3)t.indexArray.emplaceBack(u+A[B],u+A[B+1],u+A[B+2]);l.vertexLength+=o,l.primitiveLength+=A.length/3}this.programConfigurations.populatePaintArrays(this.layoutVertexArray.length,e.properties)},FillBucket.programInterface=fillInterface,module.exports=FillBucket;\n},{\"../../gl/index_buffer\":61,\"../../gl/vertex_buffer\":62,\"../../util/classify_rings\":205,\"../index_array_type\":50,\"../load_geometry\":51,\"../program_configuration\":53,\"../segment\":55,\"../vertex_array_type\":56,\"earcut\":11}],45:[function(_dereq_,module,exports){\n\"use strict\";function addVertex(e,r,t,a,i,n,o,s){e.emplaceBack(r,t,2*Math.floor(a*FACTOR)+o,i*FACTOR*2,n*FACTOR*2,Math.round(s))}function isBoundaryEdge(e,r){return e.x===r.x&&(e.x<0||e.x>EXTENT)||e.y===r.y&&(e.y<0||e.y>EXTENT)}var ref=_dereq_(\"../segment\"),SegmentVector=ref.SegmentVector,MAX_VERTEX_ARRAY_LENGTH=ref.MAX_VERTEX_ARRAY_LENGTH,VertexBuffer=_dereq_(\"../../gl/vertex_buffer\"),IndexBuffer=_dereq_(\"../../gl/index_buffer\"),ref$1=_dereq_(\"../program_configuration\"),ProgramConfigurationSet=ref$1.ProgramConfigurationSet,createVertexArrayType=_dereq_(\"../vertex_array_type\"),ref$2=_dereq_(\"../index_array_type\"),TriangleIndexArray=ref$2.TriangleIndexArray,loadGeometry=_dereq_(\"../load_geometry\"),EXTENT=_dereq_(\"../extent\"),earcut=_dereq_(\"earcut\"),classifyRings=_dereq_(\"../../util/classify_rings\"),EARCUT_MAX_RINGS=500,fillExtrusionInterface={layoutAttributes:[{name:\"a_pos\",components:2,type:\"Int16\"},{name:\"a_normal\",components:3,type:\"Int16\"},{name:\"a_edgedistance\",components:1,type:\"Int16\"}],indexArrayType:TriangleIndexArray,paintAttributes:[{property:\"fill-extrusion-base\"},{property:\"fill-extrusion-height\"},{property:\"fill-extrusion-color\"}]},FACTOR=Math.pow(2,13),LayoutVertexArrayType=createVertexArrayType(fillExtrusionInterface.layoutAttributes),FillExtrusionBucket=function(e){this.zoom=e.zoom,this.overscaling=e.overscaling,this.layers=e.layers,this.index=e.index,this.layoutVertexArray=new LayoutVertexArrayType(e.layoutVertexArray),this.indexArray=new TriangleIndexArray(e.indexArray),this.programConfigurations=new ProgramConfigurationSet(fillExtrusionInterface,e.layers,e.zoom,e.programConfigurations),this.segments=new SegmentVector(e.segments)};FillExtrusionBucket.prototype.populate=function(e,r){for(var t=this,a=0,i=e;a<i.length;a+=1){var n=i[a],o=n.feature,s=n.index,u=n.sourceLayerIndex;if(t.layers[0].filter(o)){var y=loadGeometry(o);t.addFeature(o,y),r.featureIndex.insert(o,y,s,u,t.index)}}},FillExtrusionBucket.prototype.isEmpty=function(){return 0===this.layoutVertexArray.length},FillExtrusionBucket.prototype.serialize=function(e){return{zoom:this.zoom,layerIds:this.layers.map(function(e){return e.id}),layoutVertexArray:this.layoutVertexArray.serialize(e),indexArray:this.indexArray.serialize(e),programConfigurations:this.programConfigurations.serialize(e),segments:this.segments.get()}},FillExtrusionBucket.prototype.upload=function(e){this.layoutVertexBuffer=new VertexBuffer(e,this.layoutVertexArray),this.indexBuffer=new IndexBuffer(e,this.indexArray),this.programConfigurations.upload(e)},FillExtrusionBucket.prototype.destroy=function(){this.layoutVertexBuffer&&(this.layoutVertexBuffer.destroy(),this.indexBuffer.destroy(),this.programConfigurations.destroy(),this.segments.destroy())},FillExtrusionBucket.prototype.addFeature=function(e,r){for(var t=this,a=0,i=classifyRings(r,EARCUT_MAX_RINGS);a<i.length;a+=1){for(var n=i[a],o=0,s=0,u=n;s<u.length;s+=1){o+=u[s].length}for(var y=t.segments.prepareSegment(4,t.layoutVertexArray,t.indexArray),l=0,x=n;l<x.length;l+=1){var f=x[l];if(0!==f.length)for(var g=0,p=0;p<f.length;p++){var d=f[p];if(p>=1){var h=f[p-1];if(!isBoundaryEdge(d,h)){y.vertexLength+4>MAX_VERTEX_ARRAY_LENGTH&&(y=t.segments.prepareSegment(4,t.layoutVertexArray,t.indexArray));var A=d.sub(h)._perp()._unit();addVertex(t.layoutVertexArray,d.x,d.y,A.x,A.y,0,0,g),addVertex(t.layoutVertexArray,d.x,d.y,A.x,A.y,0,1,g),g+=h.dist(d),addVertex(t.layoutVertexArray,h.x,h.y,A.x,A.y,0,0,g),addVertex(t.layoutVertexArray,h.x,h.y,A.x,A.y,0,1,g);var c=y.vertexLength;t.indexArray.emplaceBack(c,c+1,c+2),t.indexArray.emplaceBack(c+1,c+2,c+3),y.vertexLength+=4,y.primitiveLength+=2}}}}y.vertexLength+o>MAX_VERTEX_ARRAY_LENGTH&&(y=t.segments.prepareSegment(o,t.layoutVertexArray,t.indexArray));for(var m=[],V=[],E=y.vertexLength,v=0,_=n;v<_.length;v+=1){var T=_[v];if(0!==T.length){T!==n[0]&&V.push(m.length/2);for(var B=0;B<T.length;B++){var R=T[B];addVertex(t.layoutVertexArray,R.x,R.y,0,0,1,1,0),m.push(R.x),m.push(R.y)}}}for(var I=earcut(m,V),C=0;C<I.length;C+=3)t.indexArray.emplaceBack(E+I[C],E+I[C+1],E+I[C+2]);y.primitiveLength+=I.length/3,y.vertexLength+=o}this.programConfigurations.populatePaintArrays(this.layoutVertexArray.length,e.properties)},FillExtrusionBucket.programInterface=fillExtrusionInterface,module.exports=FillExtrusionBucket;\n},{\"../../gl/index_buffer\":61,\"../../gl/vertex_buffer\":62,\"../../util/classify_rings\":205,\"../extent\":48,\"../index_array_type\":50,\"../load_geometry\":51,\"../program_configuration\":53,\"../segment\":55,\"../vertex_array_type\":56,\"earcut\":11}],46:[function(_dereq_,module,exports){\n\"use strict\";function addLineVertex(e,t,r,i,a,n,s){e.emplaceBack(t.x,t.y,i?1:0,a?1:-1,Math.round(EXTRUDE_SCALE*r.x)+128,Math.round(EXTRUDE_SCALE*r.y)+128,1+(0===n?0:n<0?-1:1)|(s*LINE_DISTANCE_SCALE&63)<<2,s*LINE_DISTANCE_SCALE>>6)}var ref=_dereq_(\"../segment\"),SegmentVector=ref.SegmentVector,VertexBuffer=_dereq_(\"../../gl/vertex_buffer\"),IndexBuffer=_dereq_(\"../../gl/index_buffer\"),ref$1=_dereq_(\"../program_configuration\"),ProgramConfigurationSet=ref$1.ProgramConfigurationSet,createVertexArrayType=_dereq_(\"../vertex_array_type\"),ref$2=_dereq_(\"../index_array_type\"),TriangleIndexArray=ref$2.TriangleIndexArray,loadGeometry=_dereq_(\"../load_geometry\"),EXTENT=_dereq_(\"../extent\"),vectorTileFeatureTypes=_dereq_(\"@mapbox/vector-tile\").VectorTileFeature.types,EXTRUDE_SCALE=63,COS_HALF_SHARP_CORNER=Math.cos(Math.PI/180*37.5),SHARP_CORNER_OFFSET=15,LINE_DISTANCE_BUFFER_BITS=15,LINE_DISTANCE_SCALE=.5,MAX_LINE_DISTANCE=Math.pow(2,LINE_DISTANCE_BUFFER_BITS-1)/LINE_DISTANCE_SCALE,lineInterface={layoutAttributes:[{name:\"a_pos_normal\",components:4,type:\"Int16\"},{name:\"a_data\",components:4,type:\"Uint8\"}],paintAttributes:[{property:\"line-color\"},{property:\"line-blur\"},{property:\"line-opacity\"},{property:\"line-gap-width\",name:\"gapwidth\"},{property:\"line-offset\"},{property:\"line-width\"},{property:\"line-width\",name:\"floorwidth\",useIntegerZoom:!0}],indexArrayType:TriangleIndexArray},LayoutVertexArrayType=createVertexArrayType(lineInterface.layoutAttributes),LineBucket=function(e){this.zoom=e.zoom,this.overscaling=e.overscaling,this.layers=e.layers,this.index=e.index,this.layoutVertexArray=new LayoutVertexArrayType(e.layoutVertexArray),this.indexArray=new TriangleIndexArray(e.indexArray),this.programConfigurations=new ProgramConfigurationSet(lineInterface,e.layers,e.zoom,e.programConfigurations),this.segments=new SegmentVector(e.segments)};LineBucket.prototype.populate=function(e,t){for(var r=this,i=0,a=e;i<a.length;i+=1){var n=a[i],s=n.feature,o=n.index,u=n.sourceLayerIndex;if(r.layers[0].filter(s)){var d=loadGeometry(s);r.addFeature(s,d),t.featureIndex.insert(s,d,o,u,r.index)}}},LineBucket.prototype.isEmpty=function(){return 0===this.layoutVertexArray.length},LineBucket.prototype.serialize=function(e){return{zoom:this.zoom,layerIds:this.layers.map(function(e){return e.id}),layoutVertexArray:this.layoutVertexArray.serialize(e),indexArray:this.indexArray.serialize(e),programConfigurations:this.programConfigurations.serialize(e),segments:this.segments.get()}},LineBucket.prototype.upload=function(e){this.layoutVertexBuffer=new VertexBuffer(e,this.layoutVertexArray),this.indexBuffer=new IndexBuffer(e,this.indexArray),this.programConfigurations.upload(e)},LineBucket.prototype.destroy=function(){this.layoutVertexBuffer&&(this.layoutVertexBuffer.destroy(),this.indexBuffer.destroy(),this.programConfigurations.destroy(),this.segments.destroy())},LineBucket.prototype.addFeature=function(e,t){for(var r=this,i=this.layers[0].layout,a=this.layers[0].getLayoutValue(\"line-join\",{zoom:this.zoom},e.properties),n=i[\"line-cap\"],s=i[\"line-miter-limit\"],o=i[\"line-round-limit\"],u=0,d=t;u<d.length;u+=1){var l=d[u];r.addLine(l,e,a,n,s,o)}},LineBucket.prototype.addLine=function(e,t,r,i,a,n){for(var s=this,o=t.properties,u=\"Polygon\"===vectorTileFeatureTypes[t.type],d=e.length;d>=2&&e[d-1].equals(e[d-2]);)d--;for(var l=0;l<d-1&&e[l].equals(e[l+1]);)l++;if(!(d<(u?3:2))){\"bevel\"===r&&(a=1.05);var y=SHARP_CORNER_OFFSET*(EXTENT/(512*this.overscaling)),h=e[l],p=this.segments.prepareSegment(10*d,this.layoutVertexArray,this.indexArray);this.distance=0;var c,f,x,m=i,g=u?\"butt\":i,_=!0,A=void 0,v=void 0,V=void 0,C=void 0;this.e1=this.e2=this.e3=-1,u&&(c=e[d-2],C=h.sub(c)._unit()._perp());for(var L=l;L<d;L++)if(!(v=u&&L===d-1?e[l+1]:e[L+1])||!e[L].equals(v)){C&&(V=C),c&&(A=c),c=e[L],C=v?v.sub(c)._unit()._perp():V,V=V||C;var E=V.add(C);0===E.x&&0===E.y||E._unit();var S=E.x*C.x+E.y*C.y,I=0!==S?1/S:1/0,T=S<COS_HALF_SHARP_CORNER&&A&&v;if(T&&L>l){var B=c.dist(A);if(B>2*y){var b=c.sub(c.sub(A)._mult(y/B)._round());s.distance+=b.dist(A),s.addCurrentVertex(b,s.distance,V.mult(1),0,0,!1,p),A=b}}var N=A&&v,k=N?r:v?m:g;if(N&&\"round\"===k&&(I<n?k=\"miter\":I<=2&&(k=\"fakeround\")),\"miter\"===k&&I>a&&(k=\"bevel\"),\"bevel\"===k&&(I>2&&(k=\"flipbevel\"),I<a&&(k=\"miter\")),A&&(s.distance+=c.dist(A)),\"miter\"===k)E._mult(I),s.addCurrentVertex(c,s.distance,E,0,0,!1,p);else if(\"flipbevel\"===k){if(I>100)E=C.clone().mult(-1);else{var R=V.x*C.y-V.y*C.x>0?-1:1,F=I*V.add(C).mag()/V.sub(C).mag();E._perp()._mult(F*R)}s.addCurrentVertex(c,s.distance,E,0,0,!1,p),s.addCurrentVertex(c,s.distance,E.mult(-1),0,0,!1,p)}else if(\"bevel\"===k||\"fakeround\"===k){var q=V.x*C.y-V.y*C.x>0,P=-Math.sqrt(I*I-1);if(q?(x=0,f=P):(f=0,x=P),_||s.addCurrentVertex(c,s.distance,V,f,x,!1,p),\"fakeround\"===k){for(var w=Math.floor(8*(.5-(S-.5))),z=void 0,D=0;D<w;D++)z=C.mult((D+1)/(w+1))._add(V)._unit(),s.addPieSliceVertex(c,s.distance,z,q,p);s.addPieSliceVertex(c,s.distance,E,q,p);for(var M=w-1;M>=0;M--)z=V.mult((M+1)/(w+1))._add(C)._unit(),s.addPieSliceVertex(c,s.distance,z,q,p)}v&&s.addCurrentVertex(c,s.distance,C,-f,-x,!1,p)}else\"butt\"===k?(_||s.addCurrentVertex(c,s.distance,V,0,0,!1,p),v&&s.addCurrentVertex(c,s.distance,C,0,0,!1,p)):\"square\"===k?(_||(s.addCurrentVertex(c,s.distance,V,1,1,!1,p),s.e1=s.e2=-1),v&&s.addCurrentVertex(c,s.distance,C,-1,-1,!1,p)):\"round\"===k&&(_||(s.addCurrentVertex(c,s.distance,V,0,0,!1,p),s.addCurrentVertex(c,s.distance,V,1,1,!0,p),s.e1=s.e2=-1),v&&(s.addCurrentVertex(c,s.distance,C,-1,-1,!0,p),s.addCurrentVertex(c,s.distance,C,0,0,!1,p)));if(T&&L<d-1){var O=c.dist(v);if(O>2*y){var X=c.add(v.sub(c)._mult(y/O)._round());s.distance+=X.dist(c),s.addCurrentVertex(X,s.distance,C.mult(1),0,0,!1,p),c=X}}_=!1}this.programConfigurations.populatePaintArrays(this.layoutVertexArray.length,o)}},LineBucket.prototype.addCurrentVertex=function(e,t,r,i,a,n,s){var o,u=this.layoutVertexArray,d=this.indexArray;o=r.clone(),i&&o._sub(r.perp()._mult(i)),addLineVertex(u,e,o,n,!1,i,t),this.e3=s.vertexLength++,this.e1>=0&&this.e2>=0&&(d.emplaceBack(this.e1,this.e2,this.e3),s.primitiveLength++),this.e1=this.e2,this.e2=this.e3,o=r.mult(-1),a&&o._sub(r.perp()._mult(a)),addLineVertex(u,e,o,n,!0,-a,t),this.e3=s.vertexLength++,this.e1>=0&&this.e2>=0&&(d.emplaceBack(this.e1,this.e2,this.e3),s.primitiveLength++),this.e1=this.e2,this.e2=this.e3,t>MAX_LINE_DISTANCE/2&&(this.distance=0,this.addCurrentVertex(e,this.distance,r,i,a,n,s))},LineBucket.prototype.addPieSliceVertex=function(e,t,r,i,a){r=r.mult(i?-1:1);var n=this.layoutVertexArray,s=this.indexArray;addLineVertex(n,e,r,!1,i,0,t),this.e3=a.vertexLength++,this.e1>=0&&this.e2>=0&&(s.emplaceBack(this.e1,this.e2,this.e3),a.primitiveLength++),i?this.e2=this.e3:this.e1=this.e3},LineBucket.programInterface=lineInterface,module.exports=LineBucket;\n},{\"../../gl/index_buffer\":61,\"../../gl/vertex_buffer\":62,\"../extent\":48,\"../index_array_type\":50,\"../load_geometry\":51,\"../program_configuration\":53,\"../segment\":55,\"../vertex_array_type\":56,\"@mapbox/vector-tile\":6}],47:[function(_dereq_,module,exports){\n\"use strict\";function addVertex(e,t,o,r,a,i,n,s){e.emplaceBack(t,o,Math.round(64*r),Math.round(64*a),i,n,s?s[0]:void 0,s?s[1]:void 0)}function addDynamicAttributes(e,t,o,r){var a=2*Math.PI,i=packUint8ToFloat((o+a)%a/a*255,10*r);e.emplaceBack(t.x,t.y,i),e.emplaceBack(t.x,t.y,i),e.emplaceBack(t.x,t.y,i),e.emplaceBack(t.x,t.y,i)}function addCollisionBoxVertex(e,t,o,r,a,i){return e.emplaceBack(t.x,t.y,o.x,o.y,Math.round(r.x),Math.round(r.y),10*a,10*i)}function getSizeData(e,t,o){var r={};if(r.isFeatureConstant=t.isLayoutValueFeatureConstant(o),r.isZoomConstant=t.isLayoutValueZoomConstant(o),r.isFeatureConstant&&(r.layoutSize=t.getLayoutValue(o,{zoom:e+1})),!r.isZoomConstant){for(var a=t.getLayoutValueStopZoomLevels(o),i=0;i<a.length&&a[i]<=e;)i++;i=Math.max(0,i-1);for(var n=i;n<a.length&&a[n]<e+1;)n++;n=Math.min(a.length-1,n),r.coveringZoomRange=[a[i],a[n]],t.isLayoutValueFeatureConstant(o)&&(r.coveringStopValues=[t.getLayoutValue(o,{zoom:a[i]}),t.getLayoutValue(o,{zoom:a[n]})]),r.functionBase=t.getLayoutProperty(o).base,void 0===r.functionBase&&(r.functionBase=1),r.functionType=t.getLayoutProperty(o).type||\"exponential\"}return r}function getSizeVertexData(e,t,o,r,a){return e.isLayoutValueZoomConstant(r)&&!e.isLayoutValueFeatureConstant(r)?[10*e.getLayoutValue(r,{},a)]:e.isLayoutValueZoomConstant(r)||e.isLayoutValueFeatureConstant(r)?null:[10*e.getLayoutValue(r,{zoom:o[0]},a),10*e.getLayoutValue(r,{zoom:o[1]},a)]}var Point=_dereq_(\"@mapbox/point-geometry\"),ref=_dereq_(\"../segment\"),SegmentVector=ref.SegmentVector,VertexBuffer=_dereq_(\"../../gl/vertex_buffer\"),IndexBuffer=_dereq_(\"../../gl/index_buffer\"),ref$1=_dereq_(\"../program_configuration\"),ProgramConfigurationSet=ref$1.ProgramConfigurationSet,createVertexArrayType=_dereq_(\"../vertex_array_type\"),ref$2=_dereq_(\"../index_array_type\"),TriangleIndexArray=ref$2.TriangleIndexArray,LineIndexArray=ref$2.LineIndexArray,EXTENT=_dereq_(\"../extent\"),ref$3=_dereq_(\"../../shaders/encode_attribute\"),packUint8ToFloat=ref$3.packUint8ToFloat,Anchor=_dereq_(\"../../symbol/anchor\"),getAnchors=_dereq_(\"../../symbol/get_anchors\"),resolveTokens=_dereq_(\"../../util/token\"),ref$4=_dereq_(\"../../symbol/quads\"),getGlyphQuads=ref$4.getGlyphQuads,getIconQuads=ref$4.getIconQuads,ref$5=_dereq_(\"../../symbol/shaping\"),shapeText=ref$5.shapeText,shapeIcon=ref$5.shapeIcon,WritingMode=ref$5.WritingMode,transformText=_dereq_(\"../../symbol/transform_text\"),mergeLines=_dereq_(\"../../symbol/mergelines\"),clipLine=_dereq_(\"../../symbol/clip_line\"),util=_dereq_(\"../../util/util\"),scriptDetection=_dereq_(\"../../util/script_detection\"),loadGeometry=_dereq_(\"../load_geometry\"),CollisionFeature=_dereq_(\"../../symbol/collision_feature\"),findPoleOfInaccessibility=_dereq_(\"../../util/find_pole_of_inaccessibility\"),classifyRings=_dereq_(\"../../util/classify_rings\"),vectorTileFeatureTypes=_dereq_(\"@mapbox/vector-tile\").VectorTileFeature.types,createStructArrayType=_dereq_(\"../../util/struct_array\"),verticalizePunctuation=_dereq_(\"../../util/verticalize_punctuation\"),PlacedSymbolArray=createStructArrayType({members:[{type:\"Int16\",name:\"anchorX\"},{type:\"Int16\",name:\"anchorY\"},{type:\"Uint16\",name:\"glyphStartIndex\"},{type:\"Uint16\",name:\"numGlyphs\"},{type:\"Uint32\",name:\"lineStartIndex\"},{type:\"Uint32\",name:\"lineLength\"},{type:\"Uint16\",name:\"segment\"},{type:\"Uint16\",name:\"lowerSize\"},{type:\"Uint16\",name:\"upperSize\"},{type:\"Float32\",name:\"lineOffsetX\"},{type:\"Float32\",name:\"lineOffsetY\"},{type:\"Float32\",name:\"placementZoom\"},{type:\"Uint8\",name:\"vertical\"}]}),GlyphOffsetArray=createStructArrayType({members:[{type:\"Float32\",name:\"offsetX\"}]}),LineVertexArray=createStructArrayType({members:[{type:\"Int16\",name:\"x\"},{type:\"Int16\",name:\"y\"}]}),layoutAttributes=[{name:\"a_pos_offset\",components:4,type:\"Int16\"},{name:\"a_data\",components:4,type:\"Uint16\"}],dynamicLayoutAttributes=[{name:\"a_projected_pos\",components:3,type:\"Float32\"}],symbolInterfaces={text:{layoutAttributes:layoutAttributes,dynamicLayoutAttributes:dynamicLayoutAttributes,indexArrayType:TriangleIndexArray,paintAttributes:[{property:\"text-color\",name:\"fill_color\"},{property:\"text-halo-color\",name:\"halo_color\"},{property:\"text-halo-width\",name:\"halo_width\"},{property:\"text-halo-blur\",name:\"halo_blur\"},{property:\"text-opacity\",name:\"opacity\"}]},icon:{layoutAttributes:layoutAttributes,dynamicLayoutAttributes:dynamicLayoutAttributes,indexArrayType:TriangleIndexArray,paintAttributes:[{property:\"icon-color\",name:\"fill_color\"},{property:\"icon-halo-color\",name:\"halo_color\"},{property:\"icon-halo-width\",name:\"halo_width\"},{property:\"icon-halo-blur\",name:\"halo_blur\"},{property:\"icon-opacity\",name:\"opacity\"}]},collisionBox:{layoutAttributes:[{name:\"a_pos\",components:2,type:\"Int16\"},{name:\"a_anchor_pos\",components:2,type:\"Int16\"},{name:\"a_extrude\",components:2,type:\"Int16\"},{name:\"a_data\",components:2,type:\"Uint8\"}],indexArrayType:LineIndexArray}},SymbolBuffers=function(e,t,o,r){this.programInterface=e;var a=createVertexArrayType(e.layoutAttributes),i=e.indexArrayType;if(this.layoutVertexArray=new a(r&&r.layoutVertexArray),this.indexArray=new i(r&&r.indexArray),this.programConfigurations=new ProgramConfigurationSet(e,t,o,r&&r.programConfigurations),this.segments=new SegmentVector(r&&r.segments),e.dynamicLayoutAttributes){var n=createVertexArrayType(e.dynamicLayoutAttributes);this.dynamicLayoutVertexArray=new n(r&&r.dynamicLayoutVertexArray)}};SymbolBuffers.prototype.serialize=function(e){return{layoutVertexArray:this.layoutVertexArray.serialize(e),indexArray:this.indexArray.serialize(e),programConfigurations:this.programConfigurations.serialize(e),segments:this.segments.get(),dynamicLayoutVertexArray:this.dynamicLayoutVertexArray&&this.dynamicLayoutVertexArray.serialize(e)}},SymbolBuffers.prototype.upload=function(e){this.layoutVertexBuffer=new VertexBuffer(e,this.layoutVertexArray),this.indexBuffer=new IndexBuffer(e,this.indexArray),this.programConfigurations.upload(e),this.programInterface.dynamicLayoutAttributes&&(this.dynamicLayoutVertexBuffer=new VertexBuffer(e,this.dynamicLayoutVertexArray,!0))},SymbolBuffers.prototype.destroy=function(){this.layoutVertexBuffer&&(this.layoutVertexBuffer.destroy(),this.indexBuffer.destroy(),this.programConfigurations.destroy(),this.segments.destroy(),this.dynamicLayoutVertexBuffer&&this.dynamicLayoutVertexBuffer.destroy())};var SymbolBucket=function(e){if(this.collisionBoxArray=e.collisionBoxArray,this.zoom=e.zoom,this.overscaling=e.overscaling,this.layers=e.layers,this.index=e.index,this.sdfIcons=e.sdfIcons,this.iconsNeedLinear=e.iconsNeedLinear,this.pixelRatio=e.pixelRatio,e.text)this.text=new SymbolBuffers(symbolInterfaces.text,e.layers,e.zoom,e.text),this.icon=new SymbolBuffers(symbolInterfaces.icon,e.layers,e.zoom,e.icon),this.collisionBox=new SymbolBuffers(symbolInterfaces.collisionBox,e.layers,e.zoom,e.collisionBox),this.textSizeData=e.textSizeData,this.iconSizeData=e.iconSizeData,this.placedGlyphArray=new PlacedSymbolArray(e.placedGlyphArray),this.placedIconArray=new PlacedSymbolArray(e.placedIconArray),this.glyphOffsetArray=new GlyphOffsetArray(e.glyphOffsetArray),this.lineVertexArray=new LineVertexArray(e.lineVertexArray);else{var t=this.layers[0];this.textSizeData=getSizeData(this.zoom,t,\"text-size\"),this.iconSizeData=getSizeData(this.zoom,t,\"icon-size\")}};SymbolBucket.prototype.populate=function(e,t){var o=this,r=this.layers[0],a=r.layout,i=a[\"text-font\"],n=(!r.isLayoutValueFeatureConstant(\"text-field\")||a[\"text-field\"])&&i,s=!r.isLayoutValueFeatureConstant(\"icon-image\")||a[\"icon-image\"];if(this.features=[],n||s){for(var l=t.iconDependencies,y=t.glyphDependencies,c=y[i]=y[i]||{},u={zoom:this.zoom},p=0,x=e;p<x.length;p+=1){var m=x[p],h=m.feature,d=m.index,f=m.sourceLayerIndex;if(r.filter(h)){var g=void 0;n&&(g=r.getLayoutValue(\"text-field\",u,h.properties),r.isLayoutValueFeatureConstant(\"text-field\")&&(g=resolveTokens(h.properties,g)),g=transformText(g,r,u,h.properties));var b=void 0;if(s&&(b=r.getLayoutValue(\"icon-image\",u,h.properties),r.isLayoutValueFeatureConstant(\"icon-image\")&&(b=resolveTokens(h.properties,b))),(g||b)&&(o.features.push({text:g,icon:b,index:d,sourceLayerIndex:f,geometry:loadGeometry(h),properties:h.properties,type:vectorTileFeatureTypes[h.type]}),b&&(l[b]=!0),g))for(var A=\"map\"===a[\"text-rotation-alignment\"]&&\"line\"===a[\"symbol-placement\"],v=scriptDetection.allowsVerticalWritingMode(g),S=0;S<g.length;S++)if(c[g.charCodeAt(S)]=!0,A&&v){var I=verticalizePunctuation.lookup[g.charAt(S)];I&&(c[I.charCodeAt(0)]=!0)}}}\"line\"===a[\"symbol-placement\"]&&(this.features=mergeLines(this.features))}},SymbolBucket.prototype.isEmpty=function(){return 0===this.icon.layoutVertexArray.length&&0===this.text.layoutVertexArray.length&&0===this.collisionBox.layoutVertexArray.length},SymbolBucket.prototype.serialize=function(e){return{zoom:this.zoom,layerIds:this.layers.map(function(e){return e.id}),sdfIcons:this.sdfIcons,iconsNeedLinear:this.iconsNeedLinear,textSizeData:this.textSizeData,iconSizeData:this.iconSizeData,placedGlyphArray:this.placedGlyphArray.serialize(e),placedIconArray:this.placedIconArray.serialize(e),glyphOffsetArray:this.glyphOffsetArray.serialize(e),lineVertexArray:this.lineVertexArray.serialize(e),text:this.text.serialize(e),icon:this.icon.serialize(e),collisionBox:this.collisionBox.serialize(e)}},SymbolBucket.prototype.upload=function(e){this.text.upload(e),this.icon.upload(e),this.collisionBox.upload(e)},SymbolBucket.prototype.destroy=function(){this.text.destroy(),this.icon.destroy(),this.collisionBox.destroy()},SymbolBucket.prototype.prepare=function(e,t,o,r){var a=this;this.symbolInstances=[];var i=512*this.overscaling;this.tilePixelRatio=EXTENT/i,this.compareText={},this.iconsNeedLinear=!1;for(var n=this.layers[0].layout,s=24*n[\"text-line-height\"],l=n[\"text-font\"].join(\",\"),y=\"map\"===n[\"text-rotation-alignment\"]&&\"line\"===n[\"symbol-placement\"],c=e[l]||{},u=t[l]||{},p=0,x=a.features;p<x.length;p+=1){var m=x[p],h={},d=m.text;if(d){var f=a.layers[0].getLayoutValue(\"text-offset\",{zoom:a.zoom},m.properties).map(function(e){return 24*e}),g=24*a.layers[0].getLayoutValue(\"text-letter-spacing\",{zoom:a.zoom},m.properties),b=scriptDetection.allowsLetterSpacing(d)?g:0,A=a.layers[0].getLayoutValue(\"text-anchor\",{zoom:a.zoom},m.properties),v=a.layers[0].getLayoutValue(\"text-justify\",{zoom:a.zoom},m.properties),S=\"line\"!==n[\"symbol-placement\"]?24*a.layers[0].getLayoutValue(\"text-max-width\",{zoom:a.zoom},m.properties):0,I=function(e,t){return shapeText(e,c,S,s,A,v,b,f,24,t)};h[WritingMode.horizontal]=I(d,WritingMode.horizontal),scriptDetection.allowsVerticalWritingMode(d)&&y&&(h[WritingMode.vertical]=I(d,WritingMode.vertical))}var B=void 0;if(m.icon){var z=o[m.icon];z&&(B=shapeIcon(r[m.icon],a.layers[0].getLayoutValue(\"icon-offset\",{zoom:a.zoom},m.properties),a.layers[0].getLayoutValue(\"icon-anchor\",{zoom:a.zoom},m.properties)),void 0===a.sdfIcons?a.sdfIcons=z.sdf:a.sdfIcons!==z.sdf&&util.warnOnce(\"Style sheet warning: Cannot mix SDF and non-SDF icons in one buffer\"),z.pixelRatio!==a.pixelRatio?a.iconsNeedLinear=!0:0===n[\"icon-rotate\"]&&a.layers[0].isLayoutValueFeatureConstant(\"icon-rotate\")||(a.iconsNeedLinear=!0))}(h[WritingMode.horizontal]||B)&&a.addFeature(m,h,B,u)}},SymbolBucket.prototype.addFeature=function(e,t,o,r){var a=this,i=this.layers[0].getLayoutValue(\"text-size\",{zoom:this.zoom+1},e.properties),n=this.layers[0].getLayoutValue(\"icon-size\",{zoom:this.zoom+1},e.properties),s=this.layers[0].getLayoutValue(\"text-offset\",{zoom:this.zoom},e.properties),l=this.layers[0].getLayoutValue(\"icon-offset\",{zoom:this.zoom},e.properties),y=this.layers[0].getLayoutValue(\"text-size\",{zoom:18},e.properties);void 0===y&&(y=i);var c=this.layers[0].layout,u=i/24,p=this.tilePixelRatio*u,x=this.tilePixelRatio*y/24,m=this.tilePixelRatio*n,h=this.tilePixelRatio*c[\"symbol-spacing\"],d=c[\"symbol-avoid-edges\"],f=c[\"text-padding\"]*this.tilePixelRatio,g=c[\"icon-padding\"]*this.tilePixelRatio,b=c[\"text-max-angle\"]/180*Math.PI,A=\"map\"===c[\"text-rotation-alignment\"]&&\"line\"===c[\"symbol-placement\"],v=\"map\"===c[\"icon-rotation-alignment\"]&&\"line\"===c[\"symbol-placement\"],S=c[\"text-allow-overlap\"]||c[\"icon-allow-overlap\"]||c[\"text-ignore-placement\"]||c[\"icon-ignore-placement\"],I=c[\"symbol-placement\"],B=h/2,z=function(i,n){var y=!(n.x<0||n.x>EXTENT||n.y<0||n.y>EXTENT);if(!d||y){var c=y||S;a.addSymbolInstance(n,i,t,o,a.layers[0],c,a.collisionBoxArray,e.index,e.sourceLayerIndex,a.index,p,f,A,s,m,g,v,l,{zoom:a.zoom},e.properties,r)}};if(\"line\"===I)for(var V=0,L=clipLine(e.geometry,0,0,EXTENT,EXTENT);V<L.length;V+=1)for(var T=L[V],w=getAnchors(T,h,b,t[WritingMode.vertical]||t[WritingMode.horizontal],o,24,x,a.overscaling,EXTENT),M=0,C=w;M<C.length;M+=1){var _=C[M],k=t[WritingMode.horizontal];k&&a.anchorIsTooClose(k.text,B,_)||z(T,_)}else if(\"Polygon\"===e.type)for(var P=0,F=classifyRings(e.geometry,0);P<F.length;P+=1){var E=F[P],D=findPoleOfInaccessibility(E,16);z(E[0],new Anchor(D.x,D.y,0))}else if(\"LineString\"===e.type)for(var q=0,O=e.geometry;q<O.length;q+=1){var N=O[q];z(N,new Anchor(N[0].x,N[0].y,0))}else if(\"Point\"===e.type)for(var W=0,R=e.geometry;W<R.length;W+=1)for(var G=R[W],$=0,U=G;$<U.length;$+=1){var X=U[$];z([X],new Anchor(X.x,X.y,0))}},SymbolBucket.prototype.anchorIsTooClose=function(e,t,o){var r=this.compareText;if(e in r){for(var a=r[e],i=a.length-1;i>=0;i--)if(o.dist(a[i])<t)return!0}else r[e]=[];return r[e].push(o),!1},SymbolBucket.prototype.place=function(e,t){var o=this;this.text=new SymbolBuffers(symbolInterfaces.text,this.layers,this.zoom),this.icon=new SymbolBuffers(symbolInterfaces.icon,this.layers,this.zoom),this.collisionBox=new SymbolBuffers(symbolInterfaces.collisionBox,this.layers,this.zoom),this.placedGlyphArray=new PlacedSymbolArray,this.placedIconArray=new PlacedSymbolArray,this.glyphOffsetArray=new GlyphOffsetArray,this.lineVertexArray=new LineVertexArray;var r=this.layers[0],a=r.layout,i=e.maxScale,n=\"map\"===a[\"text-rotation-alignment\"]&&\"line\"===a[\"symbol-placement\"],s=\"map\"===a[\"icon-rotation-alignment\"]&&\"line\"===a[\"symbol-placement\"];if(a[\"text-allow-overlap\"]||a[\"icon-allow-overlap\"]||a[\"text-ignore-placement\"]||a[\"icon-ignore-placement\"]){var l=e.angle,y=Math.sin(l),c=Math.cos(l);this.symbolInstances.sort(function(e,t){return(y*e.anchor.x+c*e.anchor.y|0)-(y*t.anchor.x+c*t.anchor.y|0)||t.featureIndex-e.featureIndex})}for(var u=0,p=o.symbolInstances;u<p.length;u+=1){var x=p[u],m={boxStartIndex:x.textBoxStartIndex,boxEndIndex:x.textBoxEndIndex},h={boxStartIndex:x.iconBoxStartIndex,boxEndIndex:x.iconBoxEndIndex},d=!(x.textBoxStartIndex===x.textBoxEndIndex),f=!(x.iconBoxStartIndex===x.iconBoxEndIndex),g=a[\"text-optional\"]||!d,b=a[\"icon-optional\"]||!f,A=d?e.placeCollisionFeature(m,a[\"text-allow-overlap\"],a[\"symbol-avoid-edges\"]):e.minScale,v=f?e.placeCollisionFeature(h,a[\"icon-allow-overlap\"],a[\"symbol-avoid-edges\"]):e.minScale;if(g||b?!b&&A?A=Math.max(v,A):!g&&v&&(v=Math.max(v,A)):v=A=Math.max(v,A),d||f){for(var S=x.line,I=o.lineVertexArray.length,B=0;B<S.length;B++)o.lineVertexArray.emplaceBack(S[B].x,S[B].y);var z=o.lineVertexArray.length-I;if(d&&(e.insertCollisionFeature(m,A,a[\"text-ignore-placement\"]),A<=i)){var V=getSizeVertexData(r,o.zoom,o.textSizeData.coveringZoomRange,\"text-size\",x.featureProperties);o.addSymbols(o.text,x.glyphQuads,A,V,a[\"text-keep-upright\"],x.textOffset,n,e.angle,x.featureProperties,x.writingModes,x.anchor,I,z,o.placedGlyphArray)}if(f&&(e.insertCollisionFeature(h,v,a[\"icon-ignore-placement\"]),v<=i)){var L=getSizeVertexData(r,o.zoom,o.iconSizeData.coveringZoomRange,\"icon-size\",x.featureProperties);o.addSymbols(o.icon,x.iconQuads,v,L,a[\"icon-keep-upright\"],x.iconOffset,s,e.angle,x.featureProperties,0,x.anchor,I,z,o.placedIconArray)}}}t&&this.addToDebugBuffers(e)},SymbolBucket.prototype.addSymbols=function(e,t,o,r,a,i,n,s,l,y,c,u,p,x){for(var m=this,h=e.indexArray,d=e.layoutVertexArray,f=e.dynamicLayoutVertexArray,g=this.zoom,b=Math.max(Math.log(o)/Math.LN2+g,0),A=this.glyphOffsetArray.length,v=(c.angle+s+2*Math.PI)%(2*Math.PI),S=v>1*Math.PI/4&&v<=3*Math.PI/4||v>5*Math.PI/4&&v<=7*Math.PI/4,I=Boolean(y&WritingMode.vertical)&&S,B=0,z=t;B<z.length;B+=1){var V=z[B];if(!n||!a||V.writingMode===WritingMode.vertical===I){var L=V.tl,T=V.tr,w=V.bl,M=V.br,C=V.tex,_=e.segments.prepareSegment(4,e.layoutVertexArray,e.indexArray),k=_.vertexLength,P=V.glyphOffset[1];addVertex(d,c.x,c.y,L.x,P+L.y,C.x,C.y,r),addVertex(d,c.x,c.y,T.x,P+T.y,C.x+C.w,C.y,r),addVertex(d,c.x,c.y,w.x,P+w.y,C.x,C.y+C.h,r),addVertex(d,c.x,c.y,M.x,P+M.y,C.x+C.w,C.y+C.h,r),addDynamicAttributes(f,c,0,b),h.emplaceBack(k,k+1,k+2),h.emplaceBack(k+1,k+2,k+3),_.vertexLength+=4,_.primitiveLength+=2,m.glyphOffsetArray.emplaceBack(V.glyphOffset[0])}}x.emplaceBack(c.x,c.y,A,this.glyphOffsetArray.length-A,u,p,c.segment,r?r[0]:0,r?r[1]:0,i[0],i[1],b,I),e.programConfigurations.populatePaintArrays(e.layoutVertexArray.length,l)},SymbolBucket.prototype.addToDebugBuffers=function(e){for(var t=this,o=this.collisionBox,r=o.layoutVertexArray,a=o.indexArray,i=-e.angle,n=e.yStretch,s=0,l=t.symbolInstances;s<l.length;s+=1){var y=l[s];y.textCollisionFeature={boxStartIndex:y.textBoxStartIndex,boxEndIndex:y.textBoxEndIndex},y.iconCollisionFeature={boxStartIndex:y.iconBoxStartIndex,boxEndIndex:y.iconBoxEndIndex};for(var c=0;c<2;c++){var u=y[0===c?\"textCollisionFeature\":\"iconCollisionFeature\"];if(u)for(var p=u.boxStartIndex;p<u.boxEndIndex;p++){var x=t.collisionBoxArray.get(p);if(!(1===e.perspectiveRatio&&x.maxScale<1)){var m=x.anchorPoint,h=new Point(x.x1,x.y1*n)._rotate(i),d=new Point(x.x2,x.y1*n)._rotate(i),f=new Point(x.x1,x.y2*n)._rotate(i),g=new Point(x.x2,x.y2*n)._rotate(i),b=Math.max(0,Math.min(25,t.zoom+Math.log(x.maxScale)/Math.LN2)),A=Math.max(0,Math.min(25,t.zoom+Math.log(x.placementScale)/Math.LN2)),v=o.segments.prepareSegment(4,o.layoutVertexArray,o.indexArray),S=v.vertexLength;addCollisionBoxVertex(r,m,y.anchor,h,b,A),addCollisionBoxVertex(r,m,y.anchor,d,b,A),addCollisionBoxVertex(r,m,y.anchor,g,b,A),addCollisionBoxVertex(r,m,y.anchor,f,b,A),a.emplaceBack(S,S+1),a.emplaceBack(S+1,S+2),a.emplaceBack(S+2,S+3),a.emplaceBack(S+3,S),v.vertexLength+=4,v.primitiveLength+=4}}}}},SymbolBucket.prototype.addSymbolInstance=function(e,t,o,r,a,i,n,s,l,y,c,u,p,x,m,h,d,f,g,b,A){var v,S,I=[],B=[];for(var z in o){var V=parseInt(z,10);o[V]&&(B=B.concat(i?getGlyphQuads(e,o[V],a,p,g,b,A):[]),v=new CollisionFeature(n,t,e,s,l,y,o[V],c,u,p,!1))}var L=v?v.boxStartIndex:this.collisionBoxArray.length,T=v?v.boxEndIndex:this.collisionBoxArray.length;r&&(I=i?getIconQuads(e,r,a,d,o[WritingMode.horizontal],g,b):[],S=new CollisionFeature(n,t,e,s,l,y,r,m,h,d,!0));var w=S?S.boxStartIndex:this.collisionBoxArray.length,M=S?S.boxEndIndex:this.collisionBoxArray.length;T>SymbolBucket.MAX_INSTANCES&&util.warnOnce(\"Too many symbols being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907\"),M>SymbolBucket.MAX_INSTANCES&&util.warnOnce(\"Too many glyphs being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907\");var C=(o[WritingMode.vertical]?WritingMode.vertical:0)|(o[WritingMode.horizontal]?WritingMode.horizontal:0);this.symbolInstances.push({textBoxStartIndex:L,textBoxEndIndex:T,iconBoxStartIndex:w,iconBoxEndIndex:M,glyphQuads:B,iconQuads:I,textOffset:x,iconOffset:f,anchor:e,line:t,featureIndex:s,featureProperties:b,writingModes:C})},SymbolBucket.programInterfaces=symbolInterfaces,SymbolBucket.MAX_INSTANCES=65535,SymbolBucket.addDynamicAttributes=addDynamicAttributes,module.exports=SymbolBucket;\n},{\"../../gl/index_buffer\":61,\"../../gl/vertex_buffer\":62,\"../../shaders/encode_attribute\":85,\"../../symbol/anchor\":167,\"../../symbol/clip_line\":169,\"../../symbol/collision_feature\":171,\"../../symbol/get_anchors\":173,\"../../symbol/mergelines\":174,\"../../symbol/quads\":176,\"../../symbol/shaping\":177,\"../../symbol/transform_text\":179,\"../../util/classify_rings\":205,\"../../util/find_pole_of_inaccessibility\":211,\"../../util/script_detection\":218,\"../../util/struct_array\":220,\"../../util/token\":222,\"../../util/util\":223,\"../../util/verticalize_punctuation\":225,\"../extent\":48,\"../index_array_type\":50,\"../load_geometry\":51,\"../program_configuration\":53,\"../segment\":55,\"../vertex_array_type\":56,\"@mapbox/point-geometry\":2,\"@mapbox/vector-tile\":6}],48:[function(_dereq_,module,exports){\n\"use strict\";module.exports=8192;\n},{}],49:[function(_dereq_,module,exports){\n\"use strict\";function topDownFeatureComparator(e,r){return r-e}var Point=_dereq_(\"@mapbox/point-geometry\"),loadGeometry=_dereq_(\"./load_geometry\"),EXTENT=_dereq_(\"./extent\"),featureFilter=_dereq_(\"../style-spec/feature_filter\"),createStructArrayType=_dereq_(\"../util/struct_array\"),Grid=_dereq_(\"grid-index\"),DictionaryCoder=_dereq_(\"../util/dictionary_coder\"),vt=_dereq_(\"@mapbox/vector-tile\"),Protobuf=_dereq_(\"pbf\"),GeoJSONFeature=_dereq_(\"../util/vectortile_to_geojson\"),arraysIntersect=_dereq_(\"../util/util\").arraysIntersect,FeatureIndexArray=createStructArrayType({members:[{type:\"Uint32\",name:\"featureIndex\"},{type:\"Uint16\",name:\"sourceLayerIndex\"},{type:\"Uint16\",name:\"bucketIndex\"}]}),FeatureIndex=function(e,r,t,a){this.coord=e,this.overscaling=r,this.x=e.x,this.y=e.y,this.z=e.z-Math.log(r)/Math.LN2,this.grid=t||new Grid(EXTENT,16,0),this.featureIndexArray=a||new FeatureIndexArray};FeatureIndex.deserialize=function(e,r,t){var a=new FeatureIndex(e.coord,e.overscaling,new Grid(e.grid),new FeatureIndexArray(e.featureIndexArray));return a.rawTileData=r,a.bucketLayerIDs=e.bucketLayerIDs,a.setCollisionTile(t),a},FeatureIndex.prototype.insert=function(e,r,t,a,i){var n=this,o=this.featureIndexArray.length;this.featureIndexArray.emplaceBack(t,a,i);for(var s=0;s<r.length;s++){for(var u=r[s],y=[1/0,1/0,-1/0,-1/0],l=0;l<u.length;l++){var d=u[l];y[0]=Math.min(y[0],d.x),y[1]=Math.min(y[1],d.y),y[2]=Math.max(y[2],d.x),y[3]=Math.max(y[3],d.y)}n.grid.insert(o,y[0],y[1],y[2],y[3])}},FeatureIndex.prototype.setCollisionTile=function(e){this.collisionTile=e},FeatureIndex.prototype.serialize=function(e){var r=this.grid.toArrayBuffer();return e&&e.push(r),{coord:this.coord,overscaling:this.overscaling,grid:r,featureIndexArray:this.featureIndexArray.serialize(e),bucketLayerIDs:this.bucketLayerIDs}},FeatureIndex.prototype.query=function(e,r){this.vtLayers||(this.vtLayers=new vt.VectorTile(new Protobuf(this.rawTileData)).layers,this.sourceLayerCoder=new DictionaryCoder(this.vtLayers?Object.keys(this.vtLayers).sort():[\"_geojsonTileLayer\"]));for(var t={},a=e.params||{},i=EXTENT/e.tileSize/e.scale,n=featureFilter(a.filter),o=e.queryGeometry,s=e.additionalRadius*i,u=1/0,y=1/0,l=-1/0,d=-1/0,c=0;c<o.length;c++)for(var h=o[c],f=0;f<h.length;f++){var x=h[f];u=Math.min(u,x.x),y=Math.min(y,x.y),l=Math.max(l,x.x),d=Math.max(d,x.y)}var v=this.grid.query(u-s,y-s,l+s,d+s);v.sort(topDownFeatureComparator),this.filterMatching(t,v,this.featureIndexArray,o,n,a.layers,r,e.bearing,i);var I=this.collisionTile.queryRenderedSymbols(o,e.scale);return I.sort(),this.filterMatching(t,I,this.collisionTile.collisionBoxArray,o,n,a.layers,r,e.bearing,i),t},FeatureIndex.prototype.filterMatching=function(e,r,t,a,i,n,o,s,u){for(var y,l=this,d=0;d<r.length;d++){var c=r[d];if(c!==y){y=c;var h=t.get(c),f=l.bucketLayerIDs[h.bucketIndex];if(!n||arraysIntersect(n,f)){var x=l.sourceLayerCoder.decode(h.sourceLayerIndex),v=l.vtLayers[x],I=v.feature(h.featureIndex);if(i(I))for(var p=null,g=0;g<f.length;g++){var m=f[g];if(!(n&&n.indexOf(m)<0)){var F=o[m];if(F&&(\"symbol\"===F.type||(p||(p=loadGeometry(I)),F.queryIntersectsFeature(a,I,p,l.z,s,u)))){var b=new GeoJSONFeature(I,l.z,l.x,l.y);b.layer=F.serialize();var L=e[m];void 0===L&&(L=e[m]=[]),L.push({featureIndex:c,feature:b})}}}}}}},FeatureIndex.prototype.hasLayer=function(e){for(var r=this,t=0,a=r.bucketLayerIDs;t<a.length;t+=1)for(var i=a[t],n=0,o=i;n<o.length;n+=1){var s=o[n];if(e===s)return!0}return!1},module.exports=FeatureIndex;\n},{\"../style-spec/feature_filter\":110,\"../util/dictionary_coder\":207,\"../util/struct_array\":220,\"../util/util\":223,\"../util/vectortile_to_geojson\":224,\"./extent\":48,\"./load_geometry\":51,\"@mapbox/point-geometry\":2,\"@mapbox/vector-tile\":6,\"grid-index\":22,\"pbf\":29}],50:[function(_dereq_,module,exports){\n\"use strict\";function createIndexArrayType(e){return createStructArrayType({members:[{type:\"Uint16\",name:\"vertices\",components:e}]})}var createStructArrayType=_dereq_(\"../util/struct_array\");module.exports={LineIndexArray:createIndexArrayType(2),TriangleIndexArray:createIndexArrayType(3)};\n},{\"../util/struct_array\":220}],51:[function(_dereq_,module,exports){\n\"use strict\";function createBounds(e){return{min:-1*Math.pow(2,e-1),max:Math.pow(2,e-1)-1}}var util=_dereq_(\"../util/util\"),EXTENT=_dereq_(\"./extent\"),bounds=createBounds(16);module.exports=function(e){for(var t=EXTENT/e.extent,r=e.loadGeometry(),n=0;n<r.length;n++)for(var u=r[n],o=0;o<u.length;o++){var a=u[o];a.x=Math.round(a.x*t),a.y=Math.round(a.y*t),(a.x<bounds.min||a.x>bounds.max||a.y<bounds.min||a.y>bounds.max)&&util.warnOnce(\"Geometry exceeds allowed extent, reduce your vector tile buffer size\")}return r};\n},{\"../util/util\":223,\"./extent\":48}],52:[function(_dereq_,module,exports){\n\"use strict\";var createStructArrayType=_dereq_(\"../util/struct_array\"),PosArray=createStructArrayType({members:[{name:\"a_pos\",type:\"Int16\",components:2}]});module.exports=PosArray;\n},{\"../util/struct_array\":220}],53:[function(_dereq_,module,exports){\n\"use strict\";function packColor(r){return[packUint8ToFloat(255*r[0],255*r[1]),packUint8ToFloat(255*r[2],255*r[3])]}var createVertexArrayType=_dereq_(\"./vertex_array_type\"),interpolationFactor=_dereq_(\"../style-spec/function\").interpolationFactor,packUint8ToFloat=_dereq_(\"../shaders/encode_attribute\").packUint8ToFloat,VertexBuffer=_dereq_(\"../gl/vertex_buffer\"),ConstantBinder=function(r,t,o,e){this.name=r,this.type=t,this.property=o,this.useIntegerZoom=e};ConstantBinder.prototype.defines=function(){return[\"#define HAS_UNIFORM_u_\"+this.name]},ConstantBinder.prototype.populatePaintArray=function(){},ConstantBinder.prototype.setUniforms=function(r,t,o,e){var i=e.zoom,n=o.getPaintValue(this.property,{zoom:this.useIntegerZoom?Math.floor(i):i});\"color\"===this.type?r.uniform4fv(t.uniforms[\"u_\"+this.name],n):r.uniform1f(t.uniforms[\"u_\"+this.name],n)};var SourceFunctionBinder=function(r,t,o){this.name=r,this.type=t,this.property=o};SourceFunctionBinder.prototype.defines=function(){return[]},SourceFunctionBinder.prototype.populatePaintArray=function(r,t,o,e,i,n){var a=this,s=r.getPaintValue(this.property,void 0,n);if(\"color\"===this.type)for(var p=packColor(s),u=e;u<i;u++){var f=t.get(u);f[\"a_\"+a.name+\"0\"]=p[0],f[\"a_\"+a.name+\"1\"]=p[1]}else{for(var c=e;c<i;c++){t.get(c)[\"a_\"+a.name]=s}var m=o[this.property];m.max=Math.max(m.max,s)}},SourceFunctionBinder.prototype.setUniforms=function(r,t){r.uniform1f(t.uniforms[\"a_\"+this.name+\"_t\"],0)};var CompositeFunctionBinder=function(r,t,o,e,i){this.name=r,this.type=t,this.property=o,this.useIntegerZoom=e,this.zoom=i};CompositeFunctionBinder.prototype.defines=function(){return[]},CompositeFunctionBinder.prototype.populatePaintArray=function(r,t,o,e,i,n){var a=this,s=r.getPaintValue(this.property,{zoom:this.zoom},n),p=r.getPaintValue(this.property,{zoom:this.zoom+1},n);if(\"color\"===this.type)for(var u=packColor(s),f=packColor(p),c=e;c<i;c++){var m=t.get(c);m[\"a_\"+a.name+\"0\"]=u[0],m[\"a_\"+a.name+\"1\"]=u[1],m[\"a_\"+a.name+\"2\"]=f[0],m[\"a_\"+a.name+\"3\"]=f[1]}else{for(var y=e;y<i;y++){var g=t.get(y);g[\"a_\"+a.name+\"0\"]=s,g[\"a_\"+a.name+\"1\"]=p}var h=o[this.property];h.max=Math.max(h.max,s,p)}},CompositeFunctionBinder.prototype.setUniforms=function(r,t,o,e){var i=e.zoom,n=interpolationFactor(this.useIntegerZoom?Math.floor(i):i,1,this.zoom,this.zoom+1);r.uniform1f(t.uniforms[\"a_\"+this.name+\"_t\"],n)};var ProgramConfiguration=function(){this.binders={},this.cacheKey=\"\"};ProgramConfiguration.createDynamic=function(r,t,o){for(var e=new ProgramConfiguration,i=[],n=0,a=r.paintAttributes||[];n<a.length;n+=1){var s=a[n],p=s.property,u=s.useIntegerZoom||!1,f=s.name||p.replace(t.type+\"-\",\"\").replace(/-/g,\"_\"),c=t._paintSpecifications[p].type;t.isPaintValueFeatureConstant(p)?(e.binders[f]=new ConstantBinder(f,c,p,u),e.cacheKey+=\"/u_\"+f):t.isPaintValueZoomConstant(p)?(e.binders[f]=new SourceFunctionBinder(f,c,p),e.cacheKey+=\"/a_\"+f,i.push({name:\"a_\"+f,type:\"Float32\",components:\"color\"===c?2:1})):(e.binders[f]=new CompositeFunctionBinder(f,c,p,u,o),e.cacheKey+=\"/z_\"+f,i.push({name:\"a_\"+f,type:\"Float32\",components:\"color\"===c?4:2}))}return e.PaintVertexArray=createVertexArrayType(i),e.interface=r,e.layer=t,e},ProgramConfiguration.createBasicFill=function(){var r=new ProgramConfiguration;return r.binders.color=new ConstantBinder(\"color\",\"color\",\"fill-color\",!1),r.cacheKey+=\"/u_color\",r.binders.opacity=new ConstantBinder(\"opacity\",\"number\",\"fill-opacity\",!1),r.cacheKey+=\"/u_opacity\",r},ProgramConfiguration.prototype.createPaintPropertyStatistics=function(){var r=this,t={};for(var o in r.binders)t[r.binders[o].property]={max:-1/0};return t},ProgramConfiguration.prototype.populatePaintArray=function(r,t){var o=this,e=this.paintVertexArray;if(0!==e.bytesPerElement){var i=e.length;e.resize(r);for(var n in o.binders)o.binders[n].populatePaintArray(o.layer,e,o.paintPropertyStatistics,i,r,t)}},ProgramConfiguration.prototype.defines=function(){var r=this,t=[];for(var o in r.binders)t.push.apply(t,r.binders[o].defines());return t},ProgramConfiguration.prototype.setUniforms=function(r,t,o,e){var i=this;for(var n in i.binders)i.binders[n].setUniforms(r,t,o,e)},ProgramConfiguration.prototype.serialize=function(r){return 0===this.paintVertexArray.length?null:{array:this.paintVertexArray.serialize(r),type:this.paintVertexArray.constructor.serialize(),statistics:this.paintPropertyStatistics}},ProgramConfiguration.deserialize=function(r,t,o,e){var i=ProgramConfiguration.createDynamic(r,t,o);return e&&(i.PaintVertexArray=createVertexArrayType(e.type.members),i.paintVertexArray=new i.PaintVertexArray(e.array),i.paintPropertyStatistics=e.statistics),i},ProgramConfiguration.prototype.upload=function(r){this.paintVertexArray&&(this.paintVertexBuffer=new VertexBuffer(r,this.paintVertexArray))},ProgramConfiguration.prototype.destroy=function(){this.paintVertexBuffer&&this.paintVertexBuffer.destroy()};var ProgramConfigurationSet=function(r,t,o,e){var i=this;if(this.programConfigurations={},e)for(var n=0,a=t;n<a.length;n+=1){var s=a[n];i.programConfigurations[s.id]=ProgramConfiguration.deserialize(r,s,o,e[s.id])}else for(var p=0,u=t;p<u.length;p+=1){var f=u[p],c=ProgramConfiguration.createDynamic(r,f,o);c.paintVertexArray=new c.PaintVertexArray,c.paintPropertyStatistics=c.createPaintPropertyStatistics(),i.programConfigurations[f.id]=c}};ProgramConfigurationSet.prototype.populatePaintArrays=function(r,t){var o=this;for(var e in o.programConfigurations)o.programConfigurations[e].populatePaintArray(r,t)},ProgramConfigurationSet.prototype.serialize=function(r){var t=this,o={};for(var e in t.programConfigurations){var i=t.programConfigurations[e].serialize(r);i&&(o[e]=i)}return o},ProgramConfigurationSet.prototype.get=function(r){return this.programConfigurations[r]},ProgramConfigurationSet.prototype.upload=function(r){var t=this;for(var o in t.programConfigurations)t.programConfigurations[o].upload(r)},ProgramConfigurationSet.prototype.destroy=function(){var r=this;for(var t in r.programConfigurations)r.programConfigurations[t].destroy()},module.exports={ProgramConfiguration:ProgramConfiguration,ProgramConfigurationSet:ProgramConfigurationSet};\n},{\"../gl/vertex_buffer\":62,\"../shaders/encode_attribute\":85,\"../style-spec/function\":112,\"./vertex_array_type\":56}],54:[function(_dereq_,module,exports){\n\"use strict\";var createStructArrayType=_dereq_(\"../util/struct_array\"),RasterBoundsArray=createStructArrayType({members:[{name:\"a_pos\",type:\"Int16\",components:2},{name:\"a_texture_pos\",type:\"Int16\",components:2}]});module.exports=RasterBoundsArray;\n},{\"../util/struct_array\":220}],55:[function(_dereq_,module,exports){\n\"use strict\";var ref=_dereq_(\"../util/util\"),warnOnce=ref.warnOnce,MAX_VERTEX_ARRAY_LENGTH=Math.pow(2,16)-1,SegmentVector=function(e){void 0===e&&(e=[]),this.segments=e};SegmentVector.prototype.prepareSegment=function(e,t,r){var n=this.segments[this.segments.length-1];return e>MAX_VERTEX_ARRAY_LENGTH&&warnOnce(\"Max vertices per segment is \"+MAX_VERTEX_ARRAY_LENGTH+\": bucket requested \"+e),(!n||n.vertexLength+e>module.exports.MAX_VERTEX_ARRAY_LENGTH)&&(n={vertexOffset:t.length,primitiveOffset:r.length,vertexLength:0,primitiveLength:0},this.segments.push(n)),n},SegmentVector.prototype.get=function(){return this.segments},SegmentVector.prototype.destroy=function(){for(var e=this,t=0,r=e.segments;t<r.length;t+=1){var n=r[t];for(var s in n.vaos)n.vaos[s].destroy()}},module.exports={SegmentVector:SegmentVector,MAX_VERTEX_ARRAY_LENGTH:MAX_VERTEX_ARRAY_LENGTH};\n},{\"../util/util\":223}],56:[function(_dereq_,module,exports){\n\"use strict\";function createVertexArrayType(r){return createStructArrayType({members:r,alignment:4})}var createStructArrayType=_dereq_(\"../util/struct_array\");module.exports=createVertexArrayType;\n},{\"../util/struct_array\":220}],57:[function(_dereq_,module,exports){\n\"use strict\";var Coordinate=function(o,t,n){this.column=o,this.row=t,this.zoom=n};Coordinate.prototype.clone=function(){return new Coordinate(this.column,this.row,this.zoom)},Coordinate.prototype.zoomTo=function(o){return this.clone()._zoomTo(o)},Coordinate.prototype.sub=function(o){return this.clone()._sub(o)},Coordinate.prototype._zoomTo=function(o){var t=Math.pow(2,o-this.zoom);return this.column*=t,this.row*=t,this.zoom=o,this},Coordinate.prototype._sub=function(o){return o=o.zoomTo(this.zoom),this.column-=o.column,this.row-=o.row,this},module.exports=Coordinate;\n},{}],58:[function(_dereq_,module,exports){\n\"use strict\";var wrap=_dereq_(\"../util/util\").wrap,LngLat=function(t,n){if(isNaN(t)||isNaN(n))throw new Error(\"Invalid LngLat object: (\"+t+\", \"+n+\")\");if(this.lng=+t,this.lat=+n,this.lat>90||this.lat<-90)throw new Error(\"Invalid LngLat latitude value: must be between -90 and 90\")};LngLat.prototype.wrap=function(){return new LngLat(wrap(this.lng,-180,180),this.lat)},LngLat.prototype.toArray=function(){return[this.lng,this.lat]},LngLat.prototype.toString=function(){return\"LngLat(\"+this.lng+\", \"+this.lat+\")\"},LngLat.prototype.toBounds=function(t){var n=360*t/40075017,r=n/Math.cos(Math.PI/180*this.lat);return new(_dereq_(\"./lng_lat_bounds\"))(new LngLat(this.lng-r,this.lat-n),new LngLat(this.lng+r,this.lat+n))},LngLat.convert=function(t){if(t instanceof LngLat)return t;if(Array.isArray(t)&&2===t.length)return new LngLat(Number(t[0]),Number(t[1]));if(!Array.isArray(t)&&\"object\"==typeof t&&null!==t)return new LngLat(Number(t.lng),Number(t.lat));throw new Error(\"`LngLatLike` argument must be specified as a LngLat instance, an object {lng: <lng>, lat: <lat>}, or an array of [<lng>, <lat>]\")},module.exports=LngLat;\n},{\"../util/util\":223,\"./lng_lat_bounds\":59}],59:[function(_dereq_,module,exports){\n\"use strict\";var LngLat=_dereq_(\"./lng_lat\"),LngLatBounds=function(t,n){t&&(n?this.setSouthWest(t).setNorthEast(n):4===t.length?this.setSouthWest([t[0],t[1]]).setNorthEast([t[2],t[3]]):this.setSouthWest(t[0]).setNorthEast(t[1]))};LngLatBounds.prototype.setNorthEast=function(t){return this._ne=t instanceof LngLat?new LngLat(t.lng,t.lat):LngLat.convert(t),this},LngLatBounds.prototype.setSouthWest=function(t){return this._sw=t instanceof LngLat?new LngLat(t.lng,t.lat):LngLat.convert(t),this},LngLatBounds.prototype.extend=function(t){var n,e,s=this._sw,o=this._ne;if(t instanceof LngLat)n=t,e=t;else{if(!(t instanceof LngLatBounds))return Array.isArray(t)?t.every(Array.isArray)?this.extend(LngLatBounds.convert(t)):this.extend(LngLat.convert(t)):this;if(n=t._sw,e=t._ne,!n||!e)return this}return s||o?(s.lng=Math.min(n.lng,s.lng),s.lat=Math.min(n.lat,s.lat),o.lng=Math.max(e.lng,o.lng),o.lat=Math.max(e.lat,o.lat)):(this._sw=new LngLat(n.lng,n.lat),this._ne=new LngLat(e.lng,e.lat)),this},LngLatBounds.prototype.getCenter=function(){return new LngLat((this._sw.lng+this._ne.lng)/2,(this._sw.lat+this._ne.lat)/2)},LngLatBounds.prototype.getSouthWest=function(){return this._sw},LngLatBounds.prototype.getNorthEast=function(){return this._ne},LngLatBounds.prototype.getNorthWest=function(){return new LngLat(this.getWest(),this.getNorth())},LngLatBounds.prototype.getSouthEast=function(){return new LngLat(this.getEast(),this.getSouth())},LngLatBounds.prototype.getWest=function(){return this._sw.lng},LngLatBounds.prototype.getSouth=function(){return this._sw.lat},LngLatBounds.prototype.getEast=function(){return this._ne.lng},LngLatBounds.prototype.getNorth=function(){return this._ne.lat},LngLatBounds.prototype.toArray=function(){return[this._sw.toArray(),this._ne.toArray()]},LngLatBounds.prototype.toString=function(){return\"LngLatBounds(\"+this._sw.toString()+\", \"+this._ne.toString()+\")\"},LngLatBounds.convert=function(t){return!t||t instanceof LngLatBounds?t:new LngLatBounds(t)},module.exports=LngLatBounds;\n},{\"./lng_lat\":58}],60:[function(_dereq_,module,exports){\n\"use strict\";var LngLat=_dereq_(\"./lng_lat\"),Point=_dereq_(\"@mapbox/point-geometry\"),Coordinate=_dereq_(\"./coordinate\"),util=_dereq_(\"../util/util\"),interp=_dereq_(\"../style-spec/util/interpolate\"),TileCoord=_dereq_(\"../source/tile_coord\"),EXTENT=_dereq_(\"../data/extent\"),glmatrix=_dereq_(\"@mapbox/gl-matrix\"),vec4=glmatrix.vec4,mat4=glmatrix.mat4,mat2=glmatrix.mat2,Transform=function(t,o,i){this.tileSize=512,this._renderWorldCopies=void 0===i||i,this._minZoom=t||0,this._maxZoom=o||22,this.latRange=[-85.05113,85.05113],this.width=0,this.height=0,this._center=new LngLat(0,0),this.zoom=0,this.angle=0,this._fov=.6435011087932844,this._pitch=0,this._unmodified=!0},prototypeAccessors={minZoom:{},maxZoom:{},renderWorldCopies:{},worldSize:{},centerPoint:{},size:{},bearing:{},pitch:{},fov:{},zoom:{},center:{},unmodified:{},x:{},y:{},point:{}};prototypeAccessors.minZoom.get=function(){return this._minZoom},prototypeAccessors.minZoom.set=function(t){this._minZoom!==t&&(this._minZoom=t,this.zoom=Math.max(this.zoom,t))},prototypeAccessors.maxZoom.get=function(){return this._maxZoom},prototypeAccessors.maxZoom.set=function(t){this._maxZoom!==t&&(this._maxZoom=t,this.zoom=Math.min(this.zoom,t))},prototypeAccessors.renderWorldCopies.get=function(){return this._renderWorldCopies},prototypeAccessors.worldSize.get=function(){return this.tileSize*this.scale},prototypeAccessors.centerPoint.get=function(){return this.size._div(2)},prototypeAccessors.size.get=function(){return new Point(this.width,this.height)},prototypeAccessors.bearing.get=function(){return-this.angle/Math.PI*180},prototypeAccessors.bearing.set=function(t){var o=-util.wrap(t,-180,180)*Math.PI/180;this.angle!==o&&(this._unmodified=!1,this.angle=o,this._calcMatrices(),this.rotationMatrix=mat2.create(),mat2.rotate(this.rotationMatrix,this.rotationMatrix,this.angle))},prototypeAccessors.pitch.get=function(){return this._pitch/Math.PI*180},prototypeAccessors.pitch.set=function(t){var o=util.clamp(t,0,60)/180*Math.PI;this._pitch!==o&&(this._unmodified=!1,this._pitch=o,this._calcMatrices())},prototypeAccessors.fov.get=function(){return this._fov/Math.PI*180},prototypeAccessors.fov.set=function(t){t=Math.max(.01,Math.min(60,t)),this._fov!==t&&(this._unmodified=!1,this._fov=t/180*Math.PI,this._calcMatrices())},prototypeAccessors.zoom.get=function(){return this._zoom},prototypeAccessors.zoom.set=function(t){var o=Math.min(Math.max(t,this.minZoom),this.maxZoom);this._zoom!==o&&(this._unmodified=!1,this._zoom=o,this.scale=this.zoomScale(o),this.tileZoom=Math.floor(o),this.zoomFraction=o-this.tileZoom,this._constrain(),this._calcMatrices())},prototypeAccessors.center.get=function(){return this._center},prototypeAccessors.center.set=function(t){t.lat===this._center.lat&&t.lng===this._center.lng||(this._unmodified=!1,this._center=t,this._constrain(),this._calcMatrices())},Transform.prototype.coveringZoomLevel=function(t){return(t.roundZoom?Math.round:Math.floor)(this.zoom+this.scaleZoom(this.tileSize/t.tileSize))},Transform.prototype.getVisibleWrappedCoordinates=function(t){for(var o=this.pointCoordinate(new Point(0,0),0),i=this.pointCoordinate(new Point(this.width,0),0),e=Math.floor(o.column),r=Math.floor(i.column),n=[t],s=e;s<=r;s++)0!==s&&n.push(new TileCoord(t.z,t.x,t.y,s));return n},Transform.prototype.coveringTiles=function(t){var o=this.coveringZoomLevel(t),i=o;if(void 0!==t.minzoom&&o<t.minzoom)return[];void 0!==t.maxzoom&&o>t.maxzoom&&(o=t.maxzoom);var e=this.pointCoordinate(this.centerPoint,o),r=new Point(e.column-.5,e.row-.5),n=[this.pointCoordinate(new Point(0,0),o),this.pointCoordinate(new Point(this.width,0),o),this.pointCoordinate(new Point(this.width,this.height),o),this.pointCoordinate(new Point(0,this.height),o)];return TileCoord.cover(o,n,t.reparseOverscaled?i:o,this._renderWorldCopies).sort(function(t,o){return r.dist(t)-r.dist(o)})},Transform.prototype.resize=function(t,o){this.width=t,this.height=o,this.pixelsToGLUnits=[2/t,-2/o],this._constrain(),this._calcMatrices()},prototypeAccessors.unmodified.get=function(){return this._unmodified},Transform.prototype.zoomScale=function(t){return Math.pow(2,t)},Transform.prototype.scaleZoom=function(t){return Math.log(t)/Math.LN2},Transform.prototype.project=function(t){return new Point(this.lngX(t.lng),this.latY(t.lat))},Transform.prototype.unproject=function(t){return new LngLat(this.xLng(t.x),this.yLat(t.y))},prototypeAccessors.x.get=function(){return this.lngX(this.center.lng)},prototypeAccessors.y.get=function(){return this.latY(this.center.lat)},prototypeAccessors.point.get=function(){return new Point(this.x,this.y)},Transform.prototype.lngX=function(t){return(180+t)*this.worldSize/360},Transform.prototype.latY=function(t){return(180-180/Math.PI*Math.log(Math.tan(Math.PI/4+t*Math.PI/360)))*this.worldSize/360},Transform.prototype.xLng=function(t){return 360*t/this.worldSize-180},Transform.prototype.yLat=function(t){var o=180-360*t/this.worldSize;return 360/Math.PI*Math.atan(Math.exp(o*Math.PI/180))-90},Transform.prototype.setLocationAtPoint=function(t,o){var i=this.pointCoordinate(o)._sub(this.pointCoordinate(this.centerPoint));this.center=this.coordinateLocation(this.locationCoordinate(t)._sub(i)),this._renderWorldCopies&&(this.center=this.center.wrap())},Transform.prototype.locationPoint=function(t){return this.coordinatePoint(this.locationCoordinate(t))},Transform.prototype.pointLocation=function(t){return this.coordinateLocation(this.pointCoordinate(t))},Transform.prototype.locationCoordinate=function(t){return new Coordinate(this.lngX(t.lng)/this.tileSize,this.latY(t.lat)/this.tileSize,this.zoom).zoomTo(this.tileZoom)},Transform.prototype.coordinateLocation=function(t){var o=t.zoomTo(this.zoom);return new LngLat(this.xLng(o.column*this.tileSize),this.yLat(o.row*this.tileSize))},Transform.prototype.pointCoordinate=function(t,o){void 0===o&&(o=this.tileZoom);var i=[t.x,t.y,0,1],e=[t.x,t.y,1,1];vec4.transformMat4(i,i,this.pixelMatrixInverse),vec4.transformMat4(e,e,this.pixelMatrixInverse);var r=i[3],n=e[3],s=i[0]/r,a=e[0]/n,h=i[1]/r,c=e[1]/n,m=i[2]/r,p=e[2]/n,l=m===p?0:(0-m)/(p-m);return new Coordinate(interp(s,a,l)/this.tileSize,interp(h,c,l)/this.tileSize,this.zoom)._zoomTo(o)},Transform.prototype.coordinatePoint=function(t){var o=t.zoomTo(this.zoom),i=[o.column*this.tileSize,o.row*this.tileSize,0,1];return vec4.transformMat4(i,i,this.pixelMatrix),new Point(i[0]/i[3],i[1]/i[3])},Transform.prototype.calculatePosMatrix=function(t,o){var i=t.toCoordinate(o),e=this.worldSize/this.zoomScale(i.zoom),r=mat4.identity(new Float64Array(16));return mat4.translate(r,r,[i.column*e,i.row*e,0]),mat4.scale(r,r,[e/EXTENT,e/EXTENT,1]),mat4.multiply(r,this.projMatrix,r),new Float32Array(r)},Transform.prototype.cameraToTileDistance=function(t){var o=this.calculatePosMatrix(t.coord,t.sourceMaxZoom),i=[t.tileSize/2,t.tileSize/2,0,1];return vec4.transformMat4(i,i,o),i[3]},Transform.prototype._constrain=function(){if(this.center&&this.width&&this.height&&!this._constraining){this._constraining=!0;var t,o,i,e,r=-90,n=90,s=-180,a=180,h=this.size,c=this._unmodified;if(this.latRange){var m=this.latRange;r=this.latY(m[1]),n=this.latY(m[0]),t=n-r<h.y?h.y/(n-r):0}if(this.lngRange){var p=this.lngRange;s=this.lngX(p[0]),a=this.lngX(p[1]),o=a-s<h.x?h.x/(a-s):0}var l=Math.max(o||0,t||0);if(l)return this.center=this.unproject(new Point(o?(a+s)/2:this.x,t?(n+r)/2:this.y)),this.zoom+=this.scaleZoom(l),this._unmodified=c,void(this._constraining=!1);if(this.latRange){var u=this.y,f=h.y/2;u-f<r&&(e=r+f),u+f>n&&(e=n-f)}if(this.lngRange){var d=this.x,g=h.x/2;d-g<s&&(i=s+g),d+g>a&&(i=a-g)}void 0===i&&void 0===e||(this.center=this.unproject(new Point(void 0!==i?i:this.x,void 0!==e?e:this.y))),this._unmodified=c,this._constraining=!1}},Transform.prototype._calcMatrices=function(){if(this.height){this.cameraToCenterDistance=.5/Math.tan(this._fov/2)*this.height;var t=this._fov/2,o=Math.PI/2+this._pitch,i=Math.sin(t)*this.cameraToCenterDistance/Math.sin(Math.PI-o-t),e=Math.cos(Math.PI/2-this._pitch)*i+this.cameraToCenterDistance,r=1.01*e,n=new Float64Array(16);mat4.perspective(n,this._fov,this.width/this.height,1,r),mat4.scale(n,n,[1,-1,1]),mat4.translate(n,n,[0,0,-this.cameraToCenterDistance]),mat4.rotateX(n,n,this._pitch),mat4.rotateZ(n,n,this.angle),mat4.translate(n,n,[-this.x,-this.y,0]);var s=this.worldSize/(2*Math.PI*6378137*Math.abs(Math.cos(this.center.lat*(Math.PI/180))));if(mat4.scale(n,n,[1,1,s,1]),this.projMatrix=n,n=mat4.create(),mat4.scale(n,n,[this.width/2,-this.height/2,1]),mat4.translate(n,n,[1,-1,0]),this.pixelMatrix=mat4.multiply(new Float64Array(16),n,this.projMatrix),!(n=mat4.invert(new Float64Array(16),this.pixelMatrix)))throw new Error(\"failed to invert matrix\");this.pixelMatrixInverse=n}},Object.defineProperties(Transform.prototype,prototypeAccessors),module.exports=Transform;\n},{\"../data/extent\":48,\"../source/tile_coord\":101,\"../style-spec/util/interpolate\":127,\"../util/util\":223,\"./coordinate\":57,\"./lng_lat\":58,\"@mapbox/gl-matrix\":1,\"@mapbox/point-geometry\":2}],61:[function(_dereq_,module,exports){\n\"use strict\";var IndexBuffer=function(e,r){this.gl=e,this.buffer=e.createBuffer(),void 0===e.extVertexArrayObject&&(e.extVertexArrayObject=e.getExtension(\"OES_vertex_array_object\")),e.extVertexArrayObject&&e.extVertexArrayObject.bindVertexArrayOES(null),e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,this.buffer),e.bufferData(e.ELEMENT_ARRAY_BUFFER,r.arrayBuffer,e.STATIC_DRAW),delete r.arrayBuffer};IndexBuffer.prototype.bind=function(){this.gl.bindBuffer(this.gl.ELEMENT_ARRAY_BUFFER,this.buffer)},IndexBuffer.prototype.destroy=function(){this.buffer&&(this.gl.deleteBuffer(this.buffer),delete this.buffer)},module.exports=IndexBuffer;\n},{}],62:[function(_dereq_,module,exports){\n\"use strict\";var AttributeType={Int8:\"BYTE\",Uint8:\"UNSIGNED_BYTE\",Int16:\"SHORT\",Uint16:\"UNSIGNED_SHORT\",Int32:\"INT\",Uint32:\"UNSIGNED_INT\",Float32:\"FLOAT\"},VertexBuffer=function(t,e,r){this.length=e.length,this.attributes=e.members,this.itemSize=e.bytesPerElement,this.dynamicDraw=r,this.gl=t,this.buffer=t.createBuffer(),this.gl.bindBuffer(t.ARRAY_BUFFER,this.buffer),this.gl.bufferData(t.ARRAY_BUFFER,e.arrayBuffer,this.dynamicDraw?t.DYNAMIC_DRAW:t.STATIC_DRAW),this.dynamicDraw||delete e.arrayBuffer};VertexBuffer.prototype.bind=function(){this.gl.bindBuffer(this.gl.ARRAY_BUFFER,this.buffer)},VertexBuffer.prototype.updateData=function(t){this.bind(),this.gl.bufferSubData(this.gl.ARRAY_BUFFER,0,t.arrayBuffer)},VertexBuffer.prototype.enableAttributes=function(t,e){for(var r=this,i=0;i<this.attributes.length;i++){var f=r.attributes[i],s=e.attributes[f.name];void 0!==s&&t.enableVertexAttribArray(s)}},VertexBuffer.prototype.setVertexAttribPointers=function(t,e,r){for(var i=this,f=0;f<this.attributes.length;f++){var s=i.attributes[f],u=e.attributes[s.name];void 0!==u&&t.vertexAttribPointer(u,s.components,t[AttributeType[s.type]],!1,i.itemSize,s.offset+i.itemSize*(r||0))}},VertexBuffer.prototype.destroy=function(){this.buffer&&(this.gl.deleteBuffer(this.buffer),delete this.buffer)},module.exports=VertexBuffer;\n},{}],63:[function(_dereq_,module,exports){\n\"use strict\";var supported=_dereq_(\"mapbox-gl-supported\"),browser=_dereq_(\"./util/browser\"),version=_dereq_(\"../package.json\").version,Map=_dereq_(\"./ui/map\"),NavigationControl=_dereq_(\"./ui/control/navigation_control\"),GeolocateControl=_dereq_(\"./ui/control/geolocate_control\"),AttributionControl=_dereq_(\"./ui/control/attribution_control\"),ScaleControl=_dereq_(\"./ui/control/scale_control\"),FullscreenControl=_dereq_(\"./ui/control/fullscreen_control\"),Popup=_dereq_(\"./ui/popup\"),Marker=_dereq_(\"./ui/marker\"),Style=_dereq_(\"./style/style\"),LngLat=_dereq_(\"./geo/lng_lat\"),LngLatBounds=_dereq_(\"./geo/lng_lat_bounds\"),Point=_dereq_(\"@mapbox/point-geometry\"),Evented=_dereq_(\"./util/evented\"),config=_dereq_(\"./util/config\"),rtlTextPlugin=_dereq_(\"./source/rtl_text_plugin\");module.exports={version:version,supported:supported,workerCount:Math.max(Math.floor(browser.hardwareConcurrency/2),1),setRTLTextPlugin:rtlTextPlugin.setRTLTextPlugin,Map:Map,NavigationControl:NavigationControl,GeolocateControl:GeolocateControl,AttributionControl:AttributionControl,ScaleControl:ScaleControl,FullscreenControl:FullscreenControl,Popup:Popup,Marker:Marker,Style:Style,LngLat:LngLat,LngLatBounds:LngLatBounds,Point:Point,Evented:Evented,config:config,get accessToken(){return config.ACCESS_TOKEN},set accessToken(o){config.ACCESS_TOKEN=o}};\n},{\"../package.json\":41,\"./geo/lng_lat\":58,\"./geo/lng_lat_bounds\":59,\"./source/rtl_text_plugin\":96,\"./style/style\":156,\"./ui/control/attribution_control\":182,\"./ui/control/fullscreen_control\":183,\"./ui/control/geolocate_control\":184,\"./ui/control/navigation_control\":186,\"./ui/control/scale_control\":187,\"./ui/map\":197,\"./ui/marker\":198,\"./ui/popup\":199,\"./util/browser\":202,\"./util/config\":206,\"./util/evented\":210,\"@mapbox/point-geometry\":2,\"mapbox-gl-supported\":28}],64:[function(_dereq_,module,exports){\n\"use strict\";function drawBackground(r,t,e){var i=r.gl,a=r.transform,n=a.tileSize,o=e.paint[\"background-color\"],l=e.paint[\"background-pattern\"],u=e.paint[\"background-opacity\"],f=l||1!==o[3]||1!==u?\"translucent\":\"opaque\";if(r.renderPass===f){i.disable(i.STENCIL_TEST),r.setDepthSublayer(0);var s;if(l){if(pattern.isPatternMissing(l,r))return;s=r.useProgram(\"fillPattern\",r.basicFillProgramConfiguration),pattern.prepare(l,r,s),r.tileExtentPatternVAO.bind(i,s,r.tileExtentBuffer)}else s=r.useProgram(\"fill\",r.basicFillProgramConfiguration),i.uniform4fv(s.uniforms.u_color,o),r.tileExtentVAO.bind(i,s,r.tileExtentBuffer);i.uniform1f(s.uniforms.u_opacity,u);for(var c=a.coveringTiles({tileSize:n}),g=0,p=c;g<p.length;g+=1){var d=p[g];l&&pattern.setTile({coord:d,tileSize:n},r,s),i.uniformMatrix4fv(s.uniforms.u_matrix,!1,r.transform.calculatePosMatrix(d)),i.drawArrays(i.TRIANGLE_STRIP,0,r.tileExtentBuffer.length)}}}var pattern=_dereq_(\"./pattern\");module.exports=drawBackground;\n},{\"./pattern\":80}],65:[function(_dereq_,module,exports){\n\"use strict\";function drawCircles(r,i,e,t){if(\"translucent\"===r.renderPass){var a=r.gl;r.setDepthSublayer(0),r.depthMask(!1),a.disable(a.STENCIL_TEST);for(var s=0;s<t.length;s++){var o=t[s],n=i.getTile(o),u=n.getBucket(e);if(u){var m=u.programConfigurations.get(e.id),f=r.useProgram(\"circle\",m);if(m.setUniforms(a,f,e,{zoom:r.transform.zoom}),a.uniform1f(f.uniforms.u_camera_to_center_distance,r.transform.cameraToCenterDistance),a.uniform1i(f.uniforms.u_scale_with_map,\"map\"===e.paint[\"circle-pitch-scale\"]?1:0),\"map\"===e.paint[\"circle-pitch-alignment\"]){a.uniform1i(f.uniforms.u_pitch_with_map,1);var l=pixelsToTileUnits(n,1,r.transform.zoom);a.uniform2f(f.uniforms.u_extrude_scale,l,l)}else a.uniform1i(f.uniforms.u_pitch_with_map,0),a.uniform2fv(f.uniforms.u_extrude_scale,r.transform.pixelsToGLUnits);a.uniform1f(f.uniforms.u_devicepixelratio,browser.devicePixelRatio),a.uniformMatrix4fv(f.uniforms.u_matrix,!1,r.translatePosMatrix(o.posMatrix,n,e.paint[\"circle-translate\"],e.paint[\"circle-translate-anchor\"])),f.draw(a,a.TRIANGLES,e.id,u.layoutVertexBuffer,u.indexBuffer,u.segments,m)}}}}var browser=_dereq_(\"../util/browser\"),pixelsToTileUnits=_dereq_(\"../source/pixels_to_tile_units\");module.exports=drawCircles;\n},{\"../source/pixels_to_tile_units\":93,\"../util/browser\":202}],66:[function(_dereq_,module,exports){\n\"use strict\";function drawCollisionDebug(o,i,r,e){var n=o.gl;n.enable(n.STENCIL_TEST);var t=o.useProgram(\"collisionBox\");n.activeTexture(n.TEXTURE1),o.frameHistory.bind(n),n.uniform1i(t.uniforms.u_fadetexture,1);for(var a=0;a<e.length;a++){var f=e[a],u=i.getTile(f),m=u.getBucket(r);if(m){n.uniformMatrix4fv(t.uniforms.u_matrix,!1,f.posMatrix),o.enableTileClippingMask(f),o.lineWidth(1),n.uniform1f(t.uniforms.u_scale,Math.pow(2,o.transform.zoom-u.coord.z)),n.uniform1f(t.uniforms.u_zoom,10*o.transform.zoom);var s=Math.max(0,Math.min(25,u.coord.z+Math.log(u.collisionTile.maxScale)/Math.LN2));n.uniform1f(t.uniforms.u_maxzoom,10*s),n.uniform1f(t.uniforms.u_collision_y_stretch,u.collisionTile.yStretch),n.uniform1f(t.uniforms.u_pitch,o.transform.pitch/360*2*Math.PI),n.uniform1f(t.uniforms.u_camera_to_center_distance,o.transform.cameraToCenterDistance),t.draw(n,n.LINES,r.id,m.collisionBox.layoutVertexBuffer,m.collisionBox.indexBuffer,m.collisionBox.segments)}}}module.exports=drawCollisionDebug;\n},{}],67:[function(_dereq_,module,exports){\n\"use strict\";function drawDebug(r,e,t){for(var a=0;a<t.length;a++)drawDebugTile(r,e,t[a])}function drawDebugTile(r,e,t){var a=r.gl;a.disable(a.STENCIL_TEST),r.lineWidth(1*browser.devicePixelRatio);var i=t.posMatrix,u=r.useProgram(\"debug\");a.uniformMatrix4fv(u.uniforms.u_matrix,!1,i),a.uniform4f(u.uniforms.u_color,1,0,0,1),r.debugVAO.bind(a,u,r.debugBuffer),a.drawArrays(a.LINE_STRIP,0,r.debugBuffer.length);for(var o=createTextVerticies(t.toString(),50,200,5),n=new PosArray,f=0;f<o.length;f+=2)n.emplaceBack(o[f],o[f+1]);var l=new VertexBuffer(a,n);(new VertexArrayObject).bind(a,u,l),a.uniform4f(u.uniforms.u_color,1,1,1,1);for(var s=e.getTile(t).tileSize,m=EXTENT/(Math.pow(2,r.transform.zoom-t.z)*s),x=[[-1,-1],[-1,1],[1,-1],[1,1]],g=0;g<x.length;g++){var b=x[g];a.uniformMatrix4fv(u.uniforms.u_matrix,!1,mat4.translate([],i,[m*b[0],m*b[1],0])),a.drawArrays(a.LINES,0,l.length)}a.uniform4f(u.uniforms.u_color,0,0,0,1),a.uniformMatrix4fv(u.uniforms.u_matrix,!1,i),a.drawArrays(a.LINES,0,l.length)}function createTextVerticies(r,e,t,a){a=a||1;var i,u,o,n,f,l,s,m,x=[];for(i=0,u=r.length;i<u;i++)if(f=simplexFont[r[i]]){for(m=null,o=0,n=f[1].length;o<n;o+=2)-1===f[1][o]&&-1===f[1][o+1]?m=null:(l=e+f[1][o]*a,s=t-f[1][o+1]*a,m&&x.push(m.x,m.y,l,s),m={x:l,y:s});e+=f[0]*a}return x}var browser=_dereq_(\"../util/browser\"),mat4=_dereq_(\"@mapbox/gl-matrix\").mat4,EXTENT=_dereq_(\"../data/extent\"),VertexBuffer=_dereq_(\"../gl/vertex_buffer\"),VertexArrayObject=_dereq_(\"./vertex_array_object\"),PosArray=_dereq_(\"../data/pos_array\");module.exports=drawDebug;var simplexFont={\" 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strict\";function drawFill(r,t,e,a){var i=r.gl;i.enable(i.STENCIL_TEST);var l=!e.paint[\"fill-pattern\"]&&e.isPaintValueFeatureConstant(\"fill-color\")&&e.isPaintValueFeatureConstant(\"fill-opacity\")&&1===e.paint[\"fill-color\"][3]&&1===e.paint[\"fill-opacity\"]?\"opaque\":\"translucent\";r.renderPass===l&&(r.setDepthSublayer(1),r.depthMask(\"opaque\"===r.renderPass),drawFillTiles(r,t,e,a,drawFillTile)),\"translucent\"===r.renderPass&&e.paint[\"fill-antialias\"]&&(r.lineWidth(2),r.depthMask(!1),r.setDepthSublayer(e.getPaintProperty(\"fill-outline-color\")?2:0),drawFillTiles(r,t,e,a,drawStrokeTile))}function drawFillTiles(r,t,e,a,i){if(!pattern.isPatternMissing(e.paint[\"fill-pattern\"],r))for(var l=!0,n=0,o=a;n<o.length;n+=1){var s=o[n],f=t.getTile(s),u=f.getBucket(e);u&&(r.enableTileClippingMask(s),i(r,t,e,f,s,u,l),l=!1)}}function drawFillTile(r,t,e,a,i,l,n){var o=r.gl,s=l.programConfigurations.get(e.id);setFillProgram(\"fill\",e.paint[\"fill-pattern\"],r,s,e,a,i,n).draw(o,o.TRIANGLES,e.id,l.layoutVertexBuffer,l.indexBuffer,l.segments,s)}function drawStrokeTile(r,t,e,a,i,l,n){var o=r.gl,s=l.programConfigurations.get(e.id),f=e.paint[\"fill-pattern\"]&&!e.getPaintProperty(\"fill-outline-color\"),u=setFillProgram(\"fillOutline\",f,r,s,e,a,i,n);o.uniform2f(u.uniforms.u_world,o.drawingBufferWidth,o.drawingBufferHeight),u.draw(o,o.LINES,e.id,l.layoutVertexBuffer,l.indexBuffer2,l.segments2,s)}function setFillProgram(r,t,e,a,i,l,n,o){var s,f=e.currentProgram;return t?(s=e.useProgram(r+\"Pattern\",a),(o||s!==f)&&(a.setUniforms(e.gl,s,i,{zoom:e.transform.zoom}),pattern.prepare(i.paint[\"fill-pattern\"],e,s)),pattern.setTile(l,e,s)):(s=e.useProgram(r,a),(o||s!==f)&&a.setUniforms(e.gl,s,i,{zoom:e.transform.zoom})),e.gl.uniformMatrix4fv(s.uniforms.u_matrix,!1,e.translatePosMatrix(n.posMatrix,l,i.paint[\"fill-translate\"],i.paint[\"fill-translate-anchor\"])),s}var pattern=_dereq_(\"./pattern\");module.exports=drawFill;\n},{\"./pattern\":80}],69:[function(_dereq_,module,exports){\n\"use strict\";function draw(r,t,e,i){if(\"3d\"===r.renderPass){var a=r.gl;a.disable(a.STENCIL_TEST),a.enable(a.DEPTH_TEST),r.clearColor(),r.depthMask(!0);for(var n=0;n<i.length;n++)drawExtrusion(r,t,e,i[n])}else\"translucent\"===r.renderPass&&drawExtrusionTexture(r,e)}function drawExtrusionTexture(r,t){var e=r.prerenderedFrames[t.id];if(e){var i=r.gl,a=r.useProgram(\"extrusionTexture\");i.disable(i.STENCIL_TEST),i.disable(i.DEPTH_TEST),i.activeTexture(i.TEXTURE0),i.bindTexture(i.TEXTURE_2D,e.texture),i.uniform1f(a.uniforms.u_opacity,t.paint[\"fill-extrusion-opacity\"]),i.uniform1i(a.uniforms.u_image,0);var n=mat4.create();mat4.ortho(n,0,r.width,r.height,0,0,1),i.uniformMatrix4fv(a.uniforms.u_matrix,!1,n),i.uniform2f(a.uniforms.u_world,i.drawingBufferWidth,i.drawingBufferHeight),e.vao.bind(i,a,e.buffer),i.drawArrays(i.TRIANGLE_STRIP,0,4),r.viewportFrames.push(e),delete r.prerenderedFrames[t.id]}}function drawExtrusion(r,t,e,i){var a=t.getTile(i),n=a.getBucket(e);if(n){var o=r.gl,u=e.paint[\"fill-extrusion-pattern\"],s=n.programConfigurations.get(e.id),f=r.useProgram(u?\"fillExtrusionPattern\":\"fillExtrusion\",s);if(s.setUniforms(o,f,e,{zoom:r.transform.zoom}),u){if(pattern.isPatternMissing(u,r))return;pattern.prepare(u,r,f),pattern.setTile(a,r,f),o.uniform1f(f.uniforms.u_height_factor,-Math.pow(2,i.z)/a.tileSize/8)}r.gl.uniformMatrix4fv(f.uniforms.u_matrix,!1,r.translatePosMatrix(i.posMatrix,a,e.paint[\"fill-extrusion-translate\"],e.paint[\"fill-extrusion-translate-anchor\"])),setLight(f,r),f.draw(o,o.TRIANGLES,e.id,n.layoutVertexBuffer,n.indexBuffer,n.segments,s)}}function setLight(r,t){var e=t.gl,i=t.style.light,a=i.calculated.position,n=[a.x,a.y,a.z],o=mat3.create();\"viewport\"===i.calculated.anchor&&mat3.fromRotation(o,-t.transform.angle),vec3.transformMat3(n,n,o),e.uniform3fv(r.uniforms.u_lightpos,n),e.uniform1f(r.uniforms.u_lightintensity,i.calculated.intensity),e.uniform3fv(r.uniforms.u_lightcolor,i.calculated.color.slice(0,3))}var glMatrix=_dereq_(\"@mapbox/gl-matrix\"),pattern=_dereq_(\"./pattern\"),mat3=glMatrix.mat3,mat4=glMatrix.mat4,vec3=glMatrix.vec3;module.exports=draw;\n},{\"./pattern\":80,\"@mapbox/gl-matrix\":1}],70:[function(_dereq_,module,exports){\n\"use strict\";function drawLineTile(i,r,e,t,n,a,o,u,f){var s,l,m,_,p=r.gl,g=n.paint[\"line-dasharray\"],d=n.paint[\"line-pattern\"];if(u||f){var x=1/pixelsToTileUnits(e,1,r.transform.tileZoom);if(g){s=r.lineAtlas.getDash(g.from,\"round\"===n.layout[\"line-cap\"]),l=r.lineAtlas.getDash(g.to,\"round\"===n.layout[\"line-cap\"]);var T=s.width*g.fromScale,c=l.width*g.toScale;p.uniform2f(i.uniforms.u_patternscale_a,x/T,-s.height/2),p.uniform2f(i.uniforms.u_patternscale_b,x/c,-l.height/2),p.uniform1f(i.uniforms.u_sdfgamma,r.lineAtlas.width/(256*Math.min(T,c)*browser.devicePixelRatio)/2)}else if(d){if(m=r.imageManager.getPattern(d.from),_=r.imageManager.getPattern(d.to),!m||!_)return;p.uniform2f(i.uniforms.u_pattern_size_a,m.displaySize[0]*d.fromScale/x,_.displaySize[1]),p.uniform2f(i.uniforms.u_pattern_size_b,_.displaySize[0]*d.toScale/x,_.displaySize[1]);var h=r.imageManager.getPixelSize(),v=h.width,b=h.height;p.uniform2fv(i.uniforms.u_texsize,[v,b])}p.uniform2f(i.uniforms.u_gl_units_to_pixels,1/r.transform.pixelsToGLUnits[0],1/r.transform.pixelsToGLUnits[1])}u&&(g?(p.uniform1i(i.uniforms.u_image,0),p.activeTexture(p.TEXTURE0),r.lineAtlas.bind(p),p.uniform1f(i.uniforms.u_tex_y_a,s.y),p.uniform1f(i.uniforms.u_tex_y_b,l.y),p.uniform1f(i.uniforms.u_mix,g.t)):d&&(p.uniform1i(i.uniforms.u_image,0),p.activeTexture(p.TEXTURE0),r.imageManager.bind(p),p.uniform2fv(i.uniforms.u_pattern_tl_a,m.tl),p.uniform2fv(i.uniforms.u_pattern_br_a,m.br),p.uniform2fv(i.uniforms.u_pattern_tl_b,_.tl),p.uniform2fv(i.uniforms.u_pattern_br_b,_.br),p.uniform1f(i.uniforms.u_fade,d.t))),r.enableTileClippingMask(a);var y=r.translatePosMatrix(a.posMatrix,e,n.paint[\"line-translate\"],n.paint[\"line-translate-anchor\"]);p.uniformMatrix4fv(i.uniforms.u_matrix,!1,y),p.uniform1f(i.uniforms.u_ratio,1/pixelsToTileUnits(e,1,r.transform.zoom)),i.draw(p,p.TRIANGLES,n.id,t.layoutVertexBuffer,t.indexBuffer,t.segments,o)}var browser=_dereq_(\"../util/browser\"),pixelsToTileUnits=_dereq_(\"../source/pixels_to_tile_units\");module.exports=function(i,r,e,t){if(\"translucent\"===i.renderPass){i.setDepthSublayer(0),i.depthMask(!1);var n=i.gl;if(n.enable(n.STENCIL_TEST),!(e.paint[\"line-width\"]<=0))for(var a,o=e.paint[\"line-dasharray\"]?\"lineSDF\":e.paint[\"line-pattern\"]?\"linePattern\":\"line\",u=!0,f=0,s=t;f<s.length;f+=1){var l=s[f],m=r.getTile(l),_=m.getBucket(e);if(_){var p=_.programConfigurations.get(e.id),g=i.currentProgram,d=i.useProgram(o,p),x=u||d!==g,T=a!==m.coord.z;x&&p.setUniforms(i.gl,d,e,{zoom:i.transform.zoom}),drawLineTile(d,i,m,_,e,l,p,x,T),a=m.coord.z,u=!1}}}};\n},{\"../source/pixels_to_tile_units\":93,\"../util/browser\":202}],71:[function(_dereq_,module,exports){\n\"use strict\";function drawRaster(r,t,e,a){if(\"translucent\"===r.renderPass){var i=r.gl,o=t.getSource(),n=r.useProgram(\"raster\");i.enable(i.DEPTH_TEST),r.depthMask(!0),i.depthFunc(i.LESS),i.disable(i.STENCIL_TEST),i.uniform1f(n.uniforms.u_brightness_low,e.paint[\"raster-brightness-min\"]),i.uniform1f(n.uniforms.u_brightness_high,e.paint[\"raster-brightness-max\"]),i.uniform1f(n.uniforms.u_saturation_factor,saturationFactor(e.paint[\"raster-saturation\"])),i.uniform1f(n.uniforms.u_contrast_factor,contrastFactor(e.paint[\"raster-contrast\"])),i.uniform3fv(n.uniforms.u_spin_weights,spinWeights(e.paint[\"raster-hue-rotate\"])),i.uniform1f(n.uniforms.u_buffer_scale,1),i.uniform1i(n.uniforms.u_image0,0),i.uniform1i(n.uniforms.u_image1,1);for(var u=a.length&&a[0].z,s=0,f=a;s<f.length;s+=1){var m=f[s];r.setDepthSublayer(m.z-u);var d=t.getTile(m),c=r.transform.calculatePosMatrix(m,t.getSource().maxzoom);d.registerFadeDuration(r.style.animationLoop,e.paint[\"raster-fade-duration\"]),i.uniformMatrix4fv(n.uniforms.u_matrix,!1,c);var p=t.findLoadedParent(m,0,{}),_=getFadeValues(d,p,t,e,r.transform),h=void 0,l=void 0;if(i.activeTexture(i.TEXTURE0),i.bindTexture(i.TEXTURE_2D,d.texture),i.activeTexture(i.TEXTURE1),p?(i.bindTexture(i.TEXTURE_2D,p.texture),h=Math.pow(2,p.coord.z-d.coord.z),l=[d.coord.x*h%1,d.coord.y*h%1]):i.bindTexture(i.TEXTURE_2D,d.texture),i.uniform2fv(n.uniforms.u_tl_parent,l||[0,0]),i.uniform1f(n.uniforms.u_scale_parent,h||1),i.uniform1f(n.uniforms.u_fade_t,_.mix),i.uniform1f(n.uniforms.u_opacity,_.opacity*e.paint[\"raster-opacity\"]),o instanceof ImageSource){var g=o.boundsBuffer;o.boundsVAO.bind(i,n,g),i.drawArrays(i.TRIANGLE_STRIP,0,g.length)}else{var T=r.rasterBoundsBuffer;r.rasterBoundsVAO.bind(i,n,T),i.drawArrays(i.TRIANGLE_STRIP,0,T.length)}}i.depthFunc(i.LEQUAL)}}function spinWeights(r){r*=Math.PI/180;var t=Math.sin(r),e=Math.cos(r);return[(2*e+1)/3,(-Math.sqrt(3)*t-e+1)/3,(Math.sqrt(3)*t-e+1)/3]}function contrastFactor(r){return r>0?1/(1-r):1+r}function saturationFactor(r){return r>0?1-1/(1.001-r):-r}function getFadeValues(r,t,e,a,i){var o=a.paint[\"raster-fade-duration\"];if(o>0){var n=Date.now(),u=(n-r.timeAdded)/o,s=t?(n-t.timeAdded)/o:-1,f=e.getSource(),m=i.coveringZoomLevel({tileSize:f.tileSize,roundZoom:f.roundZoom}),d=!t||Math.abs(t.coord.z-m)>Math.abs(r.coord.z-m),c=d&&r.refreshedUponExpiration?1:util.clamp(d?u:1-s,0,1);return r.refreshedUponExpiration&&u>=1&&(r.refreshedUponExpiration=!1),t?{opacity:1,mix:1-c}:{opacity:c,mix:0}}return{opacity:1,mix:0}}var util=_dereq_(\"../util/util\"),ImageSource=_dereq_(\"../source/image_source\");module.exports=drawRaster;\n},{\"../source/image_source\":91,\"../util/util\":223}],72:[function(_dereq_,module,exports){\n\"use strict\";function drawSymbols(t,i,o,e){if(\"translucent\"===t.renderPass){var a=!(o.layout[\"text-allow-overlap\"]||o.layout[\"icon-allow-overlap\"]||o.layout[\"text-ignore-placement\"]||o.layout[\"icon-ignore-placement\"]),r=t.gl;a?r.disable(r.STENCIL_TEST):r.enable(r.STENCIL_TEST),t.setDepthSublayer(0),t.depthMask(!1),drawLayerSymbols(t,i,o,e,!1,o.paint[\"icon-translate\"],o.paint[\"icon-translate-anchor\"],o.layout[\"icon-rotation-alignment\"],o.layout[\"icon-pitch-alignment\"],o.layout[\"icon-keep-upright\"]),drawLayerSymbols(t,i,o,e,!0,o.paint[\"text-translate\"],o.paint[\"text-translate-anchor\"],o.layout[\"text-rotation-alignment\"],o.layout[\"text-pitch-alignment\"],o.layout[\"text-keep-upright\"]),i.map.showCollisionBoxes&&drawCollisionDebug(t,i,o,e)}}function drawLayerSymbols(t,i,o,e,a,r,n,s,u,l){var m=t.gl,f=t.transform,c=\"map\"===s,_=\"map\"===u,y=c&&\"line\"===o.layout[\"symbol-placement\"],p=c&&!_&&!y,x=_;x?m.enable(m.DEPTH_TEST):m.disable(m.DEPTH_TEST);for(var b,d=0,T=e;d<T.length;d+=1){var g=T[d],S=i.getTile(g),h=S.getBucket(o);if(h){var z=a?h.text:h.icon;if(z&&z.segments.get().length){var v=z.programConfigurations.get(o.id),E=a||h.sdfIcons,w=a?h.textSizeData:h.iconSizeData;if(b||(b=t.useProgram(E?\"symbolSDF\":\"symbolIcon\",v),v.setUniforms(m,b,o,{zoom:t.transform.zoom}),setSymbolDrawState(b,t,o,a,p,_,w)),m.activeTexture(m.TEXTURE0),m.uniform1i(b.uniforms.u_texture,0),a)S.glyphAtlasTexture.bind(m.LINEAR,m.CLAMP_TO_EDGE),m.uniform2fv(b.uniforms.u_texsize,S.glyphAtlasTexture.size);else{var M=!o.isLayoutValueFeatureConstant(\"icon-size\")||!o.isLayoutValueZoomConstant(\"icon-size\")||1!==o.getLayoutValue(\"icon-size\",{zoom:f.zoom})||h.iconsNeedLinear,C=_||0!==f.pitch;S.iconAtlasTexture.bind(E||t.options.rotating||t.options.zooming||M||C?m.LINEAR:m.NEAREST,m.CLAMP_TO_EDGE),m.uniform2fv(b.uniforms.u_texsize,S.iconAtlasTexture.size)}t.enableTileClippingMask(g),m.uniformMatrix4fv(b.uniforms.u_matrix,!1,t.translatePosMatrix(g.posMatrix,S,r,n));var L=pixelsToTileUnits(S,1,t.transform.zoom),P=symbolProjection.getLabelPlaneMatrix(g.posMatrix,_,c,t.transform,L),D=symbolProjection.getGlCoordMatrix(g.posMatrix,_,c,t.transform,L);m.uniformMatrix4fv(b.uniforms.u_gl_coord_matrix,!1,t.translatePosMatrix(D,S,r,n,!0)),y?(m.uniformMatrix4fv(b.uniforms.u_label_plane_matrix,!1,identityMat4),symbolProjection.updateLineLabels(h,g.posMatrix,t,a,P,D,_,l,L,o)):m.uniformMatrix4fv(b.uniforms.u_label_plane_matrix,!1,P),m.uniform1f(b.uniforms.u_collision_y_stretch,S.collisionTile.yStretch),drawTileSymbols(b,v,t,o,S,z,a,E,_)}}}x||m.enable(m.DEPTH_TEST)}function setSymbolDrawState(t,i,o,e,a,r,n){var s=i.gl,u=i.transform;s.uniform1i(t.uniforms.u_pitch_with_map,r?1:0),s.uniform1f(t.uniforms.u_is_text,e?1:0),s.activeTexture(s.TEXTURE1),i.frameHistory.bind(s),s.uniform1i(t.uniforms.u_fadetexture,1),s.uniform1f(t.uniforms.u_pitch,u.pitch/360*2*Math.PI),s.uniform1i(t.uniforms.u_is_size_zoom_constant,n.isZoomConstant?1:0),s.uniform1i(t.uniforms.u_is_size_feature_constant,n.isFeatureConstant?1:0),s.uniform1f(t.uniforms.u_camera_to_center_distance,u.cameraToCenterDistance);var l=symbolSize.evaluateSizeForZoom(n,u,o,e);void 0!==l.uSizeT&&s.uniform1f(t.uniforms.u_size_t,l.uSizeT),void 0!==l.uSize&&s.uniform1f(t.uniforms.u_size,l.uSize),s.uniform1f(t.uniforms.u_aspect_ratio,u.width/u.height),s.uniform1i(t.uniforms.u_rotate_symbol,a?1:0)}function drawTileSymbols(t,i,o,e,a,r,n,s,u){var l=o.gl,m=o.transform;if(s){var f=(n?\"text\":\"icon\")+\"-halo-width\",c=!e.isPaintValueFeatureConstant(f)||e.paint[f],_=u?Math.cos(m._pitch)*m.cameraToCenterDistance:1;l.uniform1f(t.uniforms.u_gamma_scale,_),c&&(l.uniform1f(t.uniforms.u_is_halo,1),drawSymbolElements(r,e,l,t)),l.uniform1f(t.uniforms.u_is_halo,0)}drawSymbolElements(r,e,l,t)}function drawSymbolElements(t,i,o,e){e.draw(o,o.TRIANGLES,i.id,t.layoutVertexBuffer,t.indexBuffer,t.segments,t.programConfigurations.get(i.id),t.dynamicLayoutVertexBuffer)}var drawCollisionDebug=_dereq_(\"./draw_collision_debug\"),pixelsToTileUnits=_dereq_(\"../source/pixels_to_tile_units\"),symbolProjection=_dereq_(\"../symbol/projection\"),symbolSize=_dereq_(\"../symbol/symbol_size\"),mat4=_dereq_(\"@mapbox/gl-matrix\").mat4,identityMat4=mat4.identity(new Float32Array(16));module.exports=drawSymbols;\n},{\"../source/pixels_to_tile_units\":93,\"../symbol/projection\":175,\"../symbol/symbol_size\":178,\"./draw_collision_debug\":66,\"@mapbox/gl-matrix\":1}],73:[function(_dereq_,module,exports){\n\"use strict\";var FrameHistory=function(){this.changeTimes=new Float64Array(256),this.changeOpacities=new Uint8Array(256),this.opacities=new Uint8ClampedArray(256),this.array=new Uint8Array(this.opacities.buffer),this.previousZoom=0,this.firstFrame=!0};FrameHistory.prototype.record=function(e,t,i){var r=this;this.firstFrame&&(e=0,this.firstFrame=!1),t=Math.floor(10*t);var a;if(t<this.previousZoom)for(a=t+1;a<=this.previousZoom;a++)r.changeTimes[a]=e,r.changeOpacities[a]=r.opacities[a];else for(a=t;a>this.previousZoom;a--)r.changeTimes[a]=e,r.changeOpacities[a]=r.opacities[a];for(a=0;a<256;a++){var s=e-r.changeTimes[a],o=255*(i?s/i:1);r.opacities[a]=a<=t?r.changeOpacities[a]+o:r.changeOpacities[a]-o}this.changed=!0,this.previousZoom=t},FrameHistory.prototype.isVisible=function(e){return 0!==this.opacities[Math.floor(10*e)]},FrameHistory.prototype.bind=function(e){this.texture?(e.bindTexture(e.TEXTURE_2D,this.texture),this.changed&&(e.texSubImage2D(e.TEXTURE_2D,0,0,0,256,1,e.ALPHA,e.UNSIGNED_BYTE,this.array),this.changed=!1)):(this.texture=e.createTexture(),e.bindTexture(e.TEXTURE_2D,this.texture),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texImage2D(e.TEXTURE_2D,0,e.ALPHA,256,1,0,e.ALPHA,e.UNSIGNED_BYTE,this.array))},module.exports=FrameHistory;\n},{}],74:[function(_dereq_,module,exports){\n\"use strict\";function makeGlyphAtlas(a){var e=AlphaImage.create({width:0,height:0}),i={},t=new ShelfPack(0,0,{autoResize:!0});for(var h in a){var p=a[h],r=i[h]={};for(var m in p){var g=p[+m];if(g&&0!==g.bitmap.width&&0!==g.bitmap.height){var l=t.packOne(g.bitmap.width+2*padding,g.bitmap.height+2*padding);AlphaImage.resize(e,{width:t.w,height:t.h}),AlphaImage.copy(g.bitmap,e,{x:0,y:0},{x:l.x+padding,y:l.y+padding},g.bitmap),r[m]={rect:l,metrics:g.metrics}}}}return t.shrink(),AlphaImage.resize(e,{width:t.w,height:t.h}),{image:e,positions:i}}var ShelfPack=_dereq_(\"@mapbox/shelf-pack\"),ref=_dereq_(\"../util/image\"),AlphaImage=ref.AlphaImage,padding=1;module.exports={makeGlyphAtlas:makeGlyphAtlas};\n},{\"../util/image\":213,\"@mapbox/shelf-pack\":3}],75:[function(_dereq_,module,exports){\n\"use strict\";var loadGlyphRange=_dereq_(\"../style/load_glyph_range\"),TinySDF=_dereq_(\"@mapbox/tiny-sdf\"),isChar=_dereq_(\"../util/is_char_in_unicode_block\"),ref=_dereq_(\"../util/util\"),asyncAll=ref.asyncAll,ref$1=_dereq_(\"../util/image\"),AlphaImage=ref$1.AlphaImage,GlyphManager=function(r,e){this.requestTransform=r,this.localIdeographFontFamily=e,this.entries={}};GlyphManager.prototype.setURL=function(r){this.url=r},GlyphManager.prototype.getGlyphs=function(r,e){var t=this,i=[];for(var a in r)for(var l=0,n=r[a];l<n.length;l+=1){var s=n[l];i.push({stack:a,id:s})}asyncAll(i,function(r,e){var i=r.stack,a=r.id,l=t.entries[i];l||(l=t.entries[i]={glyphs:{},requests:{}});var n=l.glyphs[a];if(void 0!==n)return void e(null,{stack:i,id:a,glyph:n});if(n=t._tinySDF(l,i,a))return void e(null,{stack:i,id:a,glyph:n});var s=Math.floor(a/256);if(256*s>65535)return void e(new Error(\"glyphs > 65535 not supported\"));var o=l.requests[s];o||(o=l.requests[s]=[],loadGlyphRange(i,s,t.url,t.requestTransform,function(r,e){if(e)for(var t in e)l.glyphs[+t]=e[+t];for(var i=0,a=o;i<a.length;i+=1){(0,a[i])(r,e)}delete l.requests[s]})),o.push(function(r,t){r?e(r):t&&e(null,{stack:i,id:a,glyph:t[a]||null})})},function(r,t){if(r)e(r);else if(t){for(var i={},a=0,l=t;a<l.length;a+=1){var n=l[a],s=n.stack,o=n.id,h=n.glyph;(i[s]||(i[s]={}))[o]=h}e(null,i)}})},GlyphManager.prototype._tinySDF=function(r,e,t){var i=this.localIdeographFontFamily;if(i&&(isChar[\"CJK Unified Ideographs\"](t)||isChar[\"Hangul Syllables\"](t))){var a=r.tinySDF;if(!a){var l=\"400\";/bold/i.test(e)?l=\"900\":/medium/i.test(e)?l=\"500\":/light/i.test(e)&&(l=\"200\"),a=r.tinySDF=new TinySDF(24,3,8,.25,i,l)}return{id:t,bitmap:AlphaImage.create({width:30,height:30},a.draw(String.fromCharCode(t))),metrics:{width:24,height:24,left:0,top:-8,advance:24}}}},module.exports=GlyphManager;\n},{\"../style/load_glyph_range\":152,\"../util/image\":213,\"../util/is_char_in_unicode_block\":215,\"../util/util\":223,\"@mapbox/tiny-sdf\":4}],76:[function(_dereq_,module,exports){\n\"use strict\";function imagePosition(a,e){var i=e.pixelRatio,t={x:a.x+padding,y:a.y+padding,w:a.w-2*padding,h:a.h-2*padding};return{pixelRatio:i,textureRect:t,tl:[t.x,t.y],br:[t.x+t.w,t.y+t.h],displaySize:[t.w/i,t.h/i]}}function makeImageAtlas(a){var e=RGBAImage.create({width:0,height:0}),i={},t=new ShelfPack(0,0,{autoResize:!0});for(var d in a){var g=a[d],n=t.packOne(g.data.width+2*padding,g.data.height+2*padding);RGBAImage.resize(e,{width:t.w,height:t.h}),RGBAImage.copy(g.data,e,{x:0,y:0},{x:n.x+padding,y:n.y+padding},g.data),i[d]=imagePosition(n,g)}return t.shrink(),RGBAImage.resize(e,{width:t.w,height:t.h}),{image:e,positions:i}}var ShelfPack=_dereq_(\"@mapbox/shelf-pack\"),ref=_dereq_(\"../util/image\"),RGBAImage=ref.RGBAImage,padding=1;module.exports={imagePosition:imagePosition,makeImageAtlas:makeImageAtlas};\n},{\"../util/image\":213,\"@mapbox/shelf-pack\":3}],77:[function(_dereq_,module,exports){\n\"use strict\";var ShelfPack=_dereq_(\"@mapbox/shelf-pack\"),ref=_dereq_(\"../util/image\"),RGBAImage=ref.RGBAImage,ref$1=_dereq_(\"./image_atlas\"),imagePosition=ref$1.imagePosition,Texture=_dereq_(\"./texture\"),padding=1,ImageManager=function(){this.images={},this.loaded=!1,this.requestors=[],this.shelfPack=new ShelfPack(64,64,{autoResize:!0}),this.patterns={},this.atlasImage=RGBAImage.create({width:64,height:64}),this.dirty=!0};ImageManager.prototype.isLoaded=function(){return this.loaded},ImageManager.prototype.setLoaded=function(e){var t=this;if(this.loaded!==e&&(this.loaded=e,e)){for(var a=0,i=t.requestors;a<i.length;a+=1){var r=i[a],s=r.ids,h=r.callback;t._notify(s,h)}this.requestors=[]}},ImageManager.prototype.getImage=function(e){return this.images[e]},ImageManager.prototype.addImage=function(e,t){this.images[e]=t},ImageManager.prototype.removeImage=function(e){delete this.images[e];var t=this.patterns[e];t&&(this.shelfPack.unref(t.bin),delete this.patterns[e])},ImageManager.prototype.getImages=function(e,t){var a=this,i=!0;if(!this.isLoaded())for(var r=0,s=e;r<s.length;r+=1){var h=s[r];a.images[h]||(i=!1)}this.isLoaded()||i?this._notify(e,t):this.requestors.push({ids:e,callback:t})},ImageManager.prototype._notify=function(e,t){for(var a=this,i={},r=0,s=e;r<s.length;r+=1){var h=s[r],g=a.images[h];g&&(i[h]=g)}t(null,i)},ImageManager.prototype.getPixelSize=function(){return{width:this.shelfPack.w,height:this.shelfPack.h}},ImageManager.prototype.getPattern=function(e){var t=this.patterns[e];if(t)return t.position;var a=this.getImage(e);if(!a)return null;var i=a.data.width+2*padding,r=a.data.height+2*padding,s=this.shelfPack.packOne(i,r);if(!s)return null;RGBAImage.resize(this.atlasImage,this.getPixelSize());var h=a.data,g=this.atlasImage,n=s.x+padding,o=s.y+padding,d=h.width,m=h.height;RGBAImage.copy(h,g,{x:0,y:0},{x:n,y:o},{width:d,height:m}),RGBAImage.copy(h,g,{x:0,y:m-1},{x:n,y:o-1},{width:d,height:1}),RGBAImage.copy(h,g,{x:0,y:0},{x:n,y:o+m},{width:d,height:1}),RGBAImage.copy(h,g,{x:d-1,y:0},{x:n-1,y:o},{width:1,height:m}),RGBAImage.copy(h,g,{x:0,y:0},{x:n+d,y:o},{width:1,height:m}),this.dirty=!0;var p=imagePosition(s,a);return this.patterns[e]={bin:s,position:p},p},ImageManager.prototype.bind=function(e){this.atlasTexture?this.dirty&&(this.atlasTexture.update(this.atlasImage),this.dirty=!1):this.atlasTexture=new Texture(e,this.atlasImage,e.RGBA),this.atlasTexture.bind(e.LINEAR,e.CLAMP_TO_EDGE)},module.exports=ImageManager;\n},{\"../util/image\":213,\"./image_atlas\":76,\"./texture\":83,\"@mapbox/shelf-pack\":3}],78:[function(_dereq_,module,exports){\n\"use strict\";var util=_dereq_(\"../util/util\"),LineAtlas=function(t,i){this.width=t,this.height=i,this.nextRow=0,this.bytes=4,this.data=new Uint8Array(this.width*this.height*this.bytes),this.positions={}};LineAtlas.prototype.getDash=function(t,i){var e=t.join(\",\")+String(i);return this.positions[e]||(this.positions[e]=this.addDash(t,i)),this.positions[e]},LineAtlas.prototype.addDash=function(t,i){var e=this,h=i?7:0,s=2*h+1;if(this.nextRow+s>this.height)return util.warnOnce(\"LineAtlas out of space\"),null;for(var a=0,r=0;r<t.length;r++)a+=t[r];for(var n=this.width/a,E=n/2,T=t.length%2==1,o=-h;o<=h;o++)for(var R=e.nextRow+h+o,d=e.width*R,u=T?-t[t.length-1]:0,x=t[0],l=1,_=0;_<this.width;_++){for(;x<_/n;)u=x,x+=t[l],T&&l===t.length-1&&(x+=t[0]),l++;var A=Math.abs(_-u*n),g=Math.abs(_-x*n),w=Math.min(A,g),D=l%2==1,U=void 0;if(i){var f=h?o/h*(E+1):0;if(D){var p=E-Math.abs(f);U=Math.sqrt(w*w+p*p)}else U=E-Math.sqrt(w*w+f*f)}else U=(D?1:-1)*w;e.data[3+4*(d+_)]=Math.max(0,Math.min(255,U+128))}var X={y:(this.nextRow+h+.5)/this.height,height:2*h/this.height,width:a};return this.nextRow+=s,this.dirty=!0,X},LineAtlas.prototype.bind=function(t){this.texture?(t.bindTexture(t.TEXTURE_2D,this.texture),this.dirty&&(this.dirty=!1,t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width,this.height,t.RGBA,t.UNSIGNED_BYTE,this.data))):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.REPEAT),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.REPEAT),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,this.width,this.height,0,t.RGBA,t.UNSIGNED_BYTE,this.data))},module.exports=LineAtlas;\n},{\"../util/util\":223}],79:[function(_dereq_,module,exports){\n\"use strict\";var browser=_dereq_(\"../util/browser\"),mat4=_dereq_(\"@mapbox/gl-matrix\").mat4,FrameHistory=_dereq_(\"./frame_history\"),SourceCache=_dereq_(\"../source/source_cache\"),EXTENT=_dereq_(\"../data/extent\"),pixelsToTileUnits=_dereq_(\"../source/pixels_to_tile_units\"),util=_dereq_(\"../util/util\"),VertexBuffer=_dereq_(\"../gl/vertex_buffer\"),VertexArrayObject=_dereq_(\"./vertex_array_object\"),RasterBoundsArray=_dereq_(\"../data/raster_bounds_array\"),PosArray=_dereq_(\"../data/pos_array\"),ref=_dereq_(\"../data/program_configuration\"),ProgramConfiguration=ref.ProgramConfiguration,shaders=_dereq_(\"../shaders\"),Program=_dereq_(\"./program\"),RenderTexture=_dereq_(\"./render_texture\"),draw={symbol:_dereq_(\"./draw_symbol\"),circle:_dereq_(\"./draw_circle\"),line:_dereq_(\"./draw_line\"),fill:_dereq_(\"./draw_fill\"),\"fill-extrusion\":_dereq_(\"./draw_fill_extrusion\"),raster:_dereq_(\"./draw_raster\"),background:_dereq_(\"./draw_background\"),debug:_dereq_(\"./draw_debug\")},Painter=function(e,r){this.gl=e,this.transform=r,this._tileTextures={},this.prerenderedFrames={},this.viewportFrames=[],this.frameHistory=new FrameHistory,this.setup(),this.numSublayers=SourceCache.maxUnderzooming+SourceCache.maxOverzooming+1,this.depthEpsilon=1/Math.pow(2,16),this.lineWidthRange=e.getParameter(e.ALIASED_LINE_WIDTH_RANGE),this.basicFillProgramConfiguration=ProgramConfiguration.createBasicFill(),this.emptyProgramConfiguration=new ProgramConfiguration};Painter.prototype.resize=function(e,r){var t=this,i=this.gl;this.width=e*browser.devicePixelRatio,this.height=r*browser.devicePixelRatio,i.viewport(0,0,this.width,this.height);for(var a=0,s=t.viewportFrames;a<s.length;a+=1){var n=s[a];t.gl.deleteTexture(n.texture),t.gl.deleteFramebuffer(n.fbo)}this.viewportFrames=[],this.depthRbo&&(this.gl.deleteRenderbuffer(this.depthRbo),this.depthRbo=null)},Painter.prototype.setup=function(){var e=this.gl;e.enable(e.BLEND),e.blendFunc(e.ONE,e.ONE_MINUS_SRC_ALPHA),e.enable(e.STENCIL_TEST),e.enable(e.DEPTH_TEST),e.depthFunc(e.LEQUAL),this._depthMask=!1,e.depthMask(!1);var r=new PosArray;r.emplaceBack(0,0),r.emplaceBack(EXTENT,0),r.emplaceBack(0,EXTENT),r.emplaceBack(EXTENT,EXTENT),this.tileExtentBuffer=new VertexBuffer(e,r),this.tileExtentVAO=new VertexArrayObject,this.tileExtentPatternVAO=new VertexArrayObject;var t=new PosArray;t.emplaceBack(0,0),t.emplaceBack(EXTENT,0),t.emplaceBack(EXTENT,EXTENT),t.emplaceBack(0,EXTENT),t.emplaceBack(0,0),this.debugBuffer=new VertexBuffer(e,t),this.debugVAO=new VertexArrayObject;var i=new RasterBoundsArray;i.emplaceBack(0,0,0,0),i.emplaceBack(EXTENT,0,EXTENT,0),i.emplaceBack(0,EXTENT,0,EXTENT),i.emplaceBack(EXTENT,EXTENT,EXTENT,EXTENT),this.rasterBoundsBuffer=new VertexBuffer(e,i),this.rasterBoundsVAO=new VertexArrayObject,this.extTextureFilterAnisotropic=e.getExtension(\"EXT_texture_filter_anisotropic\")||e.getExtension(\"MOZ_EXT_texture_filter_anisotropic\")||e.getExtension(\"WEBKIT_EXT_texture_filter_anisotropic\"),this.extTextureFilterAnisotropic&&(this.extTextureFilterAnisotropicMax=e.getParameter(this.extTextureFilterAnisotropic.MAX_TEXTURE_MAX_ANISOTROPY_EXT))},Painter.prototype.clearColor=function(){var e=this.gl;e.clearColor(0,0,0,0),e.clear(e.COLOR_BUFFER_BIT)},Painter.prototype.clearStencil=function(){var e=this.gl;e.clearStencil(0),e.stencilMask(255),e.clear(e.STENCIL_BUFFER_BIT)},Painter.prototype.clearDepth=function(){var e=this.gl;e.clearDepth(1),this.depthMask(!0),e.clear(e.DEPTH_BUFFER_BIT)},Painter.prototype._renderTileClippingMasks=function(e){var r=this,t=this.gl;t.colorMask(!1,!1,!1,!1),this.depthMask(!1),t.disable(t.DEPTH_TEST),t.enable(t.STENCIL_TEST),t.stencilMask(255),t.stencilOp(t.KEEP,t.KEEP,t.REPLACE);var i=1;this._tileClippingMaskIDs={};for(var a=0,s=e;a<s.length;a+=1){var n=s[a],o=r._tileClippingMaskIDs[n.id]=i++;t.stencilFunc(t.ALWAYS,o,255);var l=r.useProgram(\"fill\",r.basicFillProgramConfiguration);t.uniformMatrix4fv(l.uniforms.u_matrix,!1,n.posMatrix),r.tileExtentVAO.bind(t,l,r.tileExtentBuffer),t.drawArrays(t.TRIANGLE_STRIP,0,r.tileExtentBuffer.length)}t.stencilMask(0),t.colorMask(!0,!0,!0,!0),this.depthMask(!0),t.enable(t.DEPTH_TEST)},Painter.prototype.enableTileClippingMask=function(e){var r=this.gl;r.stencilFunc(r.EQUAL,this._tileClippingMaskIDs[e.id],255)},Painter.prototype.render=function(e,r){var t=this;this.style=e,this.options=r,this.lineAtlas=e.lineAtlas,this.imageManager=e.imageManager,this.glyphManager=e.glyphManager,this.frameHistory.record(Date.now(),this.transform.zoom,e.getTransition().duration);for(var i in t.style.sourceCaches){var a=t.style.sourceCaches[i];a.used&&a.prepare(t.gl)}var s=this.style._order;this.renderPass=\"3d\";for(var n,o=!0,l=[],h=0;h<s.length;h++){var c=t.style._layers[s[h]];if(c.has3DPass()&&!c.isHidden(t.transform.zoom)&&(c.source!==(n&&n.id)&&(n=t.style.sourceCaches[c.source],l=[],n&&(t.clearStencil(),l=n.getVisibleCoordinates()),l.reverse()),l.length)){t._setup3DRenderbuffer();var u=t.viewportFrames.pop()||new RenderTexture(t);u.bindWithDepth(t.depthRbo),o&&(t.clearDepth(),o=!1),t.renderLayer(t,n,c,l),u.unbind(),t.prerenderedFrames[c.id]=u}}this.clearColor(),this.clearDepth(),this.showOverdrawInspector(r.showOverdrawInspector),this.depthRange=(e._order.length+2)*this.numSublayers*this.depthEpsilon,this.renderPass=\"opaque\";var p,d=[];for(this.currentLayer=s.length-1,this._showOverdrawInspector||this.gl.disable(this.gl.BLEND),this.currentLayer;this.currentLayer>=0;this.currentLayer--){var g=t.style._layers[s[t.currentLayer]];g.source!==(p&&p.id)&&(p=t.style.sourceCaches[g.source],d=[],p&&(t.clearStencil(),d=p.getVisibleCoordinates(),p.getSource().isTileClipped&&t._renderTileClippingMasks(d))),t.renderLayer(t,p,g,d)}this.renderPass=\"translucent\";var f,E=[];for(this.gl.enable(this.gl.BLEND),this.currentLayer=0,this.currentLayer;this.currentLayer<s.length;this.currentLayer++){var T=t.style._layers[s[t.currentLayer]];T.source!==(f&&f.id)&&(f=t.style.sourceCaches[T.source],E=[],f&&(t.clearStencil(),E=f.getVisibleCoordinates(),f.getSource().isTileClipped&&t._renderTileClippingMasks(E)),E.reverse()),t.renderLayer(t,f,T,E)}if(this.options.showTileBoundaries){var _=this.style.sourceCaches[Object.keys(this.style.sourceCaches)[0]];_&&draw.debug(this,_,_.getVisibleCoordinates())}},Painter.prototype._setup3DRenderbuffer=function(){if(!this.depthRbo){var e=this.gl;this.depthRbo=e.createRenderbuffer(),e.bindRenderbuffer(e.RENDERBUFFER,this.depthRbo),e.renderbufferStorage(e.RENDERBUFFER,e.DEPTH_COMPONENT16,this.width,this.height),e.bindRenderbuffer(e.RENDERBUFFER,null)}this.depthRboAttached=!0},Painter.prototype.depthMask=function(e){e!==this._depthMask&&(this._depthMask=e,this.gl.depthMask(e))},Painter.prototype.renderLayer=function(e,r,t,i){t.isHidden(this.transform.zoom)||(\"background\"===t.type||i.length)&&(this.id=t.id,draw[t.type](e,r,t,i))},Painter.prototype.setDepthSublayer=function(e){var r=1-((1+this.currentLayer)*this.numSublayers+e)*this.depthEpsilon,t=r-1+this.depthRange;this.gl.depthRange(t,r)},Painter.prototype.translatePosMatrix=function(e,r,t,i,a){if(!t[0]&&!t[1])return e;var s=a?\"map\"===i?this.transform.angle:0:\"viewport\"===i?-this.transform.angle:0;if(s){var n=Math.sin(s),o=Math.cos(s);t=[t[0]*o-t[1]*n,t[0]*n+t[1]*o]}var l=[a?t[0]:pixelsToTileUnits(r,t[0],this.transform.zoom),a?t[1]:pixelsToTileUnits(r,t[1],this.transform.zoom),0],h=new Float32Array(16);return mat4.translate(h,e,l),h},Painter.prototype.saveTileTexture=function(e){var r=this._tileTextures[e.size];r?r.push(e):this._tileTextures[e.size]=[e]},Painter.prototype.getTileTexture=function(e){var r=this._tileTextures[e];return r&&r.length>0?r.pop():null},Painter.prototype.lineWidth=function(e){this.gl.lineWidth(util.clamp(e,this.lineWidthRange[0],this.lineWidthRange[1]))},Painter.prototype.showOverdrawInspector=function(e){if(e||this._showOverdrawInspector){this._showOverdrawInspector=e;var r=this.gl;if(e){r.blendFunc(r.CONSTANT_COLOR,r.ONE);r.blendColor(1/8,1/8,1/8,0),r.clearColor(0,0,0,1),r.clear(r.COLOR_BUFFER_BIT)}else r.blendFunc(r.ONE,r.ONE_MINUS_SRC_ALPHA)}},Painter.prototype._createProgramCached=function(e,r){this.cache=this.cache||{};var t=\"\"+e+(r.cacheKey||\"\")+(this._showOverdrawInspector?\"/overdraw\":\"\");return this.cache[t]||(this.cache[t]=new Program(this.gl,shaders[e],r,this._showOverdrawInspector)),this.cache[t]},Painter.prototype.useProgram=function(e,r){var t=this.gl,i=this._createProgramCached(e,r||this.emptyProgramConfiguration);return this.currentProgram!==i&&(t.useProgram(i.program),this.currentProgram=i),i},module.exports=Painter;\n},{\"../data/extent\":48,\"../data/pos_array\":52,\"../data/program_configuration\":53,\"../data/raster_bounds_array\":54,\"../gl/vertex_buffer\":62,\"../shaders\":86,\"../source/pixels_to_tile_units\":93,\"../source/source_cache\":98,\"../util/browser\":202,\"../util/util\":223,\"./draw_background\":64,\"./draw_circle\":65,\"./draw_debug\":67,\"./draw_fill\":68,\"./draw_fill_extrusion\":69,\"./draw_line\":70,\"./draw_raster\":71,\"./draw_symbol\":72,\"./frame_history\":73,\"./program\":81,\"./render_texture\":82,\"./vertex_array_object\":84,\"@mapbox/gl-matrix\":1}],80:[function(_dereq_,module,exports){\n\"use strict\";var pixelsToTileUnits=_dereq_(\"../source/pixels_to_tile_units\");exports.isPatternMissing=function(r,i){if(!r)return!1;var e=i.imageManager.getPattern(r.from),o=i.imageManager.getPattern(r.to);return!e||!o},exports.prepare=function(r,i,e){var o=i.gl,t=i.imageManager.getPattern(r.from),n=i.imageManager.getPattern(r.to);o.uniform1i(e.uniforms.u_image,0),o.uniform2fv(e.uniforms.u_pattern_tl_a,t.tl),o.uniform2fv(e.uniforms.u_pattern_br_a,t.br),o.uniform2fv(e.uniforms.u_pattern_tl_b,n.tl),o.uniform2fv(e.uniforms.u_pattern_br_b,n.br);var u=i.imageManager.getPixelSize(),a=u.width,f=u.height;o.uniform2fv(e.uniforms.u_texsize,[a,f]),o.uniform1f(e.uniforms.u_mix,r.t),o.uniform2fv(e.uniforms.u_pattern_size_a,t.displaySize),o.uniform2fv(e.uniforms.u_pattern_size_b,n.displaySize),o.uniform1f(e.uniforms.u_scale_a,r.fromScale),o.uniform1f(e.uniforms.u_scale_b,r.toScale),o.activeTexture(o.TEXTURE0),i.imageManager.bind(o)},exports.setTile=function(r,i,e){var o=i.gl;o.uniform1f(e.uniforms.u_tile_units_to_pixels,1/pixelsToTileUnits(r,1,i.transform.tileZoom));var t=Math.pow(2,r.coord.z),n=r.tileSize*Math.pow(2,i.transform.tileZoom)/t,u=n*(r.coord.x+r.coord.w*t),a=n*r.coord.y;o.uniform2f(e.uniforms.u_pixel_coord_upper,u>>16,a>>16),o.uniform2f(e.uniforms.u_pixel_coord_lower,65535&u,65535&a)};\n},{\"../source/pixels_to_tile_units\":93}],81:[function(_dereq_,module,exports){\n\"use strict\";var browser=_dereq_(\"../util/browser\"),shaders=_dereq_(\"../shaders\"),ref=_dereq_(\"../data/program_configuration\"),ProgramConfiguration=ref.ProgramConfiguration,VertexArrayObject=_dereq_(\"./vertex_array_object\"),Program=function(r,e,t,a){var o=this;this.gl=r,this.program=r.createProgram();var i=t.defines().concat(\"#define DEVICE_PIXEL_RATIO \"+browser.devicePixelRatio.toFixed(1));a&&i.push(\"#define OVERDRAW_INSPECTOR;\");var n=i.concat(shaders.prelude.fragmentSource,e.fragmentSource).join(\"\\n\"),s=i.concat(shaders.prelude.vertexSource,e.vertexSource).join(\"\\n\"),m=r.createShader(r.FRAGMENT_SHADER);r.shaderSource(m,n),r.compileShader(m),r.attachShader(this.program,m);var g=r.createShader(r.VERTEX_SHADER);r.shaderSource(g,s),r.compileShader(g),r.attachShader(this.program,g);for(var c=t.interface?t.interface.layoutAttributes:[],u=0;u<c.length;u++)r.bindAttribLocation(o.program,u,c[u].name);r.linkProgram(this.program),this.numAttributes=r.getProgramParameter(this.program,r.ACTIVE_ATTRIBUTES),this.attributes={},this.uniforms={};for(var h=0;h<this.numAttributes;h++){var f=r.getActiveAttrib(o.program,h);f&&(o.attributes[f.name]=r.getAttribLocation(o.program,f.name))}for(var d=r.getProgramParameter(this.program,r.ACTIVE_UNIFORMS),p=0;p<d;p++){var v=r.getActiveUniform(o.program,p);v&&(o.uniforms[v.name]=r.getUniformLocation(o.program,v.name))}};Program.prototype.draw=function(r,e,t,a,o,i,n,s){for(var m,g=this,c=(m={},m[r.LINES]=2,m[r.TRIANGLES]=3,m)[e],u=0,h=i.get();u<h.length;u+=1){var f=h[u],d=f.vaos||(f.vaos={});(d[t]||(d[t]=new VertexArrayObject)).bind(r,g,a,o,n&&n.paintVertexBuffer,f.vertexOffset,s),r.drawElements(e,f.primitiveLength*c,r.UNSIGNED_SHORT,f.primitiveOffset*c*2)}},module.exports=Program;\n},{\"../data/program_configuration\":53,\"../shaders\":86,\"../util/browser\":202,\"./vertex_array_object\":84}],82:[function(_dereq_,module,exports){\n\"use strict\";var VertexBuffer=_dereq_(\"../gl/vertex_buffer\"),VertexArrayObject=_dereq_(\"./vertex_array_object\"),PosArray=_dereq_(\"../data/pos_array\"),RenderTexture=function(e){var r=this.gl=e.gl,t=this.texture=r.createTexture();r.bindTexture(r.TEXTURE_2D,t),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MIN_FILTER,r.LINEAR),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MAG_FILTER,r.LINEAR),r.texImage2D(r.TEXTURE_2D,0,r.RGBA,e.width,e.height,0,r.RGBA,r.UNSIGNED_BYTE,null),r.bindTexture(r.TEXTURE_2D,null);var E=this.fbo=r.createFramebuffer();r.bindFramebuffer(r.FRAMEBUFFER,E),r.framebufferTexture2D(r.FRAMEBUFFER,r.COLOR_ATTACHMENT0,r.TEXTURE_2D,t,0);var a=new PosArray;a.emplaceBack(0,0),a.emplaceBack(1,0),a.emplaceBack(0,1),a.emplaceBack(1,1),this.buffer=new VertexBuffer(r,a),this.vao=new VertexArrayObject};RenderTexture.prototype.bindWithDepth=function(e){var r=this.gl;r.bindFramebuffer(r.FRAMEBUFFER,this.fbo),this.attachedRbo!==e&&(r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.RENDERBUFFER,e),this.attachedRbo=e)},RenderTexture.prototype.unbind=function(){var e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null)},module.exports=RenderTexture;\n},{\"../data/pos_array\":52,\"../gl/vertex_buffer\":62,\"./vertex_array_object\":84}],83:[function(_dereq_,module,exports){\n\"use strict\";var Texture=function(t,e,i){this.gl=t;var r=e.width,T=e.height;this.size=[r,T],this.format=i,this.texture=t.createTexture(),this.update(e)};Texture.prototype.update=function(t){var e=t.width,i=t.height,r=t.data;this.size=[e,i];var T=this,E=T.gl;E.bindTexture(E.TEXTURE_2D,this.texture),E.pixelStorei(E.UNPACK_ALIGNMENT,1),this.format===E.RGBA&&E.pixelStorei(E.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),E.texImage2D(E.TEXTURE_2D,0,this.format,e,i,0,this.format,E.UNSIGNED_BYTE,r)},Texture.prototype.bind=function(t,e){var i=this,r=i.gl;r.bindTexture(r.TEXTURE_2D,this.texture),t!==this.filter&&(r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MAG_FILTER,t),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MIN_FILTER,t),this.filter=t),e!==this.wrap&&(r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,e),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,e),this.wrap=e)},Texture.prototype.destroy=function(){this.gl.deleteTexture(this.texture),this.texture=null},module.exports=Texture;\n},{}],84:[function(_dereq_,module,exports){\n\"use strict\";var VertexArrayObject=function(){this.boundProgram=null,this.boundVertexBuffer=null,this.boundVertexBuffer2=null,this.boundIndexBuffer=null,this.boundVertexOffset=null,this.boundDynamicVertexBuffer=null,this.vao=null};VertexArrayObject.prototype.bind=function(e,t,r,i,n,s,u){void 0===e.extVertexArrayObject&&(e.extVertexArrayObject=e.getExtension(\"OES_vertex_array_object\"));var b=!this.vao||this.boundProgram!==t||this.boundVertexBuffer!==r||this.boundVertexBuffer2!==n||this.boundIndexBuffer!==i||this.boundVertexOffset!==s||this.boundDynamicVertexBuffer!==u;!e.extVertexArrayObject||b?(this.freshBind(e,t,r,i,n,s,u),this.gl=e):(e.extVertexArrayObject.bindVertexArrayOES(this.vao),u&&u.bind())},VertexArrayObject.prototype.freshBind=function(e,t,r,i,n,s,u){var b,o=t.numAttributes;if(e.extVertexArrayObject)this.vao&&this.destroy(),this.vao=e.extVertexArrayObject.createVertexArrayOES(),e.extVertexArrayObject.bindVertexArrayOES(this.vao),b=0,this.boundProgram=t,this.boundVertexBuffer=r,this.boundVertexBuffer2=n,this.boundIndexBuffer=i,this.boundVertexOffset=s,this.boundDynamicVertexBuffer=u;else{b=e.currentNumAttributes||0;for(var x=o;x<b;x++)e.disableVertexAttribArray(x)}r.enableAttributes(e,t),n&&n.enableAttributes(e,t),u&&u.enableAttributes(e,t),r.bind(),r.setVertexAttribPointers(e,t,s),n&&(n.bind(),n.setVertexAttribPointers(e,t,s)),u&&(u.bind(),u.setVertexAttribPointers(e,t,s)),i&&i.bind(),e.currentNumAttributes=o},VertexArrayObject.prototype.destroy=function(){this.vao&&(this.gl.extVertexArrayObject.deleteVertexArrayOES(this.vao),this.vao=null)},module.exports=VertexArrayObject;\n},{}],85:[function(_dereq_,module,exports){\n\"use strict\";var util=_dereq_(\"../util/util\");exports.packUint8ToFloat=function(t,l){return t=util.clamp(Math.floor(t),0,255),l=util.clamp(Math.floor(l),0,255),256*t+l};\n},{\"../util/util\":223}],86:[function(_dereq_,module,exports){\n\"use strict\";var shaders={prelude:{fragmentSource:\"#ifdef GL_ES\\nprecision mediump float;\\n#else\\n\\n#if !defined(lowp)\\n#define lowp\\n#endif\\n\\n#if !defined(mediump)\\n#define mediump\\n#endif\\n\\n#if !defined(highp)\\n#define highp\\n#endif\\n\\n#endif\\n\",vertexSource:\"#ifdef GL_ES\\nprecision highp float;\\n#else\\n\\n#if !defined(lowp)\\n#define lowp\\n#endif\\n\\n#if !defined(mediump)\\n#define mediump\\n#endif\\n\\n#if !defined(highp)\\n#define highp\\n#endif\\n\\n#endif\\n\\n// Unpack a pair of values that have been packed into a single float.\\n// The packed values are assumed to be 8-bit unsigned integers, and are\\n// packed like so:\\n// packedValue = floor(input[0]) * 256 + input[1],\\nvec2 unpack_float(const float packedValue) {\\n    int packedIntValue = int(packedValue);\\n    int v0 = packedIntValue / 256;\\n    return vec2(v0, packedIntValue - v0 * 256);\\n}\\n\\n\\n// To minimize the number of attributes needed, we encode a 4-component\\n// color into a pair of floats (i.e. a vec2) as follows:\\n// [ floor(color.r * 255) * 256 + color.g * 255,\\n//   floor(color.b * 255) * 256 + color.g * 255 ]\\nvec4 decode_color(const vec2 encodedColor) {\\n    return vec4(\\n        unpack_float(encodedColor[0]) / 255.0,\\n        unpack_float(encodedColor[1]) / 255.0\\n    );\\n}\\n\\n// Unpack a pair of paint values and interpolate between them.\\nfloat unpack_mix_vec2(const vec2 packedValue, const float t) {\\n    return mix(packedValue[0], packedValue[1], t);\\n}\\n\\n// Unpack a pair of paint values and interpolate between them.\\nvec4 unpack_mix_vec4(const vec4 packedColors, const float t) {\\n    vec4 minColor = decode_color(vec2(packedColors[0], packedColors[1]));\\n    vec4 maxColor = decode_color(vec2(packedColors[2], packedColors[3]));\\n    return mix(minColor, maxColor, t);\\n}\\n\\n// The offset depends on how many pixels are between the world origin and the edge of the tile:\\n// vec2 offset = mod(pixel_coord, size)\\n//\\n// At high zoom levels there are a ton of pixels between the world origin and the edge of the tile.\\n// The glsl spec only guarantees 16 bits of precision for highp floats. We need more than that.\\n//\\n// The pixel_coord is passed in as two 16 bit values:\\n// pixel_coord_upper = floor(pixel_coord / 2^16)\\n// pixel_coord_lower = mod(pixel_coord, 2^16)\\n//\\n// The offset is calculated in a series of steps that should preserve this precision:\\nvec2 get_pattern_pos(const vec2 pixel_coord_upper, const vec2 pixel_coord_lower,\\n    const vec2 pattern_size, const float tile_units_to_pixels, const vec2 pos) {\\n\\n    vec2 offset = mod(mod(mod(pixel_coord_upper, pattern_size) * 256.0, pattern_size) * 256.0 + pixel_coord_lower, pattern_size);\\n    return (tile_units_to_pixels * pos + offset) / pattern_size;\\n}\\n\"},circle:{fragmentSource:\"#pragma mapbox: define highp vec4 color\\n#pragma mapbox: define mediump float radius\\n#pragma mapbox: define lowp float blur\\n#pragma mapbox: define lowp float opacity\\n#pragma mapbox: define highp vec4 stroke_color\\n#pragma mapbox: define mediump float stroke_width\\n#pragma mapbox: define lowp float stroke_opacity\\n\\nvarying vec3 v_data;\\n\\nvoid main() {\\n    #pragma mapbox: initialize highp vec4 color\\n    #pragma mapbox: initialize mediump float radius\\n    #pragma mapbox: initialize lowp float blur\\n    #pragma mapbox: initialize lowp float opacity\\n    #pragma mapbox: initialize highp vec4 stroke_color\\n    #pragma mapbox: initialize mediump float stroke_width\\n    #pragma mapbox: initialize lowp float stroke_opacity\\n\\n    vec2 extrude = v_data.xy;\\n    float extrude_length = length(extrude);\\n\\n    lowp float antialiasblur = v_data.z;\\n    float antialiased_blur = -max(blur, antialiasblur);\\n\\n    float opacity_t = smoothstep(0.0, antialiased_blur, extrude_length - 1.0);\\n\\n    float color_t = stroke_width < 0.01 ? 0.0 : smoothstep(\\n        antialiased_blur,\\n        0.0,\\n        extrude_length - radius / (radius + stroke_width)\\n    );\\n\\n    gl_FragColor = opacity_t * mix(color * opacity, stroke_color * stroke_opacity, color_t);\\n\\n#ifdef OVERDRAW_INSPECTOR\\n    gl_FragColor = vec4(1.0);\\n#endif\\n}\\n\",vertexSource:\"uniform mat4 u_matrix;\\nuniform bool u_scale_with_map;\\nuniform bool u_pitch_with_map;\\nuniform vec2 u_extrude_scale;\\nuniform highp float u_camera_to_center_distance;\\n\\nattribute vec2 a_pos;\\n\\n#pragma mapbox: define highp vec4 color\\n#pragma mapbox: define mediump float radius\\n#pragma mapbox: define lowp float blur\\n#pragma mapbox: define lowp float opacity\\n#pragma mapbox: define highp vec4 stroke_color\\n#pragma mapbox: define mediump float stroke_width\\n#pragma mapbox: define lowp float stroke_opacity\\n\\nvarying vec3 v_data;\\n\\nvoid main(void) {\\n    #pragma mapbox: initialize highp vec4 color\\n    #pragma mapbox: initialize mediump float radius\\n    #pragma mapbox: initialize lowp float blur\\n    #pragma mapbox: initialize lowp float opacity\\n    #pragma mapbox: initialize highp vec4 stroke_color\\n    #pragma mapbox: initialize mediump float stroke_width\\n    #pragma mapbox: initialize lowp float stroke_opacity\\n\\n    // unencode the extrusion vector that we snuck into the a_pos vector\\n    vec2 extrude = vec2(mod(a_pos, 2.0) * 2.0 - 1.0);\\n\\n    // multiply a_pos by 0.5, since we had it * 2 in order to sneak\\n    // in extrusion data\\n    vec2 circle_center = floor(a_pos * 0.5);\\n    if (u_pitch_with_map) {\\n        vec2 corner_position = circle_center;\\n        if (u_scale_with_map) {\\n            corner_position += extrude * (radius + stroke_width) * u_extrude_scale;\\n        } else {\\n            // Pitching the circle with the map effectively scales it with the map\\n            // To counteract the effect for pitch-scale: viewport, we rescale the\\n            // whole circle based on the pitch scaling effect at its central point\\n            vec4 projected_center = u_matrix * vec4(circle_center, 0, 1);\\n            corner_position += extrude * (radius + stroke_width) * u_extrude_scale * (projected_center.w / u_camera_to_center_distance);\\n        }\\n\\n        gl_Position = u_matrix * vec4(corner_position, 0, 1);\\n    } else {\\n        gl_Position = u_matrix * vec4(circle_center, 0, 1);\\n\\n        if (u_scale_with_map) {\\n            gl_Position.xy += extrude * (radius + stroke_width) * u_extrude_scale * u_camera_to_center_distance;\\n        } else {\\n            gl_Position.xy += extrude * (radius + stroke_width) * u_extrude_scale * gl_Position.w;\\n        }\\n    }\\n\\n    // This is a minimum blur distance that serves as a faux-antialiasing for\\n    // the circle. since blur is a ratio of the circle's size and the intent is\\n    // to keep the blur at roughly 1px, the two are inversely related.\\n    lowp float antialiasblur = 1.0 / DEVICE_PIXEL_RATIO / (radius + stroke_width);\\n\\n    v_data = vec3(extrude.x, extrude.y, antialiasblur);\\n}\\n\"},collisionBox:{fragmentSource:\"uniform float u_zoom;\\n// u_maxzoom is derived from the maximum scale considered by the CollisionTile\\n// Labels with placement zoom greater than this value will not be placed,\\n// regardless of perspective effects.\\nuniform float u_maxzoom;\\nuniform sampler2D u_fadetexture;\\n\\n// v_max_zoom is a collision-box-specific value that controls when line-following\\n// collision boxes are used.\\nvarying float v_max_zoom;\\nvarying float v_placement_zoom;\\nvarying float v_perspective_zoom_adjust;\\nvarying vec2 v_fade_tex;\\n\\nvoid main() {\\n\\n    float alpha = 0.5;\\n\\n    // Green = no collisions, label is showing\\n    gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0) * alpha;\\n\\n    // Red = collision, label hidden\\n    if (texture2D(u_fadetexture, v_fade_tex).a < 1.0) {\\n        gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0) * alpha;\\n    }\\n\\n    // Faded black = this collision box is not used at this zoom (for curved labels)\\n    if (u_zoom >= v_max_zoom + v_perspective_zoom_adjust) {\\n        gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0) * alpha * 0.25;\\n    }\\n\\n    // Faded blue = the placement scale for this label is beyond the CollisionTile\\n    // max scale, so it's impossible for this label to show without collision detection\\n    // being run again (the label's glyphs haven't even been added to the symbol bucket)\\n    if (v_placement_zoom >= u_maxzoom) {\\n        gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0) * alpha * 0.2;\\n    }\\n}\\n\",vertexSource:\"attribute vec2 a_pos;\\nattribute vec2 a_anchor_pos;\\nattribute vec2 a_extrude;\\nattribute vec2 a_data;\\n\\nuniform mat4 u_matrix;\\nuniform float u_scale;\\nuniform float u_pitch;\\nuniform float u_collision_y_stretch;\\nuniform float u_camera_to_center_distance;\\n\\nvarying float v_max_zoom;\\nvarying float v_placement_zoom;\\nvarying float v_perspective_zoom_adjust;\\nvarying vec2 v_fade_tex;\\n\\nvoid main() {\\n    vec4 projectedPoint = u_matrix * vec4(a_anchor_pos, 0, 1);\\n    highp float camera_to_anchor_distance = projectedPoint.w;\\n    highp float collision_perspective_ratio = 1.0 + 0.5 * ((camera_to_anchor_distance / u_camera_to_center_distance) - 1.0);\\n\\n    highp float incidence_stretch  = camera_to_anchor_distance / (u_camera_to_center_distance * cos(u_pitch));\\n    highp float collision_adjustment = max(1.0, incidence_stretch / u_collision_y_stretch);\\n\\n    gl_Position = u_matrix * vec4(a_pos + a_extrude * collision_perspective_ratio * collision_adjustment / u_scale, 0.0, 1.0);\\n\\n    v_max_zoom = a_data.x;\\n    v_placement_zoom = a_data.y;\\n\\n    v_perspective_zoom_adjust = floor(log2(collision_perspective_ratio * collision_adjustment) * 10.0);\\n    v_fade_tex = vec2((v_placement_zoom + v_perspective_zoom_adjust) / 255.0, 0.0);\\n}\\n\"},debug:{fragmentSource:\"uniform highp vec4 u_color;\\n\\nvoid main() {\\n    gl_FragColor = u_color;\\n}\\n\",vertexSource:\"attribute vec2 a_pos;\\n\\nuniform mat4 u_matrix;\\n\\nvoid main() {\\n    // We are using Int16 for texture position coordinates to give us enough precision for\\n    // fractional coordinates. We use 8192 to scale the texture coordinates in the buffer\\n    // as an arbitrarily high number to preserve adequate precision when rendering.\\n    // This is also the same value as the EXTENT we are using for our tile buffer pos coordinates,\\n    // so math for modifying either is consistent.\\n    gl_Position = u_matrix * vec4(a_pos, step(8192.0, a_pos.x), 1);\\n}\\n\"},fill:{fragmentSource:\"#pragma mapbox: define highp vec4 color\\n#pragma mapbox: define lowp float opacity\\n\\nvoid main() {\\n    #pragma mapbox: initialize highp vec4 color\\n    #pragma mapbox: initialize lowp float opacity\\n\\n    gl_FragColor = color * opacity;\\n\\n#ifdef OVERDRAW_INSPECTOR\\n    gl_FragColor = vec4(1.0);\\n#endif\\n}\\n\",vertexSource:\"attribute vec2 a_pos;\\n\\nuniform mat4 u_matrix;\\n\\n#pragma mapbox: define highp vec4 color\\n#pragma mapbox: define lowp float opacity\\n\\nvoid main() {\\n    #pragma mapbox: initialize highp vec4 color\\n    #pragma mapbox: initialize lowp float opacity\\n\\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\\n}\\n\"},fillOutline:{fragmentSource:\"#pragma mapbox: define highp vec4 outline_color\\n#pragma mapbox: define lowp float opacity\\n\\nvarying vec2 v_pos;\\n\\nvoid main() {\\n    #pragma mapbox: initialize highp vec4 outline_color\\n    #pragma mapbox: initialize lowp float opacity\\n\\n    float dist = length(v_pos - gl_FragCoord.xy);\\n    float alpha = 1.0 - smoothstep(0.0, 1.0, dist);\\n    gl_FragColor = outline_color * (alpha * opacity);\\n\\n#ifdef OVERDRAW_INSPECTOR\\n    gl_FragColor = vec4(1.0);\\n#endif\\n}\\n\",vertexSource:\"attribute vec2 a_pos;\\n\\nuniform mat4 u_matrix;\\nuniform vec2 u_world;\\n\\nvarying vec2 v_pos;\\n\\n#pragma mapbox: define highp vec4 outline_color\\n#pragma mapbox: define lowp float opacity\\n\\nvoid main() {\\n    #pragma mapbox: initialize highp vec4 outline_color\\n    #pragma mapbox: initialize lowp float opacity\\n\\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\\n    v_pos = (gl_Position.xy / gl_Position.w + 1.0) / 2.0 * u_world;\\n}\\n\"},fillOutlinePattern:{fragmentSource:\"uniform vec2 u_pattern_tl_a;\\nuniform vec2 u_pattern_br_a;\\nuniform vec2 u_pattern_tl_b;\\nuniform vec2 u_pattern_br_b;\\nuniform vec2 u_texsize;\\nuniform float u_mix;\\n\\nuniform sampler2D u_image;\\n\\nvarying vec2 v_pos_a;\\nvarying vec2 v_pos_b;\\nvarying vec2 v_pos;\\n\\n#pragma mapbox: define lowp float opacity\\n\\nvoid main() {\\n    #pragma mapbox: initialize lowp float opacity\\n\\n    vec2 imagecoord = mod(v_pos_a, 1.0);\\n    vec2 pos = mix(u_pattern_tl_a / u_texsize, u_pattern_br_a / u_texsize, imagecoord);\\n    vec4 color1 = texture2D(u_image, pos);\\n\\n    vec2 imagecoord_b = mod(v_pos_b, 1.0);\\n    vec2 pos2 = mix(u_pattern_tl_b / u_texsize, u_pattern_br_b / u_texsize, imagecoord_b);\\n    vec4 color2 = texture2D(u_image, pos2);\\n\\n    // find distance to outline for alpha interpolation\\n\\n    float dist = length(v_pos - gl_FragCoord.xy);\\n    float alpha = 1.0 - smoothstep(0.0, 1.0, dist);\\n\\n\\n    gl_FragColor = mix(color1, color2, u_mix) * alpha * opacity;\\n\\n#ifdef OVERDRAW_INSPECTOR\\n    gl_FragColor = vec4(1.0);\\n#endif\\n}\\n\",vertexSource:\"uniform mat4 u_matrix;\\nuniform vec2 u_world;\\nuniform vec2 u_pattern_size_a;\\nuniform vec2 u_pattern_size_b;\\nuniform vec2 u_pixel_coord_upper;\\nuniform vec2 u_pixel_coord_lower;\\nuniform float u_scale_a;\\nuniform float u_scale_b;\\nuniform float u_tile_units_to_pixels;\\n\\nattribute vec2 a_pos;\\n\\nvarying vec2 v_pos_a;\\nvarying vec2 v_pos_b;\\nvarying vec2 v_pos;\\n\\n#pragma mapbox: define lowp float opacity\\n\\nvoid main() {\\n    #pragma mapbox: initialize lowp float opacity\\n\\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\\n\\n    v_pos_a = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_a * u_pattern_size_a, u_tile_units_to_pixels, a_pos);\\n    v_pos_b = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_b * u_pattern_size_b, u_tile_units_to_pixels, a_pos);\\n\\n    v_pos = (gl_Position.xy / gl_Position.w + 1.0) / 2.0 * u_world;\\n}\\n\"},fillPattern:{fragmentSource:\"uniform vec2 u_pattern_tl_a;\\nuniform vec2 u_pattern_br_a;\\nuniform vec2 u_pattern_tl_b;\\nuniform vec2 u_pattern_br_b;\\nuniform vec2 u_texsize;\\nuniform float u_mix;\\n\\nuniform sampler2D u_image;\\n\\nvarying vec2 v_pos_a;\\nvarying vec2 v_pos_b;\\n\\n#pragma mapbox: define lowp float opacity\\n\\nvoid main() {\\n    #pragma mapbox: initialize lowp float opacity\\n\\n    vec2 imagecoord = mod(v_pos_a, 1.0);\\n    vec2 pos = mix(u_pattern_tl_a / u_texsize, u_pattern_br_a / u_texsize, imagecoord);\\n    vec4 color1 = texture2D(u_image, pos);\\n\\n    vec2 imagecoord_b = mod(v_pos_b, 1.0);\\n    vec2 pos2 = mix(u_pattern_tl_b / u_texsize, u_pattern_br_b / u_texsize, imagecoord_b);\\n    vec4 color2 = texture2D(u_image, pos2);\\n\\n    gl_FragColor = mix(color1, color2, u_mix) * opacity;\\n\\n#ifdef OVERDRAW_INSPECTOR\\n    gl_FragColor = vec4(1.0);\\n#endif\\n}\\n\",vertexSource:\"uniform mat4 u_matrix;\\nuniform vec2 u_pattern_size_a;\\nuniform vec2 u_pattern_size_b;\\nuniform vec2 u_pixel_coord_upper;\\nuniform vec2 u_pixel_coord_lower;\\nuniform float u_scale_a;\\nuniform float u_scale_b;\\nuniform float u_tile_units_to_pixels;\\n\\nattribute vec2 a_pos;\\n\\nvarying vec2 v_pos_a;\\nvarying vec2 v_pos_b;\\n\\n#pragma mapbox: define lowp float opacity\\n\\nvoid main() {\\n    #pragma mapbox: initialize lowp float opacity\\n\\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\\n\\n    v_pos_a = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_a * u_pattern_size_a, u_tile_units_to_pixels, a_pos);\\n    v_pos_b = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_b * u_pattern_size_b, u_tile_units_to_pixels, a_pos);\\n}\\n\"},fillExtrusion:{fragmentSource:\"varying vec4 v_color;\\n#pragma mapbox: define lowp float base\\n#pragma mapbox: define lowp float height\\n#pragma mapbox: define highp vec4 color\\n\\nvoid main() {\\n    #pragma mapbox: initialize lowp float base\\n    #pragma mapbox: initialize lowp float height\\n    #pragma mapbox: initialize highp vec4 color\\n\\n    gl_FragColor = v_color;\\n\\n#ifdef OVERDRAW_INSPECTOR\\n    gl_FragColor = vec4(1.0);\\n#endif\\n}\\n\",vertexSource:\"uniform mat4 u_matrix;\\nuniform vec3 u_lightcolor;\\nuniform lowp vec3 u_lightpos;\\nuniform lowp float u_lightintensity;\\n\\nattribute vec2 a_pos;\\nattribute vec3 a_normal;\\nattribute float a_edgedistance;\\n\\nvarying vec4 v_color;\\n\\n#pragma mapbox: define lowp float base\\n#pragma mapbox: define lowp float height\\n\\n#pragma mapbox: define highp vec4 color\\n\\nvoid main() {\\n    #pragma mapbox: initialize lowp float base\\n    #pragma mapbox: initialize lowp float height\\n    #pragma mapbox: initialize highp vec4 color\\n\\n    base = max(0.0, base);\\n    height = max(0.0, height);\\n\\n    float ed = a_edgedistance; // use each attrib in order to not trip a VAO assert\\n    float t = mod(a_normal.x, 2.0);\\n\\n    gl_Position = u_matrix * vec4(a_pos, t > 0.0 ? height : base, 1);\\n\\n    // Relative luminance (how dark/bright is the surface color?)\\n    float colorvalue = color.r * 0.2126 + color.g * 0.7152 + color.b * 0.0722;\\n\\n    v_color = vec4(0.0, 0.0, 0.0, 1.0);\\n\\n    // Add slight ambient lighting so no extrusions are totally black\\n    vec4 ambientlight = vec4(0.03, 0.03, 0.03, 1.0);\\n    color += ambientlight;\\n\\n    // Calculate cos(theta), where theta is the angle between surface normal and diffuse light ray\\n    float directional = clamp(dot(a_normal / 16384.0, u_lightpos), 0.0, 1.0);\\n\\n    // Adjust directional so that\\n    // the range of values for highlight/shading is narrower\\n    // with lower light intensity\\n    // and with lighter/brighter surface colors\\n    directional = mix((1.0 - u_lightintensity), max((1.0 - colorvalue + u_lightintensity), 1.0), directional);\\n\\n    // Add gradient along z axis of side surfaces\\n    if (a_normal.y != 0.0) {\\n        directional *= clamp((t + base) * pow(height / 150.0, 0.5), mix(0.7, 0.98, 1.0 - u_lightintensity), 1.0);\\n    }\\n\\n    // Assign final color based on surface + ambient light color, diffuse light directional, and light color\\n    // with lower bounds adjusted to hue of light\\n    // so that shading is tinted with the complementary (opposite) color to the light color\\n    v_color.r += clamp(color.r * directional * u_lightcolor.r, mix(0.0, 0.3, 1.0 - u_lightcolor.r), 1.0);\\n    v_color.g += clamp(color.g * directional * u_lightcolor.g, mix(0.0, 0.3, 1.0 - u_lightcolor.g), 1.0);\\n    v_color.b += clamp(color.b * directional * u_lightcolor.b, mix(0.0, 0.3, 1.0 - u_lightcolor.b), 1.0);\\n}\\n\"},fillExtrusionPattern:{fragmentSource:\"uniform vec2 u_pattern_tl_a;\\nuniform vec2 u_pattern_br_a;\\nuniform vec2 u_pattern_tl_b;\\nuniform vec2 u_pattern_br_b;\\nuniform vec2 u_texsize;\\nuniform float u_mix;\\n\\nuniform sampler2D u_image;\\n\\nvarying vec2 v_pos_a;\\nvarying vec2 v_pos_b;\\nvarying vec4 v_lighting;\\n\\n#pragma mapbox: define lowp float base\\n#pragma mapbox: define lowp float height\\n\\nvoid main() {\\n    #pragma mapbox: initialize lowp float base\\n    #pragma mapbox: initialize lowp float height\\n\\n    vec2 imagecoord = mod(v_pos_a, 1.0);\\n    vec2 pos = mix(u_pattern_tl_a / u_texsize, u_pattern_br_a / u_texsize, imagecoord);\\n    vec4 color1 = texture2D(u_image, pos);\\n\\n    vec2 imagecoord_b = mod(v_pos_b, 1.0);\\n    vec2 pos2 = mix(u_pattern_tl_b / u_texsize, u_pattern_br_b / u_texsize, imagecoord_b);\\n    vec4 color2 = texture2D(u_image, pos2);\\n\\n    vec4 mixedColor = mix(color1, color2, u_mix);\\n\\n    gl_FragColor = mixedColor * v_lighting;\\n\\n#ifdef OVERDRAW_INSPECTOR\\n    gl_FragColor = vec4(1.0);\\n#endif\\n}\\n\",vertexSource:\"uniform mat4 u_matrix;\\nuniform vec2 u_pattern_size_a;\\nuniform vec2 u_pattern_size_b;\\nuniform vec2 u_pixel_coord_upper;\\nuniform vec2 u_pixel_coord_lower;\\nuniform float u_scale_a;\\nuniform float u_scale_b;\\nuniform float u_tile_units_to_pixels;\\nuniform float u_height_factor;\\n\\nuniform vec3 u_lightcolor;\\nuniform lowp vec3 u_lightpos;\\nuniform lowp float u_lightintensity;\\n\\nattribute vec2 a_pos;\\nattribute vec3 a_normal;\\nattribute float a_edgedistance;\\n\\nvarying vec2 v_pos_a;\\nvarying vec2 v_pos_b;\\nvarying vec4 v_lighting;\\nvarying float v_directional;\\n\\n#pragma mapbox: define lowp float base\\n#pragma mapbox: define lowp float height\\n\\nvoid main() {\\n    #pragma mapbox: initialize lowp float base\\n    #pragma mapbox: initialize lowp float height\\n\\n    base = max(0.0, base);\\n    height = max(0.0, height);\\n\\n    float t = mod(a_normal.x, 2.0);\\n    float z = t > 0.0 ? height : base;\\n\\n    gl_Position = u_matrix * vec4(a_pos, z, 1);\\n\\n    vec2 pos = a_normal.x == 1.0 && a_normal.y == 0.0 && a_normal.z == 16384.0\\n        ? a_pos // extrusion top\\n        : vec2(a_edgedistance, z * u_height_factor); // extrusion side\\n\\n    v_pos_a = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_a * u_pattern_size_a, u_tile_units_to_pixels, pos);\\n    v_pos_b = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_b * u_pattern_size_b, u_tile_units_to_pixels, pos);\\n\\n    v_lighting = vec4(0.0, 0.0, 0.0, 1.0);\\n    float directional = clamp(dot(a_normal / 16383.0, u_lightpos), 0.0, 1.0);\\n    directional = mix((1.0 - u_lightintensity), max((0.5 + u_lightintensity), 1.0), directional);\\n\\n    if (a_normal.y != 0.0) {\\n        directional *= clamp((t + base) * pow(height / 150.0, 0.5), mix(0.7, 0.98, 1.0 - u_lightintensity), 1.0);\\n    }\\n\\n    v_lighting.rgb += clamp(directional * u_lightcolor, mix(vec3(0.0), vec3(0.3), 1.0 - u_lightcolor), vec3(1.0));\\n}\\n\"},extrusionTexture:{fragmentSource:\"uniform sampler2D u_image;\\nuniform float u_opacity;\\nvarying vec2 v_pos;\\n\\nvoid main() {\\n    gl_FragColor = texture2D(u_image, v_pos) * u_opacity;\\n\\n#ifdef OVERDRAW_INSPECTOR\\n    gl_FragColor = vec4(0.0);\\n#endif\\n}\\n\",vertexSource:\"uniform mat4 u_matrix;\\nuniform vec2 u_world;\\nattribute vec2 a_pos;\\nvarying vec2 v_pos;\\n\\nvoid main() {\\n    gl_Position = u_matrix * vec4(a_pos * u_world, 0, 1);\\n\\n    v_pos.x = a_pos.x;\\n    v_pos.y = 1.0 - a_pos.y;\\n}\\n\"},line:{fragmentSource:\"#pragma mapbox: define highp vec4 color\\n#pragma mapbox: define lowp float blur\\n#pragma mapbox: define lowp float opacity\\n\\nvarying vec2 v_width2;\\nvarying vec2 v_normal;\\nvarying float v_gamma_scale;\\n\\nvoid main() {\\n    #pragma mapbox: initialize highp vec4 color\\n    #pragma mapbox: initialize lowp float blur\\n    #pragma mapbox: initialize lowp float opacity\\n\\n    // Calculate the distance of the pixel from the line in pixels.\\n    float dist = length(v_normal) * v_width2.s;\\n\\n    // Calculate the antialiasing fade factor. This is either when fading in\\n    // the line in case of an offset line (v_width2.t) or when fading out\\n    // (v_width2.s)\\n    float blur2 = (blur + 1.0 / DEVICE_PIXEL_RATIO) * v_gamma_scale;\\n    float alpha = clamp(min(dist - (v_width2.t - blur2), v_width2.s - dist) / blur2, 0.0, 1.0);\\n\\n    gl_FragColor = color * (alpha * opacity);\\n\\n#ifdef OVERDRAW_INSPECTOR\\n    gl_FragColor = vec4(1.0);\\n#endif\\n}\\n\",vertexSource:\"\\n\\n// the distance over which the line edge fades out.\\n// Retina devices need a smaller distance to avoid aliasing.\\n#define ANTIALIASING 1.0 / DEVICE_PIXEL_RATIO / 2.0\\n\\n// floor(127 / 2) == 63.0\\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\\n// there are also \\\"special\\\" normals that have a bigger length (of up to 126 in\\n// this case).\\n// #define scale 63.0\\n#define scale 0.015873016\\n\\nattribute vec4 a_pos_normal;\\nattribute vec4 a_data;\\n\\nuniform mat4 u_matrix;\\nuniform mediump float u_ratio;\\nuniform vec2 u_gl_units_to_pixels;\\n\\nvarying vec2 v_normal;\\nvarying vec2 v_width2;\\nvarying float v_gamma_scale;\\n\\n#pragma mapbox: define highp vec4 color\\n#pragma mapbox: define lowp float blur\\n#pragma mapbox: define lowp float opacity\\n#pragma mapbox: define mediump float gapwidth\\n#pragma mapbox: define lowp float offset\\n#pragma mapbox: define mediump float width\\n\\nvoid main() {\\n    #pragma mapbox: initialize highp vec4 color\\n    #pragma mapbox: initialize lowp float blur\\n    #pragma mapbox: initialize lowp float opacity\\n    #pragma mapbox: initialize mediump float gapwidth\\n    #pragma mapbox: initialize lowp float offset\\n    #pragma mapbox: initialize mediump float width\\n\\n    vec2 a_extrude = a_data.xy - 128.0;\\n    float a_direction = mod(a_data.z, 4.0) - 1.0;\\n\\n    vec2 pos = a_pos_normal.xy;\\n\\n    // x is 1 if it's a round cap, 0 otherwise\\n    // y is 1 if the normal points up, and -1 if it points down\\n    mediump vec2 normal = a_pos_normal.zw;\\n    v_normal = normal;\\n\\n    // these transformations used to be applied in the JS and native code bases.\\n    // moved them into the shader for clarity and simplicity.\\n    gapwidth = gapwidth / 2.0;\\n    float halfwidth = width / 2.0;\\n    offset = -1.0 * offset;\\n\\n    float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);\\n    float outset = gapwidth + halfwidth * (gapwidth > 0.0 ? 2.0 : 1.0) + ANTIALIASING;\\n\\n    // Scale the extrusion vector down to a normal and then up by the line width\\n    // of this vertex.\\n    mediump vec2 dist = outset * a_extrude * scale;\\n\\n    // Calculate the offset when drawing a line that is to the side of the actual line.\\n    // We do this by creating a vector that points towards the extrude, but rotate\\n    // it when we're drawing round end points (a_direction = -1 or 1) since their\\n    // extrude vector points in another direction.\\n    mediump float u = 0.5 * a_direction;\\n    mediump float t = 1.0 - abs(u);\\n    mediump vec2 offset2 = offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\\n\\n    vec4 projected_extrude = u_matrix * vec4(dist / u_ratio, 0.0, 0.0);\\n    gl_Position = u_matrix * vec4(pos + offset2 / u_ratio, 0.0, 1.0) + projected_extrude;\\n\\n    // calculate how much the perspective view squishes or stretches the extrude\\n    float extrude_length_without_perspective = length(dist);\\n    float extrude_length_with_perspective = length(projected_extrude.xy / gl_Position.w * u_gl_units_to_pixels);\\n    v_gamma_scale = extrude_length_without_perspective / extrude_length_with_perspective;\\n\\n    v_width2 = vec2(outset, inset);\\n}\\n\"},linePattern:{fragmentSource:\"uniform vec2 u_pattern_size_a;\\nuniform vec2 u_pattern_size_b;\\nuniform vec2 u_pattern_tl_a;\\nuniform vec2 u_pattern_br_a;\\nuniform vec2 u_pattern_tl_b;\\nuniform vec2 u_pattern_br_b;\\nuniform vec2 u_texsize;\\nuniform float u_fade;\\n\\nuniform sampler2D u_image;\\n\\nvarying vec2 v_normal;\\nvarying vec2 v_width2;\\nvarying float v_linesofar;\\nvarying float v_gamma_scale;\\n\\n#pragma mapbox: define lowp float blur\\n#pragma mapbox: define lowp float opacity\\n\\nvoid main() {\\n    #pragma mapbox: initialize lowp float blur\\n    #pragma mapbox: initialize lowp float opacity\\n\\n    // Calculate the distance of the pixel from the line in pixels.\\n    float dist = length(v_normal) * v_width2.s;\\n\\n    // Calculate the antialiasing fade factor. This is either when fading in\\n    // the line in case of an offset line (v_width2.t) or when fading out\\n    // (v_width2.s)\\n    float blur2 = (blur + 1.0 / DEVICE_PIXEL_RATIO) * v_gamma_scale;\\n    float alpha = clamp(min(dist - (v_width2.t - blur2), v_width2.s - dist) / blur2, 0.0, 1.0);\\n\\n    float x_a = mod(v_linesofar / u_pattern_size_a.x, 1.0);\\n    float x_b = mod(v_linesofar / u_pattern_size_b.x, 1.0);\\n    float y_a = 0.5 + (v_normal.y * v_width2.s / u_pattern_size_a.y);\\n    float y_b = 0.5 + (v_normal.y * v_width2.s / u_pattern_size_b.y);\\n    vec2 pos_a = mix(u_pattern_tl_a / u_texsize, u_pattern_br_a / u_texsize, vec2(x_a, y_a));\\n    vec2 pos_b = mix(u_pattern_tl_b / u_texsize, u_pattern_br_b / u_texsize, vec2(x_b, y_b));\\n\\n    vec4 color = mix(texture2D(u_image, pos_a), texture2D(u_image, pos_b), u_fade);\\n\\n    gl_FragColor = color * alpha * opacity;\\n\\n#ifdef OVERDRAW_INSPECTOR\\n    gl_FragColor = vec4(1.0);\\n#endif\\n}\\n\",vertexSource:\"// floor(127 / 2) == 63.0\\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\\n// there are also \\\"special\\\" normals that have a bigger length (of up to 126 in\\n// this case).\\n// #define scale 63.0\\n#define scale 0.015873016\\n\\n// We scale the distance before adding it to the buffers so that we can store\\n// long distances for long segments. Use this value to unscale the distance.\\n#define LINE_DISTANCE_SCALE 2.0\\n\\n// the distance over which the line edge fades out.\\n// Retina devices need a smaller distance to avoid aliasing.\\n#define ANTIALIASING 1.0 / DEVICE_PIXEL_RATIO / 2.0\\n\\nattribute vec4 a_pos_normal;\\nattribute vec4 a_data;\\n\\nuniform mat4 u_matrix;\\nuniform mediump float u_ratio;\\nuniform vec2 u_gl_units_to_pixels;\\n\\nvarying vec2 v_normal;\\nvarying vec2 v_width2;\\nvarying float v_linesofar;\\nvarying float v_gamma_scale;\\n\\n#pragma mapbox: define lowp float blur\\n#pragma mapbox: define lowp float opacity\\n#pragma mapbox: define lowp float offset\\n#pragma mapbox: define mediump float gapwidth\\n#pragma mapbox: define mediump float width\\n\\nvoid main() {\\n    #pragma mapbox: initialize lowp float blur\\n    #pragma mapbox: initialize lowp float opacity\\n    #pragma mapbox: initialize lowp float offset\\n    #pragma mapbox: initialize mediump float gapwidth\\n    #pragma mapbox: initialize mediump float width\\n\\n    vec2 a_extrude = a_data.xy - 128.0;\\n    float a_direction = mod(a_data.z, 4.0) - 1.0;\\n    float a_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * LINE_DISTANCE_SCALE;\\n\\n    vec2 pos = a_pos_normal.xy;\\n\\n    // x is 1 if it's a round cap, 0 otherwise\\n    // y is 1 if the normal points up, and -1 if it points down\\n    mediump vec2 normal = a_pos_normal.zw;\\n    v_normal = normal;\\n\\n    // these transformations used to be applied in the JS and native code bases.\\n    // moved them into the shader for clarity and simplicity.\\n    gapwidth = gapwidth / 2.0;\\n    float halfwidth = width / 2.0;\\n    offset = -1.0 * offset;\\n\\n    float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);\\n    float outset = gapwidth + halfwidth * (gapwidth > 0.0 ? 2.0 : 1.0) + ANTIALIASING;\\n\\n    // Scale the extrusion vector down to a normal and then up by the line width\\n    // of this vertex.\\n    mediump vec2 dist = outset * a_extrude * scale;\\n\\n    // Calculate the offset when drawing a line that is to the side of the actual line.\\n    // We do this by creating a vector that points towards the extrude, but rotate\\n    // it when we're drawing round end points (a_direction = -1 or 1) since their\\n    // extrude vector points in another direction.\\n    mediump float u = 0.5 * a_direction;\\n    mediump float t = 1.0 - abs(u);\\n    mediump vec2 offset2 = offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\\n\\n    vec4 projected_extrude = u_matrix * vec4(dist / u_ratio, 0.0, 0.0);\\n    gl_Position = u_matrix * vec4(pos + offset2 / u_ratio, 0.0, 1.0) + projected_extrude;\\n\\n    // calculate how much the perspective view squishes or stretches the extrude\\n    float extrude_length_without_perspective = length(dist);\\n    float extrude_length_with_perspective = length(projected_extrude.xy / gl_Position.w * u_gl_units_to_pixels);\\n    v_gamma_scale = extrude_length_without_perspective / extrude_length_with_perspective;\\n\\n    v_linesofar = a_linesofar;\\n    v_width2 = vec2(outset, inset);\\n}\\n\"},lineSDF:{\nfragmentSource:\"\\nuniform sampler2D u_image;\\nuniform float u_sdfgamma;\\nuniform float u_mix;\\n\\nvarying vec2 v_normal;\\nvarying vec2 v_width2;\\nvarying vec2 v_tex_a;\\nvarying vec2 v_tex_b;\\nvarying float v_gamma_scale;\\n\\n#pragma mapbox: define highp vec4 color\\n#pragma mapbox: define lowp float blur\\n#pragma mapbox: define lowp float opacity\\n#pragma mapbox: define mediump float width\\n#pragma mapbox: define lowp float floorwidth\\n\\nvoid main() {\\n    #pragma mapbox: initialize highp vec4 color\\n    #pragma mapbox: initialize lowp float blur\\n    #pragma mapbox: initialize lowp float opacity\\n    #pragma mapbox: initialize mediump float width\\n    #pragma mapbox: initialize lowp float floorwidth\\n\\n    // Calculate the distance of the pixel from the line in pixels.\\n    float dist = length(v_normal) * v_width2.s;\\n\\n    // Calculate the antialiasing fade factor. This is either when fading in\\n    // the line in case of an offset line (v_width2.t) or when fading out\\n    // (v_width2.s)\\n    float blur2 = (blur + 1.0 / DEVICE_PIXEL_RATIO) * v_gamma_scale;\\n    float alpha = clamp(min(dist - (v_width2.t - blur2), v_width2.s - dist) / blur2, 0.0, 1.0);\\n\\n    float sdfdist_a = texture2D(u_image, v_tex_a).a;\\n    float sdfdist_b = texture2D(u_image, v_tex_b).a;\\n    float sdfdist = mix(sdfdist_a, sdfdist_b, u_mix);\\n    alpha *= smoothstep(0.5 - u_sdfgamma / floorwidth, 0.5 + u_sdfgamma / floorwidth, sdfdist);\\n\\n    gl_FragColor = color * (alpha * opacity);\\n\\n#ifdef OVERDRAW_INSPECTOR\\n    gl_FragColor = vec4(1.0);\\n#endif\\n}\\n\",vertexSource:\"// floor(127 / 2) == 63.0\\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\\n// there are also \\\"special\\\" normals that have a bigger length (of up to 126 in\\n// this case).\\n// #define scale 63.0\\n#define scale 0.015873016\\n\\n// We scale the distance before adding it to the buffers so that we can store\\n// long distances for long segments. Use this value to unscale the distance.\\n#define LINE_DISTANCE_SCALE 2.0\\n\\n// the distance over which the line edge fades out.\\n// Retina devices need a smaller distance to avoid aliasing.\\n#define ANTIALIASING 1.0 / DEVICE_PIXEL_RATIO / 2.0\\n\\nattribute vec4 a_pos_normal;\\nattribute vec4 a_data;\\n\\nuniform mat4 u_matrix;\\nuniform mediump float u_ratio;\\nuniform vec2 u_patternscale_a;\\nuniform float u_tex_y_a;\\nuniform vec2 u_patternscale_b;\\nuniform float u_tex_y_b;\\nuniform vec2 u_gl_units_to_pixels;\\n\\nvarying vec2 v_normal;\\nvarying vec2 v_width2;\\nvarying vec2 v_tex_a;\\nvarying vec2 v_tex_b;\\nvarying float v_gamma_scale;\\n\\n#pragma mapbox: define highp vec4 color\\n#pragma mapbox: define lowp float blur\\n#pragma mapbox: define lowp float opacity\\n#pragma mapbox: define mediump float gapwidth\\n#pragma mapbox: define lowp float offset\\n#pragma mapbox: define mediump float width\\n#pragma mapbox: define lowp float floorwidth\\n\\nvoid main() {\\n    #pragma mapbox: initialize highp vec4 color\\n    #pragma mapbox: initialize lowp float blur\\n    #pragma mapbox: initialize lowp float opacity\\n    #pragma mapbox: initialize mediump float gapwidth\\n    #pragma mapbox: initialize lowp float offset\\n    #pragma mapbox: initialize mediump float width\\n    #pragma mapbox: initialize lowp float floorwidth\\n\\n    vec2 a_extrude = a_data.xy - 128.0;\\n    float a_direction = mod(a_data.z, 4.0) - 1.0;\\n    float a_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * LINE_DISTANCE_SCALE;\\n\\n    vec2 pos = a_pos_normal.xy;\\n\\n    // x is 1 if it's a round cap, 0 otherwise\\n    // y is 1 if the normal points up, and -1 if it points down\\n    mediump vec2 normal = a_pos_normal.zw;\\n    v_normal = normal;\\n\\n    // these transformations used to be applied in the JS and native code bases.\\n    // moved them into the shader for clarity and simplicity.\\n    gapwidth = gapwidth / 2.0;\\n    float halfwidth = width / 2.0;\\n    offset = -1.0 * offset;\\n\\n    float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);\\n    float outset = gapwidth + halfwidth * (gapwidth > 0.0 ? 2.0 : 1.0) + ANTIALIASING;\\n\\n    // Scale the extrusion vector down to a normal and then up by the line width\\n    // of this vertex.\\n    mediump vec2 dist =outset * a_extrude * scale;\\n\\n    // Calculate the offset when drawing a line that is to the side of the actual line.\\n    // We do this by creating a vector that points towards the extrude, but rotate\\n    // it when we're drawing round end points (a_direction = -1 or 1) since their\\n    // extrude vector points in another direction.\\n    mediump float u = 0.5 * a_direction;\\n    mediump float t = 1.0 - abs(u);\\n    mediump vec2 offset2 = offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\\n\\n    vec4 projected_extrude = u_matrix * vec4(dist / u_ratio, 0.0, 0.0);\\n    gl_Position = u_matrix * vec4(pos + offset2 / u_ratio, 0.0, 1.0) + projected_extrude;\\n\\n    // calculate how much the perspective view squishes or stretches the extrude\\n    float extrude_length_without_perspective = length(dist);\\n    float extrude_length_with_perspective = length(projected_extrude.xy / gl_Position.w * u_gl_units_to_pixels);\\n    v_gamma_scale = extrude_length_without_perspective / extrude_length_with_perspective;\\n\\n    v_tex_a = vec2(a_linesofar * u_patternscale_a.x / floorwidth, normal.y * u_patternscale_a.y + u_tex_y_a);\\n    v_tex_b = vec2(a_linesofar * u_patternscale_b.x / floorwidth, normal.y * u_patternscale_b.y + u_tex_y_b);\\n\\n    v_width2 = vec2(outset, inset);\\n}\\n\"},raster:{fragmentSource:\"uniform float u_fade_t;\\nuniform float u_opacity;\\nuniform sampler2D u_image0;\\nuniform sampler2D u_image1;\\nvarying vec2 v_pos0;\\nvarying vec2 v_pos1;\\n\\nuniform float u_brightness_low;\\nuniform float u_brightness_high;\\n\\nuniform float u_saturation_factor;\\nuniform float u_contrast_factor;\\nuniform vec3 u_spin_weights;\\n\\nvoid main() {\\n\\n    // read and cross-fade colors from the main and parent tiles\\n    vec4 color0 = texture2D(u_image0, v_pos0);\\n    vec4 color1 = texture2D(u_image1, v_pos1);\\n    if (color0.a > 0.0) {\\n        color0.rgb = color0.rgb / color0.a;\\n    }\\n    if (color1.a > 0.0) {\\n        color1.rgb = color1.rgb / color1.a;\\n    }\\n    vec4 color = mix(color0, color1, u_fade_t);\\n    color.a *= u_opacity;\\n    vec3 rgb = color.rgb;\\n\\n    // spin\\n    rgb = vec3(\\n        dot(rgb, u_spin_weights.xyz),\\n        dot(rgb, u_spin_weights.zxy),\\n        dot(rgb, u_spin_weights.yzx));\\n\\n    // saturation\\n    float average = (color.r + color.g + color.b) / 3.0;\\n    rgb += (average - rgb) * u_saturation_factor;\\n\\n    // contrast\\n    rgb = (rgb - 0.5) * u_contrast_factor + 0.5;\\n\\n    // brightness\\n    vec3 u_high_vec = vec3(u_brightness_low, u_brightness_low, u_brightness_low);\\n    vec3 u_low_vec = vec3(u_brightness_high, u_brightness_high, u_brightness_high);\\n\\n    gl_FragColor = vec4(mix(u_high_vec, u_low_vec, rgb) * color.a, color.a);\\n\\n#ifdef OVERDRAW_INSPECTOR\\n    gl_FragColor = vec4(1.0);\\n#endif\\n}\\n\",vertexSource:\"uniform mat4 u_matrix;\\nuniform vec2 u_tl_parent;\\nuniform float u_scale_parent;\\nuniform float u_buffer_scale;\\n\\nattribute vec2 a_pos;\\nattribute vec2 a_texture_pos;\\n\\nvarying vec2 v_pos0;\\nvarying vec2 v_pos1;\\n\\nvoid main() {\\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\\n    // We are using Int16 for texture position coordinates to give us enough precision for\\n    // fractional coordinates. We use 8192 to scale the texture coordinates in the buffer\\n    // as an arbitrarily high number to preserve adequate precision when rendering.\\n    // This is also the same value as the EXTENT we are using for our tile buffer pos coordinates,\\n    // so math for modifying either is consistent.\\n    v_pos0 = (((a_texture_pos / 8192.0) - 0.5) / u_buffer_scale ) + 0.5;\\n    v_pos1 = (v_pos0 * u_scale_parent) + u_tl_parent;\\n}\\n\"},symbolIcon:{fragmentSource:\"uniform sampler2D u_texture;\\nuniform sampler2D u_fadetexture;\\n\\n#pragma mapbox: define lowp float opacity\\n\\nvarying vec2 v_tex;\\nvarying vec2 v_fade_tex;\\n\\nvoid main() {\\n    #pragma mapbox: initialize lowp float opacity\\n\\n    lowp float alpha = texture2D(u_fadetexture, v_fade_tex).a * opacity;\\n    gl_FragColor = texture2D(u_texture, v_tex) * alpha;\\n\\n#ifdef OVERDRAW_INSPECTOR\\n    gl_FragColor = vec4(1.0);\\n#endif\\n}\\n\",vertexSource:\"const float PI = 3.141592653589793;\\n\\nattribute vec4 a_pos_offset;\\nattribute vec4 a_data;\\nattribute vec3 a_projected_pos;\\n\\nuniform bool u_is_size_zoom_constant;\\nuniform bool u_is_size_feature_constant;\\nuniform highp float u_size_t; // used to interpolate between zoom stops when size is a composite function\\nuniform highp float u_size; // used when size is both zoom and feature constant\\nuniform highp float u_camera_to_center_distance;\\nuniform highp float u_pitch;\\nuniform bool u_rotate_symbol;\\nuniform highp float u_aspect_ratio;\\nuniform highp float u_collision_y_stretch;\\n\\n#pragma mapbox: define lowp float opacity\\n\\nuniform mat4 u_matrix;\\nuniform mat4 u_label_plane_matrix;\\nuniform mat4 u_gl_coord_matrix;\\n\\nuniform bool u_is_text;\\nuniform bool u_pitch_with_map;\\n\\nuniform vec2 u_texsize;\\n\\nvarying vec2 v_tex;\\nvarying vec2 v_fade_tex;\\n\\nvoid main() {\\n    #pragma mapbox: initialize lowp float opacity\\n\\n    vec2 a_pos = a_pos_offset.xy;\\n    vec2 a_offset = a_pos_offset.zw;\\n\\n    vec2 a_tex = a_data.xy;\\n    vec2 a_size = a_data.zw;\\n\\n    highp vec2 angle_labelminzoom = unpack_float(a_projected_pos[2]);\\n    highp float segment_angle = -angle_labelminzoom[0] / 255.0 * 2.0 * PI;\\n    mediump float a_labelminzoom = angle_labelminzoom[1];\\n\\n    float size;\\n    if (!u_is_size_zoom_constant && !u_is_size_feature_constant) {\\n        size = mix(a_size[0], a_size[1], u_size_t) / 10.0;\\n    } else if (u_is_size_zoom_constant && !u_is_size_feature_constant) {\\n        size = a_size[0] / 10.0;\\n    } else if (!u_is_size_zoom_constant && u_is_size_feature_constant) {\\n        size = u_size;\\n    } else {\\n        size = u_size;\\n    }\\n\\n    vec4 projectedPoint = u_matrix * vec4(a_pos, 0, 1);\\n    highp float camera_to_anchor_distance = projectedPoint.w;\\n    // See comments in symbol_sdf.vertex\\n    highp float distance_ratio = u_pitch_with_map ?\\n        camera_to_anchor_distance / u_camera_to_center_distance :\\n        u_camera_to_center_distance / camera_to_anchor_distance;\\n    highp float perspective_ratio = 0.5 + 0.5 * distance_ratio;\\n\\n    size *= perspective_ratio;\\n\\n    float fontScale = u_is_text ? size / 24.0 : size;\\n\\n    highp float symbol_rotation = 0.0;\\n    if (u_rotate_symbol) {\\n        // See comments in symbol_sdf.vertex\\n        vec4 offsetProjectedPoint = u_matrix * vec4(a_pos + vec2(1, 0), 0, 1);\\n\\n        vec2 a = projectedPoint.xy / projectedPoint.w;\\n        vec2 b = offsetProjectedPoint.xy / offsetProjectedPoint.w;\\n\\n        symbol_rotation = atan((b.y - a.y) / u_aspect_ratio, b.x - a.x);\\n    }\\n\\n    highp float angle_sin = sin(segment_angle + symbol_rotation);\\n    highp float angle_cos = cos(segment_angle + symbol_rotation);\\n    mat2 rotation_matrix = mat2(angle_cos, -1.0 * angle_sin, angle_sin, angle_cos);\\n\\n    vec4 projected_pos = u_label_plane_matrix * vec4(a_projected_pos.xy, 0.0, 1.0);\\n    gl_Position = u_gl_coord_matrix * vec4(projected_pos.xy / projected_pos.w + rotation_matrix * (a_offset / 64.0 * fontScale), 0.0, 1.0);\\n\\n    v_tex = a_tex / u_texsize;\\n    // See comments in symbol_sdf.vertex\\n    highp float incidence_stretch  = camera_to_anchor_distance / (u_camera_to_center_distance * cos(u_pitch));\\n    highp float collision_adjustment = max(1.0, incidence_stretch / u_collision_y_stretch);\\n\\n    highp float collision_perspective_ratio = 1.0 + 0.5*((camera_to_anchor_distance / u_camera_to_center_distance) - 1.0);\\n    highp float perspective_zoom_adjust = floor(log2(collision_perspective_ratio * collision_adjustment) * 10.0);\\n    v_fade_tex = vec2((a_labelminzoom + perspective_zoom_adjust) / 255.0, 0.0);\\n}\\n\"},symbolSDF:{fragmentSource:\"#define SDF_PX 8.0\\n#define EDGE_GAMMA 0.105/DEVICE_PIXEL_RATIO\\n\\nuniform bool u_is_halo;\\n#pragma mapbox: define highp vec4 fill_color\\n#pragma mapbox: define highp vec4 halo_color\\n#pragma mapbox: define lowp float opacity\\n#pragma mapbox: define lowp float halo_width\\n#pragma mapbox: define lowp float halo_blur\\n\\nuniform sampler2D u_texture;\\nuniform sampler2D u_fadetexture;\\nuniform highp float u_gamma_scale;\\nuniform bool u_is_text;\\n\\nvarying vec4 v_data0;\\nvarying vec2 v_data1;\\n\\nvoid main() {\\n    #pragma mapbox: initialize highp vec4 fill_color\\n    #pragma mapbox: initialize highp vec4 halo_color\\n    #pragma mapbox: initialize lowp float opacity\\n    #pragma mapbox: initialize lowp float halo_width\\n    #pragma mapbox: initialize lowp float halo_blur\\n\\n    vec2 tex = v_data0.xy;\\n    vec2 fade_tex = v_data0.zw;\\n    float gamma_scale = v_data1.x;\\n    float size = v_data1.y;\\n\\n    float fontScale = u_is_text ? size / 24.0 : size;\\n\\n    lowp vec4 color = fill_color;\\n    highp float gamma = EDGE_GAMMA / (fontScale * u_gamma_scale);\\n    lowp float buff = (256.0 - 64.0) / 256.0;\\n    if (u_is_halo) {\\n        color = halo_color;\\n        gamma = (halo_blur * 1.19 / SDF_PX + EDGE_GAMMA) / (fontScale * u_gamma_scale);\\n        buff = (6.0 - halo_width / fontScale) / SDF_PX;\\n    }\\n\\n    lowp float dist = texture2D(u_texture, tex).a;\\n    lowp float fade_alpha = texture2D(u_fadetexture, fade_tex).a;\\n    highp float gamma_scaled = gamma * gamma_scale;\\n    highp float alpha = smoothstep(buff - gamma_scaled, buff + gamma_scaled, dist) * fade_alpha;\\n\\n    gl_FragColor = color * (alpha * opacity);\\n\\n#ifdef OVERDRAW_INSPECTOR\\n    gl_FragColor = vec4(1.0);\\n#endif\\n}\\n\",vertexSource:\"const float PI = 3.141592653589793;\\n\\nattribute vec4 a_pos_offset;\\nattribute vec4 a_data;\\nattribute vec3 a_projected_pos;\\n\\n// contents of a_size vary based on the type of property value\\n// used for {text,icon}-size.\\n// For constants, a_size is disabled.\\n// For source functions, we bind only one value per vertex: the value of {text,icon}-size evaluated for the current feature.\\n// For composite functions:\\n// [ text-size(lowerZoomStop, feature),\\n//   text-size(upperZoomStop, feature) ]\\nuniform bool u_is_size_zoom_constant;\\nuniform bool u_is_size_feature_constant;\\nuniform highp float u_size_t; // used to interpolate between zoom stops when size is a composite function\\nuniform highp float u_size; // used when size is both zoom and feature constant\\n\\n#pragma mapbox: define highp vec4 fill_color\\n#pragma mapbox: define highp vec4 halo_color\\n#pragma mapbox: define lowp float opacity\\n#pragma mapbox: define lowp float halo_width\\n#pragma mapbox: define lowp float halo_blur\\n\\nuniform mat4 u_matrix;\\nuniform mat4 u_label_plane_matrix;\\nuniform mat4 u_gl_coord_matrix;\\n\\nuniform bool u_is_text;\\nuniform bool u_pitch_with_map;\\nuniform highp float u_pitch;\\nuniform bool u_rotate_symbol;\\nuniform highp float u_aspect_ratio;\\nuniform highp float u_camera_to_center_distance;\\nuniform highp float u_collision_y_stretch;\\n\\nuniform vec2 u_texsize;\\n\\nvarying vec4 v_data0;\\nvarying vec2 v_data1;\\n\\nvoid main() {\\n    #pragma mapbox: initialize highp vec4 fill_color\\n    #pragma mapbox: initialize highp vec4 halo_color\\n    #pragma mapbox: initialize lowp float opacity\\n    #pragma mapbox: initialize lowp float halo_width\\n    #pragma mapbox: initialize lowp float halo_blur\\n\\n    vec2 a_pos = a_pos_offset.xy;\\n    vec2 a_offset = a_pos_offset.zw;\\n\\n    vec2 a_tex = a_data.xy;\\n    vec2 a_size = a_data.zw;\\n\\n    highp vec2 angle_labelminzoom = unpack_float(a_projected_pos[2]);\\n    highp float segment_angle = -angle_labelminzoom[0] / 255.0 * 2.0 * PI;\\n    mediump float a_labelminzoom = angle_labelminzoom[1];\\n    float size;\\n\\n    if (!u_is_size_zoom_constant && !u_is_size_feature_constant) {\\n        size = mix(a_size[0], a_size[1], u_size_t) / 10.0;\\n    } else if (u_is_size_zoom_constant && !u_is_size_feature_constant) {\\n        size = a_size[0] / 10.0;\\n    } else if (!u_is_size_zoom_constant && u_is_size_feature_constant) {\\n        size = u_size;\\n    } else {\\n        size = u_size;\\n    }\\n\\n    vec4 projectedPoint = u_matrix * vec4(a_pos, 0, 1);\\n    highp float camera_to_anchor_distance = projectedPoint.w;\\n    // If the label is pitched with the map, layout is done in pitched space,\\n    // which makes labels in the distance smaller relative to viewport space.\\n    // We counteract part of that effect by multiplying by the perspective ratio.\\n    // If the label isn't pitched with the map, we do layout in viewport space,\\n    // which makes labels in the distance larger relative to the features around\\n    // them. We counteract part of that effect by dividing by the perspective ratio.\\n    highp float distance_ratio = u_pitch_with_map ?\\n        camera_to_anchor_distance / u_camera_to_center_distance :\\n        u_camera_to_center_distance / camera_to_anchor_distance;\\n    highp float perspective_ratio = 0.5 + 0.5 * distance_ratio;\\n\\n    size *= perspective_ratio;\\n\\n    float fontScale = u_is_text ? size / 24.0 : size;\\n\\n    highp float symbol_rotation = 0.0;\\n    if (u_rotate_symbol) {\\n        // Point labels with 'rotation-alignment: map' are horizontal with respect to tile units\\n        // To figure out that angle in projected space, we draw a short horizontal line in tile\\n        // space, project it, and measure its angle in projected space.\\n        vec4 offsetProjectedPoint = u_matrix * vec4(a_pos + vec2(1, 0), 0, 1);\\n\\n        vec2 a = projectedPoint.xy / projectedPoint.w;\\n        vec2 b = offsetProjectedPoint.xy / offsetProjectedPoint.w;\\n\\n        symbol_rotation = atan((b.y - a.y) / u_aspect_ratio, b.x - a.x);\\n    }\\n\\n    highp float angle_sin = sin(segment_angle + symbol_rotation);\\n    highp float angle_cos = cos(segment_angle + symbol_rotation);\\n    mat2 rotation_matrix = mat2(angle_cos, -1.0 * angle_sin, angle_sin, angle_cos);\\n\\n    vec4 projected_pos = u_label_plane_matrix * vec4(a_projected_pos.xy, 0.0, 1.0);\\n    gl_Position = u_gl_coord_matrix * vec4(projected_pos.xy / projected_pos.w + rotation_matrix * (a_offset / 64.0 * fontScale), 0.0, 1.0);\\n    float gamma_scale = gl_Position.w;\\n\\n    vec2 tex = a_tex / u_texsize;\\n    // incidence_stretch is the ratio of how much y space a label takes up on a tile while drawn perpendicular to the viewport vs\\n    //  how much space it would take up if it were drawn flat on the tile\\n    // Using law of sines, camera_to_anchor/sin(ground_angle) = camera_to_center/sin(incidence_angle)\\n    // sin(incidence_angle) = 1/incidence_stretch\\n    // Incidence angle 90 -> head on, sin(incidence_angle) = 1, no incidence stretch\\n    // Incidence angle 1 -> very oblique, sin(incidence_angle) =~ 0, lots of incidence stretch\\n    // ground_angle = u_pitch + PI/2 -> sin(ground_angle) = cos(u_pitch)\\n    // This 2D calculation is only exactly correct when gl_Position.x is in the center of the viewport,\\n    //  but it's a close enough approximation for our purposes\\n    highp float incidence_stretch  = camera_to_anchor_distance / (u_camera_to_center_distance * cos(u_pitch));\\n    // incidence_stretch only applies to the y-axis, but without re-calculating the collision tile, we can't\\n    // adjust the size of only one axis. So, we do a crude approximation at placement time to get the aspect ratio\\n    // about right, and then do the rest of the adjustment here: there will be some extra padding on the x-axis,\\n    // but hopefully not too much.\\n    // Never make the adjustment less than 1.0: instead of allowing collisions on the x-axis, be conservative on\\n    // the y-axis.\\n    highp float collision_adjustment = max(1.0, incidence_stretch / u_collision_y_stretch);\\n\\n    // Floor to 1/10th zoom to dodge precision issues that can cause partially hidden labels\\n    highp float collision_perspective_ratio = 1.0 + 0.5*((camera_to_anchor_distance / u_camera_to_center_distance) - 1.0);\\n    highp float perspective_zoom_adjust = floor(log2(collision_perspective_ratio * collision_adjustment) * 10.0);\\n    vec2 fade_tex = vec2((a_labelminzoom + perspective_zoom_adjust) / 255.0, 0.0);\\n\\n    v_data0 = vec4(tex.x, tex.y, fade_tex.x, fade_tex.y);\\n    v_data1 = vec2(gamma_scale, size);\\n}\\n\"}},re=/#pragma mapbox: ([\\w]+) ([\\w]+) ([\\w]+) ([\\w]+)/g,loop=function(e){var n=shaders[e],a={};n.fragmentSource=n.fragmentSource.replace(re,function(e,n,o,t,i){return a[i]=!0,\"define\"===n?\"\\n#ifndef HAS_UNIFORM_u_\"+i+\"\\nvarying \"+o+\" \"+t+\" \"+i+\";\\n#else\\nuniform \"+o+\" \"+t+\" u_\"+i+\";\\n#endif\\n\":\"\\n#ifdef HAS_UNIFORM_u_\"+i+\"\\n    \"+o+\" \"+t+\" \"+i+\" = u_\"+i+\";\\n#endif\\n\"}),n.vertexSource=n.vertexSource.replace(re,function(e,n,o,t,i){var r=\"float\"===t?\"vec2\":\"vec4\";return a[i]?\"define\"===n?\"\\n#ifndef HAS_UNIFORM_u_\"+i+\"\\nuniform lowp float a_\"+i+\"_t;\\nattribute \"+o+\" \"+r+\" a_\"+i+\";\\nvarying \"+o+\" \"+t+\" \"+i+\";\\n#else\\nuniform \"+o+\" \"+t+\" u_\"+i+\";\\n#endif\\n\":\"\\n#ifndef HAS_UNIFORM_u_\"+i+\"\\n    \"+i+\" = unpack_mix_\"+r+\"(a_\"+i+\", a_\"+i+\"_t);\\n#else\\n    \"+o+\" \"+t+\" \"+i+\" = u_\"+i+\";\\n#endif\\n\":\"define\"===n?\"\\n#ifndef HAS_UNIFORM_u_\"+i+\"\\nuniform lowp float a_\"+i+\"_t;\\nattribute \"+o+\" \"+r+\" a_\"+i+\";\\n#else\\nuniform \"+o+\" \"+t+\" u_\"+i+\";\\n#endif\\n\":\"\\n#ifndef HAS_UNIFORM_u_\"+i+\"\\n    \"+o+\" \"+t+\" \"+i+\" = unpack_mix_\"+r+\"(a_\"+i+\", a_\"+i+\"_t);\\n#else\\n    \"+o+\" \"+t+\" \"+i+\" = u_\"+i+\";\\n#endif\\n\"})};for(var programName in shaders)loop(programName);module.exports=shaders;\n},{}],87:[function(_dereq_,module,exports){\n\"use strict\";var ImageSource=_dereq_(\"./image_source\"),window=_dereq_(\"../util/window\"),CanvasSource=function(t){function i(i,a,e,s){t.call(this,i,a,e,s),this.options=a,this.animate=void 0===a.animate||a.animate}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.load=function(){this.canvas=this.canvas||window.document.getElementById(this.options.canvas);var t=this.canvas.getContext(this.options.contextType);if(!t)return this.fire(\"error\",new Error(\"Canvas context not found.\"));if(this.context=t,this.width=this.canvas.width,this.height=this.canvas.height,this._hasInvalidDimensions())return this.fire(\"error\",new Error(\"Canvas dimensions cannot be less than or equal to zero.\"));var i;this.play=function(){void 0===i&&(i=this.map.style.animationLoop.set(1/0),this.map._rerender())},this.pause=function(){void 0!==i&&(i=this.map.style.animationLoop.cancel(i))},this._finishLoading()},i.prototype.getCanvas=function(){return this.canvas},i.prototype.onAdd=function(t){this.map=t,this.load(),this.canvas&&this.animate&&this.play()},i.prototype.onRemove=function(){this.pause()},i.prototype.readCanvas=function(t){var i=this;if(this.context instanceof CanvasRenderingContext2D)this.canvasData=this.context.getImageData(0,0,this.width,this.height);else if(this.context instanceof WebGLRenderingContext){var a=this.context,e=new Uint8Array(this.width*this.height*4);a.readPixels(0,0,this.width,this.height,a.RGBA,a.UNSIGNED_BYTE,e),this.secondaryContext||(this.secondaryContext=window.document.createElement(\"canvas\").getContext(\"2d\")),this.canvasData&&!t||(this.canvasData=this.secondaryContext.createImageData(this.width,this.height));for(var s=this.height-1,n=0;s>=0;s--,n++)i.canvasData.data.set(e.subarray(s*i.width*4,(s+1)*i.width*4),n*i.width*4)}},i.prototype.prepare=function(){var t=!1;if(this.canvas.width!==this.width&&(this.width=this.canvas.width,t=!0),this.canvas.height!==this.height&&(this.height=this.canvas.height,t=!0),!this._hasInvalidDimensions()&&0!==Object.keys(this.tiles).length){if((this.animate||!this.canvasData||t)&&this.readCanvas(t),!this.canvasData)return void this.fire(\"error\",new Error(\"Could not read canvas data.\"));this._prepareImage(this.map.painter.gl,this.canvasData,t)}},i.prototype.serialize=function(){return{type:\"canvas\",canvas:this.canvas,coordinates:this.coordinates}},i.prototype._hasInvalidDimensions=function(){for(var t=this,i=0,a=[t.canvas.width,t.canvas.height];i<a.length;i+=1){var e=a[i];if(isNaN(e)||e<=0)return!0}return!1},i}(ImageSource);module.exports=CanvasSource;\n},{\"../util/window\":204,\"./image_source\":91}],88:[function(_dereq_,module,exports){\n\"use strict\";function resolveURL(t){var e=window.document.createElement(\"a\");return e.href=t,e.href}var Evented=_dereq_(\"../util/evented\"),util=_dereq_(\"../util/util\"),window=_dereq_(\"../util/window\"),EXTENT=_dereq_(\"../data/extent\"),ResourceType=_dereq_(\"../util/ajax\").ResourceType,browser=_dereq_(\"../util/browser\"),GeoJSONSource=function(t){function e(e,o,r,i){t.call(this),this.id=e,this.type=\"geojson\",this.minzoom=0,this.maxzoom=18,this.tileSize=512,this.isTileClipped=!0,this.reparseOverscaled=!0,this.dispatcher=r,this.setEventedParent(i),this._data=o.data,this._options=util.extend({},o),void 0!==o.maxzoom&&(this.maxzoom=o.maxzoom),o.type&&(this.type=o.type);var a=EXTENT/this.tileSize;this.workerOptions=util.extend({source:this.id,cluster:o.cluster||!1,geojsonVtOptions:{buffer:(void 0!==o.buffer?o.buffer:128)*a,tolerance:(void 0!==o.tolerance?o.tolerance:.375)*a,extent:EXTENT,maxZoom:this.maxzoom},superclusterOptions:{maxZoom:void 0!==o.clusterMaxZoom?Math.min(o.clusterMaxZoom,this.maxzoom-1):this.maxzoom-1,extent:EXTENT,radius:(o.clusterRadius||50)*a,log:!1}},o.workerOptions)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.load=function(){var t=this;this.fire(\"dataloading\",{dataType:\"source\"}),this._updateWorkerData(function(e){if(e)return void t.fire(\"error\",{error:e});t.fire(\"data\",{dataType:\"source\",sourceDataType:\"metadata\"})})},e.prototype.onAdd=function(t){this.map=t,this.load()},e.prototype.setData=function(t){var e=this;return this._data=t,this.fire(\"dataloading\",{dataType:\"source\"}),this._updateWorkerData(function(t){if(t)return e.fire(\"error\",{error:t});e.fire(\"data\",{dataType:\"source\",sourceDataType:\"content\"})}),this},e.prototype._updateWorkerData=function(t){var e=this,o=util.extend({},this.workerOptions),r=this._data;\"string\"==typeof r?o.request=this.map._transformRequest(resolveURL(r),ResourceType.Source):o.data=JSON.stringify(r),this.workerID=this.dispatcher.send(this.type+\".loadData\",o,function(o){e._loaded=!0,t(o)},this.workerID)},e.prototype.loadTile=function(t,e){var o=this,r=t.workerID&&\"expired\"!==t.state?\"reloadTile\":\"loadTile\",i={type:this.type,uid:t.uid,coord:t.coord,zoom:t.coord.z,maxZoom:this.maxzoom,tileSize:this.tileSize,source:this.id,pixelRatio:browser.devicePixelRatio,overscaling:t.coord.z>this.maxzoom?Math.pow(2,t.coord.z-this.maxzoom):1,angle:this.map.transform.angle,pitch:this.map.transform.pitch,cameraToCenterDistance:this.map.transform.cameraToCenterDistance,cameraToTileDistance:this.map.transform.cameraToTileDistance(t),showCollisionBoxes:this.map.showCollisionBoxes};t.workerID=this.dispatcher.send(r,i,function(r,i){if(t.unloadVectorData(),!t.aborted)return r?e(r):(t.loadVectorData(i,o.map.painter),t.redoWhenDone&&(t.redoWhenDone=!1,t.redoPlacement(o)),e(null))},this.workerID)},e.prototype.abortTile=function(t){t.aborted=!0},e.prototype.unloadTile=function(t){t.unloadVectorData(),this.dispatcher.send(\"removeTile\",{uid:t.uid,type:this.type,source:this.id},function(){},t.workerID)},e.prototype.onRemove=function(){this.dispatcher.broadcast(\"removeSource\",{type:this.type,source:this.id},function(){})},e.prototype.serialize=function(){return util.extend({},this._options,{type:this.type,data:this._data})},e}(Evented);module.exports=GeoJSONSource;\n},{\"../data/extent\":48,\"../util/ajax\":201,\"../util/browser\":202,\"../util/evented\":210,\"../util/util\":223,\"../util/window\":204}],89:[function(_dereq_,module,exports){\n\"use strict\";function loadGeoJSONTile(e,r){var t=e.source,o=e.coord;if(!this._geoJSONIndexes[t])return r(null,null);var n=this._geoJSONIndexes[t].getTile(Math.min(o.z,e.maxZoom),o.x,o.y);if(!n)return r(null,null);var u=new GeoJSONWrapper(n.features),i=vtpbf(u);0===i.byteOffset&&i.byteLength===i.buffer.byteLength||(i=new Uint8Array(i)),r(null,{vectorTile:u,rawData:i.buffer})}var ajax=_dereq_(\"../util/ajax\"),rewind=_dereq_(\"geojson-rewind\"),GeoJSONWrapper=_dereq_(\"./geojson_wrapper\"),vtpbf=_dereq_(\"vt-pbf\"),supercluster=_dereq_(\"supercluster\"),geojsonvt=_dereq_(\"geojson-vt\"),VectorTileWorkerSource=_dereq_(\"./vector_tile_worker_source\"),GeoJSONWorkerSource=function(e){function r(r,t,o){e.call(this,r,t,loadGeoJSONTile),o&&(this.loadGeoJSON=o),this._geoJSONIndexes={}}return e&&(r.__proto__=e),r.prototype=Object.create(e&&e.prototype),r.prototype.constructor=r,r.prototype.loadData=function(e,r){var t=this;this.loadGeoJSON(e,function(o,n){if(o||!n)return r(o);if(\"object\"!=typeof n)return r(new Error(\"Input data is not a valid GeoJSON object.\"));rewind(n,!0);try{t._geoJSONIndexes[e.source]=e.cluster?supercluster(e.superclusterOptions).load(n.features):geojsonvt(n,e.geojsonVtOptions)}catch(o){return r(o)}t.loaded[e.source]={},r(null)})},r.prototype.reloadTile=function(r,t){var o=this.loaded[r.source],n=r.uid;return o&&o[n]?e.prototype.reloadTile.call(this,r,t):this.loadTile(r,t)},r.prototype.loadGeoJSON=function(e,r){if(e.request)ajax.getJSON(e.request,r);else{if(\"string\"!=typeof e.data)return r(new Error(\"Input data is not a valid GeoJSON object.\"));try{return r(null,JSON.parse(e.data))}catch(e){return r(new Error(\"Input data is not a valid GeoJSON object.\"))}}},r.prototype.removeSource=function(e){this._geoJSONIndexes[e.source]&&delete this._geoJSONIndexes[e.source]},r}(VectorTileWorkerSource);module.exports=GeoJSONWorkerSource;\n},{\"../util/ajax\":201,\"./geojson_wrapper\":90,\"./vector_tile_worker_source\":103,\"geojson-rewind\":13,\"geojson-vt\":17,\"supercluster\":32,\"vt-pbf\":37}],90:[function(_dereq_,module,exports){\n\"use strict\";var Point=_dereq_(\"@mapbox/point-geometry\"),toGeoJSON=_dereq_(\"@mapbox/vector-tile\").VectorTileFeature.prototype.toGeoJSON,EXTENT=_dereq_(\"../data/extent\"),FeatureWrapper=function(e){this._feature=e,this.extent=EXTENT,this.type=e.type,this.properties=e.tags,\"id\"in e&&!isNaN(e.id)&&(this.id=parseInt(e.id,10))};FeatureWrapper.prototype.loadGeometry=function(){var e=this;if(1===this._feature.type){for(var t=[],r=0,o=e._feature.geometry;r<o.length;r+=1){var a=o[r];t.push([new Point(a[0],a[1])])}return t}for(var i=[],p=0,n=e._feature.geometry;p<n.length;p+=1){for(var s=n[p],u=[],h=0,f=s;h<f.length;h+=1){var l=f[h];u.push(new Point(l[0],l[1]))}i.push(u)}return i},FeatureWrapper.prototype.toGeoJSON=function(e,t,r){return toGeoJSON.call(this,e,t,r)};var GeoJSONWrapper=function(e){this.layers={_geojsonTileLayer:this},this.name=\"_geojsonTileLayer\",this.extent=EXTENT,this.length=e.length,this._features=e};GeoJSONWrapper.prototype.feature=function(e){return new FeatureWrapper(this._features[e])},module.exports=GeoJSONWrapper;\n},{\"../data/extent\":48,\"@mapbox/point-geometry\":2,\"@mapbox/vector-tile\":6}],91:[function(_dereq_,module,exports){\n\"use strict\";var util=_dereq_(\"../util/util\"),window=_dereq_(\"../util/window\"),TileCoord=_dereq_(\"./tile_coord\"),LngLat=_dereq_(\"../geo/lng_lat\"),Point=_dereq_(\"@mapbox/point-geometry\"),Evented=_dereq_(\"../util/evented\"),ajax=_dereq_(\"../util/ajax\"),browser=_dereq_(\"../util/browser\"),EXTENT=_dereq_(\"../data/extent\"),RasterBoundsArray=_dereq_(\"../data/raster_bounds_array\"),VertexBuffer=_dereq_(\"../gl/vertex_buffer\"),VertexArrayObject=_dereq_(\"../render/vertex_array_object\"),ImageSource=function(e){function t(t,r,o,i){e.call(this),this.id=t,this.dispatcher=o,this.coordinates=r.coordinates,this.type=\"image\",this.minzoom=0,this.maxzoom=22,this.tileSize=512,this.tiles={},this.setEventedParent(i),this.options=r,this.textureLoaded=!1}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.load=function(){var e=this;this.fire(\"dataloading\",{dataType:\"source\"}),this.url=this.options.url,ajax.getImage(this.map._transformRequest(this.url,ajax.ResourceType.Image),function(t,r){t?e.fire(\"error\",{error:t}):r&&(e.image=browser.getImageData(r),e._finishLoading())})},t.prototype._finishLoading=function(){this.map&&(this.setCoordinates(this.coordinates),this.fire(\"data\",{dataType:\"source\",sourceDataType:\"metadata\"}))},t.prototype.onAdd=function(e){this.map=e,this.load()},t.prototype.setCoordinates=function(e){this.coordinates=e;var t=this.map,r=e.map(function(e){return t.transform.locationCoordinate(LngLat.convert(e)).zoomTo(0)}),o=this.centerCoord=util.getCoordinatesCenter(r);o.column=Math.floor(o.column),o.row=Math.floor(o.row),this.coord=new TileCoord(o.zoom,o.column,o.row),this.minzoom=this.maxzoom=o.zoom;var i=r.map(function(e){var t=e.zoomTo(o.zoom);return new Point(Math.round((t.column-o.column)*EXTENT),Math.round((t.row-o.row)*EXTENT))});return this._boundsArray=new RasterBoundsArray,this._boundsArray.emplaceBack(i[0].x,i[0].y,0,0),this._boundsArray.emplaceBack(i[1].x,i[1].y,EXTENT,0),this._boundsArray.emplaceBack(i[3].x,i[3].y,0,EXTENT),this._boundsArray.emplaceBack(i[2].x,i[2].y,EXTENT,EXTENT),this.boundsBuffer&&(this.boundsBuffer.destroy(),delete this.boundsBuffer),this.fire(\"data\",{dataType:\"source\",sourceDataType:\"content\"}),this},t.prototype.prepare=function(){0!==Object.keys(this.tiles).length&&this.image&&this._prepareImage(this.map.painter.gl,this.image)},t.prototype._prepareImage=function(e,t,r){var o=this;this.boundsBuffer||(this.boundsBuffer=new VertexBuffer(e,this._boundsArray)),this.boundsVAO||(this.boundsVAO=new VertexArrayObject),this.textureLoaded?r?e.texImage2D(e.TEXTURE_2D,0,e.RGBA,e.RGBA,e.UNSIGNED_BYTE,t):(t instanceof window.HTMLVideoElement||t instanceof window.ImageData)&&(e.bindTexture(e.TEXTURE_2D,this.texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,e.RGBA,e.UNSIGNED_BYTE,t)):(this.textureLoaded=!0,this.texture=e.createTexture(),e.bindTexture(e.TEXTURE_2D,this.texture),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.LINEAR),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.LINEAR),e.texImage2D(e.TEXTURE_2D,0,e.RGBA,e.RGBA,e.UNSIGNED_BYTE,t));for(var i in o.tiles){var a=o.tiles[i];\"loaded\"!==a.state&&(a.state=\"loaded\",a.texture=o.texture)}},t.prototype.loadTile=function(e,t){this.coord&&this.coord.toString()===e.coord.toString()?(this.tiles[String(e.coord.w)]=e,e.buckets={},t(null)):(e.state=\"errored\",t(null))},t.prototype.serialize=function(){return{type:\"image\",url:this.options.url,coordinates:this.coordinates}},t}(Evented);module.exports=ImageSource;\n},{\"../data/extent\":48,\"../data/raster_bounds_array\":54,\"../geo/lng_lat\":58,\"../gl/vertex_buffer\":62,\"../render/vertex_array_object\":84,\"../util/ajax\":201,\"../util/browser\":202,\"../util/evented\":210,\"../util/util\":223,\"../util/window\":204,\"./tile_coord\":101,\"@mapbox/point-geometry\":2}],92:[function(_dereq_,module,exports){\n\"use strict\";var util=_dereq_(\"../util/util\"),ajax=_dereq_(\"../util/ajax\"),browser=_dereq_(\"../util/browser\"),normalizeURL=_dereq_(\"../util/mapbox\").normalizeSourceURL;module.exports=function(r,e,o){var u=function(r,e){if(r)return o(r);if(e){var u=util.pick(e,[\"tiles\",\"minzoom\",\"maxzoom\",\"attribution\",\"mapbox_logo\",\"bounds\"]);e.vector_layers&&(u.vectorLayers=e.vector_layers,u.vectorLayerIds=u.vectorLayers.map(function(r){return r.id})),o(null,u)}};r.url?ajax.getJSON(e(normalizeURL(r.url),ajax.ResourceType.Source),u):browser.frame(function(){return u(null,r)})};\n},{\"../util/ajax\":201,\"../util/browser\":202,\"../util/mapbox\":217,\"../util/util\":223}],93:[function(_dereq_,module,exports){\n\"use strict\";var EXTENT=_dereq_(\"../data/extent\");module.exports=function(e,t,r){return t*(EXTENT/(e.tileSize*Math.pow(2,r-e.coord.z)))};\n},{\"../data/extent\":48}],94:[function(_dereq_,module,exports){\n\"use strict\";function sortTilesIn(e,r){var o=e.coord,t=r.coord;return o.z-t.z||o.y-t.y||o.w-t.w||o.x-t.x}function mergeRenderedFeatureLayers(e){for(var r={},o={},t=0,n=e;t<n.length;t+=1){var u=n[t],a=u.queryResults,d=u.wrappedTileID,s=o[d]=o[d]||{};for(var i in a)for(var l=a[i],c=s[i]=s[i]||{},f=r[i]=r[i]||[],v=0,y=l;v<y.length;v+=1){var p=y[v];c[p.featureIndex]||(c[p.featureIndex]=!0,f.push(p.feature))}}return r}var TileCoord=_dereq_(\"./tile_coord\");exports.rendered=function(e,r,o,t,n,u){var a=e.tilesIn(o);a.sort(sortTilesIn);for(var d=[],s=0,i=a;s<i.length;s+=1){var l=i[s];d.push({wrappedTileID:l.coord.wrapped().id,queryResults:l.tile.queryRenderedFeatures(r,l.queryGeometry,l.scale,t,u)})}return mergeRenderedFeatureLayers(d)},exports.source=function(e,r){for(var o=e.getRenderableIds().map(function(r){return e.getTileByID(r)}),t=[],n={},u=0;u<o.length;u++){var a=o[u],d=new TileCoord(Math.min(a.sourceMaxZoom,a.coord.z),a.coord.x,a.coord.y,0).id;n[d]||(n[d]=!0,a.querySourceFeatures(t,r))}return t};\n},{\"./tile_coord\":101}],95:[function(_dereq_,module,exports){\n\"use strict\";var util=_dereq_(\"../util/util\"),ajax=_dereq_(\"../util/ajax\"),Evented=_dereq_(\"../util/evented\"),loadTileJSON=_dereq_(\"./load_tilejson\"),normalizeURL=_dereq_(\"../util/mapbox\").normalizeTileURL,TileBounds=_dereq_(\"./tile_bounds\"),RasterTileSource=function(e){function t(t,i,r,o){e.call(this),this.id=t,this.dispatcher=r,this.setEventedParent(o),this.type=\"raster\",this.minzoom=0,this.maxzoom=22,this.roundZoom=!0,this.scheme=\"xyz\",this.tileSize=512,this._loaded=!1,this._options=util.extend({},i),util.extend(this,util.pick(i,[\"url\",\"scheme\",\"tileSize\"]))}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.load=function(){var e=this;this.fire(\"dataloading\",{dataType:\"source\"}),loadTileJSON(this._options,this.map._transformRequest,function(t,i){t?e.fire(\"error\",t):i&&(util.extend(e,i),i.bounds&&(e.tileBounds=new TileBounds(i.bounds,e.minzoom,e.maxzoom)),e.fire(\"data\",{dataType:\"source\",sourceDataType:\"metadata\"}),e.fire(\"data\",{dataType:\"source\",sourceDataType:\"content\"}))})},t.prototype.onAdd=function(e){this.map=e,this.load()},t.prototype.serialize=function(){return util.extend({},this._options)},t.prototype.hasTile=function(e){return!this.tileBounds||this.tileBounds.contains(e,this.maxzoom)},t.prototype.loadTile=function(e,t){var i=this,r=normalizeURL(e.coord.url(this.tiles,null,this.scheme),this.url,this.tileSize);e.request=ajax.getImage(this.map._transformRequest(r,ajax.ResourceType.Tile),function(r,o){if(delete e.request,e.aborted)i.state=\"unloaded\",t(null);else if(r)i.state=\"errored\",t(r);else if(o){i.map._refreshExpiredTiles&&e.setExpiryData(o),delete o.cacheControl,delete o.expires;var a=i.map.painter.gl;e.texture=i.map.painter.getTileTexture(o.width),e.texture?(a.bindTexture(a.TEXTURE_2D,e.texture),a.texSubImage2D(a.TEXTURE_2D,0,0,0,a.RGBA,a.UNSIGNED_BYTE,o)):(e.texture=a.createTexture(),a.bindTexture(a.TEXTURE_2D,e.texture),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MIN_FILTER,a.LINEAR_MIPMAP_NEAREST),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MAG_FILTER,a.LINEAR),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE),a.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),i.map.painter.extTextureFilterAnisotropic&&a.texParameterf(a.TEXTURE_2D,i.map.painter.extTextureFilterAnisotropic.TEXTURE_MAX_ANISOTROPY_EXT,i.map.painter.extTextureFilterAnisotropicMax),a.texImage2D(a.TEXTURE_2D,0,a.RGBA,a.RGBA,a.UNSIGNED_BYTE,o),e.texture.size=o.width),a.generateMipmap(a.TEXTURE_2D),e.state=\"loaded\",t(null)}})},t.prototype.abortTile=function(e){e.request&&(e.request.abort(),delete e.request)},t.prototype.unloadTile=function(e){e.texture&&this.map.painter.saveTileTexture(e.texture)},t}(Evented);module.exports=RasterTileSource;\n},{\"../util/ajax\":201,\"../util/evented\":210,\"../util/mapbox\":217,\"../util/util\":223,\"./load_tilejson\":92,\"./tile_bounds\":100}],96:[function(_dereq_,module,exports){\n\"use strict\";var ajax=_dereq_(\"../util/ajax\"),Evented=_dereq_(\"../util/evented\"),window=_dereq_(\"../util/window\"),pluginRequested=!1,pluginBlobURL=null;module.exports.evented=new Evented,module.exports.registerForPluginAvailability=function(e){return pluginBlobURL?e({pluginBlobURL:pluginBlobURL,errorCallback:module.exports.errorCallback}):module.exports.evented.once(\"pluginAvailable\",e),e},module.exports.createBlobURL=function(e){return window.URL.createObjectURL(new window.Blob([e.data],{type:\"text/javascript\"}))},module.exports.clearRTLTextPlugin=function(){pluginRequested=!1,pluginBlobURL=null},module.exports.setRTLTextPlugin=function(e,l){if(pluginRequested)throw new Error(\"setRTLTextPlugin cannot be called multiple times.\");pluginRequested=!0,module.exports.errorCallback=l,ajax.getArrayBuffer({url:e},function(e,t){e?l(e):t&&(pluginBlobURL=module.exports.createBlobURL(t),module.exports.evented.fire(\"pluginAvailable\",{pluginBlobURL:pluginBlobURL,errorCallback:l}))})},module.exports.applyArabicShaping=null,module.exports.processBidirectionalText=null;\n},{\"../util/ajax\":201,\"../util/evented\":210,\"../util/window\":204}],97:[function(_dereq_,module,exports){\n\"use strict\";var util=_dereq_(\"../util/util\"),sourceTypes={vector:_dereq_(\"../source/vector_tile_source\"),raster:_dereq_(\"../source/raster_tile_source\"),geojson:_dereq_(\"../source/geojson_source\"),video:_dereq_(\"../source/video_source\"),image:_dereq_(\"../source/image_source\"),canvas:_dereq_(\"../source/canvas_source\")};exports.create=function(e,r,o,u){var s=new sourceTypes[r.type](e,r,o,u);if(s.id!==e)throw new Error(\"Expected Source id to be \"+e+\" instead of \"+s.id);return util.bindAll([\"load\",\"abort\",\"unload\",\"serialize\",\"prepare\"],s),s},exports.getType=function(e){return sourceTypes[e]},exports.setType=function(e,r){sourceTypes[e]=r};\n},{\"../source/canvas_source\":87,\"../source/geojson_source\":88,\"../source/image_source\":91,\"../source/raster_tile_source\":95,\"../source/vector_tile_source\":102,\"../source/video_source\":104,\"../util/util\":223}],98:[function(_dereq_,module,exports){\n\"use strict\";function coordinateToTilePoint(e,t,o){var i=o.zoomTo(Math.min(e.z,t));return new Point((i.column-(e.x+e.w*Math.pow(2,e.z)))*EXTENT,(i.row-e.y)*EXTENT)}function compareKeyZoom(e,t){return e%32-t%32}function isRasterType(e){return\"raster\"===e||\"image\"===e||\"video\"===e}var createSource=_dereq_(\"./source\").create,Tile=_dereq_(\"./tile\"),Evented=_dereq_(\"../util/evented\"),TileCoord=_dereq_(\"./tile_coord\"),Cache=_dereq_(\"../util/lru_cache\"),Coordinate=_dereq_(\"../geo/coordinate\"),util=_dereq_(\"../util/util\"),EXTENT=_dereq_(\"../data/extent\"),Point=_dereq_(\"@mapbox/point-geometry\"),SourceCache=function(e){function t(t,o,i){var r=this;e.call(this),this.id=t,this.dispatcher=i,this.on(\"data\",function(e){\"source\"===e.dataType&&\"metadata\"===e.sourceDataType&&(r._sourceLoaded=!0),r._sourceLoaded&&!r._paused&&\"source\"===e.dataType&&\"content\"===e.sourceDataType&&(r.reload(),r.transform&&r.update(r.transform))}),this.on(\"error\",function(){r._sourceErrored=!0}),this._source=createSource(t,o,i,this),this._tiles={},this._cache=new Cache(0,this._unloadTile.bind(this)),this._timers={},this._cacheTimers={},this._maxTileCacheSize=null,this._isIdRenderable=this._isIdRenderable.bind(this)}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.onAdd=function(e){this.map=e,this._maxTileCacheSize=e?e._maxTileCacheSize:null,this._source&&this._source.onAdd&&this._source.onAdd(e)},t.prototype.onRemove=function(e){this._source&&this._source.onRemove&&this._source.onRemove(e)},t.prototype.loaded=function(){var e=this;if(this._sourceErrored)return!0;if(!this._sourceLoaded)return!1;for(var t in e._tiles){var o=e._tiles[t];if(\"loaded\"!==o.state&&\"errored\"!==o.state)return!1}return!0},t.prototype.getSource=function(){return this._source},t.prototype.pause=function(){this._paused=!0},t.prototype.resume=function(){if(this._paused){var e=this._shouldReloadOnResume;this._paused=!1,this._shouldReloadOnResume=!1,e&&this.reload(),this.transform&&this.update(this.transform)}},t.prototype._loadTile=function(e,t){return this._source.loadTile(e,t)},t.prototype._unloadTile=function(e){if(this._source.unloadTile)return this._source.unloadTile(e)},t.prototype._abortTile=function(e){if(this._source.abortTile)return this._source.abortTile(e)},t.prototype.serialize=function(){return this._source.serialize()},t.prototype.prepare=function(e){var t=this;this._source.prepare&&this._source.prepare();for(var o in t._tiles)t._tiles[o].upload(e)},t.prototype.getIds=function(){return Object.keys(this._tiles).map(Number).sort(compareKeyZoom)},t.prototype.getRenderableIds=function(){return this.getIds().filter(this._isIdRenderable)},t.prototype._isIdRenderable=function(e){return this._tiles[e].hasData()&&!this._coveredTiles[e]},t.prototype.reload=function(){var e=this;if(this._paused)return void(this._shouldReloadOnResume=!0);this._cache.reset();for(var t in e._tiles)e._reloadTile(t,\"reloading\")},t.prototype._reloadTile=function(e,t){var o=this._tiles[e];o&&(\"loading\"!==o.state&&(o.state=t),this._loadTile(o,this._tileLoaded.bind(this,o,e,t)))},t.prototype._tileLoaded=function(e,t,o,i){if(i)return e.state=\"errored\",void(404!==i.status?this._source.fire(\"error\",{tile:e,error:i}):this.update(this.transform));e.timeAdded=(new Date).getTime(),\"expired\"===o&&(e.refreshedUponExpiration=!0),this._setTileReloadTimer(t,e),this._source.fire(\"data\",{dataType:\"source\",tile:e,coord:e.coord}),this.map&&(this.map.painter.tileExtentVAO.vao=null)},t.prototype.getTile=function(e){return this.getTileByID(e.id)},t.prototype.getTileByID=function(e){return this._tiles[e]},t.prototype.getZoom=function(e){return e.zoom+e.scaleZoom(e.tileSize/this._source.tileSize)},t.prototype._findLoadedChildren=function(e,t,o){var i=this,r=!1;for(var s in i._tiles){var a=i._tiles[s];if(!(o[s]||!a.hasData()||a.coord.z<=e.z||a.coord.z>t)){var n=Math.pow(2,Math.min(a.coord.z,i._source.maxzoom)-Math.min(e.z,i._source.maxzoom));if(Math.floor(a.coord.x/n)===e.x&&Math.floor(a.coord.y/n)===e.y)for(o[s]=!0,r=!0;a&&a.coord.z-1>e.z;){var d=a.coord.parent(i._source.maxzoom);if(!d)break;a=i._tiles[d.id],a&&a.hasData()&&(delete o[s],o[d.id]=!0)}}}return r},t.prototype.findLoadedParent=function(e,t,o){for(var i=this,r=e.z-1;r>=t;r--){var s=e.parent(i._source.maxzoom);if(!s)return;e=s;var a=String(e.id),n=i._tiles[a];if(n&&n.hasData())return o[a]=!0,n;if(i._cache.has(a))return o[a]=!0,i._cache.getWithoutRemoving(a)}},t.prototype.updateCacheSize=function(e){var t=Math.ceil(e.width/e.tileSize)+1,o=Math.ceil(e.height/e.tileSize)+1,i=t*o,r=Math.floor(5*i),s=\"number\"==typeof this._maxTileCacheSize?Math.min(this._maxTileCacheSize,r):r;this._cache.setMaxSize(s)},t.prototype.update=function(e){var o=this;if(this.transform=e,this._sourceLoaded&&!this._paused){this.updateCacheSize(e),this._coveredTiles={};var i;this.used?this._source.coord?i=e.getVisibleWrappedCoordinates(this._source.coord):(i=e.coveringTiles({tileSize:this._source.tileSize,minzoom:this._source.minzoom,maxzoom:this._source.maxzoom,roundZoom:this._source.roundZoom,reparseOverscaled:this._source.reparseOverscaled}),this._source.hasTile&&(i=i.filter(function(e){return o._source.hasTile(e)}))):i=[];var r=(this._source.roundZoom?Math.round:Math.floor)(this.getZoom(e)),s=Math.max(r-t.maxOverzooming,this._source.minzoom),a=Math.max(r+t.maxUnderzooming,this._source.minzoom),n=this._updateRetainedTiles(i,r),d={};if(isRasterType(this._source.type))for(var h=Object.keys(n),u=0;u<h.length;u++){var c=h[u],l=TileCoord.fromID(+c),_=o._tiles[c];if(_&&(void 0===_.fadeEndTime||_.fadeEndTime>=Date.now())){o._findLoadedChildren(l,a,n)&&(n[c]=!0);var m=o.findLoadedParent(l,s,d);m&&o._addTile(m.coord)}}var p;for(p in d)n[p]||(o._coveredTiles[p]=!0);for(p in d)n[p]=!0;for(var f=util.keysDifference(this._tiles,n),T=0;T<f.length;T++)o._removeTile(f[T])}},t.prototype._updateRetainedTiles=function(e,o){var i,r,s,a,n=this,d={},h={},u=Math.max(o-t.maxOverzooming,this._source.minzoom);for(i=0;i<e.length;i++){r=e[i],s=n._addTile(r);var c=!1;if(s.hasData())d[r.id]=!0;else{c=s.wasRequested(),d[r.id]=!0,a=!0;if(o+1>n._source.maxzoom){var l=r.children(n._source.maxzoom)[0],_=n.getTile(l);_&&_.hasData()?d[l.id]=!0:a=!1}else for(var m=r.children(n._source.maxzoom),p=0;p<m.length;p++){var f=m[p],T=f?n.getTile(f):null;T&&T.hasData()?d[f.id]=!0:a=!1}if(!a)for(var v=o-1;v>=u;--v){var y=r.scaledTo(v,n._source.maxzoom);if(h[y.id])break;if(h[y.id]=!0,s=n.getTile(y),!s&&c&&(s=n._addTile(y)),s&&(d[y.id]=!0,c=s.wasRequested(),s.hasData()))break}}}return d},t.prototype._addTile=function(e){var t=this._tiles[e.id];if(t)return t;(t=this._cache.get(e.id))&&(t.redoPlacement(this._source),this._cacheTimers[e.id]&&(clearTimeout(this._cacheTimers[e.id]),delete this._cacheTimers[e.id],this._setTileReloadTimer(e.id,t)));var o=Boolean(t);if(!o){var i=e.z,r=i>this._source.maxzoom?Math.pow(2,i-this._source.maxzoom):1;t=new Tile(e,this._source.tileSize*r,this._source.maxzoom),this._loadTile(t,this._tileLoaded.bind(this,t,e.id,t.state))}return t?(t.uses++,this._tiles[e.id]=t,o||this._source.fire(\"dataloading\",{tile:t,coord:t.coord,dataType:\"source\"}),t):null},t.prototype._setTileReloadTimer=function(e,t){var o=this,i=t.getExpiryTimeout();i&&(this._timers[e]=setTimeout(function(){o._reloadTile(e,\"expired\"),delete o._timers[e]},i))},t.prototype._setCacheInvalidationTimer=function(e,t){var o=this,i=t.getExpiryTimeout();i&&(this._cacheTimers[e]=setTimeout(function(){o._cache.remove(e),delete o._cacheTimers[e]},i))},t.prototype._removeTile=function(e){var t=this._tiles[e];if(t&&(t.uses--,delete this._tiles[e],this._timers[e]&&(clearTimeout(this._timers[e]),delete this._timers[e]),!(t.uses>0)))if(t.stopPlacementThrottler(),t.hasData()){var o=t.coord.wrapped().id;this._cache.add(o,t),this._setCacheInvalidationTimer(o,t)}else t.aborted=!0,this._abortTile(t),this._unloadTile(t)},t.prototype.clearTiles=function(){var e=this;this._shouldReloadOnResume=!1,this._paused=!1;for(var t in e._tiles)e._removeTile(t);this._cache.reset()},t.prototype.tilesIn=function(e){for(var t=this,o=[],i=this.getIds(),r=1/0,s=1/0,a=-1/0,n=-1/0,d=e[0].zoom,h=0;h<e.length;h++){var u=e[h];r=Math.min(r,u.column),s=Math.min(s,u.row),a=Math.max(a,u.column),n=Math.max(n,u.row)}for(var c=0;c<i.length;c++){var l=t._tiles[i[c]],_=TileCoord.fromID(i[c]),m=[coordinateToTilePoint(_,l.sourceMaxZoom,new Coordinate(r,s,d)),coordinateToTilePoint(_,l.sourceMaxZoom,new Coordinate(a,n,d))];if(m[0].x<EXTENT&&m[0].y<EXTENT&&m[1].x>=0&&m[1].y>=0){for(var p=[],f=0;f<e.length;f++)p.push(coordinateToTilePoint(_,l.sourceMaxZoom,e[f]));o.push({tile:l,coord:_,queryGeometry:[p],scale:Math.pow(2,t.transform.zoom-l.coord.z)})}}return o},t.prototype.redoPlacement=function(){for(var e=this,t=this.getIds(),o=0;o<t.length;o++){e.getTileByID(t[o]).redoPlacement(e._source)}},t.prototype.getVisibleCoordinates=function(){for(var e=this,t=this.getRenderableIds().map(TileCoord.fromID),o=0,i=t;o<i.length;o+=1){var r=i[o];r.posMatrix=e.transform.calculatePosMatrix(r,e._source.maxzoom)}return t},t}(Evented);SourceCache.maxOverzooming=10,SourceCache.maxUnderzooming=3,module.exports=SourceCache;\n},{\"../data/extent\":48,\"../geo/coordinate\":57,\"../util/evented\":210,\"../util/lru_cache\":216,\"../util/util\":223,\"./source\":97,\"./tile\":99,\"./tile_coord\":101,\"@mapbox/point-geometry\":2}],99:[function(_dereq_,module,exports){\n\"use strict\";var util=_dereq_(\"../util/util\"),deserializeBucket=_dereq_(\"../data/bucket\").deserialize,SymbolBucket=_dereq_(\"../data/bucket/symbol_bucket\"),FeatureIndex=_dereq_(\"../data/feature_index\"),vt=_dereq_(\"@mapbox/vector-tile\"),Protobuf=_dereq_(\"pbf\"),GeoJSONFeature=_dereq_(\"../util/vectortile_to_geojson\"),featureFilter=_dereq_(\"../style-spec/feature_filter\"),CollisionTile=_dereq_(\"../symbol/collision_tile\"),CollisionBoxArray=_dereq_(\"../symbol/collision_box\"),Throttler=_dereq_(\"../util/throttler\"),Texture=_dereq_(\"../render/texture\"),CLOCK_SKEW_RETRY_TIMEOUT=3e4,Tile=function(e,t,i){this.coord=e,this.uid=util.uniqueId(),this.uses=0,this.tileSize=t,this.sourceMaxZoom=i,this.buckets={},this.expirationTime=null,this.expiredRequestCount=0,this.state=\"loading\",this.placementThrottler=new Throttler(300,this._immediateRedoPlacement.bind(this))};Tile.prototype.registerFadeDuration=function(e,t){var i=t+this.timeAdded;i<Date.now()||this.fadeEndTime&&i<this.fadeEndTime||(this.fadeEndTime=i,e.set(this.fadeEndTime-Date.now()))},Tile.prototype.wasRequested=function(){return\"errored\"===this.state||\"loaded\"===this.state||\"reloading\"===this.state},Tile.prototype.loadVectorData=function(e,t){this.hasData()&&this.unloadVectorData(),this.state=\"loaded\",e&&(e.rawTileData&&(this.rawTileData=e.rawTileData),this.collisionBoxArray=new CollisionBoxArray(e.collisionBoxArray),this.collisionTile=CollisionTile.deserialize(e.collisionTile,this.collisionBoxArray),this.featureIndex=FeatureIndex.deserialize(e.featureIndex,this.rawTileData,this.collisionTile),this.buckets=deserializeBucket(e.buckets,t.style),e.iconAtlasImage&&(this.iconAtlasImage=e.iconAtlasImage),e.glyphAtlasImage&&(this.glyphAtlasImage=e.glyphAtlasImage))},Tile.prototype.reloadSymbolData=function(e,t){var i=this;if(\"unloaded\"!==this.state){this.collisionTile=CollisionTile.deserialize(e.collisionTile,this.collisionBoxArray),this.featureIndex&&this.featureIndex.setCollisionTile(this.collisionTile);for(var a in i.buckets){var s=i.buckets[a];s instanceof SymbolBucket&&(s.destroy(),delete i.buckets[a])}util.extend(this.buckets,deserializeBucket(e.buckets,t)),e.iconAtlasImage&&(this.iconAtlasImage=e.iconAtlasImage),e.glyphAtlasImage&&(this.glyphAtlasImage=e.glyphAtlasImage)}},Tile.prototype.unloadVectorData=function(){var e=this;for(var t in e.buckets)e.buckets[t].destroy();this.buckets={},this.iconAtlasTexture&&this.iconAtlasTexture.destroy(),this.glyphAtlasTexture&&this.glyphAtlasTexture.destroy(),this.collisionBoxArray=null,this.collisionTile=null,this.featureIndex=null,this.state=\"unloaded\"},Tile.prototype.redoPlacement=function(e){if(\"vector\"===e.type||\"geojson\"===e.type){if(\"loaded\"!==this.state)return void(this.redoWhenDone=!0);if(this.collisionTile){var t=e.map.transform.cameraToTileDistance(this);if(this.angle===e.map.transform.angle&&this.pitch===e.map.transform.pitch&&this.showCollisionBoxes===e.map.showCollisionBoxes){if(this.cameraToTileDistance===t&&this.cameraToCenterDistance===e.map.transform.cameraToCenterDistance)return;if(this.pitch<25)return this.cameraToTileDistance=t,void(this.cameraToCenterDistance=e.map.transform.cameraToCenterDistance)}this.angle=e.map.transform.angle,this.pitch=e.map.transform.pitch,this.cameraToCenterDistance=e.map.transform.cameraToCenterDistance,this.cameraToTileDistance=t,this.showCollisionBoxes=e.map.showCollisionBoxes,this.placementSource=e,this.state=\"reloading\",this.placementThrottler.invoke()}}},Tile.prototype._immediateRedoPlacement=function(){var e=this;this.placementSource.dispatcher.send(\"redoPlacement\",{type:this.placementSource.type,uid:this.uid,source:this.placementSource.id,angle:this.angle,pitch:this.pitch,cameraToCenterDistance:this.cameraToCenterDistance,cameraToTileDistance:this.cameraToTileDistance,showCollisionBoxes:this.showCollisionBoxes},function(t,i){\"reloading\"===e.state&&(e.state=\"loaded\",e.reloadSymbolData(i,e.placementSource.map.style),e.placementSource.fire(\"data\",{tile:e,coord:e.coord,dataType:\"source\"}),e.placementSource.map&&(e.placementSource.map.painter.tileExtentVAO.vao=null),e.redoWhenDone&&(e.state=\"reloading\",e.redoWhenDone=!1,e._immediateRedoPlacement()))},this.workerID)},Tile.prototype.getBucket=function(e){return this.buckets[e.id]},Tile.prototype.upload=function(e){var t=this;for(var i in t.buckets){var a=t.buckets[i];a.uploaded||(a.upload(e),a.uploaded=!0)}this.iconAtlasImage&&(this.iconAtlasTexture=new Texture(e,this.iconAtlasImage,e.RGBA),this.iconAtlasImage=null),this.glyphAtlasImage&&(this.glyphAtlasTexture=new Texture(e,this.glyphAtlasImage,e.ALPHA),this.glyphAtlasImage=null)},Tile.prototype.queryRenderedFeatures=function(e,t,i,a,s){var o=this;if(!this.featureIndex)return{};var r=0;for(var l in e){var n=o.getBucket(e[l]);n&&(r=Math.max(r,e[l].queryRadius(n)))}return this.featureIndex.query({queryGeometry:t,bearing:s,params:a,scale:i,additionalRadius:r,tileSize:this.tileSize},e)},Tile.prototype.querySourceFeatures=function(e,t){var i=this;if(this.rawTileData){this.vtLayers||(this.vtLayers=new vt.VectorTile(new Protobuf(this.rawTileData)).layers);var a=t?t.sourceLayer:\"\",s=this.vtLayers._geojsonTileLayer||this.vtLayers[a];if(s)for(var o=featureFilter(t&&t.filter),r={z:this.coord.z,x:this.coord.x,y:this.coord.y},l=0;l<s.length;l++){var n=s.feature(l);if(o(n)){var h=new GeoJSONFeature(n,i.coord.z,i.coord.x,i.coord.y);h.tile=r,e.push(h)}}}},Tile.prototype.hasData=function(){return\"loaded\"===this.state||\"reloading\"===this.state||\"expired\"===this.state},Tile.prototype.setExpiryData=function(e){var t=this.expirationTime;if(e.cacheControl){var i=util.parseCacheControl(e.cacheControl);i[\"max-age\"]&&(this.expirationTime=Date.now()+1e3*i[\"max-age\"])}else e.expires&&(this.expirationTime=new Date(e.expires).getTime());if(this.expirationTime){var a=Date.now(),s=!1;if(this.expirationTime>a)s=!1;else if(t)if(this.expirationTime<t)s=!0;else{var o=this.expirationTime-t;o?this.expirationTime=a+Math.max(o,CLOCK_SKEW_RETRY_TIMEOUT):s=!0}else s=!0;s?(this.expiredRequestCount++,this.state=\"expired\"):this.expiredRequestCount=0}},Tile.prototype.getExpiryTimeout=function(){if(this.expirationTime)return this.expiredRequestCount?1e3*(1<<Math.min(this.expiredRequestCount-1,31)):Math.min(this.expirationTime-(new Date).getTime(),Math.pow(2,31)-1)},Tile.prototype.stopPlacementThrottler=function(){this.placementThrottler.stop(),\"reloading\"===this.state&&(this.state=\"loaded\")},module.exports=Tile;\n},{\"../data/bucket\":42,\"../data/bucket/symbol_bucket\":47,\"../data/feature_index\":49,\"../render/texture\":83,\"../style-spec/feature_filter\":110,\"../symbol/collision_box\":170,\"../symbol/collision_tile\":172,\"../util/throttler\":221,\"../util/util\":223,\"../util/vectortile_to_geojson\":224,\"@mapbox/vector-tile\":6,\"pbf\":29}],100:[function(_dereq_,module,exports){\n\"use strict\";var LngLatBounds=_dereq_(\"../geo/lng_lat_bounds\"),clamp=_dereq_(\"../util/util\").clamp,TileBounds=function(t,n,o){this.bounds=LngLatBounds.convert(this.validateBounds(t)),this.minzoom=n||0,this.maxzoom=o||24};TileBounds.prototype.validateBounds=function(t){return Array.isArray(t)&&4===t.length?[Math.max(-180,t[0]),Math.max(-90,t[1]),Math.min(180,t[2]),Math.min(90,t[3])]:[-180,-90,180,90]},TileBounds.prototype.contains=function(t,n){var o=n?Math.min(t.z,n):t.z,a={minX:Math.floor(this.lngX(this.bounds.getWest(),o)),minY:Math.floor(this.latY(this.bounds.getNorth(),o)),maxX:Math.ceil(this.lngX(this.bounds.getEast(),o)),maxY:Math.ceil(this.latY(this.bounds.getSouth(),o))};return t.x>=a.minX&&t.x<a.maxX&&t.y>=a.minY&&t.y<a.maxY},TileBounds.prototype.lngX=function(t,n){return(t+180)*(Math.pow(2,n)/360)},TileBounds.prototype.latY=function(t,n){var o=clamp(Math.sin(Math.PI/180*t),-.9999,.9999),a=Math.pow(2,n)/(2*Math.PI);return Math.pow(2,n-1)+.5*Math.log((1+o)/(1-o))*-a},module.exports=TileBounds;\n},{\"../geo/lng_lat_bounds\":59,\"../util/util\":223}],101:[function(_dereq_,module,exports){\n\"use strict\";function edge(t,i){if(t.row>i.row){var o=t;t=i,i=o}return{x0:t.column,y0:t.row,x1:i.column,y1:i.row,dx:i.column-t.column,dy:i.row-t.row}}function scanSpans(t,i,o,r,e){var h=Math.max(o,Math.floor(i.y0)),n=Math.min(r,Math.ceil(i.y1));if(t.x0===i.x0&&t.y0===i.y0?t.x0+i.dy/t.dy*t.dx<i.x1:t.x1-i.dy/t.dy*t.dx<i.x0){var s=t;t=i,i=s}for(var a=t.dx/t.dy,d=i.dx/i.dy,l=t.dx>0,y=i.dx<0,x=h;x<n;x++){var u=a*Math.max(0,Math.min(t.dy,x+l-t.y0))+t.x0,c=d*Math.max(0,Math.min(i.dy,x+y-i.y0))+i.x0;e(Math.floor(c),Math.ceil(u),x)}}function scanTriangle(t,i,o,r,e,h){var n,s=edge(t,i),a=edge(i,o),d=edge(o,t);s.dy>a.dy&&(n=s,s=a,a=n),s.dy>d.dy&&(n=s,s=d,d=n),a.dy>d.dy&&(n=a,a=d,d=n),s.dy&&scanSpans(d,s,r,e,h),a.dy&&scanSpans(d,a,r,e,h)}function getQuadkey(t,i,o){for(var r,e=\"\",h=t;h>0;h--)r=1<<h-1,e+=(i&r?1:0)+(o&r?2:0);return e}var WhooTS=_dereq_(\"@mapbox/whoots-js\"),Coordinate=_dereq_(\"../geo/coordinate\"),TileCoord=function(t,i,o,r){(void 0===r||isNaN(r))&&(r=0),this.z=+t,this.x=+i,this.y=+o,this.w=+r,(r*=2)<0&&(r=-1*r-1);var e=1<<this.z;this.id=32*(e*e*r+e*this.y+this.x)+this.z,this.posMatrix=null};TileCoord.prototype.toString=function(){return this.z+\"/\"+this.x+\"/\"+this.y},TileCoord.prototype.toCoordinate=function(t){var i=Math.min(this.z,void 0===t?this.z:t),o=Math.pow(2,i),r=this.y,e=this.x+o*this.w;return new Coordinate(e,r,i)},TileCoord.prototype.url=function(t,i,o){var r=WhooTS.getTileBBox(this.x,this.y,this.z),e=getQuadkey(this.z,this.x,this.y);return t[(this.x+this.y)%t.length].replace(\"{prefix}\",(this.x%16).toString(16)+(this.y%16).toString(16)).replace(\"{z}\",String(Math.min(this.z,i||this.z))).replace(\"{x}\",String(this.x)).replace(\"{y}\",String(\"tms\"===o?Math.pow(2,this.z)-this.y-1:this.y)).replace(\"{quadkey}\",e).replace(\"{bbox-epsg-3857}\",r)},TileCoord.prototype.parent=function(t){return 0===this.z?null:this.z>t?new TileCoord(this.z-1,this.x,this.y,this.w):new TileCoord(this.z-1,Math.floor(this.x/2),Math.floor(this.y/2),this.w)},TileCoord.prototype.wrapped=function(){return new TileCoord(this.z,this.x,this.y,0)},TileCoord.prototype.children=function(t){if(this.z>=t)return[new TileCoord(this.z+1,this.x,this.y,this.w)];var i=this.z+1,o=2*this.x,r=2*this.y;return[new TileCoord(i,o,r,this.w),new TileCoord(i,o+1,r,this.w),new TileCoord(i,o,r+1,this.w),new TileCoord(i,o+1,r+1,this.w)]},TileCoord.prototype.scaledTo=function(t,i){return this.z>i?new TileCoord(t,this.x,this.y,this.w):t<=this.z?new TileCoord(t,this.x>>this.z-t,this.y>>this.z-t,this.w):new TileCoord(t,this.x<<t-this.z,this.y<<t-this.z,this.w)},TileCoord.cover=function(t,i,o,r){function e(t,i,e){var s,a,d,l;if(e>=0&&e<=h)for(s=t;s<i;s++)a=Math.floor(s/h),d=(s%h+h)%h,0!==a&&!0!==r||(l=new TileCoord(o,d,e,a),n[l.id]=l)}void 0===r&&(r=!0);var h=1<<t,n={};return scanTriangle(i[0],i[1],i[2],0,h,e),scanTriangle(i[2],i[3],i[0],0,h,e),Object.keys(n).map(function(t){return n[t]})},TileCoord.fromID=function(t){var i=t%32,o=1<<i,r=(t-i)/32,e=r%o,h=(r-e)/o%o,n=Math.floor(r/(o*o));return n%2!=0&&(n=-1*n-1),n/=2,new TileCoord(i,e,h,n)},module.exports=TileCoord;\n},{\"../geo/coordinate\":57,\"@mapbox/whoots-js\":10}],102:[function(_dereq_,module,exports){\n\"use strict\";var Evented=_dereq_(\"../util/evented\"),util=_dereq_(\"../util/util\"),loadTileJSON=_dereq_(\"./load_tilejson\"),normalizeURL=_dereq_(\"../util/mapbox\").normalizeTileURL,TileBounds=_dereq_(\"./tile_bounds\"),ResourceType=_dereq_(\"../util/ajax\").ResourceType,browser=_dereq_(\"../util/browser\"),VectorTileSource=function(e){function t(t,i,o,r){if(e.call(this),this.id=t,this.dispatcher=o,this.type=\"vector\",this.minzoom=0,this.maxzoom=22,this.scheme=\"xyz\",this.tileSize=512,this.reparseOverscaled=!0,this.isTileClipped=!0,util.extend(this,util.pick(i,[\"url\",\"scheme\",\"tileSize\"])),this._options=util.extend({type:\"vector\"},i),512!==this.tileSize)throw new Error(\"vector tile sources must have a tileSize of 512\");this.setEventedParent(r)}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.load=function(){var e=this;this.fire(\"dataloading\",{dataType:\"source\"}),loadTileJSON(this._options,this.map._transformRequest,function(t,i){t?e.fire(\"error\",t):i&&(util.extend(e,i),i.bounds&&(e.tileBounds=new TileBounds(i.bounds,e.minzoom,e.maxzoom)),e.fire(\"data\",{dataType:\"source\",sourceDataType:\"metadata\"}),e.fire(\"data\",{dataType:\"source\",sourceDataType:\"content\"}))})},t.prototype.hasTile=function(e){return!this.tileBounds||this.tileBounds.contains(e,this.maxzoom)},t.prototype.onAdd=function(e){this.map=e,this.load()},t.prototype.serialize=function(){return util.extend({},this._options)},t.prototype.loadTile=function(e,t){function i(i,o){if(!e.aborted){if(i)return t(i);this.map._refreshExpiredTiles&&e.setExpiryData(o),e.loadVectorData(o,this.map.painter),e.redoWhenDone&&(e.redoWhenDone=!1,e.redoPlacement(this)),t(null),e.reloadCallback&&(this.loadTile(e,e.reloadCallback),e.reloadCallback=null)}}var o=e.coord.z>this.maxzoom?Math.pow(2,e.coord.z-this.maxzoom):1,r=normalizeURL(e.coord.url(this.tiles,this.maxzoom,this.scheme),this.url),s={request:this.map._transformRequest(r,ResourceType.Tile),uid:e.uid,coord:e.coord,zoom:e.coord.z,tileSize:this.tileSize*o,type:this.type,source:this.id,pixelRatio:browser.devicePixelRatio,overscaling:o,angle:this.map.transform.angle,pitch:this.map.transform.pitch,cameraToCenterDistance:this.map.transform.cameraToCenterDistance,cameraToTileDistance:this.map.transform.cameraToTileDistance(e),showCollisionBoxes:this.map.showCollisionBoxes};e.workerID&&\"expired\"!==e.state?\"loading\"===e.state?e.reloadCallback=t:this.dispatcher.send(\"reloadTile\",s,i.bind(this),e.workerID):e.workerID=this.dispatcher.send(\"loadTile\",s,i.bind(this))},t.prototype.abortTile=function(e){this.dispatcher.send(\"abortTile\",{uid:e.uid,type:this.type,source:this.id},void 0,e.workerID)},t.prototype.unloadTile=function(e){e.unloadVectorData(),this.dispatcher.send(\"removeTile\",{uid:e.uid,type:this.type,source:this.id},void 0,e.workerID)},t}(Evented);module.exports=VectorTileSource;\n},{\"../util/ajax\":201,\"../util/browser\":202,\"../util/evented\":210,\"../util/mapbox\":217,\"../util/util\":223,\"./load_tilejson\":92,\"./tile_bounds\":100}],103:[function(_dereq_,module,exports){\n\"use strict\";function loadVectorTile(e,r){var o=ajax.getArrayBuffer(e.request,function(e,o){e?r(e):o&&r(null,{vectorTile:new vt.VectorTile(new Protobuf(o.data)),rawData:o.data,cacheControl:o.cacheControl,expires:o.expires})});return function(){o.abort()}}var ajax=_dereq_(\"../util/ajax\"),vt=_dereq_(\"@mapbox/vector-tile\"),Protobuf=_dereq_(\"pbf\"),WorkerTile=_dereq_(\"./worker_tile\"),util=_dereq_(\"../util/util\"),VectorTileWorkerSource=function(e,r,o){this.actor=e,this.layerIndex=r,this.loadVectorData=o||loadVectorTile,this.loading={},this.loaded={}};VectorTileWorkerSource.prototype.loadTile=function(e,r){var o=this,t=e.source,a=e.uid;this.loading[t]||(this.loading[t]={});var i=this.loading[t][a]=new WorkerTile(e);i.abort=this.loadVectorData(e,function(e,l){if(delete o.loading[t][a],e||!l)return r(e);var c=l.rawData,n={};l.expires&&(n.expires=l.expires),l.cacheControl&&(n.cacheControl=l.cacheControl),i.vectorTile=l.vectorTile,i.parse(l.vectorTile,o.layerIndex,o.actor,function(e,o,t){if(e||!o)return r(e);r(null,util.extend({rawTileData:c},o,n),t)}),o.loaded[t]=o.loaded[t]||{},o.loaded[t][a]=i})},VectorTileWorkerSource.prototype.reloadTile=function(e,r){function o(e,o){if(this.reloadCallback){var t=this.reloadCallback;delete this.reloadCallback,this.parse(this.vectorTile,i.layerIndex,i.actor,t)}r(e,o)}var t=this.loaded[e.source],a=e.uid,i=this;if(t&&t[a]){var l=t[a];\"parsing\"===l.status?l.reloadCallback=r:\"done\"===l.status&&l.parse(l.vectorTile,this.layerIndex,this.actor,o.bind(l))}},VectorTileWorkerSource.prototype.abortTile=function(e){var r=this.loading[e.source],o=e.uid;r&&r[o]&&r[o].abort&&(r[o].abort(),delete r[o])},VectorTileWorkerSource.prototype.removeTile=function(e){var r=this.loaded[e.source],o=e.uid;r&&r[o]&&delete r[o]},VectorTileWorkerSource.prototype.redoPlacement=function(e,r){var o=this.loaded[e.source],t=this.loading[e.source],a=e.uid;if(o&&o[a]){var i=o[a],l=i.redoPlacement(e.angle,e.pitch,e.cameraToCenterDistance,e.cameraToTileDistance,e.showCollisionBoxes);l.result&&r(null,l.result,l.transferables)}else t&&t[a]&&(t[a].angle=e.angle)},module.exports=VectorTileWorkerSource;\n},{\"../util/ajax\":201,\"../util/util\":223,\"./worker_tile\":106,\"@mapbox/vector-tile\":6,\"pbf\":29}],104:[function(_dereq_,module,exports){\n\"use strict\";var ajax=_dereq_(\"../util/ajax\"),ImageSource=_dereq_(\"./image_source\"),VideoSource=function(e){function t(t,o,i,r){e.call(this,t,o,i,r),this.roundZoom=!0,this.type=\"video\",this.options=o}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.load=function(){var e=this,t=this.options;this.urls=t.urls,ajax.getVideo(t.urls,function(t,o){if(t)e.fire(\"error\",{error:t});else if(o){e.video=o,e.video.loop=!0;var i;e.video.addEventListener(\"playing\",function(){i=e.map.style.animationLoop.set(1/0),e.map._rerender()}),e.video.addEventListener(\"pause\",function(){e.map.style.animationLoop.cancel(i)}),e.map&&e.video.play(),e._finishLoading()}})},t.prototype.getVideo=function(){return this.video},t.prototype.onAdd=function(e){this.map||(this.map=e,this.load(),this.video&&(this.video.play(),this.setCoordinates(this.coordinates)))},t.prototype.prepare=function(){0===Object.keys(this.tiles).length||this.video.readyState<2||this._prepareImage(this.map.painter.gl,this.video)},t.prototype.serialize=function(){return{type:\"video\",urls:this.urls,coordinates:this.coordinates}},t}(ImageSource);module.exports=VideoSource;\n},{\"../util/ajax\":201,\"./image_source\":91}],105:[function(_dereq_,module,exports){\n\"use strict\";var Actor=_dereq_(\"../util/actor\"),StyleLayerIndex=_dereq_(\"../style/style_layer_index\"),VectorTileWorkerSource=_dereq_(\"./vector_tile_worker_source\"),GeoJSONWorkerSource=_dereq_(\"./geojson_worker_source\"),globalRTLTextPlugin=_dereq_(\"./rtl_text_plugin\"),Worker=function(e){var r=this;this.self=e,this.actor=new Actor(e,this),this.layerIndexes={},this.workerSourceTypes={vector:VectorTileWorkerSource,geojson:GeoJSONWorkerSource},this.workerSources={},this.self.registerWorkerSource=function(e,o){if(r.workerSourceTypes[e])throw new Error('Worker source with name \"'+e+'\" already registered.');r.workerSourceTypes[e]=o},this.self.registerRTLTextPlugin=function(e){if(globalRTLTextPlugin.applyArabicShaping||globalRTLTextPlugin.processBidirectionalText)throw new Error(\"RTL text plugin already registered.\");globalRTLTextPlugin.applyArabicShaping=e.applyArabicShaping,globalRTLTextPlugin.processBidirectionalText=e.processBidirectionalText}};Worker.prototype.setLayers=function(e,r){this.getLayerIndex(e).replace(r)},Worker.prototype.updateLayers=function(e,r){this.getLayerIndex(e).update(r.layers,r.removedIds,r.symbolOrder)},Worker.prototype.loadTile=function(e,r,o){this.getWorkerSource(e,r.type).loadTile(r,o)},Worker.prototype.reloadTile=function(e,r,o){this.getWorkerSource(e,r.type).reloadTile(r,o)},Worker.prototype.abortTile=function(e,r){this.getWorkerSource(e,r.type).abortTile(r)},Worker.prototype.removeTile=function(e,r){this.getWorkerSource(e,r.type).removeTile(r)},Worker.prototype.removeSource=function(e,r){var o=this.getWorkerSource(e,r.type);void 0!==o.removeSource&&o.removeSource(r)},Worker.prototype.redoPlacement=function(e,r,o){this.getWorkerSource(e,r.type).redoPlacement(r,o)},Worker.prototype.loadWorkerSource=function(e,r,o){try{this.self.importScripts(r.url),o()}catch(e){o(e)}},Worker.prototype.loadRTLTextPlugin=function(e,r,o){try{globalRTLTextPlugin.applyArabicShaping||globalRTLTextPlugin.processBidirectionalText||(this.self.importScripts(r),globalRTLTextPlugin.applyArabicShaping&&globalRTLTextPlugin.processBidirectionalText||o(new Error(\"RTL Text Plugin failed to import scripts from \"+r)))}catch(e){o(e)}},Worker.prototype.getLayerIndex=function(e){var r=this.layerIndexes[e];return r||(r=this.layerIndexes[e]=new StyleLayerIndex),r},Worker.prototype.getWorkerSource=function(e,r){var o=this;if(this.workerSources[e]||(this.workerSources[e]={}),!this.workerSources[e][r]){var t={send:function(r,t,i,n){o.actor.send(r,t,i,n,e)}};this.workerSources[e][r]=new this.workerSourceTypes[r](t,this.getLayerIndex(e))}return this.workerSources[e][r]},module.exports=function(e){return new Worker(e)};\n},{\"../style/style_layer_index\":164,\"../util/actor\":200,\"./geojson_worker_source\":89,\"./rtl_text_plugin\":96,\"./vector_tile_worker_source\":103}],106:[function(_dereq_,module,exports){\n\"use strict\";function recalculateLayers(e,i){for(var r=0,t=e.layers;r<t.length;r+=1){t[r].recalculate(i)}}function serializeBuckets(e,i){return e.filter(function(e){return!e.isEmpty()}).map(function(e){return e.serialize(i)})}var FeatureIndex=_dereq_(\"../data/feature_index\"),CollisionTile=_dereq_(\"../symbol/collision_tile\"),CollisionBoxArray=_dereq_(\"../symbol/collision_box\"),DictionaryCoder=_dereq_(\"../util/dictionary_coder\"),SymbolBucket=_dereq_(\"../data/bucket/symbol_bucket\"),util=_dereq_(\"../util/util\"),ref=_dereq_(\"../render/image_atlas\"),makeImageAtlas=ref.makeImageAtlas,ref$1=_dereq_(\"../render/glyph_atlas\"),makeGlyphAtlas=ref$1.makeGlyphAtlas,WorkerTile=function(e){this.coord=e.coord,this.uid=e.uid,this.zoom=e.zoom,this.pixelRatio=e.pixelRatio,this.tileSize=e.tileSize,this.source=e.source,this.overscaling=e.overscaling,this.angle=e.angle,this.pitch=e.pitch,this.cameraToCenterDistance=e.cameraToCenterDistance,this.cameraToTileDistance=e.cameraToTileDistance,this.showCollisionBoxes=e.showCollisionBoxes};WorkerTile.prototype.parse=function(e,i,r,t){function a(){var e=this;if(D)return t(D);if(A&&C){for(var i=new CollisionTile(this.angle,this.pitch,this.cameraToCenterDistance,this.cameraToTileDistance,this.collisionBoxArray),r=makeGlyphAtlas(A),a=makeImageAtlas(C),o=0,s=e.symbolBuckets;o<s.length;o+=1){var c=s[o];recalculateLayers(c,e.zoom),c.prepare(A,r.positions,C,a.positions),c.place(i,e.showCollisionBoxes)}this.status=\"done\";var u=[r.image.data.buffer,a.image.data.buffer];t(null,{buckets:serializeBuckets(util.values(n),u),featureIndex:l.serialize(u),collisionTile:i.serialize(u),collisionBoxArray:this.collisionBoxArray.serialize(),glyphAtlasImage:r.image,iconAtlasImage:a.image},u)}}var o=this;this.status=\"parsing\",this.data=e,this.collisionBoxArray=new CollisionBoxArray;var s=new DictionaryCoder(Object.keys(e.layers).sort()),l=new FeatureIndex(this.coord,this.overscaling);l.bucketLayerIDs=[];var n={},c={featureIndex:l,iconDependencies:{},glyphDependencies:{}},u=i.familiesBySource[this.source];for(var h in u){var m=e.layers[h];if(m){1===m.version&&util.warnOnce('Vector tile source \"'+o.source+'\" layer \"'+h+'\" does not use vector tile spec v2 and therefore may have some rendering errors.');for(var y=s.encode(h),p=[],d=0;d<m.length;d++){var f=m.feature(d);p.push({feature:f,index:d,sourceLayerIndex:y})}for(var g=0,v=u[h];g<v.length;g+=1){var k=v[g],b=k[0];if(!(b.minzoom&&o.zoom<Math.floor(b.minzoom))&&!(b.maxzoom&&o.zoom>=b.maxzoom||b.layout&&\"none\"===b.layout.visibility)){for(var x=0,T=k;x<T.length;x+=1){T[x].recalculate(o.zoom)}(n[b.id]=b.createBucket({index:l.bucketLayerIDs.length,layers:k,zoom:o.zoom,pixelRatio:o.pixelRatio,overscaling:o.overscaling,collisionBoxArray:o.collisionBoxArray})).populate(p,c),l.bucketLayerIDs.push(k.map(function(e){return e.id}))}}}}this.symbolBuckets=[];for(var z=i.symbolOrder.length-1;z>=0;z--){var B=n[i.symbolOrder[z]];B&&o.symbolBuckets.push(B)}var D,A,C,I=util.mapObject(c.glyphDependencies,function(e){return Object.keys(e).map(Number)});Object.keys(I).length?r.send(\"getGlyphs\",{uid:this.uid,stacks:I},function(e,i){D||(D=e,A=i,a.call(o))}):A={};var w=Object.keys(c.iconDependencies);w.length?r.send(\"getImages\",{icons:w},function(e,i){D||(D=e,C=i,a.call(o))}):C={},a.call(this)},WorkerTile.prototype.redoPlacement=function(e,i,r,t,a){var o=this;if(this.angle=e,this.pitch=i,this.cameraToCenterDistance=r,this.cameraToTileDistance=t,\"done\"!==this.status)return{};for(var s=new CollisionTile(this.angle,this.pitch,this.cameraToCenterDistance,this.cameraToTileDistance,this.collisionBoxArray),l=0,n=o.symbolBuckets;l<n.length;l+=1){var c=n[l];recalculateLayers(c,o.zoom),c.place(s,a)}var u=[];return{result:{buckets:serializeBuckets(this.symbolBuckets,u),collisionTile:s.serialize(u)},transferables:u}},module.exports=WorkerTile;\n},{\"../data/bucket/symbol_bucket\":47,\"../data/feature_index\":49,\"../render/glyph_atlas\":74,\"../render/image_atlas\":76,\"../symbol/collision_box\":170,\"../symbol/collision_tile\":172,\"../util/dictionary_coder\":207,\"../util/util\":223}],107:[function(_dereq_,module,exports){\n\"use strict\";function deref(r,e){var f={};for(var t in r)\"ref\"!==t&&(f[t]=r[t]);return refProperties.forEach(function(r){r in e&&(f[r]=e[r])}),f}function derefLayers(r){r=r.slice();for(var e=Object.create(null),f=0;f<r.length;f++)e[r[f].id]=r[f];for(var t=0;t<r.length;t++)\"ref\"in r[t]&&(r[t]=deref(r[t],e[r[t].ref]));return r}var refProperties=_dereq_(\"./util/ref_properties\");module.exports=derefLayers;\n},{\"./util/ref_properties\":129}],108:[function(_dereq_,module,exports){\n\"use strict\";function diffSources(e,r,o,a){e=e||{},r=r||{};var s;for(s in e)e.hasOwnProperty(s)&&(r.hasOwnProperty(s)||(o.push({command:operations.removeSource,args:[s]}),a[s]=!0));for(s in r)r.hasOwnProperty(s)&&(e.hasOwnProperty(s)?isEqual(e[s],r[s])||(o.push({command:operations.removeSource,args:[s]}),o.push({command:operations.addSource,args:[s,r[s]]}),a[s]=!0):o.push({command:operations.addSource,args:[s,r[s]]}))}function diffLayerPropertyChanges(e,r,o,a,s,t){e=e||{},r=r||{};var n;for(n in e)e.hasOwnProperty(n)&&(isEqual(e[n],r[n])||o.push({command:t,args:[a,n,r[n],s]}));for(n in r)r.hasOwnProperty(n)&&!e.hasOwnProperty(n)&&(isEqual(e[n],r[n])||o.push({command:t,args:[a,n,r[n],s]}))}function pluckId(e){return e.id}function indexById(e,r){return e[r.id]=r,e}function diffLayers(e,r,o){e=e||[],r=r||[];var a,s,t,n,i,p,m,u=e.map(pluckId),l=r.map(pluckId),y=e.reduce(indexById,{}),c=r.reduce(indexById,{}),d=u.slice(),h=Object.create(null);for(a=0,s=0;a<u.length;a++)t=u[a],c.hasOwnProperty(t)?s++:(o.push({command:operations.removeLayer,args:[t]}),d.splice(d.indexOf(t,s),1));for(a=0,s=0;a<l.length;a++)t=l[l.length-1-a],d[d.length-1-a]!==t&&(y.hasOwnProperty(t)?(o.push({command:operations.removeLayer,args:[t]}),d.splice(d.lastIndexOf(t,d.length-s),1)):s++,p=d[d.length-a],o.push({command:operations.addLayer,args:[c[t],p]}),d.splice(d.length-a,0,t),h[t]=!0);for(a=0;a<l.length;a++)if(t=l[a],n=y[t],i=c[t],!h[t]&&!isEqual(n,i))if(isEqual(n.source,i.source)&&isEqual(n[\"source-layer\"],i[\"source-layer\"])&&isEqual(n.type,i.type)){diffLayerPropertyChanges(n.layout,i.layout,o,t,null,operations.setLayoutProperty),diffLayerPropertyChanges(n.paint,i.paint,o,t,null,operations.setPaintProperty),isEqual(n.filter,i.filter)||o.push({command:operations.setFilter,args:[t,i.filter]}),isEqual(n.minzoom,i.minzoom)&&isEqual(n.maxzoom,i.maxzoom)||o.push({command:operations.setLayerZoomRange,args:[t,i.minzoom,i.maxzoom]});for(m in n)n.hasOwnProperty(m)&&\"layout\"!==m&&\"paint\"!==m&&\"filter\"!==m&&\"metadata\"!==m&&\"minzoom\"!==m&&\"maxzoom\"!==m&&(0===m.indexOf(\"paint.\")?diffLayerPropertyChanges(n[m],i[m],o,t,m.slice(6),operations.setPaintProperty):isEqual(n[m],i[m])||o.push({command:operations.setLayerProperty,args:[t,m,i[m]]}));for(m in i)i.hasOwnProperty(m)&&!n.hasOwnProperty(m)&&\"layout\"!==m&&\"paint\"!==m&&\"filter\"!==m&&\"metadata\"!==m&&\"minzoom\"!==m&&\"maxzoom\"!==m&&(0===m.indexOf(\"paint.\")?diffLayerPropertyChanges(n[m],i[m],o,t,m.slice(6),operations.setPaintProperty):isEqual(n[m],i[m])||o.push({command:operations.setLayerProperty,args:[t,m,i[m]]}))}else o.push({command:operations.removeLayer,args:[t]}),p=d[d.lastIndexOf(t)+1],o.push({command:operations.addLayer,args:[i,p]})}function diffStyles(e,r){if(!e)return[{command:operations.setStyle,args:[r]}];var o=[];try{if(!isEqual(e.version,r.version))return[{command:operations.setStyle,args:[r]}];isEqual(e.center,r.center)||o.push({command:operations.setCenter,args:[r.center]}),isEqual(e.zoom,r.zoom)||o.push({command:operations.setZoom,args:[r.zoom]}),isEqual(e.bearing,r.bearing)||o.push({command:operations.setBearing,args:[r.bearing]}),isEqual(e.pitch,r.pitch)||o.push({command:operations.setPitch,args:[r.pitch]}),isEqual(e.sprite,r.sprite)||o.push({command:operations.setSprite,args:[r.sprite]}),isEqual(e.glyphs,r.glyphs)||o.push({command:operations.setGlyphs,args:[r.glyphs]}),isEqual(e.transition,r.transition)||o.push({command:operations.setTransition,args:[r.transition]}),isEqual(e.light,r.light)||o.push({command:operations.setLight,args:[r.light]});var a={},s=[];diffSources(e.sources,r.sources,s,a);var t=[];e.layers&&e.layers.forEach(function(e){a[e.source]?o.push({command:operations.removeLayer,args:[e.id]}):t.push(e)}),o=o.concat(s),diffLayers(t,r.layers,o)}catch(e){console.warn(\"Unable to compute style diff:\",e),o=[{command:operations.setStyle,args:[r]}]}return o}var isEqual=_dereq_(\"lodash.isequal\"),operations={setStyle:\"setStyle\",addLayer:\"addLayer\",removeLayer:\"removeLayer\",setPaintProperty:\"setPaintProperty\",setLayoutProperty:\"setLayoutProperty\",setFilter:\"setFilter\",addSource:\"addSource\",removeSource:\"removeSource\",setLayerZoomRange:\"setLayerZoomRange\",setLayerProperty:\"setLayerProperty\",setCenter:\"setCenter\",setZoom:\"setZoom\",setBearing:\"setBearing\",setPitch:\"setPitch\",setSprite:\"setSprite\",setGlyphs:\"setGlyphs\",setTransition:\"setTransition\",setLight:\"setLight\"};module.exports=diffStyles,module.exports.operations=operations;\n},{\"lodash.isequal\":120}],109:[function(_dereq_,module,exports){\n\"use strict\";function ValidationError(r,i){for(var t=[],o=arguments.length-2;o-- >0;)t[o]=arguments[o+2];this.message=(r?r+\": \":\"\")+format.apply(format,t),null!==i&&void 0!==i&&i.__line__&&(this.line=i.__line__)}var format=_dereq_(\"util\").format;module.exports=ValidationError;\n},{\"util\":36}],110:[function(_dereq_,module,exports){\n\"use strict\";function createFilter(e){return new Function(\"f\",\"var p = (f && f.properties || {}); return \"+compile(e))}function compile(e){if(!e)return\"true\";var i=e[0];return e.length<=1?\"any\"===i?\"false\":\"true\":\"(\"+(\"==\"===i?compileComparisonOp(e[1],e[2],\"===\",!1):\"!=\"===i?compileComparisonOp(e[1],e[2],\"!==\",!1):\"<\"===i||\">\"===i||\"<=\"===i||\">=\"===i?compileComparisonOp(e[1],e[2],i,!0):\"any\"===i?compileLogicalOp(e.slice(1),\"||\"):\"all\"===i?compileLogicalOp(e.slice(1),\"&&\"):\"none\"===i?compileNegation(compileLogicalOp(e.slice(1),\"||\")):\"in\"===i?compileInOp(e[1],e.slice(2)):\"!in\"===i?compileNegation(compileInOp(e[1],e.slice(2))):\"has\"===i?compileHasOp(e[1]):\"!has\"===i?compileNegation(compileHasOp(e[1])):\"true\")+\")\"}function compilePropertyReference(e){return\"$type\"===e?\"f.type\":\"$id\"===e?\"f.id\":\"p[\"+JSON.stringify(e)+\"]\"}function compileComparisonOp(e,i,n,o){var r=compilePropertyReference(e),p=\"$type\"===e?types.indexOf(i):JSON.stringify(i);return(o?\"typeof \"+r+\"=== typeof \"+p+\"&&\":\"\")+r+n+p}function compileLogicalOp(e,i){return e.map(compile).join(i)}function compileInOp(e,i){\"$type\"===e&&(i=i.map(function(e){return types.indexOf(e)}));var n=JSON.stringify(i.sort(compare)),o=compilePropertyReference(e);return i.length<=200?n+\".indexOf(\"+o+\") !== -1\":\"function(v, a, i, j) {while (i <= j) { var m = (i + j) >> 1;    if (a[m] === v) return true; if (a[m] > v) j = m - 1; else i = m + 1;}return false; }(\"+o+\", \"+n+\",0,\"+(i.length-1)+\")\"}function compileHasOp(e){return\"$id\"===e?'\"id\" in f':JSON.stringify(e)+\" in p\"}function compileNegation(e){return\"!(\"+e+\")\"}function compare(e,i){return e<i?-1:e>i?1:0}module.exports=createFilter;var types=[\"Unknown\",\"Point\",\"LineString\",\"Polygon\"];\n},{}],111:[function(_dereq_,module,exports){\n\"use strict\";function xyz2lab(r){return r>t3?Math.pow(r,1/3):r/t2+t0}function lab2xyz(r){return r>t1?r*r*r:t2*(r-t0)}function xyz2rgb(r){return 255*(r<=.0031308?12.92*r:1.055*Math.pow(r,1/2.4)-.055)}function rgb2xyz(r){return r/=255,r<=.04045?r/12.92:Math.pow((r+.055)/1.055,2.4)}function rgbToLab(r){var t=rgb2xyz(r[0]),a=rgb2xyz(r[1]),n=rgb2xyz(r[2]),b=xyz2lab((.4124564*t+.3575761*a+.1804375*n)/Xn),o=xyz2lab((.2126729*t+.7151522*a+.072175*n)/Yn);return[116*o-16,500*(b-o),200*(o-xyz2lab((.0193339*t+.119192*a+.9503041*n)/Zn)),r[3]]}function labToRgb(r){var t=(r[0]+16)/116,a=isNaN(r[1])?t:t+r[1]/500,n=isNaN(r[2])?t:t-r[2]/200;return t=Yn*lab2xyz(t),a=Xn*lab2xyz(a),n=Zn*lab2xyz(n),[xyz2rgb(3.2404542*a-1.5371385*t-.4985314*n),xyz2rgb(-.969266*a+1.8760108*t+.041556*n),xyz2rgb(.0556434*a-.2040259*t+1.0572252*n),r[3]]}function rgbToHcl(r){var t=rgbToLab(r),a=t[0],n=t[1],b=t[2],o=Math.atan2(b,n)*rad2deg;return[o<0?o+360:o,Math.sqrt(n*n+b*b),a,r[3]]}function hclToRgb(r){var t=r[0]*deg2rad,a=r[1];return labToRgb([r[2],Math.cos(t)*a,Math.sin(t)*a,r[3]])}var Xn=.95047,Yn=1,Zn=1.08883,t0=4/29,t1=6/29,t2=3*t1*t1,t3=t1*t1*t1,deg2rad=Math.PI/180,rad2deg=180/Math.PI;module.exports={lab:{forward:rgbToLab,reverse:labToRgb},hcl:{forward:rgbToHcl,reverse:hclToRgb}};\n},{}],112:[function(_dereq_,module,exports){\n\"use strict\";function identityFunction(t){return t}function createFunction(t,e){var o,n=\"color\"===e.type;if(isFunctionDefinition(t)){var r=t.stops&&\"object\"==typeof t.stops[0][0],a=r||void 0!==t.property,i=r||!a,s=t.type||(\"interpolated\"===e.function?\"exponential\":\"interval\");n&&(t=extend({},t),t.stops&&(t.stops=t.stops.map(function(t){return[t[0],parseColor(t[1])]})),t.default?t.default=parseColor(t.default):t.default=parseColor(e.default));var u,p,l;if(\"exponential\"===s)u=evaluateExponentialFunction;else if(\"interval\"===s)u=evaluateIntervalFunction;else if(\"categorical\"===s){u=evaluateCategoricalFunction,p=Object.create(null);for(var c=0,f=t.stops;c<f.length;c+=1){var v=f[c];p[v[0]]=v[1]}l=typeof t.stops[0][0]}else{if(\"identity\"!==s)throw new Error('Unknown function type \"'+s+'\"');u=evaluateIdentityFunction}var d;if(t.colorSpace&&\"rgb\"!==t.colorSpace){if(!colorSpaces[t.colorSpace])throw new Error(\"Unknown color space: \"+t.colorSpace);var y=colorSpaces[t.colorSpace];t=JSON.parse(JSON.stringify(t));for(var F=0;F<t.stops.length;F++)t.stops[F]=[t.stops[F][0],y.forward(t.stops[F][1])];d=y.reverse}else d=identityFunction;if(r){for(var h={},g=[],m=0;m<t.stops.length;m++){var C=t.stops[m],S=C[0].zoom;void 0===h[S]&&(h[S]={zoom:S,type:t.type,property:t.property,default:t.default,stops:[]},g.push(S)),h[S].stops.push([C[0].value,C[1]])}for(var T=[],x=0,b=g;x<b.length;x+=1){var q=b[x];T.push([h[q].zoom,createFunction(h[q],e)])}o=function(o,n){return d(evaluateExponentialFunction({stops:T,base:t.base},e,o)(o,n))},o.isFeatureConstant=!1,o.isZoomConstant=!1}else i?(o=function(o){return d(u(t,e,o,p,l))},o.isFeatureConstant=!0,o.isZoomConstant=!1):(o=function(o,n){var r=n[t.property];return void 0===r?coalesce(t.default,e.default):d(u(t,e,r,p,l))},o.isFeatureConstant=!1,o.isZoomConstant=!0)}else n&&t&&(t=parseColor(t)),o=function(){return t},o.isFeatureConstant=!0,o.isZoomConstant=!0;return o}function coalesce(t,e,o){return void 0!==t?t:void 0!==e?e:void 0!==o?o:void 0}function evaluateCategoricalFunction(t,e,o,n,r){return coalesce(typeof o===r?n[o]:void 0,t.default,e.default)}function evaluateIntervalFunction(t,e,o){if(\"number\"!==getType(o))return coalesce(t.default,e.default);var n=t.stops.length;if(1===n)return t.stops[0][1];if(o<=t.stops[0][0])return t.stops[0][1];if(o>=t.stops[n-1][0])return t.stops[n-1][1];var r=findStopLessThanOrEqualTo(t.stops,o);return t.stops[r][1]}function evaluateExponentialFunction(t,e,o){var n=void 0!==t.base?t.base:1;if(\"number\"!==getType(o))return coalesce(t.default,e.default);var r=t.stops.length;if(1===r)return t.stops[0][1];if(o<=t.stops[0][0])return t.stops[0][1];if(o>=t.stops[r-1][0])return t.stops[r-1][1];var a=findStopLessThanOrEqualTo(t.stops,o),i=interpolationFactor(o,n,t.stops[a][0],t.stops[a+1][0]),s=t.stops[a][1],u=t.stops[a+1][1],p=interpolate[e.type]||identityFunction;return\"function\"==typeof s?function(){for(var t=[],e=arguments.length;e--;)t[e]=arguments[e];var o=s.apply(void 0,t),n=u.apply(void 0,t);if(void 0!==o&&void 0!==n)return p(o,n,i)}:p(s,u,i)}function evaluateIdentityFunction(t,e,o){return\"color\"===e.type?o=parseColor(o):getType(o)===e.type||\"enum\"===e.type&&e.values[o]||(o=void 0),coalesce(o,t.default,e.default)}function findStopLessThanOrEqualTo(t,e){for(var o,n,r=t.length,a=0,i=r-1,s=0;a<=i;){if(s=Math.floor((a+i)/2),o=t[s][0],n=t[s+1][0],e===o||e>o&&e<n)return s;o<e?a=s+1:o>e&&(i=s-1)}return Math.max(s-1,0)}function isFunctionDefinition(t){return\"object\"==typeof t&&(t.stops||\"identity\"===t.type)}function interpolationFactor(t,e,o,n){var r=n-o,a=t-o;return 0===r?0:1===e?a/r:(Math.pow(e,a)-1)/(Math.pow(e,r)-1)}var 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t=\"\",e=0,i=refProperties;e<i.length;e+=1){t+=\"/\"+stringify(r[i[e]])}return t}function groupByLayout(r){for(var t={},e=0;e<r.length;e++){var i=getKey(r[e]),n=t[i];n||(n=t[i]=[]),n.push(r[e])}var o=[];for(var f in t)o.push(t[f]);return o}var refProperties=_dereq_(\"./util/ref_properties\");module.exports=groupByLayout;\n},{\"./util/ref_properties\":129}],114:[function(_dereq_,module,exports){\nfunction clamp_css_byte(e){return e=Math.round(e),e<0?0:e>255?255:e}function clamp_css_float(e){return e<0?0:e>1?1:e}function parse_css_int(e){return clamp_css_byte(\"%\"===e[e.length-1]?parseFloat(e)/100*255:parseInt(e))}function parse_css_float(e){return clamp_css_float(\"%\"===e[e.length-1]?parseFloat(e)/100:parseFloat(e))}function css_hue_to_rgb(e,r,l){return l<0?l+=1:l>1&&(l-=1),6*l<1?e+(r-e)*l*6:2*l<1?r:3*l<2?e+(r-e)*(2/3-l)*6:e}function parseCSSColor(e){var r=e.replace(/ /g,\"\").toLowerCase();if(r in kCSSColorTable)return kCSSColorTable[r].slice();if(\"#\"===r[0]){if(4===r.length){var 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kCSSColorTable={transparent:[0,0,0,0],aliceblue:[240,248,255,1],antiquewhite:[250,235,215,1],aqua:[0,255,255,1],aquamarine:[127,255,212,1],azure:[240,255,255,1],beige:[245,245,220,1],bisque:[255,228,196,1],black:[0,0,0,1],blanchedalmond:[255,235,205,1],blue:[0,0,255,1],blueviolet:[138,43,226,1],brown:[165,42,42,1],burlywood:[222,184,135,1],cadetblue:[95,158,160,1],chartreuse:[127,255,0,1],chocolate:[210,105,30,1],coral:[255,127,80,1],cornflowerblue:[100,149,237,1],cornsilk:[255,248,220,1],crimson:[220,20,60,1],cyan:[0,255,255,1],darkblue:[0,0,139,1],darkcyan:[0,139,139,1],darkgoldenrod:[184,134,11,1],darkgray:[169,169,169,1],darkgreen:[0,100,0,1],darkgrey:[169,169,169,1],darkkhaki:[189,183,107,1],darkmagenta:[139,0,139,1],darkolivegreen:[85,107,47,1],darkorange:[255,140,0,1],darkorchid:[153,50,204,1],darkred:[139,0,0,1],darksalmon:[233,150,122,1],darkseagreen:[143,188,143,1],darkslateblue:[72,61,139,1],darkslategray:[47,79,79,1],darkslategrey:[47,79,79,1],darkturquoise:[0,206,209,1],darkviolet:[148,0,211,1],deeppink:[255,20,147,1],deepskyblue:[0,191,255,1],dimgray:[105,105,105,1],dimgrey:[105,105,105,1],dodgerblue:[30,144,255,1],firebrick:[178,34,34,1],floralwhite:[255,250,240,1],forestgreen:[34,139,34,1],fuchsia:[255,0,255,1],gainsboro:[220,220,220,1],ghostwhite:[248,248,255,1],gold:[255,215,0,1],goldenrod:[218,165,32,1],gray:[128,128,128,1],green:[0,128,0,1],greenyellow:[173,255,47,1],grey:[128,128,128,1],honeydew:[240,255,240,1],hotpink:[255,105,180,1],indianred:[205,92,92,1],indigo:[75,0,130,1],ivory:[255,255,240,1],khaki:[240,230,140,1],lavender:[230,230,250,1],lavenderblush:[255,240,245,1],lawngreen:[124,252,0,1],lemonchiffon:[255,250,205,1],lightblue:[173,216,230,1],lightcoral:[240,128,128,1],lightcyan:[224,255,255,1],lightgoldenrodyellow:[250,250,210,1],lightgray:[211,211,211,1],lightgreen:[144,238,144,1],lightgrey:[211,211,211,1],lightpink:[255,182,193,1],lightsalmon:[255,160,122,1],lightseagreen:[32,178,170,1],lightskyblue:[135,206,250,1],lightslategray:[119,136,153,1],lightslategrey:[119,136,153,1],lightsteelblue:[176,196,222,1],lightyellow:[255,255,224,1],lime:[0,255,0,1],limegreen:[50,205,50,1],linen:[250,240,230,1],magenta:[255,0,255,1],maroon:[128,0,0,1],mediumaquamarine:[102,205,170,1],mediumblue:[0,0,205,1],mediumorchid:[186,85,211,1],mediumpurple:[147,112,219,1],mediumseagreen:[60,179,113,1],mediumslateblue:[123,104,238,1],mediumspringgreen:[0,250,154,1],mediumturquoise:[72,209,204,1],mediumvioletred:[199,21,133,1],midnightblue:[25,25,112,1],mintcream:[245,255,250,1],mistyrose:[255,228,225,1],moccasin:[255,228,181,1],navajowhite:[255,222,173,1],navy:[0,0,128,1],oldlace:[253,245,230,1],olive:[128,128,0,1],olivedrab:[107,142,35,1],orange:[255,165,0,1],orangered:[255,69,0,1],orchid:[218,112,214,1],palegoldenrod:[238,232,170,1],palegreen:[152,251,152,1],paleturquoise:[175,238,238,1],palevioletred:[219,112,147,1],papayawhip:[255,239,213,1],peachpuff:[255,218,185,1],peru:[205,133,63,1],pink:[255,192,203,1],plum:[221,160,221,1],powderblue:[176,224,230,1],purple:[128,0,128,1],rebeccapurple:[102,51,153,1],red:[255,0,0,1],rosybrown:[188,143,143,1],royalblue:[65,105,225,1],saddlebrown:[139,69,19,1],salmon:[250,128,114,1],sandybrown:[244,164,96,1],seagreen:[46,139,87,1],seashell:[255,245,238,1],sienna:[160,82,45,1],silver:[192,192,192,1],skyblue:[135,206,235,1],slateblue:[106,90,205,1],slategray:[112,128,144,1],slategrey:[112,128,144,1],snow:[255,250,250,1],springgreen:[0,255,127,1],steelblue:[70,130,180,1],tan:[210,180,140,1],teal:[0,128,128,1],thistle:[216,191,216,1],tomato:[255,99,71,1],turquoise:[64,224,208,1],violet:[238,130,238,1],wheat:[245,222,179,1],white:[255,255,255,1],whitesmoke:[245,245,245,1],yellow:[255,255,0,1],yellowgreen:[154,205,50,1]};try{exports.parseCSSColor=parseCSSColor}catch(e){}\n},{}],115:[function(_dereq_,module,exports){\nfunction 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parseColorString=_dereq_(\"csscolorparser\").parseCSSColor;module.exports=function(r){if(\"string\"==typeof r){var e=parseColorString(r);if(!e)return;return[e[0]/255*e[3],e[1]/255*e[3],e[2]/255*e[3],e[3]]}return Array.isArray(r)?r:void 0};\n},{\"csscolorparser\":114}],129:[function(_dereq_,module,exports){\n\"use strict\";module.exports=[\"type\",\"source\",\"source-layer\",\"minzoom\",\"maxzoom\",\"filter\",\"layout\"];\n},{}],130:[function(_dereq_,module,exports){\n\"use strict\";module.exports=function(n){return n instanceof Number||n instanceof String||n instanceof Boolean?n.valueOf():n};\n},{}],131:[function(_dereq_,module,exports){\n\"use strict\";var ValidationError=_dereq_(\"../error/validation_error\"),getType=_dereq_(\"../util/get_type\"),extend=_dereq_(\"../util/extend\");module.exports=function(e){var r=_dereq_(\"./validate_function\"),t=_dereq_(\"./validate_object\"),i={\"*\":function(){return[]},array:_dereq_(\"./validate_array\"),boolean:_dereq_(\"./validate_boolean\"),number:_dereq_(\"./validate_number\"),color:_dereq_(\"./validate_color\"),constants:_dereq_(\"./validate_constants\"),enum:_dereq_(\"./validate_enum\"),filter:_dereq_(\"./validate_filter\"),function:_dereq_(\"./validate_function\"),layer:_dereq_(\"./validate_layer\"),object:_dereq_(\"./validate_object\"),source:_dereq_(\"./validate_source\"),light:_dereq_(\"./validate_light\"),string:_dereq_(\"./validate_string\")},a=e.value,n=e.valueSpec,u=e.key,o=e.styleSpec,l=e.style;if(\"string\"===getType(a)&&\"@\"===a[0]){if(o.$version>7)return[new ValidationError(u,a,\"constants have been deprecated as of v8\")];if(!(a in l.constants))return[new ValidationError(u,a,'constant \"%s\" not found',a)];e=extend({},e,{value:l.constants[a]})}return n.function&&\"object\"===getType(a)?r(e):n.type&&i[n.type]?i[n.type](e):t(extend({},e,{valueSpec:n.type?o[n.type]:n}))};\n},{\"../error/validation_error\":109,\"../util/extend\":125,\"../util/get_type\":126,\"./validate_array\":132,\"./validate_boolean\":133,\"./validate_color\":134,\"./validate_constants\":135,\"./validate_enum\":136,\"./validate_filter\":137,\"./validate_function\":138,\"./validate_layer\":140,\"./validate_light\":142,\"./validate_number\":143,\"./validate_object\":144,\"./validate_source\":147,\"./validate_string\":148}],132:[function(_dereq_,module,exports){\n\"use strict\";var getType=_dereq_(\"../util/get_type\"),validate=_dereq_(\"./validate\"),ValidationError=_dereq_(\"../error/validation_error\");module.exports=function(e){var r=e.value,t=e.valueSpec,a=e.style,n=e.styleSpec,l=e.key,i=e.arrayElementValidator||validate;if(\"array\"!==getType(r))return[new ValidationError(l,r,\"array expected, %s found\",getType(r))];if(t.length&&r.length!==t.length)return[new 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t,a=r.value,n=r.key,l=r.styleSpec,s=[];if(\"array\"!==getType(a))return[new ValidationError(n,a,\"array expected, %s found\",getType(a))];if(a.length<1)return[new ValidationError(n,a,\"filter array must have at least 1 element\")];switch(s=s.concat(validateEnum({key:n+\"[0]\",value:a[0],valueSpec:l.filter_operator,style:r.style,styleSpec:r.styleSpec})),unbundle(a[0])){case\"<\":case\"<=\":case\">\":case\">=\":a.length>=2&&\"$type\"===unbundle(a[1])&&s.push(new ValidationError(n,a,'\"$type\" cannot be use with operator \"%s\"',a[0]));case\"==\":case\"!=\":3!==a.length&&s.push(new ValidationError(n,a,'filter array for operator \"%s\" must have 3 elements',a[0]));case\"in\":case\"!in\":a.length>=2&&\"string\"!==(t=getType(a[1]))&&s.push(new ValidationError(n+\"[1]\",a[1],\"string expected, %s found\",t));for(var o=2;o<a.length;o++)t=getType(a[o]),\"$type\"===unbundle(a[1])?s=s.concat(validateEnum({key:n+\"[\"+o+\"]\",value:a[o],valueSpec:l.geometry_type,style:r.style,styleSpec:r.styleSpec})):\"string\"!==t&&\"number\"!==t&&\"boolean\"!==t&&s.push(new ValidationError(n+\"[\"+o+\"]\",a[o],\"string, number, or boolean expected, %s found\",t));break;case\"any\":case\"all\":case\"none\":for(var i=1;i<a.length;i++)s=s.concat(e({key:n+\"[\"+i+\"]\",value:a[i],style:r.style,styleSpec:r.styleSpec}));break;case\"has\":case\"!has\":t=getType(a[1]),2!==a.length?s.push(new ValidationError(n,a,'filter array for \"%s\" operator must have 2 elements',a[0])):\"string\"!==t&&s.push(new ValidationError(n+\"[1]\",a[1],\"string expected, %s found\",t))}return s};\n},{\"../error/validation_error\":109,\"../util/get_type\":126,\"../util/unbundle_jsonlint\":130,\"./validate_enum\":136}],138:[function(_dereq_,module,exports){\n\"use strict\";var ValidationError=_dereq_(\"../error/validation_error\"),getType=_dereq_(\"../util/get_type\"),validate=_dereq_(\"./validate\"),validateObject=_dereq_(\"./validate_object\"),validateArray=_dereq_(\"./validate_array\"),validateNumber=_dereq_(\"./validate_number\"),unbundle=_dereq_(\"../util/unbundle_jsonlint\");module.exports=function(e){function t(e){if(\"identity\"===p)return[new ValidationError(e.key,e.value,'identity function may not have a \"stops\" property')];var t=[],a=e.value;return t=t.concat(validateArray({key:e.key,value:a,valueSpec:e.valueSpec,style:e.style,styleSpec:e.styleSpec,arrayElementValidator:r})),\"array\"===getType(a)&&0===a.length&&t.push(new ValidationError(e.key,a,\"array must have at least one stop\")),t}function r(e){var t=[],r=e.value,o=e.key;if(\"array\"!==getType(r))return[new ValidationError(o,r,\"array expected, %s found\",getType(r))];if(2!==r.length)return[new ValidationError(o,r,\"array length %d expected, length %d found\",2,r.length)];if(c){if(\"object\"!==getType(r[0]))return[new ValidationError(o,r,\"object expected, %s found\",getType(r[0]))];if(void 0===r[0].zoom)return[new ValidationError(o,r,\"object stop key must have zoom\")];if(void 0===r[0].value)return[new ValidationError(o,r,\"object stop key must have value\")];if(l&&l>unbundle(r[0].zoom))return[new ValidationError(o,r[0].zoom,\"stop zoom values must appear in ascending order\")];unbundle(r[0].zoom)!==l&&(l=unbundle(r[0].zoom),i=void 0,s={}),t=t.concat(validateObject({key:o+\"[0]\",value:r[0],valueSpec:{zoom:{}},style:e.style,styleSpec:e.styleSpec,objectElementValidators:{zoom:validateNumber,value:a}}))}else t=t.concat(a({key:o+\"[0]\",value:r[0],valueSpec:{},style:e.style,styleSpec:e.styleSpec}));return t.concat(validate({key:o+\"[1]\",value:r[1],valueSpec:u,style:e.style,styleSpec:e.styleSpec}))}function a(e){var t=getType(e.value),r=unbundle(e.value);if(n){if(t!==n)return[new ValidationError(e.key,e.value,\"%s stop domain type must match previous stop domain type %s\",t,n)]}else n=t;if(\"number\"!==t&&\"string\"!==t&&\"boolean\"!==t)return[new ValidationError(e.key,e.value,\"stop domain value must be a number, string, or boolean\")];if(\"number\"!==t&&\"categorical\"!==p){var a=\"number expected, %s found\";return u[\"property-function\"]&&void 0===p&&(a+='\\nIf you intended to use a categorical function, specify `\"type\": \"categorical\"`.'),[new ValidationError(e.key,e.value,a,t)]}return\"categorical\"!==p||\"number\"!==t||isFinite(r)&&Math.floor(r)===r?\"categorical\"!==p&&\"number\"===t&&void 0!==i&&r<i?[new ValidationError(e.key,e.value,\"stop domain values must appear in ascending order\")]:(i=r,\"categorical\"===p&&r in s?[new ValidationError(e.key,e.value,\"stop domain values must be unique\")]:(s[r]=!0,[])):[new ValidationError(e.key,e.value,\"integer expected, found %s\",r)]}function o(e){return validate({key:e.key,value:e.value,valueSpec:u,style:e.style,styleSpec:e.styleSpec})}var n,i,l,u=e.valueSpec,p=unbundle(e.value.type),s={},y=\"categorical\"!==p&&void 0===e.value.property,d=!y,c=\"array\"===getType(e.value.stops)&&\"array\"===getType(e.value.stops[0])&&\"object\"===getType(e.value.stops[0][0]),v=validateObject({key:e.key,value:e.value,valueSpec:e.styleSpec.function,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{stops:t,default:o}});return\"identity\"===p&&y&&v.push(new ValidationError(e.key,e.value,'missing required property \"property\"')),\"identity\"===p||e.value.stops||v.push(new ValidationError(e.key,e.value,'missing required property \"stops\"')),\"exponential\"===p&&\"piecewise-constant\"===e.valueSpec.function&&v.push(new ValidationError(e.key,e.value,\"exponential functions not supported\")),e.styleSpec.$version>=8&&(d&&!e.valueSpec[\"property-function\"]?v.push(new ValidationError(e.key,e.value,\"property functions not supported\")):y&&!e.valueSpec[\"zoom-function\"]&&v.push(new ValidationError(e.key,e.value,\"zoom functions not supported\"))),\"categorical\"!==p&&!c||void 0!==e.value.property||v.push(new ValidationError(e.key,e.value,'\"property\" property is required')),v};\n},{\"../error/validation_error\":109,\"../util/get_type\":126,\"../util/unbundle_jsonlint\":130,\"./validate\":131,\"./validate_array\":132,\"./validate_number\":143,\"./validate_object\":144}],139:[function(_dereq_,module,exports){\n\"use strict\";var ValidationError=_dereq_(\"../error/validation_error\"),validateString=_dereq_(\"./validate_string\");module.exports=function(r){var e=r.value,t=r.key,a=validateString(r);return a.length?a:(-1===e.indexOf(\"{fontstack}\")&&a.push(new ValidationError(t,e,'\"glyphs\" url must include a \"{fontstack}\" token')),-1===e.indexOf(\"{range}\")&&a.push(new ValidationError(t,e,'\"glyphs\" url must include a \"{range}\" token')),a)};\n},{\"../error/validation_error\":109,\"./validate_string\":148}],140:[function(_dereq_,module,exports){\n\"use strict\";var ValidationError=_dereq_(\"../error/validation_error\"),unbundle=_dereq_(\"../util/unbundle_jsonlint\"),validateObject=_dereq_(\"./validate_object\"),validateFilter=_dereq_(\"./validate_filter\"),validatePaintProperty=_dereq_(\"./validate_paint_property\"),validateLayoutProperty=_dereq_(\"./validate_layout_property\"),extend=_dereq_(\"../util/extend\");module.exports=function(e){var r=[],t=e.value,a=e.key,i=e.style,l=e.styleSpec;t.type||t.ref||r.push(new ValidationError(a,t,'either \"type\" or \"ref\" is required'));var u=unbundle(t.type),n=unbundle(t.ref);if(t.id)for(var o=unbundle(t.id),s=0;s<e.arrayIndex;s++){var d=i.layers[s];unbundle(d.id)===o&&r.push(new ValidationError(a,t.id,'duplicate layer id \"%s\", previously used at line %d',t.id,d.id.__line__))}if(\"ref\"in t){[\"type\",\"source\",\"source-layer\",\"filter\",\"layout\"].forEach(function(e){e in t&&r.push(new ValidationError(a,t[e],'\"%s\" is prohibited for ref layers',e))});var y;i.layers.forEach(function(e){unbundle(e.id)===n&&(y=e)}),y?y.ref?r.push(new ValidationError(a,t.ref,\"ref cannot reference another ref layer\")):u=unbundle(y.type):r.push(new ValidationError(a,t.ref,'ref layer \"%s\" not found',n))}else if(\"background\"!==u)if(t.source){var c=i.sources&&i.sources[t.source],p=c&&unbundle(c.type);c?\"vector\"===p&&\"raster\"===u?r.push(new ValidationError(a,t.source,'layer \"%s\" requires a raster source',t.id)):\"raster\"===p&&\"raster\"!==u?r.push(new ValidationError(a,t.source,'layer \"%s\" requires a vector source',t.id)):\"vector\"!==p||t[\"source-layer\"]||r.push(new ValidationError(a,t,'layer \"%s\" must specify a \"source-layer\"',t.id)):r.push(new ValidationError(a,t.source,'source \"%s\" not found',t.source))}else r.push(new ValidationError(a,t,'missing required property \"source\"'));return r=r.concat(validateObject({key:a,value:t,valueSpec:l.layer,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{\"*\":function(){return[]},filter:validateFilter,layout:function(e){return validateObject({layer:t,key:e.key,value:e.value,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{\"*\":function(e){return validateLayoutProperty(extend({layerType:u},e))}}})},paint:function(e){return validateObject({layer:t,key:e.key,value:e.value,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{\"*\":function(e){return validatePaintProperty(extend({layerType:u},e))}}})}}}))};\n},{\"../error/validation_error\":109,\"../util/extend\":125,\"../util/unbundle_jsonlint\":130,\"./validate_filter\":137,\"./validate_layout_property\":141,\"./validate_object\":144,\"./validate_paint_property\":145}],141:[function(_dereq_,module,exports){\n\"use strict\";var validateProperty=_dereq_(\"./validate_property\");module.exports=function(r){return validateProperty(r,\"layout\")};\n},{\"./validate_property\":146}],142:[function(_dereq_,module,exports){\n\"use strict\";var ValidationError=_dereq_(\"../error/validation_error\"),getType=_dereq_(\"../util/get_type\"),validate=_dereq_(\"./validate\");module.exports=function(e){var t=e.value,r=e.styleSpec,a=r.light,i=e.style,n=[],o=getType(t);if(void 0===t)return n;if(\"object\"!==o)return n=n.concat([new ValidationError(\"light\",t,\"object expected, %s found\",o)]);for(var l in t){var c=l.match(/^(.*)-transition$/);n=c&&a[c[1]]&&a[c[1]].transition?n.concat(validate({key:l,value:t[l],valueSpec:r.transition,style:i,styleSpec:r})):a[l]?n.concat(validate({key:l,value:t[l],valueSpec:a[l],style:i,styleSpec:r})):n.concat([new ValidationError(l,t[l],'unknown property \"%s\"',l)])}return n};\n},{\"../error/validation_error\":109,\"../util/get_type\":126,\"./validate\":131}],143:[function(_dereq_,module,exports){\n\"use strict\";var getType=_dereq_(\"../util/get_type\"),ValidationError=_dereq_(\"../error/validation_error\");module.exports=function(e){var r=e.key,i=e.value,m=e.valueSpec,a=getType(i);return\"number\"!==a?[new ValidationError(r,i,\"number expected, %s found\",a)]:\"minimum\"in m&&i<m.minimum?[new ValidationError(r,i,\"%s is less than the minimum value %s\",i,m.minimum)]:\"maximum\"in m&&i>m.maximum?[new ValidationError(r,i,\"%s is greater than the maximum value %s\",i,m.maximum)]:[]};\n},{\"../error/validation_error\":109,\"../util/get_type\":126}],144:[function(_dereq_,module,exports){\n\"use strict\";var ValidationError=_dereq_(\"../error/validation_error\"),getType=_dereq_(\"../util/get_type\"),validateSpec=_dereq_(\"./validate\");module.exports=function(e){var r=e.key,t=e.value,i=e.valueSpec||{},a=e.objectElementValidators||{},o=e.style,l=e.styleSpec,n=[],u=getType(t);if(\"object\"!==u)return[new ValidationError(r,t,\"object expected, %s found\",u)];for(var d in t){var p=d.split(\".\")[0],s=i[p]||i[\"*\"],c=void 0;if(a[p])c=a[p];else if(i[p])c=validateSpec;else if(a[\"*\"])c=a[\"*\"];else{if(!i[\"*\"]){n.push(new ValidationError(r,t[d],'unknown property \"%s\"',d));continue}c=validateSpec}n=n.concat(c({key:(r?r+\".\":r)+d,value:t[d],valueSpec:s,style:o,styleSpec:l,object:t,objectKey:d}))}for(var v in i)i[v].required&&void 0===i[v].default&&void 0===t[v]&&n.push(new ValidationError(r,t,'missing required property \"%s\"',v));return n};\n},{\"../error/validation_error\":109,\"../util/get_type\":126,\"./validate\":131}],145:[function(_dereq_,module,exports){\n\"use strict\";var validateProperty=_dereq_(\"./validate_property\");module.exports=function(r){return validateProperty(r,\"paint\")};\n},{\"./validate_property\":146}],146:[function(_dereq_,module,exports){\n\"use strict\";var validate=_dereq_(\"./validate\"),ValidationError=_dereq_(\"../error/validation_error\"),getType=_dereq_(\"../util/get_type\");module.exports=function(e,t){var r=e.key,i=e.style,a=e.styleSpec,n=e.value,o=e.objectKey,l=a[t+\"_\"+e.layerType];if(!l)return[];var y=o.match(/^(.*)-transition$/);if(\"paint\"===t&&y&&l[y[1]]&&l[y[1]].transition)return validate({key:r,value:n,valueSpec:a.transition,style:i,styleSpec:a});var p=e.valueSpec||l[o];if(!p)return[new ValidationError(r,n,'unknown property \"%s\"',o)];var s;if(\"string\"===getType(n)&&p[\"property-function\"]&&!p.tokens&&(s=/^{([^}]+)}$/.exec(n)))return[new ValidationError(r,n,'\"%s\" does not support interpolation syntax\\nUse an identity property function instead: `{ \"type\": \"identity\", \"property\": %s` }`.',o,JSON.stringify(s[1]))];var u=[];return\"symbol\"===e.layerType&&\"text-field\"===o&&i&&!i.glyphs&&u.push(new ValidationError(r,n,'use of \"text-field\" requires a style \"glyphs\" property')),u.concat(validate({key:e.key,value:n,valueSpec:p,style:i,styleSpec:a}))};\n},{\"../error/validation_error\":109,\"../util/get_type\":126,\"./validate\":131}],147:[function(_dereq_,module,exports){\n\"use strict\";var ValidationError=_dereq_(\"../error/validation_error\"),unbundle=_dereq_(\"../util/unbundle_jsonlint\"),validateObject=_dereq_(\"./validate_object\"),validateEnum=_dereq_(\"./validate_enum\");module.exports=function(e){var a=e.value,t=e.key,r=e.styleSpec,l=e.style;if(!a.type)return[new ValidationError(t,a,'\"type\" is required')];var u=unbundle(a.type),i=[];switch(u){case\"vector\":case\"raster\":if(i=i.concat(validateObject({key:t,value:a,valueSpec:r.source_tile,style:e.style,styleSpec:r})),\"url\"in a)for(var s in a)[\"type\",\"url\",\"tileSize\"].indexOf(s)<0&&i.push(new ValidationError(t+\".\"+s,a[s],'a source with a \"url\" property may not include a \"%s\" property',s));return i;case\"geojson\":return validateObject({key:t,value:a,valueSpec:r.source_geojson,style:l,styleSpec:r});case\"video\":return validateObject({key:t,value:a,valueSpec:r.source_video,style:l,styleSpec:r});case\"image\":return validateObject({key:t,value:a,valueSpec:r.source_image,style:l,styleSpec:r});case\"canvas\":return validateObject({key:t,value:a,valueSpec:r.source_canvas,style:l,styleSpec:r});default:return validateEnum({key:t+\".type\",value:a.type,valueSpec:{values:[\"vector\",\"raster\",\"geojson\",\"video\",\"image\",\"canvas\"]},style:l,styleSpec:r})}};\n},{\"../error/validation_error\":109,\"../util/unbundle_jsonlint\":130,\"./validate_enum\":136,\"./validate_object\":144}],148:[function(_dereq_,module,exports){\n\"use strict\";var getType=_dereq_(\"../util/get_type\"),ValidationError=_dereq_(\"../error/validation_error\");module.exports=function(r){var e=r.value,t=r.key,i=getType(e);return\"string\"!==i?[new ValidationError(t,e,\"string expected, %s found\",i)]:[]};\n},{\"../error/validation_error\":109,\"../util/get_type\":126}],149:[function(_dereq_,module,exports){\n\"use strict\";function validateStyleMin(e,a){a=a||latestStyleSpec;var t=[];return t=t.concat(validate({key:\"\",value:e,valueSpec:a.$root,styleSpec:a,style:e,objectElementValidators:{glyphs:validateGlyphsURL,\"*\":function(){return[]}}})),a.$version>7&&e.constants&&(t=t.concat(validateConstants({key:\"constants\",value:e.constants,style:e,styleSpec:a}))),sortErrors(t)}function sortErrors(e){return[].concat(e).sort(function(e,a){return e.line-a.line})}function wrapCleanErrors(e){return function(){return sortErrors(e.apply(this,arguments))}}var validateConstants=_dereq_(\"./validate/validate_constants\"),validate=_dereq_(\"./validate/validate\"),latestStyleSpec=_dereq_(\"./reference/latest\"),validateGlyphsURL=_dereq_(\"./validate/validate_glyphs_url\");validateStyleMin.source=wrapCleanErrors(_dereq_(\"./validate/validate_source\")),validateStyleMin.light=wrapCleanErrors(_dereq_(\"./validate/validate_light\")),validateStyleMin.layer=wrapCleanErrors(_dereq_(\"./validate/validate_layer\")),validateStyleMin.filter=wrapCleanErrors(_dereq_(\"./validate/validate_filter\")),validateStyleMin.paintProperty=wrapCleanErrors(_dereq_(\"./validate/validate_paint_property\")),validateStyleMin.layoutProperty=wrapCleanErrors(_dereq_(\"./validate/validate_layout_property\")),module.exports=validateStyleMin;\n},{\"./reference/latest\":123,\"./validate/validate\":131,\"./validate/validate_constants\":135,\"./validate/validate_filter\":137,\"./validate/validate_glyphs_url\":139,\"./validate/validate_layer\":140,\"./validate/validate_layout_property\":141,\"./validate/validate_light\":142,\"./validate/validate_paint_property\":145,\"./validate/validate_source\":147}],150:[function(_dereq_,module,exports){\n\"use strict\";var AnimationLoop=function(){this.n=0,this.times=[]};AnimationLoop.prototype.stopped=function(){return this.times=this.times.filter(function(t){return t.time>=(new Date).getTime()}),!this.times.length},AnimationLoop.prototype.set=function(t){return this.times.push({id:this.n,time:t+(new Date).getTime()}),this.n++},AnimationLoop.prototype.cancel=function(t){this.times=this.times.filter(function(i){return i.id!==t})},module.exports=AnimationLoop;\n},{}],151:[function(_dereq_,module,exports){\n\"use strict\";var styleSpec=_dereq_(\"../style-spec/reference/latest\"),util=_dereq_(\"../util/util\"),Evented=_dereq_(\"../util/evented\"),validateStyle=_dereq_(\"./validate_style\"),StyleDeclaration=_dereq_(\"./style_declaration\"),StyleTransition=_dereq_(\"./style_transition\"),TRANSITION_SUFFIX=\"-transition\",properties=[\"anchor\",\"color\",\"position\",\"intensity\"],specifications=styleSpec.light,Light=function(t){function i(i){t.call(this),this.set(i)}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.set=function(t){var i=this;if(!this._validate(validateStyle.light,t)){this._declarations={},this._transitions={},this._transitionOptions={},this.calculated={},t=util.extend({anchor:specifications.anchor.default,color:specifications.color.default,position:specifications.position.default,intensity:specifications.intensity.default},t);for(var e=0,o=properties;e<o.length;e+=1){var n=o[e];i._declarations[n]=new StyleDeclaration(specifications[n],t[n])}return this}},i.prototype.getLight=function(){return{anchor:this.getLightProperty(\"anchor\"),color:this.getLightProperty(\"color\"),position:this.getLightProperty(\"position\"),intensity:this.getLightProperty(\"intensity\")}},i.prototype.getLightProperty=function(t){return util.endsWith(t,TRANSITION_SUFFIX)?this._transitionOptions[t]:this._declarations[t]&&this._declarations[t].value},i.prototype.getLightValue=function(t,i){if(\"position\"===t){var e=this._transitions[t].calculate(i),o=util.sphericalToCartesian(e);return{x:o[0],y:o[1],z:o[2]}}return this._transitions[t].calculate(i)},i.prototype.setLight=function(t){var i=this;if(!this._validate(validateStyle.light,t))for(var e in t){var o=t[e];util.endsWith(e,TRANSITION_SUFFIX)?i._transitionOptions[e]=o:null===o||void 0===o?delete i._declarations[e]:i._declarations[e]=new StyleDeclaration(specifications[e],o)}},i.prototype.recalculate=function(t){var i=this;for(var e in i._declarations)i.calculated[e]=i.getLightValue(e,{zoom:t})},i.prototype._applyLightDeclaration=function(t,i,e,o,n){var r=e.transition?this._transitions[t]:void 0,a=specifications[t];if(null!==i&&void 0!==i||(i=new StyleDeclaration(a,a.default)),!r||r.declaration.json!==i.json){var s=util.extend({duration:300,delay:0},o,this.getLightProperty(t+TRANSITION_SUFFIX)),l=this._transitions[t]=new StyleTransition(a,i,r,s);l.instant()||(l.loopID=n.set(l.endTime-Date.now())),r&&n.cancel(r.loopID)}},i.prototype.updateLightTransitions=function(t,i,e){var o,n=this;for(o in n._declarations)n._applyLightDeclaration(o,n._declarations[o],t,i,e)},i.prototype._validate=function(t,i){return validateStyle.emitErrors(this,t.call(validateStyle,util.extend({value:i,style:{glyphs:!0,sprite:!0},styleSpec:styleSpec})))},i}(Evented);module.exports=Light;\n},{\"../style-spec/reference/latest\":123,\"../util/evented\":210,\"../util/util\":223,\"./style_declaration\":157,\"./style_transition\":165,\"./validate_style\":166}],152:[function(_dereq_,module,exports){\n\"use strict\";var ref=_dereq_(\"../util/mapbox\"),normalizeGlyphsURL=ref.normalizeGlyphsURL,ajax=_dereq_(\"../util/ajax\"),parseGlyphPBF=_dereq_(\"./parse_glyph_pbf\");module.exports=function(e,r,a,l,p){var i=256*r,s=i+255,t=l(normalizeGlyphsURL(a).replace(\"{fontstack}\",e).replace(\"{range}\",i+\"-\"+s),ajax.ResourceType.Glyphs);ajax.getArrayBuffer(t,function(e,r){if(e)p(e);else if(r){for(var a={},l=0,i=parseGlyphPBF(r.data);l<i.length;l+=1){var s=i[l];a[s.id]=s}p(null,a)}})};\n},{\"../util/ajax\":201,\"../util/mapbox\":217,\"./parse_glyph_pbf\":154}],153:[function(_dereq_,module,exports){\n\"use strict\";var ajax=_dereq_(\"../util/ajax\"),browser=_dereq_(\"../util/browser\"),ref=_dereq_(\"../util/mapbox\"),normalizeSpriteURL=ref.normalizeSpriteURL,ref$1=_dereq_(\"../util/image\"),RGBAImage=ref$1.RGBAImage;module.exports=function(e,r,i){function a(){if(u)i(u);else if(t&&o){var e=browser.getImageData(o),r={};for(var a in t){var n=t[a],l=n.width,g=n.height,x=n.x,f=n.y,m=n.sdf,p=n.pixelRatio,s=RGBAImage.create({width:l,height:g});RGBAImage.copy(e,s,{x:x,y:f},{x:0,y:0},{width:l,height:g}),r[a]={data:s,pixelRatio:p,sdf:m}}i(null,r)}}if(!e)return void i(null,{});var t,o,u,n=browser.devicePixelRatio>1?\"@2x\":\"\";ajax.getJSON(r(normalizeSpriteURL(e,n,\".json\"),ajax.ResourceType.SpriteJSON),function(e,r){u||(u=e,t=r,a())}),ajax.getImage(r(normalizeSpriteURL(e,n,\".png\"),ajax.ResourceType.SpriteImage),function(e,r){u||(u=e,o=r,a())})};\n},{\"../util/ajax\":201,\"../util/browser\":202,\"../util/image\":213,\"../util/mapbox\":217}],154:[function(_dereq_,module,exports){\n\"use strict\";function readFontstacks(e,a,r){1===e&&r.readMessage(readFontstack,a)}function readFontstack(e,a,r){if(3===e){var t=r.readMessage(readGlyph,{}),d=t.id,i=t.bitmap,n=t.width,o=t.height,h=t.left,s=t.top,p=t.advance;a.push({id:d,bitmap:AlphaImage.create({width:n+2*border,height:o+2*border},i),metrics:{width:n,height:o,left:h,top:s,advance:p}})}}function readGlyph(e,a,r){1===e?a.id=r.readVarint():2===e?a.bitmap=r.readBytes():3===e?a.width=r.readVarint():4===e?a.height=r.readVarint():5===e?a.left=r.readSVarint():6===e?a.top=r.readSVarint():7===e&&(a.advance=r.readVarint())}var ref=_dereq_(\"../util/image\"),AlphaImage=ref.AlphaImage,Protobuf=_dereq_(\"pbf\"),border=3;module.exports=function(e){return new Protobuf(e).readFields(readFontstacks,[])},module.exports.GLYPH_PBF_BORDER=border;\n},{\"../util/image\":213,\"pbf\":29}],155:[function(_dereq_,module,exports){\n\"use strict\";function getMaximumPaintValue(t,a,e){return a.isPaintValueFeatureConstant(t)?a.paint[t]:e.programConfigurations.get(a.id).paintPropertyStatistics[t].max}function translateDistance(t){return Math.sqrt(t[0]*t[0]+t[1]*t[1])}function translate(t,a,e,n,r){if(!a[0]&&!a[1])return t;var i=Point.convert(a);\"viewport\"===e&&i._rotate(-n);for(var u=[],s=0;s<t.length;s++){for(var o=t[s],l=[],m=0;m<o.length;m++)l.push(o[m].sub(i._mult(r)));u.push(l)}return u}var Point=_dereq_(\"@mapbox/point-geometry\");module.exports={getMaximumPaintValue:getMaximumPaintValue,translateDistance:translateDistance,translate:translate};\n},{\"@mapbox/point-geometry\":2}],156:[function(_dereq_,module,exports){\n\"use strict\";var Evented=_dereq_(\"../util/evented\"),StyleLayer=_dereq_(\"./style_layer\"),loadSprite=_dereq_(\"./load_sprite\"),ImageManager=_dereq_(\"../render/image_manager\"),GlyphManager=_dereq_(\"../render/glyph_manager\"),Light=_dereq_(\"./light\"),LineAtlas=_dereq_(\"../render/line_atlas\"),util=_dereq_(\"../util/util\"),ajax=_dereq_(\"../util/ajax\"),mapbox=_dereq_(\"../util/mapbox\"),browser=_dereq_(\"../util/browser\"),Dispatcher=_dereq_(\"../util/dispatcher\"),AnimationLoop=_dereq_(\"./animation_loop\"),validateStyle=_dereq_(\"./validate_style\"),getSourceType=_dereq_(\"../source/source\").getType,setSourceType=_dereq_(\"../source/source\").setType,QueryFeatures=_dereq_(\"../source/query_features\"),SourceCache=_dereq_(\"../source/source_cache\"),styleSpec=_dereq_(\"../style-spec/reference/latest\"),MapboxGLFunction=_dereq_(\"../style-spec/function\"),getWorkerPool=_dereq_(\"../util/global_worker_pool\"),deref=_dereq_(\"../style-spec/deref\"),diff=_dereq_(\"../style-spec/diff\"),rtlTextPlugin=_dereq_(\"../source/rtl_text_plugin\"),supportedDiffOperations=util.pick(diff.operations,[\"addLayer\",\"removeLayer\",\"setPaintProperty\",\"setLayoutProperty\",\"setFilter\",\"addSource\",\"removeSource\",\"setLayerZoomRange\",\"setLight\",\"setTransition\"]),ignoredDiffOperations=util.pick(diff.operations,[\"setCenter\",\"setZoom\",\"setBearing\",\"setPitch\"]),Style=function(e){function t(t,r,a){var i=this;e.call(this),a=util.extend({validate:\"string\"!=typeof t||!mapbox.isMapboxURL(t)},a);var o=function(e,t){return i.map?i.map._transformRequest(e,t):{url:e}};this.map=r,this.animationLoop=r&&r.animationLoop||new AnimationLoop,this.dispatcher=new Dispatcher(getWorkerPool(),this),this.imageManager=new ImageManager,this.glyphManager=new GlyphManager(o,a.localIdeographFontFamily),this.lineAtlas=new LineAtlas(256,512),this._layers={},this._order=[],this.sourceCaches={},this.zoomHistory={},this._loaded=!1,util.bindAll([\"_redoPlacement\"],this),this._resetUpdates(),this.setEventedParent(r),this.fire(\"dataloading\",{dataType:\"style\"});var s=this;this._rtlTextPluginCallback=rtlTextPlugin.registerForPluginAvailability(function(e){s.dispatcher.broadcast(\"loadRTLTextPlugin\",e.pluginBlobURL,e.errorCallback);for(var t in s.sourceCaches)s.sourceCaches[t].reload()});var n=function(e,t){if(e)i.fire(\"error\",{error:e});else if(t){if(a.validate&&validateStyle.emitErrors(i,validateStyle(t)))return;i._loaded=!0,i.stylesheet=t,i.updateClasses();for(var r in t.sources)i.addSource(r,t.sources[r],a);loadSprite(t.sprite,o,function(e,t){if(e)i.fire(\"error\",e);else if(t)for(var r in t)i.imageManager.addImage(r,t[r]);i.imageManager.setLoaded(!0)}),i.glyphManager.setURL(t.glyphs),i._resolve(),i.fire(\"data\",{dataType:\"style\"}),i.fire(\"style.load\")}};\"string\"==typeof t?ajax.getJSON(o(mapbox.normalizeStyleURL(t),ajax.ResourceType.Style),n):browser.frame(function(){return n(null,t)}),this.on(\"data\",function(e){if(\"source\"===e.dataType&&\"metadata\"===e.sourceDataType){var t=i.sourceCaches[e.sourceId];if(t){var r=t.getSource();if(r&&r.vectorLayerIds)for(var a in i._layers){var o=i._layers[a];o.source===r.id&&i._validateLayer(o)}}}})}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype._validateLayer=function(e){var t=this.sourceCaches[e.source];if(t){var r=e.sourceLayer;if(r){var a=t.getSource();(\"geojson\"===a.type||a.vectorLayerIds&&-1===a.vectorLayerIds.indexOf(r))&&this.fire(\"error\",{error:new Error('Source layer \"'+r+'\" does not exist on source \"'+a.id+'\" as specified by style layer \"'+e.id+'\"')})}}},t.prototype.loaded=function(){var e=this;if(!this._loaded)return!1;if(Object.keys(this._updatedSources).length)return!1;for(var t in e.sourceCaches)if(!e.sourceCaches[t].loaded())return!1;return!!this.imageManager.isLoaded()},t.prototype._resolve=function(){var e=this,t=deref(this.stylesheet.layers);this._order=t.map(function(e){return e.id}),this._layers={};for(var r=0,a=t;r<a.length;r+=1){var i=a[r];i=StyleLayer.create(i),i.setEventedParent(e,{layer:{id:i.id}}),e._layers[i.id]=i}this.dispatcher.broadcast(\"setLayers\",this._serializeLayers(this._order)),this.light=new Light(this.stylesheet.light)},t.prototype._serializeLayers=function(e){var t=this;return e.map(function(e){return t._layers[e].serialize()})},t.prototype._applyClasses=function(e,t){var r=this;if(this._loaded){e=e||[],t=t||{transition:!0};var a=this.stylesheet.transition||{},i=this._updatedAllPaintProps?this._layers:this._updatedPaintProps;for(var o in i){var s=r._layers[o],n=r._updatedPaintProps[o];if(r._updatedAllPaintProps||n.all)s.updatePaintTransitions(e,t,a,r.animationLoop,r.zoomHistory);else for(var l in n)r._layers[o].updatePaintTransition(l,e,t,a,r.animationLoop,r.zoomHistory)}this.light.updateLightTransitions(t,a,this.animationLoop)}},t.prototype._recalculate=function(e){var t=this;if(this._loaded){for(var r in t.sourceCaches)t.sourceCaches[r].used=!1;this._updateZoomHistory(e);for(var a=0,i=t._order;a<i.length;a+=1){var o=i[a],s=t._layers[o];s.recalculate(e),!s.isHidden(e)&&s.source&&(t.sourceCaches[s.source].used=!0)}this.light.recalculate(e);Math.floor(this.z)!==Math.floor(e)&&this.animationLoop.set(300),this.z=e}},t.prototype._updateZoomHistory=function(e){var t=this.zoomHistory;void 0===t.lastIntegerZoom&&(t.lastIntegerZoom=Math.floor(e),t.lastIntegerZoomTime=0,t.lastZoom=e),Math.floor(t.lastZoom)<Math.floor(e)?(t.lastIntegerZoom=Math.floor(e),t.lastIntegerZoomTime=Date.now()):Math.floor(t.lastZoom)>Math.floor(e)&&(t.lastIntegerZoom=Math.floor(e+1),t.lastIntegerZoomTime=Date.now()),t.lastZoom=e},t.prototype._checkLoaded=function(){if(!this._loaded)throw new Error(\"Style is not done loading\")},t.prototype.update=function(e,t){var r=this;if(this._changed){var a=Object.keys(this._updatedLayers),i=Object.keys(this._removedLayers);(a.length||i.length||this._updatedSymbolOrder)&&this._updateWorkerLayers(a,i);for(var o in r._updatedSources){var s=r._updatedSources[o];\"reload\"===s?r._reloadSource(o):\"clear\"===s&&r._clearSource(o)}this._applyClasses(e,t),this._resetUpdates(),this.fire(\"data\",{dataType:\"style\"})}},t.prototype._updateWorkerLayers=function(e,t){var r=this,a=this._updatedSymbolOrder?this._order.filter(function(e){return\"symbol\"===r._layers[e].type}):null;this.dispatcher.broadcast(\"updateLayers\",{layers:this._serializeLayers(e),removedIds:t,symbolOrder:a})},t.prototype._resetUpdates=function(){this._changed=!1,this._updatedLayers={},this._removedLayers={},this._updatedSymbolOrder=!1,this._updatedSources={},this._updatedPaintProps={},this._updatedAllPaintProps=!1},t.prototype.setState=function(e){var t=this;if(this._checkLoaded(),validateStyle.emitErrors(this,validateStyle(e)))return!1;e=util.clone(e),e.layers=deref(e.layers);var r=diff(this.serialize(),e).filter(function(e){return!(e.command in ignoredDiffOperations)});if(0===r.length)return!1;var a=r.filter(function(e){return!(e.command in supportedDiffOperations)});if(a.length>0)throw new Error(\"Unimplemented: \"+a.map(function(e){return e.command}).join(\", \")+\".\");return r.forEach(function(e){\"setTransition\"!==e.command&&t[e.command].apply(t,e.args)}),this.stylesheet=e,!0},t.prototype.addImage=function(e,t){if(this.imageManager.getImage(e))return this.fire(\"error\",{error:new Error(\"An image with this name already exists.\")});this.imageManager.addImage(e,t),this.fire(\"data\",{dataType:\"style\"})},t.prototype.removeImage=function(e){if(!this.imageManager.getImage(e))return this.fire(\"error\",{error:new Error(\"No image with this name exists.\")});this.imageManager.removeImage(e),this.fire(\"data\",{dataType:\"style\"})},t.prototype.addSource=function(e,t,r){var a=this;if(this._checkLoaded(),void 0!==this.sourceCaches[e])throw new Error(\"There is already a source with this ID\");if(!t.type)throw new Error(\"The type property must be defined, but the only the following properties were given: \"+Object.keys(t).join(\", \")+\".\");if(!([\"vector\",\"raster\",\"geojson\",\"video\",\"image\",\"canvas\"].indexOf(t.type)>=0&&this._validate(validateStyle.source,\"sources.\"+e,t,null,r))){var i=this.sourceCaches[e]=new SourceCache(e,t,this.dispatcher);i.style=this,i.setEventedParent(this,function(){return{isSourceLoaded:a.loaded(),source:i.serialize(),sourceId:e}}),i.onAdd(this.map),this._changed=!0}},t.prototype.removeSource=function(e){if(this._checkLoaded(),void 0===this.sourceCaches[e])throw new Error(\"There is no source with this ID\");var t=this.sourceCaches[e];delete this.sourceCaches[e],delete this._updatedSources[e],t.fire(\"data\",{sourceDataType:\"metadata\",dataType:\"source\",sourceId:e}),t.setEventedParent(null),t.clearTiles(),t.onRemove&&t.onRemove(this.map),this._changed=!0},t.prototype.getSource=function(e){return this.sourceCaches[e]&&this.sourceCaches[e].getSource()},t.prototype.addLayer=function(e,t,r){this._checkLoaded();var a=e.id;if(\"object\"==typeof e.source&&(this.addSource(a,e.source),e=util.clone(e),e=util.extend(e,{source:a})),!this._validate(validateStyle.layer,\"layers.\"+a,e,{arrayIndex:-1},r)){var i=StyleLayer.create(e);this._validateLayer(i),i.setEventedParent(this,{layer:{id:a}});var o=t?this._order.indexOf(t):this._order.length;if(this._order.splice(o,0,a),this._layers[a]=i,this._removedLayers[a]&&i.source){var s=this._removedLayers[a];delete this._removedLayers[a],s.type!==i.type?this._updatedSources[i.source]=\"clear\":(this._updatedSources[i.source]=\"reload\",this.sourceCaches[i.source].pause())}this._updateLayer(i),\"symbol\"===i.type&&(this._updatedSymbolOrder=!0),this.updateClasses(a)}},t.prototype.moveLayer=function(e,t){this._checkLoaded(),this._changed=!0;var r=this._layers[e];if(!r)return void this.fire(\"error\",{error:new Error(\"The layer '\"+e+\"' does not exist in the map's style and cannot be moved.\")});var a=this._order.indexOf(e);this._order.splice(a,1);var i=t?this._order.indexOf(t):this._order.length;this._order.splice(i,0,e),\"symbol\"===r.type&&(this._updatedSymbolOrder=!0,r.source&&!this._updatedSources[r.source]&&(this._updatedSources[r.source]=\"reload\",this.sourceCaches[r.source].pause()))},t.prototype.removeLayer=function(e){this._checkLoaded();var t=this._layers[e];if(!t)return void this.fire(\"error\",{error:new Error(\"The layer '\"+e+\"' does not exist in the map's style and cannot be removed.\")});t.setEventedParent(null);var r=this._order.indexOf(e);this._order.splice(r,1),\"symbol\"===t.type&&(this._updatedSymbolOrder=!0),this._changed=!0,this._removedLayers[e]=t,delete this._layers[e],delete this._updatedLayers[e],delete this._updatedPaintProps[e]},t.prototype.getLayer=function(e){return this._layers[e]},t.prototype.setLayerZoomRange=function(e,t,r){this._checkLoaded();var a=this.getLayer(e);if(!a)return void this.fire(\"error\",{error:new Error(\"The layer '\"+e+\"' does not exist in the map's style and cannot have zoom extent.\")});a.minzoom===t&&a.maxzoom===r||(null!=t&&(a.minzoom=t),null!=r&&(a.maxzoom=r),this._updateLayer(a))},t.prototype.setFilter=function(e,t){this._checkLoaded();var r=this.getLayer(e);if(!r)return void this.fire(\"error\",{error:new Error(\"The layer '\"+e+\"' does not exist in the map's style and cannot be filtered.\")});null!==t&&void 0!==t&&this._validate(validateStyle.filter,\"layers.\"+r.id+\".filter\",t)||util.deepEqual(r.filter,t)||(r.filter=util.clone(t),this._updateLayer(r))},t.prototype.getFilter=function(e){return util.clone(this.getLayer(e).filter)},t.prototype.setLayoutProperty=function(e,t,r){this._checkLoaded();var a=this.getLayer(e);if(!a)return void this.fire(\"error\",{error:new Error(\"The layer '\"+e+\"' does not exist in the map's style and cannot be styled.\")});util.deepEqual(a.getLayoutProperty(t),r)||(a.setLayoutProperty(t,r),this._updateLayer(a))},t.prototype.getLayoutProperty=function(e,t){return this.getLayer(e).getLayoutProperty(t)},t.prototype.setPaintProperty=function(e,t,r,a){this._checkLoaded();var i=this.getLayer(e);if(!i)return void this.fire(\"error\",{error:new Error(\"The layer '\"+e+\"' does not exist in the map's style and cannot be styled.\")});if(!util.deepEqual(i.getPaintProperty(t,a),r)){var o=i.isPaintValueFeatureConstant(t);i.setPaintProperty(t,r,a);!(r&&MapboxGLFunction.isFunctionDefinition(r)&&\"$zoom\"!==r.property&&void 0!==r.property)&&o||this._updateLayer(i),this.updateClasses(e,t)}},t.prototype.getPaintProperty=function(e,t,r){return this.getLayer(e).getPaintProperty(t,r)},t.prototype.getTransition=function(){return util.extend({duration:300,delay:0},this.stylesheet&&this.stylesheet.transition)},t.prototype.updateClasses=function(e,t){if(this._changed=!0,e){var r=this._updatedPaintProps;r[e]||(r[e]={}),r[e][t||\"all\"]=!0}else this._updatedAllPaintProps=!0},t.prototype.serialize=function(){var e=this;return util.filterObject({version:this.stylesheet.version,name:this.stylesheet.name,metadata:this.stylesheet.metadata,light:this.stylesheet.light,center:this.stylesheet.center,zoom:this.stylesheet.zoom,bearing:this.stylesheet.bearing,pitch:this.stylesheet.pitch,sprite:this.stylesheet.sprite,glyphs:this.stylesheet.glyphs,transition:this.stylesheet.transition,sources:util.mapObject(this.sourceCaches,function(e){return e.serialize()}),layers:this._order.map(function(t){return e._layers[t].serialize()})},function(e){return void 0!==e})},t.prototype._updateLayer=function(e){this._updatedLayers[e.id]=!0,e.source&&!this._updatedSources[e.source]&&(this._updatedSources[e.source]=\"reload\",this.sourceCaches[e.source].pause()),this._changed=!0},t.prototype._flattenRenderedFeatures=function(e){for(var t=this,r=[],a=this._order.length-1;a>=0;a--)for(var i=t._order[a],o=0,s=e;o<s.length;o+=1){var n=s[o],l=n[i];if(l)for(var u=0,d=l;u<d.length;u+=1){var h=d[u];r.push(h)}}return r},t.prototype.queryRenderedFeatures=function(e,t,r,a){var i=this;t&&t.filter&&this._validate(validateStyle.filter,\"queryRenderedFeatures.filter\",t.filter);var o={};if(t&&t.layers){if(!Array.isArray(t.layers))return this.fire(\"error\",{error:\"parameters.layers must be an Array.\"}),[];for(var s=0,n=t.layers;s<n.length;s+=1){var l=n[s],u=i._layers[l];if(!u)return i.fire(\"error\",{error:\"The layer '\"+l+\"' does not exist in the map's style and cannot be queried for features.\"}),[];o[u.source]=!0}}var d=[];for(var h in i.sourceCaches)if(!t.layers||o[h]){var c=QueryFeatures.rendered(i.sourceCaches[h],i._layers,e,t,r,a);d.push(c)}return this._flattenRenderedFeatures(d)},t.prototype.querySourceFeatures=function(e,t){t&&t.filter&&this._validate(validateStyle.filter,\"querySourceFeatures.filter\",t.filter);var r=this.sourceCaches[e];return r?QueryFeatures.source(r,t):[]},t.prototype.addSourceType=function(e,t,r){return getSourceType(e)?r(new Error('A source type called \"'+e+'\" already exists.')):(setSourceType(e,t),t.workerSourceURL?void this.dispatcher.broadcast(\"loadWorkerSource\",{name:e,url:t.workerSourceURL},r):r(null,null))},t.prototype.getLight=function(){return this.light.getLight()},t.prototype.setLight=function(e,t){this._checkLoaded();var r=this.light.getLight(),a=!1;for(var i in e)if(!util.deepEqual(e[i],r[i])){a=!0;break}if(a){var o=this.stylesheet.transition||{};this.light.setLight(e),this.light.updateLightTransitions(t||{transition:!0},o,this.animationLoop)}},t.prototype._validate=function(e,t,r,a,i){return(!i||!1!==i.validate)&&validateStyle.emitErrors(this,e.call(validateStyle,util.extend({key:t,style:this.serialize(),value:r,styleSpec:styleSpec},a)))},t.prototype._remove=function(){var e=this;rtlTextPlugin.evented.off(\"pluginAvailable\",this._rtlTextPluginCallback);for(var t in e.sourceCaches)e.sourceCaches[t].clearTiles();this.dispatcher.remove()},t.prototype._clearSource=function(e){this.sourceCaches[e].clearTiles()},t.prototype._reloadSource=function(e){this.sourceCaches[e].resume(),this.sourceCaches[e].reload()},t.prototype._updateSources=function(e){var t=this;for(var r in t.sourceCaches)t.sourceCaches[r].update(e)},t.prototype._redoPlacement=function(){var e=this;for(var t in e.sourceCaches)e.sourceCaches[t].redoPlacement()},t.prototype.getImages=function(e,t,r){this.imageManager.getImages(t.icons,r)},t.prototype.getGlyphs=function(e,t,r){this.glyphManager.getGlyphs(t.stacks,r)},t}(Evented);module.exports=Style;\n},{\"../render/glyph_manager\":75,\"../render/image_manager\":77,\"../render/line_atlas\":78,\"../source/query_features\":94,\"../source/rtl_text_plugin\":96,\"../source/source\":97,\"../source/source_cache\":98,\"../style-spec/deref\":107,\"../style-spec/diff\":108,\"../style-spec/function\":112,\"../style-spec/reference/latest\":123,\"../util/ajax\":201,\"../util/browser\":202,\"../util/dispatcher\":208,\"../util/evented\":210,\"../util/global_worker_pool\":212,\"../util/mapbox\":217,\"../util/util\":223,\"./animation_loop\":150,\"./light\":151,\"./load_sprite\":153,\"./style_layer\":158,\"./validate_style\":166}],157:[function(_dereq_,module,exports){\n\"use strict\";var createFunction=_dereq_(\"../style-spec/function\"),util=_dereq_(\"../util/util\"),StyleDeclaration=function(t,i){var o=this;if(this.value=util.clone(i),this.isFunction=createFunction.isFunctionDefinition(i),this.json=JSON.stringify(this.value),this.minimum=t.minimum,this.function=createFunction(this.value,t),this.isFeatureConstant=this.function.isFeatureConstant,this.isZoomConstant=this.function.isZoomConstant,this.isFeatureConstant||this.isZoomConstant){if(!this.isZoomConstant){this.stopZoomLevels=[];for(var n=0,s=o.value.stops;n<s.length;n+=1){var e=s[n];o.stopZoomLevels.indexOf(e[0])<0&&o.stopZoomLevels.push(e[0])}}}else{this.stopZoomLevels=[];for(var a=[],u=0,l=o.value.stops;u<l.length;u+=1){var r=l[u],c=r[0].zoom;o.stopZoomLevels.indexOf(c)<0&&(o.stopZoomLevels.push(c),a.push([c,a.length]))}this._functionInterpolationT=createFunction({type:\"exponential\",stops:a,base:i.base},{type:\"number\"})}};StyleDeclaration.prototype.calculate=function(t,i){var o=this.function(t&&t.zoom,i||{});return void 0!==this.minimum&&o<this.minimum?this.minimum:o},StyleDeclaration.prototype.calculateInterpolationT=function(t){return this.isFeatureConstant||this.isZoomConstant?0:this._functionInterpolationT(t&&t.zoom,{})},module.exports=StyleDeclaration;\n},{\"../style-spec/function\":112,\"../util/util\":223}],158:[function(_dereq_,module,exports){\n\"use strict\";function getDeclarationValue(t){return t.value}var util=_dereq_(\"../util/util\"),StyleTransition=_dereq_(\"./style_transition\"),StyleDeclaration=_dereq_(\"./style_declaration\"),styleSpec=_dereq_(\"../style-spec/reference/latest\"),validateStyle=_dereq_(\"./validate_style\"),parseColor=_dereq_(\"./../style-spec/util/parse_color\"),Evented=_dereq_(\"../util/evented\"),TRANSITION_SUFFIX=\"-transition\",StyleLayer=function(t){function i(i){var e=this;t.call(this),this.id=i.id,this.metadata=i.metadata,this.type=i.type,this.minzoom=i.minzoom,this.maxzoom=i.maxzoom,\"background\"!==i.type&&(this.source=i.source,this.sourceLayer=i[\"source-layer\"],this.filter=i.filter),this.paint={},this.layout={},this._paintSpecifications=styleSpec[\"paint_\"+this.type],this._layoutSpecifications=styleSpec[\"layout_\"+this.type],this._paintTransitions={},this._paintTransitionOptions={},this._paintDeclarations={},this._layoutDeclarations={},this._layoutFunctions={};var a,o,n={validate:!1};for(var r in i){var s=r.match(/^paint(?:\\.(.*))?$/);if(s){var l=s[1]||\"\";for(a in i[r])e.setPaintProperty(a,i[r][a],l,n)}}for(o in i.layout)e.setLayoutProperty(o,i.layout[o],n);for(a in e._paintSpecifications)e.paint[a]=e.getPaintValue(a);for(o in e._layoutSpecifications)e._updateLayoutValue(o)}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.setLayoutProperty=function(t,i,e){if(null==i)delete this._layoutDeclarations[t];else{var a=\"layers.\"+this.id+\".layout.\"+t;if(this._validate(validateStyle.layoutProperty,a,t,i,e))return;this._layoutDeclarations[t]=new StyleDeclaration(this._layoutSpecifications[t],i)}this._updateLayoutValue(t)},i.prototype.getLayoutProperty=function(t){return this._layoutDeclarations[t]&&this._layoutDeclarations[t].value},i.prototype.getLayoutValue=function(t,i,e){var a=this._layoutSpecifications[t],o=this._layoutDeclarations[t];return o?o.calculate(i,e):a.default},i.prototype.setPaintProperty=function(t,i,e,a){var o=\"layers.\"+this.id+(e?'[\"paint.'+e+'\"].':\".paint.\")+t;if(util.endsWith(t,TRANSITION_SUFFIX))if(this._paintTransitionOptions[e||\"\"]||(this._paintTransitionOptions[e||\"\"]={}),null===i||void 0===i)delete this._paintTransitionOptions[e||\"\"][t];else{if(this._validate(validateStyle.paintProperty,o,t,i,a))return;this._paintTransitionOptions[e||\"\"][t]=i}else if(this._paintDeclarations[e||\"\"]||(this._paintDeclarations[e||\"\"]={}),null===i||void 0===i)delete this._paintDeclarations[e||\"\"][t];else{if(this._validate(validateStyle.paintProperty,o,t,i,a))return;this._paintDeclarations[e||\"\"][t]=new StyleDeclaration(this._paintSpecifications[t],i)}},i.prototype.getPaintProperty=function(t,i){return i=i||\"\",util.endsWith(t,TRANSITION_SUFFIX)?this._paintTransitionOptions[i]&&this._paintTransitionOptions[i][t]:this._paintDeclarations[i]&&this._paintDeclarations[i][t]&&this._paintDeclarations[i][t].value},i.prototype.getPaintValue=function(t,i,e){var a=this._paintSpecifications[t],o=this._paintTransitions[t];return o?o.calculate(i,e):\"color\"===a.type&&a.default?parseColor(a.default):a.default},i.prototype.getPaintValueStopZoomLevels=function(t){var i=this._paintTransitions[t];return i?i.declaration.stopZoomLevels:[]},i.prototype.getLayoutValueStopZoomLevels=function(t){var i=this._layoutDeclarations[t];return i?i.stopZoomLevels:[]},i.prototype.getPaintInterpolationT=function(t,i){return this._paintTransitions[t].declaration.calculateInterpolationT(i)},i.prototype.getLayoutInterpolationT=function(t,i){return this._layoutDeclarations[t].calculateInterpolationT(i)},i.prototype.isPaintValueFeatureConstant=function(t){var i=this._paintTransitions[t];return!i||i.declaration.isFeatureConstant},i.prototype.isLayoutValueFeatureConstant=function(t){var i=this._layoutDeclarations[t];return!i||i.isFeatureConstant},i.prototype.isPaintValueZoomConstant=function(t){var i=this._paintTransitions[t];return!i||i.declaration.isZoomConstant},i.prototype.isLayoutValueZoomConstant=function(t){var i=this._layoutDeclarations[t];return!i||i.isZoomConstant},i.prototype.isHidden=function(t){return!!(this.minzoom&&t<this.minzoom)||(!!(this.maxzoom&&t>=this.maxzoom)||\"none\"===this.layout.visibility)},i.prototype.updatePaintTransitions=function(t,i,e,a,o){for(var n=this,r=util.extend({},this._paintDeclarations[\"\"]),s=0;s<t.length;s++)util.extend(r,n._paintDeclarations[t[s]]);var l;for(l in r)n._applyPaintDeclaration(l,r[l],i,e,a,o);for(l in n._paintTransitions)l in r||n._applyPaintDeclaration(l,null,i,e,a,o)},i.prototype.updatePaintTransition=function(t,i,e,a,o,n){for(var r=this,s=this._paintDeclarations[\"\"][t],l=0;l<i.length;l++){var u=r._paintDeclarations[i[l]];u&&u[t]&&(s=u[t])}this._applyPaintDeclaration(t,s,e,a,o,n)},i.prototype.recalculate=function(t){var i=this;for(var e in i._paintTransitions)i.paint[e]=i.getPaintValue(e,{zoom:t});for(var a in i._layoutFunctions)i.layout[a]=i.getLayoutValue(a,{zoom:t})},i.prototype.serialize=function(){var t=this,i={id:this.id,type:this.type,source:this.source,\"source-layer\":this.sourceLayer,metadata:this.metadata,minzoom:this.minzoom,maxzoom:this.maxzoom,filter:this.filter,layout:util.mapObject(this._layoutDeclarations,getDeclarationValue)};for(var e in t._paintDeclarations){i[\"\"===e?\"paint\":\"paint.\"+e]=util.mapObject(t._paintDeclarations[e],getDeclarationValue)}return util.filterObject(i,function(t,i){return void 0!==t&&!(\"layout\"===i&&!Object.keys(t).length)})},i.prototype._applyPaintDeclaration=function(t,i,e,a,o,n){var r=e.transition?this._paintTransitions[t]:void 0,s=this._paintSpecifications[t];if(null!==i&&void 0!==i||(i=new StyleDeclaration(s,s.default)),!r||r.declaration.json!==i.json){var l=util.extend({duration:300,delay:0},a,this.getPaintProperty(t+TRANSITION_SUFFIX)),u=this._paintTransitions[t]=new StyleTransition(s,i,r,l,n);u.instant()||(u.loopID=o.set(u.endTime-Date.now())),r&&o.cancel(r.loopID)}},i.prototype._updateLayoutValue=function(t){var i=this._layoutDeclarations[t];i&&i.isFunction?this._layoutFunctions[t]=!0:(delete this._layoutFunctions[t],this.layout[t]=this.getLayoutValue(t))},i.prototype._validate=function(t,i,e,a,o){return(!o||!1!==o.validate)&&validateStyle.emitErrors(this,t.call(validateStyle,{key:i,layerType:this.type,objectKey:e,value:a,styleSpec:styleSpec,style:{glyphs:!0,sprite:!0}}))},i.prototype.has3DPass=function(){return!1},i}(Evented);module.exports=StyleLayer;var subclasses={circle:_dereq_(\"./style_layer/circle_style_layer\"),fill:_dereq_(\"./style_layer/fill_style_layer\"),\"fill-extrusion\":_dereq_(\"./style_layer/fill_extrusion_style_layer\"),line:_dereq_(\"./style_layer/line_style_layer\"),symbol:_dereq_(\"./style_layer/symbol_style_layer\"),background:StyleLayer,raster:StyleLayer};StyleLayer.create=function(t){return new subclasses[t.type](t)};\n},{\"../style-spec/reference/latest\":123,\"../util/evented\":210,\"../util/util\":223,\"./../style-spec/util/parse_color\":128,\"./style_declaration\":157,\"./style_layer/circle_style_layer\":159,\"./style_layer/fill_extrusion_style_layer\":160,\"./style_layer/fill_style_layer\":161,\"./style_layer/line_style_layer\":162,\"./style_layer/symbol_style_layer\":163,\"./style_transition\":165,\"./validate_style\":166}],159:[function(_dereq_,module,exports){\n\"use strict\";var StyleLayer=_dereq_(\"../style_layer\"),CircleBucket=_dereq_(\"../../data/bucket/circle_bucket\"),ref=_dereq_(\"../../util/intersection_tests\"),multiPolygonIntersectsBufferedMultiPoint=ref.multiPolygonIntersectsBufferedMultiPoint,ref$1=_dereq_(\"../query_utils\"),getMaximumPaintValue=ref$1.getMaximumPaintValue,translateDistance=ref$1.translateDistance,translate=ref$1.translate,CircleStyleLayer=function(e){function t(){e.apply(this,arguments)}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.createBucket=function(e){return new CircleBucket(e)},t.prototype.queryRadius=function(e){return getMaximumPaintValue(\"circle-radius\",this,e)+translateDistance(this.paint[\"circle-translate\"])},t.prototype.queryIntersectsFeature=function(e,t,r,i,a,n){var u=translate(e,this.getPaintValue(\"circle-translate\",{zoom:i},t.properties),this.getPaintValue(\"circle-translate-anchor\",{zoom:i},t.properties),a,n),l=this.getPaintValue(\"circle-radius\",{zoom:i},t.properties)*n;return multiPolygonIntersectsBufferedMultiPoint(u,r,l)},t}(StyleLayer);module.exports=CircleStyleLayer;\n},{\"../../data/bucket/circle_bucket\":43,\"../../util/intersection_tests\":214,\"../query_utils\":155,\"../style_layer\":158}],160:[function(_dereq_,module,exports){\n\"use strict\";var StyleLayer=_dereq_(\"../style_layer\"),FillExtrusionBucket=_dereq_(\"../../data/bucket/fill_extrusion_bucket\"),ref=_dereq_(\"../../util/intersection_tests\"),multiPolygonIntersectsMultiPolygon=ref.multiPolygonIntersectsMultiPolygon,ref$1=_dereq_(\"../query_utils\"),translateDistance=ref$1.translateDistance,translate=ref$1.translate,FillExtrusionStyleLayer=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.getPaintValue=function(e,r,i){var o=t.prototype.getPaintValue.call(this,e,r,i);return\"fill-extrusion-color\"===e&&o&&(o[3]=1),o},e.prototype.createBucket=function(t){return new FillExtrusionBucket(t)},e.prototype.queryRadius=function(){return translateDistance(this.paint[\"fill-extrusion-translate\"])},e.prototype.queryIntersectsFeature=function(t,e,r,i,o,n){var l=translate(t,this.getPaintValue(\"fill-extrusion-translate\",{zoom:i},e.properties),this.getPaintValue(\"fill-extrusion-translate-anchor\",{zoom:i},e.properties),o,n);return multiPolygonIntersectsMultiPolygon(l,r)},e.prototype.has3DPass=function(){return 0!==this.paint[\"fill-extrusion-opacity\"]&&\"none\"!==this.layout.visibility},e}(StyleLayer);module.exports=FillExtrusionStyleLayer;\n},{\"../../data/bucket/fill_extrusion_bucket\":45,\"../../util/intersection_tests\":214,\"../query_utils\":155,\"../style_layer\":158}],161:[function(_dereq_,module,exports){\n\"use strict\";var StyleLayer=_dereq_(\"../style_layer\"),FillBucket=_dereq_(\"../../data/bucket/fill_bucket\"),ref=_dereq_(\"../../util/intersection_tests\"),multiPolygonIntersectsMultiPolygon=ref.multiPolygonIntersectsMultiPolygon,ref$1=_dereq_(\"../query_utils\"),translateDistance=ref$1.translateDistance,translate=ref$1.translate,FillStyleLayer=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.getPaintValue=function(e,o,l){var i=this;if(\"fill-outline-color\"===e){if(void 0===this.getPaintProperty(\"fill-outline-color\"))return t.prototype.getPaintValue.call(this,\"fill-color\",o,l);for(var r=this._paintTransitions[\"fill-outline-color\"];r;){if(!(r&&r.declaration&&r.declaration.value))return t.prototype.getPaintValue.call(i,\"fill-color\",o,l);r=r.oldTransition}}return t.prototype.getPaintValue.call(this,e,o,l)},e.prototype.getPaintValueStopZoomLevels=function(e){return\"fill-outline-color\"===e&&void 0===this.getPaintProperty(\"fill-outline-color\")?t.prototype.getPaintValueStopZoomLevels.call(this,\"fill-color\"):t.prototype.getPaintValueStopZoomLevels.call(this,e)},e.prototype.getPaintInterpolationT=function(e,o){return\"fill-outline-color\"===e&&void 0===this.getPaintProperty(\"fill-outline-color\")?t.prototype.getPaintInterpolationT.call(this,\"fill-color\",o):t.prototype.getPaintInterpolationT.call(this,e,o)},e.prototype.isPaintValueFeatureConstant=function(e){return\"fill-outline-color\"===e&&void 0===this.getPaintProperty(\"fill-outline-color\")?t.prototype.isPaintValueFeatureConstant.call(this,\"fill-color\"):t.prototype.isPaintValueFeatureConstant.call(this,e)},e.prototype.isPaintValueZoomConstant=function(e){return\"fill-outline-color\"===e&&void 0===this.getPaintProperty(\"fill-outline-color\")?t.prototype.isPaintValueZoomConstant.call(this,\"fill-color\"):t.prototype.isPaintValueZoomConstant.call(this,e)},e.prototype.createBucket=function(t){return new FillBucket(t)},e.prototype.queryRadius=function(){return translateDistance(this.paint[\"fill-translate\"])},e.prototype.queryIntersectsFeature=function(t,e,o,l,i,r){var n=translate(t,this.getPaintValue(\"fill-translate\",{zoom:l},e.properties),this.getPaintValue(\"fill-translate-anchor\",{zoom:l},e.properties),i,r);return multiPolygonIntersectsMultiPolygon(n,o)},e}(StyleLayer);module.exports=FillStyleLayer;\n},{\"../../data/bucket/fill_bucket\":44,\"../../util/intersection_tests\":214,\"../query_utils\":155,\"../style_layer\":158}],162:[function(_dereq_,module,exports){\n\"use strict\";function getLineWidth(e,t){return t>0?t+2*e:e}function offsetLine(e,t){for(var i=[],r=new Point(0,0),n=0;n<e.length;n++){for(var a=e[n],u=[],o=0;o<a.length;o++){var s=a[o-1],l=a[o],p=a[o+1],f=0===o?r:l.sub(s)._unit()._perp(),c=o===a.length-1?r:p.sub(l)._unit()._perp(),y=f._add(c)._unit(),h=y.x*c.x+y.y*c.y;y._mult(1/h),u.push(y._mult(t)._add(l))}i.push(u)}return i}var Point=_dereq_(\"@mapbox/point-geometry\"),StyleLayer=_dereq_(\"../style_layer\"),LineBucket=_dereq_(\"../../data/bucket/line_bucket\"),ref=_dereq_(\"../../util/intersection_tests\"),multiPolygonIntersectsBufferedMultiLine=ref.multiPolygonIntersectsBufferedMultiLine,ref$1=_dereq_(\"../query_utils\"),getMaximumPaintValue=ref$1.getMaximumPaintValue,translateDistance=ref$1.translateDistance,translate=ref$1.translate,LineStyleLayer=function(e){function t(){e.apply(this,arguments)}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.createBucket=function(e){return new LineBucket(e)},t.prototype.queryRadius=function(e){var t=e,i=getLineWidth(getMaximumPaintValue(\"line-width\",this,t),getMaximumPaintValue(\"line-gap-width\",this,t)),r=getMaximumPaintValue(\"line-offset\",this,t);return i/2+Math.abs(r)+translateDistance(this.paint[\"line-translate\"])},t.prototype.queryIntersectsFeature=function(e,t,i,r,n,a){var u=translate(e,this.getPaintValue(\"line-translate\",{zoom:r},t.properties),this.getPaintValue(\"line-translate-anchor\",{zoom:r},t.properties),n,a),o=a/2*getLineWidth(this.getPaintValue(\"line-width\",{zoom:r},t.properties),this.getPaintValue(\"line-gap-width\",{zoom:r},t.properties)),s=this.getPaintValue(\"line-offset\",{zoom:r},t.properties);return s&&(i=offsetLine(i,s*a)),multiPolygonIntersectsBufferedMultiLine(u,i,o)},t}(StyleLayer);module.exports=LineStyleLayer;\n},{\"../../data/bucket/line_bucket\":46,\"../../util/intersection_tests\":214,\"../query_utils\":155,\"../style_layer\":158,\"@mapbox/point-geometry\":2}],163:[function(_dereq_,module,exports){\n\"use strict\";var StyleLayer=_dereq_(\"../style_layer\"),SymbolBucket=_dereq_(\"../../data/bucket/symbol_bucket\"),SymbolStyleLayer=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.getLayoutValue=function(e,r,o){var n=t.prototype.getLayoutValue.call(this,e,r,o);if(\"auto\"!==n)return n;switch(e){case\"text-rotation-alignment\":case\"icon-rotation-alignment\":return\"line\"===this.getLayoutValue(\"symbol-placement\",r,o)?\"map\":\"viewport\";case\"text-pitch-alignment\":return this.getLayoutValue(\"text-rotation-alignment\",r,o);case\"icon-pitch-alignment\":return this.getLayoutValue(\"icon-rotation-alignment\",r,o);default:return n}},e.prototype.createBucket=function(t){return new SymbolBucket(t)},e.prototype.queryRadius=function(){return 0},e.prototype.queryIntersectsFeature=function(){return!1},e}(StyleLayer);module.exports=SymbolStyleLayer;\n},{\"../../data/bucket/symbol_bucket\":47,\"../style_layer\":158}],164:[function(_dereq_,module,exports){\n\"use strict\";var StyleLayer=_dereq_(\"./style_layer\"),util=_dereq_(\"../util/util\"),featureFilter=_dereq_(\"../style-spec/feature_filter\"),groupByLayout=_dereq_(\"../style-spec/group_by_layout\"),StyleLayerIndex=function(e){e&&this.replace(e)};StyleLayerIndex.prototype.replace=function(e){var r=this;this.symbolOrder=[];for(var t=0,i=e;t<i.length;t+=1){var a=i[t];\"symbol\"===a.type&&r.symbolOrder.push(a.id)}this._layerConfigs={},this._layers={},this.update(e,[])},StyleLayerIndex.prototype.update=function(e,r,t){for(var i=this,a=0,l=e;a<l.length;a+=1){var y=l[a];i._layerConfigs[y.id]=y;var s=i._layers[y.id]=StyleLayer.create(y);s.updatePaintTransitions({},{transition:!1}),s.filter=featureFilter(s.filter)}for(var o=0,u=r;o<u.length;o+=1){var n=u[o];delete i._layerConfigs[n],delete i._layers[n]}t&&(this.symbolOrder=t),this.familiesBySource={};for(var f=groupByLayout(util.values(this._layerConfigs)),p=0,d=f;p<d.length;p+=1){var h=d[p],c=h.map(function(e){return i._layers[e.id]}),v=c[0];if(!v.layout||\"none\"!==v.layout.visibility){var _=v.source||\"\",g=i.familiesBySource[_];g||(g=i.familiesBySource[_]={});var L=v.sourceLayer||\"_geojsonTileLayer\",m=g[L];m||(m=g[L]=[]),m.push(c)}}},module.exports=StyleLayerIndex;\n},{\"../style-spec/feature_filter\":110,\"../style-spec/group_by_layout\":113,\"../util/util\":223,\"./style_layer\":158}],165:[function(_dereq_,module,exports){\n\"use strict\";function interpZoomTransitioned(t,i,e){if(void 0!==t&&void 0!==i)return{from:t.to,fromScale:t.toScale,to:i.to,toScale:i.toScale,t:e}}var util=_dereq_(\"../util/util\"),interpolate=_dereq_(\"../style-spec/util/interpolate\"),fakeZoomHistory={lastIntegerZoom:0,lastIntegerZoomTime:0,lastZoom:0},StyleTransition=function(t,i,e,o,a){this.declaration=i,this.startTime=this.endTime=(new Date).getTime(),this.oldTransition=e,this.duration=o.duration||0,this.delay=o.delay||0,this.zoomTransitioned=\"piecewise-constant\"===t.function&&t.transition,this.interp=this.zoomTransitioned?interpZoomTransitioned:interpolate[t.type],this.zoomHistory=a||fakeZoomHistory,this.instant()||(this.endTime=this.startTime+this.duration+this.delay),e&&e.endTime<=this.startTime&&delete e.oldTransition};StyleTransition.prototype.instant=function(){return!this.oldTransition||!this.interp||0===this.duration&&0===this.delay},StyleTransition.prototype.calculate=function(t,i,e){var o=this._calculateTargetValue(t,i);if(this.instant())return o;if((e=e||Date.now())>=this.endTime)return o;var a=this.oldTransition.calculate(t,i,this.startTime),n=util.easeCubicInOut((e-this.startTime-this.delay)/this.duration);return this.interp(a,o,n)},StyleTransition.prototype._calculateTargetValue=function(t,i){if(!this.zoomTransitioned)return this.declaration.calculate(t,i);var e=t.zoom,o=this.zoomHistory.lastIntegerZoom,a=e>o?2:.5,n=this.declaration.calculate({zoom:e>o?e-1:e+1},i),r=this.declaration.calculate({zoom:e},i),s=Math.min((Date.now()-this.zoomHistory.lastIntegerZoomTime)/this.duration,1),l=Math.abs(e-o),u=interpolate(s,1,l);return void 0!==n&&void 0!==r?{from:n,fromScale:a,to:r,toScale:1,t:u}:void 0},module.exports=StyleTransition;\n},{\"../style-spec/util/interpolate\":127,\"../util/util\":223}],166:[function(_dereq_,module,exports){\n\"use strict\";module.exports=_dereq_(\"../style-spec/validate_style.min\"),module.exports.emitErrors=function(r,e){if(e&&e.length){for(var t=0,o=e;t<o.length;t+=1){var s=o[t],i=s.message;r.fire(\"error\",{error:new Error(i)})}return!0}return!1};\n},{\"../style-spec/validate_style.min\":149}],167:[function(_dereq_,module,exports){\n\"use strict\";var Point=_dereq_(\"@mapbox/point-geometry\"),Anchor=function(t){function o(o,e,n,r){t.call(this,o,e),this.angle=n,void 0!==r&&(this.segment=r)}return t&&(o.__proto__=t),o.prototype=Object.create(t&&t.prototype),o.prototype.constructor=o,o.prototype.clone=function(){return new o(this.x,this.y,this.angle,this.segment)},o}(Point);module.exports=Anchor;\n},{\"@mapbox/point-geometry\":2}],168:[function(_dereq_,module,exports){\n\"use strict\";function checkMaxAngle(e,t,a,r,n){if(void 0===t.segment)return!0;for(var i=t,s=t.segment+1,f=0;f>-a/2;){if(--s<0)return!1;f-=e[s].dist(i),i=e[s]}f+=e[s].dist(e[s+1]),s++;for(var l=[],o=0;f<a/2;){var u=e[s-1],c=e[s],g=e[s+1];if(!g)return!1;var h=u.angleTo(c)-c.angleTo(g);for(h=Math.abs((h+3*Math.PI)%(2*Math.PI)-Math.PI),l.push({distance:f,angleDelta:h}),o+=h;f-l[0].distance>r;)o-=l.shift().angleDelta;if(o>n)return!1;s++,f+=c.dist(g)}return!0}module.exports=checkMaxAngle;\n},{}],169:[function(_dereq_,module,exports){\n\"use strict\";function clipLine(n,x,y,o,e){for(var r=[],t=0;t<n.length;t++)for(var i=n[t],u=void 0,d=0;d<i.length-1;d++){var P=i[d],w=i[d+1];P.x<x&&w.x<x||(P.x<x?P=new Point(x,P.y+(w.y-P.y)*((x-P.x)/(w.x-P.x)))._round():w.x<x&&(w=new Point(x,P.y+(w.y-P.y)*((x-P.x)/(w.x-P.x)))._round()),P.y<y&&w.y<y||(P.y<y?P=new Point(P.x+(w.x-P.x)*((y-P.y)/(w.y-P.y)),y)._round():w.y<y&&(w=new Point(P.x+(w.x-P.x)*((y-P.y)/(w.y-P.y)),y)._round()),P.x>=o&&w.x>=o||(P.x>=o?P=new Point(o,P.y+(w.y-P.y)*((o-P.x)/(w.x-P.x)))._round():w.x>=o&&(w=new Point(o,P.y+(w.y-P.y)*((o-P.x)/(w.x-P.x)))._round()),P.y>=e&&w.y>=e||(P.y>=e?P=new Point(P.x+(w.x-P.x)*((e-P.y)/(w.y-P.y)),e)._round():w.y>=e&&(w=new Point(P.x+(w.x-P.x)*((e-P.y)/(w.y-P.y)),e)._round()),u&&P.equals(u[u.length-1])||(u=[P],r.push(u)),u.push(w)))))}return r}var Point=_dereq_(\"@mapbox/point-geometry\");module.exports=clipLine;\n},{\"@mapbox/point-geometry\":2}],170:[function(_dereq_,module,exports){\n\"use strict\";var createStructArrayType=_dereq_(\"../util/struct_array\"),Point=_dereq_(\"@mapbox/point-geometry\"),CollisionBoxArray=createStructArrayType({members:[{type:\"Int16\",name:\"anchorPointX\"},{type:\"Int16\",name:\"anchorPointY\"},{type:\"Int16\",name:\"offsetX\"},{type:\"Int16\",name:\"offsetY\"},{type:\"Int16\",name:\"x1\"},{type:\"Int16\",name:\"y1\"},{type:\"Int16\",name:\"x2\"},{type:\"Int16\",name:\"y2\"},{type:\"Float32\",name:\"unadjustedMaxScale\"},{type:\"Float32\",name:\"maxScale\"},{type:\"Uint32\",name:\"featureIndex\"},{type:\"Uint16\",name:\"sourceLayerIndex\"},{type:\"Uint16\",name:\"bucketIndex\"},{type:\"Int16\",name:\"bbox0\"},{type:\"Int16\",name:\"bbox1\"},{type:\"Int16\",name:\"bbox2\"},{type:\"Int16\",name:\"bbox3\"},{type:\"Float32\",name:\"placementScale\"}]});Object.defineProperty(CollisionBoxArray.prototype.StructType.prototype,\"anchorPoint\",{get:function(){return new Point(this.anchorPointX,this.anchorPointY)}}),module.exports=CollisionBoxArray;\n},{\"../util/struct_array\":220,\"@mapbox/point-geometry\":2}],171:[function(_dereq_,module,exports){\n\"use strict\";var CollisionFeature=function(t,e,i,o,a,n,s,l,r,d,u){var h=s.top*l-r,f=s.bottom*l+r,x=s.left*l-r,m=s.right*l+r;if(this.boxStartIndex=t.length,d){var _=f-h,b=m-x;if(_>0)if(_=Math.max(10*l,_),u){var v=e[i.segment+1].sub(e[i.segment])._unit()._mult(b),c=[i.sub(v),i.add(v)];this._addLineCollisionBoxes(t,c,i,0,b,_,o,a,n)}else this._addLineCollisionBoxes(t,e,i,i.segment,b,_,o,a,n)}else t.emplaceBack(i.x,i.y,0,0,x,h,m,f,1/0,1/0,o,a,n,0,0,0,0,0);this.boxEndIndex=t.length};CollisionFeature.prototype._addLineCollisionBoxes=function(t,e,i,o,a,n,s,l,r){var d=n/2,u=Math.floor(a/d),h=Math.floor(u/2),f=-n/2,x=i,m=o+1,_=f,b=-a/2,v=b-a/8;do{if(--m<0){if(_>b)return;m=0;break}_-=e[m].dist(x),x=e[m]}while(_>v);for(var c=e[m].dist(e[m+1]),g=-h;g<u+h;g++){var p=g*d,C=b+p;if(p<0&&(C+=p),p>a&&(C+=p-a),!(C<_)){for(;_+c<C;){if(_+=c,++m+1>=e.length)return;c=e[m].dist(e[m+1])}var M=C-_,y=e[m],B=e[m+1],k=B.sub(y)._unit()._mult(M)._add(y)._round(),F=Math.max(Math.abs(C-f)-d/2,0),L=a/2/F;(g<0||g>=u)&&(L=Math.min(L,.99)),t.emplaceBack(k.x,k.y,k.x-i.x,k.y-i.y,-n/2,-n/2,n/2,n/2,L,L,s,l,r,0,0,0,0,0)}}},module.exports=CollisionFeature;\n},{}],172:[function(_dereq_,module,exports){\n\"use strict\";var Point=_dereq_(\"@mapbox/point-geometry\"),EXTENT=_dereq_(\"../data/extent\"),Grid=_dereq_(\"grid-index\"),intersectionTests=_dereq_(\"../util/intersection_tests\"),CollisionTile=function(e,t,i,a,r,o,n){void 0===o&&(o=new Grid(EXTENT,12,6)),void 0===n&&(n=new Grid(EXTENT,12,0)),this.angle=e,this.pitch=t,this.cameraToCenterDistance=i,this.cameraToTileDistance=a,this.grid=o,this.ignoredGrid=n,this.perspectiveRatio=1+.5*(a/i-1),this.minScale=.5/this.perspectiveRatio,this.maxScale=2/this.perspectiveRatio;var s=Math.sin(this.angle),l=Math.cos(this.angle);this.rotationMatrix=[l,-s,s,l],this.reverseRotationMatrix=[l,s,-s,l],this.yStretch=Math.max(1,a/(i*Math.cos(t/180*Math.PI))),this.collisionBoxArray=r,0===r.length&&(r.emplaceBack(),r.emplaceBack(0,0,0,0,0,-EXTENT,0,EXTENT,1/0,1/0,0,0,0,0,0,0,0,0,0),r.emplaceBack(EXTENT,0,0,0,0,-EXTENT,0,EXTENT,1/0,1/0,0,0,0,0,0,0,0,0,0),r.emplaceBack(0,0,0,0,-EXTENT,0,EXTENT,0,1/0,1/0,0,0,0,0,0,0,0,0,0),r.emplaceBack(0,EXTENT,0,0,-EXTENT,0,EXTENT,0,1/0,1/0,0,0,0,0,0,0,0,0,0)),this.tempCollisionBox=r.get(0),this.edges=[r.get(1),r.get(2),r.get(3),r.get(4)]};CollisionTile.deserialize=function(e,t){return new CollisionTile(e.angle,e.pitch,e.cameraToCenterDistance,e.cameraToTileDistance,t,new Grid(e.grid),new Grid(e.ignoredGrid))},CollisionTile.prototype.serialize=function(e){var t=this.grid.toArrayBuffer(),i=this.ignoredGrid.toArrayBuffer();return e&&(e.push(t),e.push(i)),{angle:this.angle,pitch:this.pitch,cameraToCenterDistance:this.cameraToCenterDistance,cameraToTileDistance:this.cameraToTileDistance,grid:t,ignoredGrid:i}},CollisionTile.prototype.placeCollisionFeature=function(e,t,i){for(var a=this,r=this.collisionBoxArray,o=this.minScale,n=this.rotationMatrix,s=this.yStretch,l=e.boxStartIndex;l<e.boxEndIndex;l++){var c=r.get(l),h=c.anchorPoint._matMult(n),x=h.x,m=h.y,p=x+c.x1*a.perspectiveRatio,y=m+c.y1*s*a.perspectiveRatio,g=x+c.x2*a.perspectiveRatio,d=m+c.y2*s*a.perspectiveRatio;c.bbox0=p,c.bbox1=y,c.bbox2=g,c.bbox3=d;var T=new Point(c.offsetX,c.offsetY)._matMult(n),u=T.x*T.x,v=T.y*T.y,M=v*s*s,f=Math.sqrt((u+M)/(u+v))||1;if(c.maxScale=c.unadjustedMaxScale*f,!t)for(var E=a.grid.query(p,y,g,d),S=0;S<E.length;S++){var P=r.get(E[S]),b=P.anchorPoint._matMult(n);if((o=a.getPlacementScale(o,h,c,b,P))>=a.maxScale)return o}if(i){var N=void 0;if(a.angle){var C=a.reverseRotationMatrix,w=new Point(c.x1,c.y1).matMult(C),X=new Point(c.x2,c.y1).matMult(C),B=new Point(c.x1,c.y2).matMult(C),G=new Point(c.x2,c.y2).matMult(C);N=a.tempCollisionBox,N.anchorPointX=c.anchorPoint.x,N.anchorPointY=c.anchorPoint.y,N.x1=Math.min(w.x,X.x,B.x,G.x),N.y1=Math.min(w.y,X.x,B.x,G.x),N.x2=Math.max(w.x,X.x,B.x,G.x),N.y2=Math.max(w.y,X.x,B.x,G.x),N.maxScale=c.maxScale}else N=c;for(var R=0;R<this.edges.length;R++){var q=a.edges[R];if((o=a.getPlacementScale(o,c.anchorPoint,N,q.anchorPoint,q))>=a.maxScale)return o}}}return o},CollisionTile.prototype.queryRenderedSymbols=function(e,t){var i={},a=[];if(0===e.length||0===this.grid.keys.length&&0===this.ignoredGrid.keys.length)return a;for(var r=this.collisionBoxArray,o=this.rotationMatrix,n=this.yStretch,s=[],l=1/0,c=1/0,h=-1/0,x=-1/0,m=0;m<e.length;m++)for(var p=e[m],y=0;y<p.length;y++){var g=p[y].matMult(o);l=Math.min(l,g.x),c=Math.min(c,g.y),h=Math.max(h,g.x),x=Math.max(x,g.y),s.push(g)}for(var d=this.grid.query(l,c,h,x),T=this.ignoredGrid.query(l,c,h,x),u=0;u<T.length;u++)d.push(T[u]);for(var v=t/this.perspectiveRatio,M=Math.pow(2,Math.ceil(Math.log(v)/Math.LN2*10)/10),f=0;f<d.length;f++){var E=r.get(d[f]),S=E.sourceLayerIndex,P=E.featureIndex;if(void 0===i[S]&&(i[S]={}),!i[S][P]&&!(M<E.placementScale||M>E.maxScale)){var b=E.anchorPoint.matMult(o),N=b.x+E.x1/v,C=b.y+E.y1/v*n,w=b.x+E.x2/v,X=b.y+E.y2/v*n,B=[new Point(N,C),new Point(w,C),new Point(w,X),new Point(N,X)];intersectionTests.polygonIntersectsPolygon(s,B)&&(i[S][P]=!0,a.push(d[f]))}}return a},CollisionTile.prototype.getPlacementScale=function(e,t,i,a,r){var o=t.x-a.x,n=t.y-a.y,s=(r.x1-i.x2)/o,l=(r.x2-i.x1)/o,c=(r.y1-i.y2)*this.yStretch/n,h=(r.y2-i.y1)*this.yStretch/n;(isNaN(s)||isNaN(l))&&(s=l=1),(isNaN(c)||isNaN(h))&&(c=h=1);var x=Math.min(Math.max(s,l),Math.max(c,h)),m=r.maxScale,p=i.maxScale;return x>m&&(x=m),x>p&&(x=p),x>e&&x>=r.placementScale&&(e=x),e},CollisionTile.prototype.insertCollisionFeature=function(e,t,i){for(var a=this,r=i?this.ignoredGrid:this.grid,o=this.collisionBoxArray,n=e.boxStartIndex;n<e.boxEndIndex;n++){var s=o.get(n);s.placementScale=t,t<a.maxScale&&(1===a.perspectiveRatio||s.maxScale>=1)&&r.insert(n,s.bbox0,s.bbox1,s.bbox2,s.bbox3)}},module.exports=CollisionTile;\n},{\"../data/extent\":48,\"../util/intersection_tests\":214,\"@mapbox/point-geometry\":2,\"grid-index\":22}],173:[function(_dereq_,module,exports){\n\"use strict\";function getAnchors(e,r,t,n,a,l,o,i,c){var h=n?.6*l*o:0,s=Math.max(n?n.right-n.left:0,a?a.right-a.left:0),u=0===e[0].x||e[0].x===c||0===e[0].y||e[0].y===c;r-s*o<r/4&&(r=s*o+r/4);var g=2*l;return resample(e,u?r/2*i%r:(s/2+g)*o*i%r,r,h,t,s*o,u,!1,c)}function resample(e,r,t,n,a,l,o,i,c){for(var h=l/2,s=0,u=0;u<e.length-1;u++)s+=e[u].dist(e[u+1]);for(var g=0,p=r-t,x=[],f=0;f<e.length-1;f++){for(var v=e[f],m=e[f+1],y=v.dist(m),A=m.angleTo(v);p+t<g+y;){p+=t;var d=(p-g)/y,k=interpolate(v.x,m.x,d),q=interpolate(v.y,m.y,d);if(k>=0&&k<c&&q>=0&&q<c&&p-h>=0&&p+h<=s){var M=new Anchor(k,q,A,f);M._round(),n&&!checkMaxAngle(e,M,l,n,a)||x.push(M)}}g+=y}return i||x.length||o||(x=resample(e,g/2,t,n,a,l,o,!0,c)),x}var interpolate=_dereq_(\"../style-spec/util/interpolate\"),Anchor=_dereq_(\"../symbol/anchor\"),checkMaxAngle=_dereq_(\"./check_max_angle\");module.exports=getAnchors;\n},{\"../style-spec/util/interpolate\":127,\"../symbol/anchor\":167,\"./check_max_angle\":168}],174:[function(_dereq_,module,exports){\n\"use strict\";module.exports=function(e){function t(t){g.push(e[t]),l++}function r(e,t,r){var n=u[e];return delete u[e],u[t]=n,g[n].geometry[0].pop(),g[n].geometry[0]=g[n].geometry[0].concat(r[0]),n}function n(e,t,r){var n=i[t];return delete i[t],i[e]=n,g[n].geometry[0].shift(),g[n].geometry[0]=r[0].concat(g[n].geometry[0]),n}function o(e,t,r){var n=r?t[0][t[0].length-1]:t[0][0];return e+\":\"+n.x+\":\"+n.y}for(var i={},u={},g=[],l=0,m=0;m<e.length;m++){var y=e[m],c=y.geometry,f=y.text;if(f){var a=o(f,c),s=o(f,c,!0);if(a in u&&s in i&&u[a]!==i[s]){var v=n(a,s,c),d=r(a,s,g[v].geometry);delete i[a],delete u[s],u[o(f,g[d].geometry,!0)]=d,g[v].geometry=null}else a in u?r(a,s,c):s in i?n(a,s,c):(t(m),i[a]=l-1,u[s]=l-1)}else t(m)}return g.filter(function(e){return e.geometry})};\n},{}],175:[function(_dereq_,module,exports){\n\"use strict\";function getLabelPlaneMatrix(e,t,a,n,r){var i=mat4.identity(new Float32Array(16));return t?(mat4.identity(i),mat4.scale(i,i,[1/r,1/r,1]),a||mat4.rotateZ(i,i,n.angle)):(mat4.scale(i,i,[n.width/2,-n.height/2,1]),mat4.translate(i,i,[1,-1,0]),mat4.multiply(i,i,e)),i}function getGlCoordMatrix(e,t,a,n,r){var i=mat4.identity(new Float32Array(16));return t?(mat4.multiply(i,i,e),mat4.scale(i,i,[r,r,1]),a||mat4.rotateZ(i,i,-n.angle)):(mat4.scale(i,i,[1,-1,1]),mat4.translate(i,i,[-1,-1,0]),mat4.scale(i,i,[2/n.width,2/n.height,1])),i}function project(e,t){var a=[e.x,e.y,0,1];vec4.transformMat4(a,a,t);var n=a[3];return{point:new Point(a[0]/n,a[1]/n),signedDistanceFromCamera:n}}function isVisible(e,t,a,n){var r=e[0]/e[3],i=e[1]/e[3];return r>=-a[0]&&r<=a[0]&&i>=-a[1]&&i<=a[1]&&n.frameHistory.isVisible(t)}function updateLineLabels(e,t,a,n,r,i,o,l,s,p){var m=n?e.textSizeData:e.iconSizeData,c=symbolSize.evaluateSizeForZoom(m,a.transform,p,n),u=[256/a.width*2+1,256/a.height*2+1],y=n?e.text.dynamicLayoutVertexArray:e.icon.dynamicLayoutVertexArray;y.clear();for(var g=e.lineVertexArray,d=n?e.placedGlyphArray:e.placedIconArray,f=0;f<d.length;f++){var h=d.get(f),x=[h.anchorX,h.anchorY,0,1];if(vec4.transformMat4(x,x,t),isVisible(x,h.placementZoom,u,a)){var v=x[3],b=1+.5*(v/a.transform.cameraToCenterDistance-1),L=symbolSize.evaluateSizeForFeature(m,c,h),A=o?L*b:L/b,G=new Point(h.anchorX,h.anchorY),S=project(G,r).point,P={},D=placeGlyphsAlongLine(h,A,!1,l,t,r,i,e.glyphOffsetArray,g,y,S,G,P);(D.notEnoughRoom||D.needsFlipping&&placeGlyphsAlongLine(h,A,!0,l,t,r,i,e.glyphOffsetArray,g,y,S,G,P).notEnoughRoom)&&hideGlyphs(h.numGlyphs,y)}else hideGlyphs(h.numGlyphs,y)}n?e.text.dynamicLayoutVertexBuffer.updateData(y.serialize()):e.icon.dynamicLayoutVertexBuffer.updateData(y.serialize())}function placeGlyphsAlongLine(e,t,a,n,r,i,o,l,s,p,m,c,u){var y,g=t/24,d=e.lineOffsetX*t,f=e.lineOffsetY*t;if(e.numGlyphs>1){var h=e.glyphStartIndex+e.numGlyphs,x=l.get(e.glyphStartIndex).offsetX,v=l.get(h-1).offsetX,b=e.lineStartIndex,L=e.lineStartIndex+e.lineLength,A=placeGlyphAlongLine(g*x,d,f,a,m,c,e.segment,b,L,s,i,u);if(!A)return{notEnoughRoom:!0};var G=placeGlyphAlongLine(g*v,d,f,a,m,c,e.segment,b,L,s,i,u);if(!G)return{notEnoughRoom:!0};var S=project(A.point,o).point,P=project(G.point,o).point;if(n&&!a&&(e.vertical?S.y<P.y:S.x>P.x))return{needsFlipping:!0};y=[A];for(var D=e.glyphStartIndex+1;D<h-1;D++){var I=l.get(D);y.push(placeGlyphAlongLine(g*I.offsetX,d,f,a,m,c,e.segment,b,L,s,i,u))}y.push(G)}else{if(n&&!a){var M=project(c,r).point,j=s.get(e.lineStartIndex+e.segment+1),w=project(j,r),F=w.signedDistanceFromCamera>0?w.point:projectTruncatedLineSegment(c,new Point(j.x,j.y),M,1,r);if(e.vertical?F.y>M.y:F.x<M.x)return{needsFlipping:!0}}var z=l.get(e.glyphStartIndex),_=placeGlyphAlongLine(g*z.offsetX,d,f,a,m,c,e.segment,e.lineStartIndex,e.lineStartIndex+e.lineLength,s,i,u);if(!_)return{notEnoughRoom:!0};y=[_]}for(var V=e.placementZoom,C=0,X=y;C<X.length;C+=1){var E=X[C];addDynamicAttributes(p,E.point,E.angle,V)}return{}}function projectTruncatedLineSegment(e,t,a,n,r){var i=project(e.add(e.sub(t)._unit()),r).point,o=a.sub(i);return a.add(o._mult(n/o.mag()))}function placeGlyphAlongLine(e,t,a,n,r,i,o,l,s,p,m,c){var u=n?e-t:e+t,y=u>0?1:-1,g=0;n&&(y*=-1,g=Math.PI),y<0&&(g+=Math.PI);for(var d=y>0?l+o:l+o+1,f=r,h=r,x=0,v=0,b=Math.abs(u);x+v<=b;){if((d+=y)<l||d>=s)return null;if(h=f,void 0===(f=c[d])){var L=project(p.get(d),m);if(L.signedDistanceFromCamera>0)f=c[d]=L.point;else{f=projectTruncatedLineSegment(0===x?i:new Point(p.get(d-y).x,p.get(d-y).y),new Point(p.get(d).x,p.get(d).y),h,b-x+1,m)}}x+=v,v=h.dist(f)}var A=(b-x)/v,G=f.sub(h),S=G.mult(A)._add(h);return S._add(G._unit()._perp()._mult(a*y)),{point:S,angle:g+Math.atan2(f.y-h.y,f.x-h.x)}}function hideGlyphs(e,t){for(var a=0;a<e;a++)addDynamicAttributes(t,offscreenPoint,0,25)}var Point=_dereq_(\"@mapbox/point-geometry\"),ref=_dereq_(\"@mapbox/gl-matrix\"),mat4=ref.mat4,vec4=ref.vec4,symbolSize=_dereq_(\"./symbol_size\"),ref$1=_dereq_(\"../data/bucket/symbol_bucket\"),addDynamicAttributes=ref$1.addDynamicAttributes;module.exports={updateLineLabels:updateLineLabels,getLabelPlaneMatrix:getLabelPlaneMatrix,getGlCoordMatrix:getGlCoordMatrix};var offscreenPoint=new Point(-1/0,-1/0);\n},{\"../data/bucket/symbol_bucket\":47,\"./symbol_size\":178,\"@mapbox/gl-matrix\":1,\"@mapbox/point-geometry\":2}],176:[function(_dereq_,module,exports){\n\"use strict\";function getIconQuads(t,e,i,o,n,a,r){var u,l,d,f,c=e.image,h=i.layout,x=e.top-1/c.pixelRatio,g=e.left-1/c.pixelRatio,p=e.bottom+1/c.pixelRatio,s=e.right+1/c.pixelRatio;if(\"none\"!==h[\"icon-text-fit\"]&&n){var P=s-g,_=p-x,w=h[\"text-size\"]/24,m=n.left*w,y=n.right*w,M=n.top*w,v=n.bottom*w,R=y-m,b=v-M,G=h[\"icon-text-fit-padding\"][0],B=h[\"icon-text-fit-padding\"][1],I=h[\"icon-text-fit-padding\"][2],L=h[\"icon-text-fit-padding\"][3],Q=\"width\"===h[\"icon-text-fit\"]?.5*(b-_):0,O=\"height\"===h[\"icon-text-fit\"]?.5*(R-P):0,A=\"width\"===h[\"icon-text-fit\"]||\"both\"===h[\"icon-text-fit\"]?R:P,D=\"height\"===h[\"icon-text-fit\"]||\"both\"===h[\"icon-text-fit\"]?b:_;u=new Point(m+O-L,M+Q-G),l=new Point(m+O+B+A,M+Q-G),d=new Point(m+O+B+A,M+Q+I+D),f=new Point(m+O-L,M+Q+I+D)}else u=new Point(g,x),l=new Point(s,x),d=new Point(s,p),f=new Point(g,p);var E=i.getLayoutValue(\"icon-rotate\",a,r)*Math.PI/180;if(E){var F=Math.sin(E),H=Math.cos(E),V=[H,-F,F,H];u._matMult(V),l._matMult(V),f._matMult(V),d._matMult(V)}return[{tl:u,tr:l,bl:f,br:d,tex:{x:c.textureRect.x-1,y:c.textureRect.y-1,w:c.textureRect.w+2,h:c.textureRect.h+2},writingMode:void 0,glyphOffset:[0,0]}]}function getGlyphQuads(t,e,i,o,n,a,r){for(var u=i.getLayoutValue(\"text-rotate\",n,a)*Math.PI/180,l=i.getLayoutValue(\"text-offset\",n,a).map(function(t){return 24*t}),d=e.positionedGlyphs,f=[],c=0;c<d.length;c++){var h=d[c],x=r[h.glyph];if(x){var g=x.rect;if(g){var p=GLYPH_PBF_BORDER+1,s=x.metrics.advance/2,P=o?[h.x+s,h.y]:[0,0],_=o?[0,0]:[h.x+s+l[0],h.y+l[1]],w=x.metrics.left-p-s+_[0],m=-x.metrics.top-p+_[1],y=w+g.w,M=m+g.h,v=new Point(w,m),R=new Point(y,m),b=new Point(w,M),G=new Point(y,M);if(o&&h.vertical){var B=new Point(-s,s),I=-Math.PI/2,L=new Point(5,0);v._rotateAround(I,B)._add(L),R._rotateAround(I,B)._add(L),b._rotateAround(I,B)._add(L),G._rotateAround(I,B)._add(L)}if(u){var Q=Math.sin(u),O=Math.cos(u),A=[O,-Q,Q,O];v._matMult(A),R._matMult(A),b._matMult(A),G._matMult(A)}f.push({tl:v,tr:R,bl:b,br:G,tex:g,writingMode:e.writingMode,glyphOffset:P})}}}return f}var Point=_dereq_(\"@mapbox/point-geometry\"),ref=_dereq_(\"../style/parse_glyph_pbf\"),GLYPH_PBF_BORDER=ref.GLYPH_PBF_BORDER;module.exports={getIconQuads:getIconQuads,getGlyphQuads:getGlyphQuads};\n},{\"../style/parse_glyph_pbf\":154,\"@mapbox/point-geometry\":2}],177:[function(_dereq_,module,exports){\n\"use strict\";function breakLines(e,t){for(var a=[],r=0,i=0,n=t;i<n.length;i+=1){var l=n[i];a.push(e.substring(r,l)),r=l}return r<e.length&&a.push(e.substring(r,e.length)),a}function shapeText(e,t,a,r,i,n,l,c,o,s){var h=e.trim();s===WritingMode.vertical&&(h=verticalizePunctuation(h));var g,u=[],p={positionedGlyphs:u,text:h,top:c[1],bottom:c[1],left:c[0],right:c[0],writingMode:s},b=rtlTextPlugin.processBidirectionalText;return g=b?b(h,determineLineBreaks(h,l,a,t)):breakLines(h,determineLineBreaks(h,l,a,t)),shapeLines(p,t,g,r,i,n,s,l,o),!!u.length&&p}function determineAverageLineWidth(e,t,a,r){for(var i=0,n=0;n<e.length;n++){var l=r[e.charCodeAt(n)];l&&(i+=l.metrics.advance+t)}return i/Math.max(1,Math.ceil(i/a))}function calculateBadness(e,t,a,r){var i=Math.pow(e-t,2);return r?e<t?i/2:2*i:i+Math.abs(a)*a}function calculatePenalty(e,t){var a=0;return 10===e&&(a-=1e4),40!==e&&65288!==e||(a+=50),41!==t&&65289!==t||(a+=50),a}function evaluateBreak(e,t,a,r,i,n){for(var l=null,c=calculateBadness(t,a,i,n),o=0,s=r;o<s.length;o+=1){var h=s[o],g=t-h.x,u=calculateBadness(g,a,i,n)+h.badness;u<=c&&(l=h,c=u)}return{index:e,x:t,priorBreak:l,badness:c}}function leastBadBreaks(e){return e?leastBadBreaks(e.priorBreak).concat(e.index):[]}function determineLineBreaks(e,t,a,r){if(!a)return[];if(!e)return[];for(var i=[],n=determineAverageLineWidth(e,t,a,r),l=0,c=0;c<e.length;c++){var o=e.charCodeAt(c),s=r[o];s&&!whitespace[o]&&(l+=s.metrics.advance+t),c<e.length-1&&(breakable[o]||scriptDetection.charAllowsIdeographicBreaking(o))&&i.push(evaluateBreak(c+1,l,n,i,calculatePenalty(o,e.charCodeAt(c+1)),!1))}return leastBadBreaks(evaluateBreak(e.length,l,n,i,0,!0))}function getAnchorAlignment(e){var t=.5,a=.5;switch(e){case\"right\":case\"top-right\":case\"bottom-right\":t=1;break;case\"left\":case\"top-left\":case\"bottom-left\":t=0}switch(e){case\"bottom\":case\"bottom-right\":case\"bottom-left\":a=1;break;case\"top\":case\"top-right\":case\"top-left\":a=0}return{horizontalAlign:t,verticalAlign:a}}function shapeLines(e,t,a,r,i,n,l,c,o){for(var s=0,h=-17,g=0,u=e.positionedGlyphs,p=\"right\"===n?1:\"left\"===n?0:.5,b=0,v=a;b<v.length;b+=1){var d=v[b];if(d=d.trim(),d.length){for(var f=u.length,k=0;k<d.length;k++){var m=d.charCodeAt(k),x=t[m];x&&(scriptDetection.charHasUprightVerticalOrientation(m)&&l!==WritingMode.horizontal?(u.push({glyph:m,x:s,y:0,vertical:!0}),s+=o+c):(u.push({glyph:m,x:s,y:h,vertical:!1}),s+=x.metrics.advance+c))}if(u.length!==f){var A=s-c;g=Math.max(A,g),justifyLine(u,t,f,u.length-1,p)}s=0,h+=r}else h+=r}var B=getAnchorAlignment(i),y=B.horizontalAlign,w=B.verticalAlign;align(u,p,y,w,g,r,a.length);var z=a.length*r;e.top+=-w*z,e.bottom=e.top+z,e.left+=-y*g,e.right=e.left+g}function justifyLine(e,t,a,r,i){if(i){var n=t[e[r].glyph];if(n)for(var l=n.metrics.advance,c=(e[r].x+l)*i,o=a;o<=r;o++)e[o].x-=c}}function align(e,t,a,r,i,n,l){for(var c=(t-a)*i,o=(-r*l+.5)*n,s=0;s<e.length;s++)e[s].x+=c,e[s].y+=o}function shapeIcon(e,t,a){var r=getAnchorAlignment(a),i=r.horizontalAlign,n=r.verticalAlign,l=t[0],c=t[1],o=l-e.displaySize[0]*i,s=o+e.displaySize[0],h=c-e.displaySize[1]*n;return{image:e,top:h,bottom:h+e.displaySize[1],left:o,right:s}}var scriptDetection=_dereq_(\"../util/script_detection\"),verticalizePunctuation=_dereq_(\"../util/verticalize_punctuation\"),rtlTextPlugin=_dereq_(\"../source/rtl_text_plugin\"),WritingMode={horizontal:1,vertical:2};module.exports={shapeText:shapeText,shapeIcon:shapeIcon,WritingMode:WritingMode};var whitespace={};whitespace[9]=!0,whitespace[10]=!0,whitespace[11]=!0,whitespace[12]=!0,whitespace[13]=!0,whitespace[32]=!0;var breakable={};breakable[10]=!0,breakable[32]=!0,breakable[38]=!0,breakable[40]=!0,breakable[41]=!0,breakable[43]=!0,breakable[45]=!0,breakable[47]=!0,breakable[173]=!0,breakable[183]=!0,breakable[8203]=!0,breakable[8208]=!0,breakable[8211]=!0,breakable[8231]=!0;\n},{\"../source/rtl_text_plugin\":96,\"../util/script_detection\":218,\"../util/verticalize_punctuation\":225}],178:[function(_dereq_,module,exports){\n\"use strict\";function evaluateSizeForFeature(e,o,t){var i=o;return e.isFeatureConstant?i.uSize:e.isZoomConstant?t.lowerSize/10:interpolate.number(t.lowerSize/10,t.upperSize/10,i.uSizeT)}function evaluateSizeForZoom(e,o,t,i){var a={};if(e.isZoomConstant||e.isFeatureConstant)if(e.isFeatureConstant&&!e.isZoomConstant){var n;if(\"interval\"===e.functionType)n=t.getLayoutValue(i?\"text-size\":\"icon-size\",{zoom:o.zoom});else{var r=\"interval\"===e.functionType?0:interpolationFactor(o.zoom,e.functionBase,e.coveringZoomRange[0],e.coveringZoomRange[1]),u=e.coveringStopValues[0],l=e.coveringStopValues[1];n=u+(l-u)*util.clamp(r,0,1)}a.uSize=n}else e.isFeatureConstant&&e.isZoomConstant&&(a.uSize=e.layoutSize);else{var s=interpolationFactor(o.zoom,e.functionBase,e.coveringZoomRange[0],e.coveringZoomRange[1]);a.uSizeT=util.clamp(s,0,1)}return a}var interpolate=_dereq_(\"../style-spec/util/interpolate\"),ref=_dereq_(\"../style-spec/function\"),interpolationFactor=ref.interpolationFactor,util=_dereq_(\"../util/util\");module.exports={evaluateSizeForFeature:evaluateSizeForFeature,evaluateSizeForZoom:evaluateSizeForZoom};\n},{\"../style-spec/function\":112,\"../style-spec/util/interpolate\":127,\"../util/util\":223}],179:[function(_dereq_,module,exports){\n\"use strict\";var rtlTextPlugin=_dereq_(\"../source/rtl_text_plugin\");module.exports=function(e,r,t,a){var l=r.getLayoutValue(\"text-transform\",t,a);return\"uppercase\"===l?e=e.toLocaleUpperCase():\"lowercase\"===l&&(e=e.toLocaleLowerCase()),rtlTextPlugin.applyArabicShaping&&(e=rtlTextPlugin.applyArabicShaping(e)),e};\n},{\"../source/rtl_text_plugin\":96}],180:[function(_dereq_,module,exports){\n\"use strict\";var DOM=_dereq_(\"../util/dom\"),Point=_dereq_(\"@mapbox/point-geometry\"),handlers={scrollZoom:_dereq_(\"./handler/scroll_zoom\"),boxZoom:_dereq_(\"./handler/box_zoom\"),dragRotate:_dereq_(\"./handler/drag_rotate\"),dragPan:_dereq_(\"./handler/drag_pan\"),keyboard:_dereq_(\"./handler/keyboard\"),doubleClickZoom:_dereq_(\"./handler/dblclick_zoom\"),touchZoomRotate:_dereq_(\"./handler/touch_zoom_rotate\")};module.exports=function(e,t){function n(e){h(\"mouseout\",e)}function o(t){e.stop(),L=DOM.mousePos(g,t),h(\"mousedown\",t),E=!0}function r(t){var n=e.dragRotate&&e.dragRotate.isActive();p&&!n&&h(\"contextmenu\",p),p=null,E=!1,h(\"mouseup\",t)}function a(t){if(!(e.dragPan&&e.dragPan.isActive()||e.dragRotate&&e.dragRotate.isActive())){for(var n=t.toElement||t.target;n&&n!==g;)n=n.parentNode;n===g&&h(\"mousemove\",t)}}function u(t){e.stop(),f(\"touchstart\",t),!t.touches||t.touches.length>1||(b?(clearTimeout(b),b=null,h(\"dblclick\",t)):b=setTimeout(l,300))}function i(e){f(\"touchmove\",e)}function c(e){f(\"touchend\",e)}function d(e){f(\"touchcancel\",e)}function l(){b=null}function s(e){DOM.mousePos(g,e).equals(L)&&h(\"click\",e)}function m(e){h(\"dblclick\",e),e.preventDefault()}function v(t){var n=e.dragRotate&&e.dragRotate.isActive();E||n?E&&(p=t):h(\"contextmenu\",t),t.preventDefault()}function h(t,n){var o=DOM.mousePos(g,n);return e.fire(t,{lngLat:e.unproject(o),point:o,originalEvent:n})}function f(t,n){var o=DOM.touchPos(g,n),r=o.reduce(function(e,t,n,o){return e.add(t.div(o.length))},new Point(0,0));return e.fire(t,{lngLat:e.unproject(r),point:r,lngLats:o.map(function(t){return e.unproject(t)},this),points:o,originalEvent:n})}var g=e.getCanvasContainer(),p=null,E=!1,L=null,b=null;for(var q in handlers)e[q]=new handlers[q](e,t),t.interactive&&t[q]&&e[q].enable(t[q]);g.addEventListener(\"mouseout\",n,!1),g.addEventListener(\"mousedown\",o,!1),g.addEventListener(\"mouseup\",r,!1),g.addEventListener(\"mousemove\",a,!1),g.addEventListener(\"touchstart\",u,!1),g.addEventListener(\"touchend\",c,!1),g.addEventListener(\"touchmove\",i,!1),g.addEventListener(\"touchcancel\",d,!1),g.addEventListener(\"click\",s,!1),g.addEventListener(\"dblclick\",m,!1),g.addEventListener(\"contextmenu\",v,!1)};\n},{\"../util/dom\":209,\"./handler/box_zoom\":189,\"./handler/dblclick_zoom\":190,\"./handler/drag_pan\":191,\"./handler/drag_rotate\":192,\"./handler/keyboard\":193,\"./handler/scroll_zoom\":194,\"./handler/touch_zoom_rotate\":195,\"@mapbox/point-geometry\":2}],181:[function(_dereq_,module,exports){\n\"use strict\";var util=_dereq_(\"../util/util\"),interpolate=_dereq_(\"../style-spec/util/interpolate\"),browser=_dereq_(\"../util/browser\"),LngLat=_dereq_(\"../geo/lng_lat\"),LngLatBounds=_dereq_(\"../geo/lng_lat_bounds\"),Point=_dereq_(\"@mapbox/point-geometry\"),Evented=_dereq_(\"../util/evented\"),Camera=function(t){function e(e,i){t.call(this),this.moving=!1,this.transform=e,this._bearingSnap=i.bearingSnap}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.getCenter=function(){return this.transform.center},e.prototype.setCenter=function(t,e){return this.jumpTo({center:t},e)},e.prototype.panBy=function(t,e,i){return t=Point.convert(t).mult(-1),this.panTo(this.transform.center,util.extend({offset:t},e),i)},e.prototype.panTo=function(t,e,i){return this.easeTo(util.extend({center:t},e),i)},e.prototype.getZoom=function(){return this.transform.zoom},e.prototype.setZoom=function(t,e){return this.jumpTo({zoom:t},e),this},e.prototype.zoomTo=function(t,e,i){return this.easeTo(util.extend({zoom:t},e),i)},e.prototype.zoomIn=function(t,e){return this.zoomTo(this.getZoom()+1,t,e),this},e.prototype.zoomOut=function(t,e){return this.zoomTo(this.getZoom()-1,t,e),this},e.prototype.getBearing=function(){return this.transform.bearing},e.prototype.setBearing=function(t,e){return this.jumpTo({bearing:t},e),this},e.prototype.rotateTo=function(t,e,i){return this.easeTo(util.extend({bearing:t},e),i)},e.prototype.resetNorth=function(t,e){return this.rotateTo(0,util.extend({duration:1e3},t),e),this},e.prototype.snapToNorth=function(t,e){return Math.abs(this.getBearing())<this._bearingSnap?this.resetNorth(t,e):this},e.prototype.getPitch=function(){return this.transform.pitch},e.prototype.setPitch=function(t,e){return this.jumpTo({pitch:t},e),this},e.prototype.fitBounds=function(t,e,i){if(e=util.extend({padding:{top:0,bottom:0,right:0,left:0},offset:[0,0],maxZoom:this.transform.maxZoom},e),\"number\"==typeof e.padding){var o=e.padding;e.padding={top:o,bottom:o,right:o,left:o}}if(!util.deepEqual(Object.keys(e.padding).sort(function(t,e){return t<e?-1:t>e?1:0}),[\"bottom\",\"left\",\"right\",\"top\"]))return util.warnOnce(\"options.padding must be a positive number, or an Object with keys 'bottom', 'left', 'right', 'top'\"),this;t=LngLatBounds.convert(t);var n=[e.padding.left-e.padding.right,e.padding.top-e.padding.bottom],r=Math.min(e.padding.right,e.padding.left),a=Math.min(e.padding.top,e.padding.bottom);e.offset=[e.offset[0]+n[0],e.offset[1]+n[1]];var s=Point.convert(e.offset),h=this.transform,p=h.project(t.getNorthWest()),u=h.project(t.getSouthEast()),c=u.sub(p),m=(h.width-2*r-2*Math.abs(s.x))/c.x,f=(h.height-2*a-2*Math.abs(s.y))/c.y;return f<0||m<0?(util.warnOnce(\"Map cannot fit within canvas with the given bounds, padding, and/or offset.\"),this):(e.center=h.unproject(p.add(u).div(2)),e.zoom=Math.min(h.scaleZoom(h.scale*Math.min(m,f)),e.maxZoom),e.bearing=0,e.linear?this.easeTo(e,i):this.flyTo(e,i))},e.prototype.jumpTo=function(t,e){this.stop();var i=this.transform,o=!1,n=!1,r=!1;return\"zoom\"in t&&i.zoom!==+t.zoom&&(o=!0,i.zoom=+t.zoom),void 0!==t.center&&(i.center=LngLat.convert(t.center)),\"bearing\"in t&&i.bearing!==+t.bearing&&(n=!0,i.bearing=+t.bearing),\"pitch\"in t&&i.pitch!==+t.pitch&&(r=!0,i.pitch=+t.pitch),this.fire(\"movestart\",e).fire(\"move\",e),o&&this.fire(\"zoomstart\",e).fire(\"zoom\",e).fire(\"zoomend\",e),n&&this.fire(\"rotate\",e),r&&this.fire(\"pitchstart\",e).fire(\"pitch\",e).fire(\"pitchend\",e),this.fire(\"moveend\",e)},e.prototype.easeTo=function(t,e){var i=this;this.stop(),t=util.extend({offset:[0,0],duration:500,easing:util.ease},t),!1===t.animate&&(t.duration=0),t.smoothEasing&&0!==t.duration&&(t.easing=this._smoothOutEasing(t.duration));var o=this.transform,n=this.getZoom(),r=this.getBearing(),a=this.getPitch(),s=\"zoom\"in t?+t.zoom:n,h=\"bearing\"in t?this._normalizeBearing(t.bearing,r):r,p=\"pitch\"in t?+t.pitch:a,u=o.centerPoint.add(Point.convert(t.offset)),c=o.pointLocation(u),m=LngLat.convert(t.center||c);this._normalizeCenter(m);var f,g,d=o.project(c),l=o.project(m).sub(d),v=o.zoomScale(s-n);return t.around&&(f=LngLat.convert(t.around),g=o.locationPoint(f)),this.zooming=s!==n,this.rotating=r!==h,this.pitching=p!==a,this._prepareEase(e,t.noMoveStart),clearTimeout(this._onEaseEnd),this._ease(function(t){if(this.zooming&&(o.zoom=interpolate(n,s,t)),this.rotating&&(o.bearing=interpolate(r,h,t)),this.pitching&&(o.pitch=interpolate(a,p,t)),f)o.setLocationAtPoint(f,g);else{var i=o.zoomScale(o.zoom-n),c=s>n?Math.min(2,v):Math.max(.5,v),m=Math.pow(c,1-t),b=o.unproject(d.add(l.mult(t*m)).mult(i));o.setLocationAtPoint(o.renderWorldCopies?b.wrap():b,u)}this._fireMoveEvents(e)},function(){t.delayEndEvents?i._onEaseEnd=setTimeout(function(){return i._easeToEnd(e)},t.delayEndEvents):i._easeToEnd(e)},t),this},e.prototype._prepareEase=function(t,e){this.moving=!0,e||this.fire(\"movestart\",t),this.zooming&&this.fire(\"zoomstart\",t),this.pitching&&this.fire(\"pitchstart\",t)},e.prototype._fireMoveEvents=function(t){this.fire(\"move\",t),this.zooming&&this.fire(\"zoom\",t),this.rotating&&this.fire(\"rotate\",t),this.pitching&&this.fire(\"pitch\",t)},e.prototype._easeToEnd=function(t){var e=this.zooming,i=this.pitching;this.moving=!1,this.zooming=!1,this.rotating=!1,this.pitching=!1,e&&this.fire(\"zoomend\",t),i&&this.fire(\"pitchend\",t),this.fire(\"moveend\",t)},e.prototype.flyTo=function(t,e){function i(t){var e=(M*M-z*z+(t?-1:1)*L*L*E*E)/(2*(t?M:z)*L*E);return Math.log(Math.sqrt(e*e+1)-e)}function o(t){return(Math.exp(t)-Math.exp(-t))/2}function n(t){return(Math.exp(t)+Math.exp(-t))/2}function r(t){return o(t)/n(t)}var a=this;this.stop(),t=util.extend({offset:[0,0],speed:1.2,curve:1.42,easing:util.ease},t);var s=this.transform,h=this.getZoom(),p=this.getBearing(),u=this.getPitch(),c=\"zoom\"in t?util.clamp(+t.zoom,s.minZoom,s.maxZoom):h,m=\"bearing\"in t?this._normalizeBearing(t.bearing,p):p,f=\"pitch\"in t?+t.pitch:u,g=s.zoomScale(c-h),d=s.centerPoint.add(Point.convert(t.offset)),l=s.pointLocation(d),v=LngLat.convert(t.center||l);this._normalizeCenter(v);var b=s.project(l),y=s.project(v).sub(b),_=t.curve,z=Math.max(s.width,s.height),M=z/g,E=y.mag();if(\"minZoom\"in t){var T=util.clamp(Math.min(t.minZoom,h,c),s.minZoom,s.maxZoom),x=z/s.zoomScale(T-h);_=Math.sqrt(x/E*2)}var L=_*_,j=i(0),Z=function(t){return n(j)/n(j+_*t)},w=function(t){return z*((n(j)*r(j+_*t)-o(j))/L)/E},P=(i(1)-j)/_;if(Math.abs(E)<1e-6||isNaN(P)){if(Math.abs(z-M)<1e-6)return this.easeTo(t,e);var q=M<z?-1:1;P=Math.abs(Math.log(M/z))/_,w=function(){return 0},Z=function(t){return Math.exp(q*_*t)}}if(\"duration\"in t)t.duration=+t.duration;else{var B=\"screenSpeed\"in t?+t.screenSpeed/_:+t.speed;t.duration=1e3*P/B}return this.zooming=!0,this.rotating=p!==m,this.pitching=f!==u,this._prepareEase(e,!1),this._ease(function(t){var i=t*P,o=1/Z(i);s.zoom=h+s.scaleZoom(o),this.rotating&&(s.bearing=interpolate(p,m,t)),this.pitching&&(s.pitch=interpolate(u,f,t));var n=s.unproject(b.add(y.mult(w(i))).mult(o));s.setLocationAtPoint(s.renderWorldCopies?n.wrap():n,d),this._fireMoveEvents(e)},function(){return a._easeToEnd(e)},t),this},e.prototype.isEasing=function(){return!!this._abortFn},e.prototype.isMoving=function(){return this.moving},e.prototype.stop=function(){return this._abortFn&&(this._abortFn(),this._finishEase()),this},e.prototype._ease=function(t,e,i){this._finishFn=e,this._abortFn=browser.timed(function(e){t.call(this,i.easing(e)),1===e&&this._finishEase()},!1===i.animate?0:i.duration,this)},e.prototype._finishEase=function(){delete this._abortFn;var t=this._finishFn;delete this._finishFn,t.call(this)},e.prototype._normalizeBearing=function(t,e){t=util.wrap(t,-180,180);var i=Math.abs(t-e);return Math.abs(t-360-e)<i&&(t-=360),Math.abs(t+360-e)<i&&(t+=360),t},e.prototype._normalizeCenter=function(t){var e=this.transform;if(e.renderWorldCopies&&!e.lngRange){var i=t.lng-e.center.lng;t.lng+=i>180?-360:i<-180?360:0}},e.prototype._smoothOutEasing=function(t){var e=util.ease;if(this._prevEase){var i=this._prevEase,o=(Date.now()-i.start)/i.duration,n=i.easing(o+.01)-i.easing(o),r=.27/Math.sqrt(n*n+1e-4)*.01,a=Math.sqrt(.0729-r*r);e=util.bezier(r,a,.25,1)}return this._prevEase={start:(new Date).getTime(),duration:t,easing:e},e},e}(Evented);module.exports=Camera;\n},{\"../geo/lng_lat\":58,\"../geo/lng_lat_bounds\":59,\"../style-spec/util/interpolate\":127,\"../util/browser\":202,\"../util/evented\":210,\"../util/util\":223,\"@mapbox/point-geometry\":2}],182:[function(_dereq_,module,exports){\n\"use strict\";var DOM=_dereq_(\"../../util/dom\"),util=_dereq_(\"../../util/util\"),config=_dereq_(\"../../util/config\"),AttributionControl=function(t){this.options=t,util.bindAll([\"_updateEditLink\",\"_updateData\",\"_updateCompact\"],this)};AttributionControl.prototype.getDefaultPosition=function(){return\"bottom-right\"},AttributionControl.prototype.onAdd=function(t){var i=this.options&&this.options.compact;return this._map=t,this._container=DOM.create(\"div\",\"mapboxgl-ctrl mapboxgl-ctrl-attrib\"),i&&this._container.classList.add(\"mapboxgl-compact\"),this._updateAttributions(),this._updateEditLink(),this._map.on(\"sourcedata\",this._updateData),this._map.on(\"moveend\",this._updateEditLink),void 0===i&&(this._map.on(\"resize\",this._updateCompact),this._updateCompact()),this._container},AttributionControl.prototype.onRemove=function(){DOM.remove(this._container),this._map.off(\"sourcedata\",this._updateData),this._map.off(\"moveend\",this._updateEditLink),this._map.off(\"resize\",this._updateCompact),this._map=void 0},AttributionControl.prototype._updateEditLink=function(){var t=this._editLink;t||(t=this._editLink=this._container.querySelector(\".mapbox-improve-map\"));var i=[{key:\"owner\",value:this.styleOwner},{key:\"id\",value:this.styleId},{key:\"access_token\",value:config.ACCESS_TOKEN}];if(t){var o=i.reduce(function(t,o,e){return o.value&&(t+=o.key+\"=\"+o.value+(e<i.length-1?\"&\":\"\")),t},\"?\");t.href=\"https://www.mapbox.com/feedback/\"+o+(this._map._hash?this._map._hash.getHashString(!0):\"\")}},AttributionControl.prototype._updateData=function(t){t&&\"metadata\"===t.sourceDataType&&(this._updateAttributions(),this._updateEditLink())},AttributionControl.prototype._updateAttributions=function(){if(this._map.style){var t=[];if(this._map.style.stylesheet){var i=this._map.style.stylesheet;this.styleOwner=i.owner,this.styleId=i.id}var o=this._map.style.sourceCaches;for(var e in o){var n=o[e].getSource();n.attribution&&t.indexOf(n.attribution)<0&&t.push(n.attribution)}t.sort(function(t,i){return t.length-i.length}),t=t.filter(function(i,o){for(var e=o+1;e<t.length;e++)if(t[e].indexOf(i)>=0)return!1;return!0}),this._container.innerHTML=t.join(\" | \"),this._editLink=null}},AttributionControl.prototype._updateCompact=function(){this._map.getCanvasContainer().offsetWidth<=640?this._container.classList.add(\"mapboxgl-compact\"):this._container.classList.remove(\"mapboxgl-compact\")},module.exports=AttributionControl;\n},{\"../../util/config\":206,\"../../util/dom\":209,\"../../util/util\":223}],183:[function(_dereq_,module,exports){\n\"use strict\";var DOM=_dereq_(\"../../util/dom\"),util=_dereq_(\"../../util/util\"),window=_dereq_(\"../../util/window\"),FullscreenControl=function(){this._fullscreen=!1,util.bindAll([\"_onClickFullscreen\",\"_changeIcon\"],this),\"onfullscreenchange\"in window.document?this._fullscreenchange=\"fullscreenchange\":\"onmozfullscreenchange\"in window.document?this._fullscreenchange=\"mozfullscreenchange\":\"onwebkitfullscreenchange\"in window.document?this._fullscreenchange=\"webkitfullscreenchange\":\"onmsfullscreenchange\"in window.document&&(this._fullscreenchange=\"MSFullscreenChange\"),this._className=\"mapboxgl-ctrl\"};FullscreenControl.prototype.onAdd=function(e){return this._map=e,this._mapContainer=this._map.getContainer(),this._container=DOM.create(\"div\",this._className+\" mapboxgl-ctrl-group\"),this._checkFullscreenSupport()?this._setupUI():(this._container.style.display=\"none\",util.warnOnce(\"This device does not support fullscreen mode.\")),this._container},FullscreenControl.prototype.onRemove=function(){DOM.remove(this._container),this._map=null,window.document.removeEventListener(this._fullscreenchange,this._changeIcon)},FullscreenControl.prototype._checkFullscreenSupport=function(){return!!(window.document.fullscreenEnabled||window.document.mozFullScreenEnabled||window.document.msFullscreenEnabled||window.document.webkitFullscreenEnabled)},FullscreenControl.prototype._setupUI=function(){var e=this._fullscreenButton=DOM.create(\"button\",this._className+\"-icon \"+this._className+\"-fullscreen\",this._container);e.setAttribute(\"aria-label\",\"Toggle fullscreen\"),e.type=\"button\",this._fullscreenButton.addEventListener(\"click\",this._onClickFullscreen),window.document.addEventListener(this._fullscreenchange,this._changeIcon)},FullscreenControl.prototype._isFullscreen=function(){return this._fullscreen},FullscreenControl.prototype._changeIcon=function(){(window.document.fullscreenElement||window.document.mozFullScreenElement||window.document.webkitFullscreenElement||window.document.msFullscreenElement)===this._mapContainer!==this._fullscreen&&(this._fullscreen=!this._fullscreen,this._fullscreenButton.classList.toggle(this._className+\"-shrink\"),this._fullscreenButton.classList.toggle(this._className+\"-fullscreen\"))},FullscreenControl.prototype._onClickFullscreen=function(){this._isFullscreen()?window.document.exitFullscreen?window.document.exitFullscreen():window.document.mozCancelFullScreen?window.document.mozCancelFullScreen():window.document.msExitFullscreen?window.document.msExitFullscreen():window.document.webkitCancelFullScreen&&window.document.webkitCancelFullScreen():this._mapContainer.requestFullscreen?this._mapContainer.requestFullscreen():this._mapContainer.mozRequestFullScreen?this._mapContainer.mozRequestFullScreen():this._mapContainer.msRequestFullscreen?this._mapContainer.msRequestFullscreen():this._mapContainer.webkitRequestFullscreen&&this._mapContainer.webkitRequestFullscreen()},module.exports=FullscreenControl;\n},{\"../../util/dom\":209,\"../../util/util\":223,\"../../util/window\":204}],184:[function(_dereq_,module,exports){\n\"use strict\";function checkGeolocationSupport(t){void 0!==supportsGeolocation?t(supportsGeolocation):void 0!==window.navigator.permissions?window.navigator.permissions.query({name:\"geolocation\"}).then(function(o){supportsGeolocation=\"denied\"!==o.state,t(supportsGeolocation)}):(supportsGeolocation=!!window.navigator.geolocation,t(supportsGeolocation))}var Evented=_dereq_(\"../../util/evented\"),DOM=_dereq_(\"../../util/dom\"),window=_dereq_(\"../../util/window\"),util=_dereq_(\"../../util/util\"),LngLat=_dereq_(\"../../geo/lng_lat\"),Marker=_dereq_(\"../marker\"),defaultOptions={positionOptions:{enableHighAccuracy:!1,timeout:6e3},fitBoundsOptions:{maxZoom:15},trackUserLocation:!1,showUserLocation:!0},className=\"mapboxgl-ctrl\",supportsGeolocation,GeolocateControl=function(t){function o(o){t.call(this),this.options=util.extend({},defaultOptions,o),util.bindAll([\"_onSuccess\",\"_onError\",\"_finish\",\"_setupUI\",\"_updateCamera\",\"_updateMarker\",\"_onClickGeolocate\"],this)}return t&&(o.__proto__=t),o.prototype=Object.create(t&&t.prototype),o.prototype.constructor=o,o.prototype.onAdd=function(t){return this._map=t,this._container=DOM.create(\"div\",className+\" \"+className+\"-group\"),checkGeolocationSupport(this._setupUI),this._container},o.prototype.onRemove=function(){void 0!==this._geolocationWatchID&&(window.navigator.geolocation.clearWatch(this._geolocationWatchID),this._geolocationWatchID=void 0),this.options.showUserLocation&&this._userLocationDotMarker.remove(),DOM.remove(this._container),this._map=void 0},o.prototype._onSuccess=function(t){if(this.options.trackUserLocation)switch(this._lastKnownPosition=t,this._watchState){case\"WAITING_ACTIVE\":case\"ACTIVE_LOCK\":case\"ACTIVE_ERROR\":this._watchState=\"ACTIVE_LOCK\",this._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-waiting\"),this._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-active-error\"),this._geolocateButton.classList.add(\"mapboxgl-ctrl-geolocate-active\");break;case\"BACKGROUND\":case\"BACKGROUND_ERROR\":this._watchState=\"BACKGROUND\",this._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-waiting\"),this._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-background-error\"),this._geolocateButton.classList.add(\"mapboxgl-ctrl-geolocate-background\")}this.options.showUserLocation&&\"OFF\"!==this._watchState&&this._updateMarker(t),this.options.trackUserLocation&&\"ACTIVE_LOCK\"!==this._watchState||this._updateCamera(t),this.options.showUserLocation&&this._dotElement.classList.remove(\"mapboxgl-user-location-dot-stale\"),this.fire(\"geolocate\",t),this._finish()},o.prototype._updateCamera=function(t){var o=new LngLat(t.coords.longitude,t.coords.latitude),e=t.coords.accuracy;this._map.fitBounds(o.toBounds(e),this.options.fitBoundsOptions,{geolocateSource:!0})},o.prototype._updateMarker=function(t){t?this._userLocationDotMarker.setLngLat([t.coords.longitude,t.coords.latitude]).addTo(this._map):this._userLocationDotMarker.remove()},o.prototype._onError=function(t){if(this.options.trackUserLocation)if(1===t.code)this._watchState=\"OFF\",this._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-waiting\"),this._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-active\"),this._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-active-error\"),this._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-background\"),this._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-background-error\"),void 0!==this._geolocationWatchID&&this._clearWatch();else switch(this._watchState){case\"WAITING_ACTIVE\":this._watchState=\"ACTIVE_ERROR\",this._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-active\"),this._geolocateButton.classList.add(\"mapboxgl-ctrl-geolocate-active-error\");break;case\"ACTIVE_LOCK\":this._watchState=\"ACTIVE_ERROR\",this._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-active\"),this._geolocateButton.classList.add(\"mapboxgl-ctrl-geolocate-active-error\"),this._geolocateButton.classList.add(\"mapboxgl-ctrl-geolocate-waiting\");break;case\"BACKGROUND\":this._watchState=\"BACKGROUND_ERROR\",this._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-background\"),this._geolocateButton.classList.add(\"mapboxgl-ctrl-geolocate-background-error\"),this._geolocateButton.classList.add(\"mapboxgl-ctrl-geolocate-waiting\")}\"OFF\"!==this._watchState&&this.options.showUserLocation&&this._dotElement.classList.add(\"mapboxgl-user-location-dot-stale\"),this.fire(\"error\",t),this._finish()},o.prototype._finish=function(){this._timeoutId&&clearTimeout(this._timeoutId),this._timeoutId=void 0},o.prototype._setupUI=function(t){var o=this;!1!==t&&(this._container.addEventListener(\"contextmenu\",function(t){return t.preventDefault()}),this._geolocateButton=DOM.create(\"button\",className+\"-icon \"+className+\"-geolocate\",this._container),this._geolocateButton.type=\"button\",this._geolocateButton.setAttribute(\"aria-label\",\"Geolocate\"),this.options.trackUserLocation&&(this._geolocateButton.setAttribute(\"aria-pressed\",\"false\"),this._watchState=\"OFF\"),this.options.showUserLocation&&(this._dotElement=DOM.create(\"div\",\"mapboxgl-user-location-dot\"),this._userLocationDotMarker=new Marker(this._dotElement),this.options.trackUserLocation&&(this._watchState=\"OFF\")),this._geolocateButton.addEventListener(\"click\",this._onClickGeolocate.bind(this)),this.options.trackUserLocation&&this._map.on(\"movestart\",function(t){t.geolocateSource||\"ACTIVE_LOCK\"!==o._watchState||(o._watchState=\"BACKGROUND\",o._geolocateButton.classList.add(\"mapboxgl-ctrl-geolocate-background\"),o._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-active\"),o.fire(\"trackuserlocationend\"))}))},o.prototype._onClickGeolocate=function(){if(this.options.trackUserLocation){switch(this._watchState){case\"OFF\":this._watchState=\"WAITING_ACTIVE\",this.fire(\"trackuserlocationstart\");break;case\"WAITING_ACTIVE\":case\"ACTIVE_LOCK\":case\"ACTIVE_ERROR\":case\"BACKGROUND_ERROR\":this._watchState=\"OFF\",this._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-waiting\"),this._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-active\"),this._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-active-error\"),this._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-background\"),this._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-background-error\"),this.fire(\"trackuserlocationend\");break;case\"BACKGROUND\":this._watchState=\"ACTIVE_LOCK\",this._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-background\"),this._lastKnownPosition&&this._updateCamera(this._lastKnownPosition),this.fire(\"trackuserlocationstart\")}switch(this._watchState){case\"WAITING_ACTIVE\":this._geolocateButton.classList.add(\"mapboxgl-ctrl-geolocate-waiting\"),this._geolocateButton.classList.add(\"mapboxgl-ctrl-geolocate-active\");break;case\"ACTIVE_LOCK\":this._geolocateButton.classList.add(\"mapboxgl-ctrl-geolocate-active\");break;case\"ACTIVE_ERROR\":this._geolocateButton.classList.add(\"mapboxgl-ctrl-geolocate-waiting\"),this._geolocateButton.classList.add(\"mapboxgl-ctrl-geolocate-active-error\");break;case\"BACKGROUND\":this._geolocateButton.classList.add(\"mapboxgl-ctrl-geolocate-background\");break;case\"BACKGROUND_ERROR\":this._geolocateButton.classList.add(\"mapboxgl-ctrl-geolocate-waiting\"),this._geolocateButton.classList.add(\"mapboxgl-ctrl-geolocate-background-error\")}\"OFF\"===this._watchState&&void 0!==this._geolocationWatchID?this._clearWatch():void 0===this._geolocationWatchID&&(this._geolocateButton.classList.add(\"mapboxgl-ctrl-geolocate-waiting\"),this._geolocateButton.setAttribute(\"aria-pressed\",\"true\"),this._geolocationWatchID=window.navigator.geolocation.watchPosition(this._onSuccess,this._onError,this.options.positionOptions))}else window.navigator.geolocation.getCurrentPosition(this._onSuccess,this._onError,this.options.positionOptions),this._timeoutId=setTimeout(this._finish,1e4)},o.prototype._clearWatch=function(){window.navigator.geolocation.clearWatch(this._geolocationWatchID),this._geolocationWatchID=void 0,this._geolocateButton.classList.remove(\"mapboxgl-ctrl-geolocate-waiting\"),this._geolocateButton.setAttribute(\"aria-pressed\",\"false\"),this.options.showUserLocation&&this._updateMarker(null)},o}(Evented);module.exports=GeolocateControl;\n},{\"../../geo/lng_lat\":58,\"../../util/dom\":209,\"../../util/evented\":210,\"../../util/util\":223,\"../../util/window\":204,\"../marker\":198}],185:[function(_dereq_,module,exports){\n\"use strict\";var DOM=_dereq_(\"../../util/dom\"),util=_dereq_(\"../../util/util\"),LogoControl=function(){util.bindAll([\"_updateLogo\"],this)};LogoControl.prototype.onAdd=function(o){this._map=o,this._container=DOM.create(\"div\",\"mapboxgl-ctrl\");var t=DOM.create(\"a\",\"mapboxgl-ctrl-logo\");return t.target=\"_blank\",t.href=\"https://www.mapbox.com/\",t.setAttribute(\"aria-label\",\"Mapbox logo\"),this._container.appendChild(t),this._container.style.display=\"none\",this._map.on(\"sourcedata\",this._updateLogo),this._updateLogo(),this._container},LogoControl.prototype.onRemove=function(){DOM.remove(this._container),this._map.off(\"sourcedata\",this._updateLogo)},LogoControl.prototype.getDefaultPosition=function(){return\"bottom-left\"},LogoControl.prototype._updateLogo=function(o){o&&\"metadata\"!==o.sourceDataType||(this._container.style.display=this._logoRequired()?\"block\":\"none\")},LogoControl.prototype._logoRequired=function(){if(this._map.style){var o=this._map.style.sourceCaches;for(var t in o){if(o[t].getSource().mapbox_logo)return!0}return!1}},module.exports=LogoControl;\n},{\"../../util/dom\":209,\"../../util/util\":223}],186:[function(_dereq_,module,exports){\n\"use strict\";var DOM=_dereq_(\"../../util/dom\"),util=_dereq_(\"../../util/util\"),DragRotateHandler=_dereq_(\"../handler/drag_rotate\"),NavigationControl=function(){var t=this;util.bindAll([\"_rotateCompassArrow\"],this),this._container=DOM.create(\"div\",\"mapboxgl-ctrl mapboxgl-ctrl-group\"),this._container.addEventListener(\"contextmenu\",function(t){return t.preventDefault()}),this._zoomInButton=this._createButton(\"mapboxgl-ctrl-icon mapboxgl-ctrl-zoom-in\",\"Zoom In\",function(){return t._map.zoomIn()}),this._zoomOutButton=this._createButton(\"mapboxgl-ctrl-icon mapboxgl-ctrl-zoom-out\",\"Zoom Out\",function(){return t._map.zoomOut()}),this._compass=this._createButton(\"mapboxgl-ctrl-icon mapboxgl-ctrl-compass\",\"Reset North\",function(){return t._map.resetNorth()}),this._compassArrow=DOM.create(\"span\",\"mapboxgl-ctrl-compass-arrow\",this._compass)};NavigationControl.prototype._rotateCompassArrow=function(){var t=\"rotate(\"+this._map.transform.angle*(180/Math.PI)+\"deg)\";this._compassArrow.style.transform=t},NavigationControl.prototype.onAdd=function(t){return this._map=t,this._map.on(\"rotate\",this._rotateCompassArrow),this._rotateCompassArrow(),this._handler=new DragRotateHandler(t,{button:\"left\",element:this._compass,pitchWithRotate:!1}),this._handler.enable(),this._container},NavigationControl.prototype.onRemove=function(){DOM.remove(this._container),this._map.off(\"rotate\",this._rotateCompassArrow),delete this._map,this._handler.disable(),delete this._handler},NavigationControl.prototype._createButton=function(t,o,r){var e=DOM.create(\"button\",t,this._container);return e.type=\"button\",e.setAttribute(\"aria-label\",o),e.addEventListener(\"click\",r),e},module.exports=NavigationControl;\n},{\"../../util/dom\":209,\"../../util/util\":223,\"../handler/drag_rotate\":192}],187:[function(_dereq_,module,exports){\n\"use strict\";function updateScale(t,e,o){var n=o&&o.maxWidth||100,i=t._container.clientHeight/2,a=getDistance(t.unproject([0,i]),t.unproject([n,i]));if(o&&\"imperial\"===o.unit){var l=3.2808*a;if(l>5280){setScale(e,n,l/5280,\"mi\")}else setScale(e,n,l,\"ft\")}else if(o&&\"nautical\"===o.unit){var r=a/1852;setScale(e,n,r,\"nm\")}else setScale(e,n,a,\"m\")}function setScale(t,e,o,n){var i=getRoundNum(o),a=i/o;\"m\"===n&&i>=1e3&&(i/=1e3,n=\"km\"),t.style.width=e*a+\"px\",t.innerHTML=i+n}function getDistance(t,e){var o=Math.PI/180,n=t.lat*o,i=e.lat*o,a=Math.sin(n)*Math.sin(i)+Math.cos(n)*Math.cos(i)*Math.cos((e.lng-t.lng)*o);return 6371e3*Math.acos(Math.min(a,1))}function getRoundNum(t){var e=Math.pow(10,(\"\"+Math.floor(t)).length-1),o=t/e;return o=o>=10?10:o>=5?5:o>=3?3:o>=2?2:1,e*o}var DOM=_dereq_(\"../../util/dom\"),util=_dereq_(\"../../util/util\"),ScaleControl=function(t){this.options=t,util.bindAll([\"_onMove\"],this)};ScaleControl.prototype.getDefaultPosition=function(){return\"bottom-left\"},ScaleControl.prototype._onMove=function(){updateScale(this._map,this._container,this.options)},ScaleControl.prototype.onAdd=function(t){return this._map=t,this._container=DOM.create(\"div\",\"mapboxgl-ctrl mapboxgl-ctrl-scale\",t.getContainer()),this._map.on(\"move\",this._onMove),this._onMove(),this._container},ScaleControl.prototype.onRemove=function(){DOM.remove(this._container),this._map.off(\"move\",this._onMove),this._map=void 0},module.exports=ScaleControl;\n},{\"../../util/dom\":209,\"../../util/util\":223}],188:[function(_dereq_,module,exports){\n\"use strict\";\n},{}],189:[function(_dereq_,module,exports){\n\"use strict\";var DOM=_dereq_(\"../../util/dom\"),LngLatBounds=_dereq_(\"../../geo/lng_lat_bounds\"),util=_dereq_(\"../../util/util\"),window=_dereq_(\"../../util/window\"),BoxZoomHandler=function(o){this._map=o,this._el=o.getCanvasContainer(),this._container=o.getContainer(),util.bindAll([\"_onMouseDown\",\"_onMouseMove\",\"_onMouseUp\",\"_onKeyDown\"],this)};BoxZoomHandler.prototype.isEnabled=function(){return!!this._enabled},BoxZoomHandler.prototype.isActive=function(){return!!this._active},BoxZoomHandler.prototype.enable=function(){this.isEnabled()||(this._map.dragPan&&this._map.dragPan.disable(),this._el.addEventListener(\"mousedown\",this._onMouseDown,!1),this._map.dragPan&&this._map.dragPan.enable(),this._enabled=!0)},BoxZoomHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener(\"mousedown\",this._onMouseDown),this._enabled=!1)},BoxZoomHandler.prototype._onMouseDown=function(o){o.shiftKey&&0===o.button&&(window.document.addEventListener(\"mousemove\",this._onMouseMove,!1),window.document.addEventListener(\"keydown\",this._onKeyDown,!1),window.document.addEventListener(\"mouseup\",this._onMouseUp,!1),DOM.disableDrag(),this._startPos=DOM.mousePos(this._el,o),this._active=!0)},BoxZoomHandler.prototype._onMouseMove=function(o){var e=this._startPos,t=DOM.mousePos(this._el,o);this._box||(this._box=DOM.create(\"div\",\"mapboxgl-boxzoom\",this._container),this._container.classList.add(\"mapboxgl-crosshair\"),this._fireEvent(\"boxzoomstart\",o));var n=Math.min(e.x,t.x),i=Math.max(e.x,t.x),s=Math.min(e.y,t.y),a=Math.max(e.y,t.y);DOM.setTransform(this._box,\"translate(\"+n+\"px,\"+s+\"px)\"),this._box.style.width=i-n+\"px\",this._box.style.height=a-s+\"px\"},BoxZoomHandler.prototype._onMouseUp=function(o){if(0===o.button){var e=this._startPos,t=DOM.mousePos(this._el,o),n=(new LngLatBounds).extend(this._map.unproject(e)).extend(this._map.unproject(t));this._finish(),e.x===t.x&&e.y===t.y?this._fireEvent(\"boxzoomcancel\",o):this._map.fitBounds(n,{linear:!0}).fire(\"boxzoomend\",{originalEvent:o,boxZoomBounds:n})}},BoxZoomHandler.prototype._onKeyDown=function(o){27===o.keyCode&&(this._finish(),this._fireEvent(\"boxzoomcancel\",o))},BoxZoomHandler.prototype._finish=function(){this._active=!1,window.document.removeEventListener(\"mousemove\",this._onMouseMove,!1),window.document.removeEventListener(\"keydown\",this._onKeyDown,!1),window.document.removeEventListener(\"mouseup\",this._onMouseUp,!1),this._container.classList.remove(\"mapboxgl-crosshair\"),this._box&&(DOM.remove(this._box),this._box=null),DOM.enableDrag()},BoxZoomHandler.prototype._fireEvent=function(o,e){return this._map.fire(o,{originalEvent:e})},module.exports=BoxZoomHandler;\n},{\"../../geo/lng_lat_bounds\":59,\"../../util/dom\":209,\"../../util/util\":223,\"../../util/window\":204}],190:[function(_dereq_,module,exports){\n\"use strict\";var util=_dereq_(\"../../util/util\"),DoubleClickZoomHandler=function(l){this._map=l,util.bindAll([\"_onDblClick\"],this)};DoubleClickZoomHandler.prototype.isEnabled=function(){return!!this._enabled},DoubleClickZoomHandler.prototype.enable=function(){this.isEnabled()||(this._map.on(\"dblclick\",this._onDblClick),this._enabled=!0)},DoubleClickZoomHandler.prototype.disable=function(){this.isEnabled()&&(this._map.off(\"dblclick\",this._onDblClick),this._enabled=!1)},DoubleClickZoomHandler.prototype._onDblClick=function(l){this._map.zoomTo(this._map.getZoom()+(l.originalEvent.shiftKey?-1:1),{around:l.lngLat},l)},module.exports=DoubleClickZoomHandler;\n},{\"../../util/util\":223}],191:[function(_dereq_,module,exports){\n\"use strict\";var DOM=_dereq_(\"../../util/dom\"),util=_dereq_(\"../../util/util\"),window=_dereq_(\"../../util/window\"),inertiaLinearity=.3,inertiaEasing=util.bezier(0,0,inertiaLinearity,1),inertiaMaxSpeed=1400,inertiaDeceleration=2500,DragPanHandler=function(t){this._map=t,this._el=t.getCanvasContainer(),util.bindAll([\"_onDown\",\"_onMove\",\"_onUp\",\"_onTouchEnd\",\"_onMouseUp\"],this)};DragPanHandler.prototype.isEnabled=function(){return!!this._enabled},DragPanHandler.prototype.isActive=function(){return!!this._active},DragPanHandler.prototype.enable=function(){this.isEnabled()||(this._el.classList.add(\"mapboxgl-touch-drag-pan\"),this._el.addEventListener(\"mousedown\",this._onDown),this._el.addEventListener(\"touchstart\",this._onDown),this._enabled=!0)},DragPanHandler.prototype.disable=function(){this.isEnabled()&&(this._el.classList.remove(\"mapboxgl-touch-drag-pan\"),this._el.removeEventListener(\"mousedown\",this._onDown),this._el.removeEventListener(\"touchstart\",this._onDown),this._enabled=!1)},DragPanHandler.prototype._onDown=function(t){this._ignoreEvent(t)||this.isActive()||(t.touches?(window.document.addEventListener(\"touchmove\",this._onMove),window.document.addEventListener(\"touchend\",this._onTouchEnd)):(window.document.addEventListener(\"mousemove\",this._onMove),window.document.addEventListener(\"mouseup\",this._onMouseUp)),window.addEventListener(\"blur\",this._onMouseUp),this._active=!1,this._startPos=this._pos=DOM.mousePos(this._el,t),this._inertia=[[Date.now(),this._pos]])},DragPanHandler.prototype._onMove=function(t){if(!this._ignoreEvent(t)){this.isActive()||(this._active=!0,this._map.moving=!0,this._fireEvent(\"dragstart\",t),this._fireEvent(\"movestart\",t));var e=DOM.mousePos(this._el,t),n=this._map;n.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),e]),n.transform.setLocationAtPoint(n.transform.pointLocation(this._pos),e),this._fireEvent(\"drag\",t),this._fireEvent(\"move\",t),this._pos=e,t.preventDefault()}},DragPanHandler.prototype._onUp=function(t){var e=this;if(this.isActive()){this._active=!1,this._fireEvent(\"dragend\",t),this._drainInertiaBuffer();var n=function(){e._map.moving=!1,e._fireEvent(\"moveend\",t)},i=this._inertia;if(i.length<2)return void n();var o=i[i.length-1],r=i[0],a=o[1].sub(r[1]),s=(o[0]-r[0])/1e3;if(0===s||o[1].equals(r[1]))return void n();var u=a.mult(inertiaLinearity/s),d=u.mag();d>inertiaMaxSpeed&&(d=inertiaMaxSpeed,u._unit()._mult(d));var h=d/(inertiaDeceleration*inertiaLinearity),v=u.mult(-h/2);this._map.panBy(v,{duration:1e3*h,easing:inertiaEasing,noMoveStart:!0},{originalEvent:t})}},DragPanHandler.prototype._onMouseUp=function(t){this._ignoreEvent(t)||(this._onUp(t),window.document.removeEventListener(\"mousemove\",this._onMove),window.document.removeEventListener(\"mouseup\",this._onMouseUp),window.removeEventListener(\"blur\",this._onMouseUp))},DragPanHandler.prototype._onTouchEnd=function(t){this._ignoreEvent(t)||(this._onUp(t),window.document.removeEventListener(\"touchmove\",this._onMove),window.document.removeEventListener(\"touchend\",this._onTouchEnd))},DragPanHandler.prototype._fireEvent=function(t,e){return this._map.fire(t,{originalEvent:e})},DragPanHandler.prototype._ignoreEvent=function(t){var e=this._map;return!(!e.boxZoom||!e.boxZoom.isActive())||(!(!e.dragRotate||!e.dragRotate.isActive())||(t.touches?t.touches.length>1:!!t.ctrlKey||\"mousemove\"!==t.type&&t.button&&0!==t.button))},DragPanHandler.prototype._drainInertiaBuffer=function(){for(var t=this._inertia,e=Date.now();t.length>0&&e-t[0][0]>160;)t.shift()},module.exports=DragPanHandler;\n},{\"../../util/dom\":209,\"../../util/util\":223,\"../../util/window\":204}],192:[function(_dereq_,module,exports){\n\"use strict\";var DOM=_dereq_(\"../../util/dom\"),util=_dereq_(\"../../util/util\"),window=_dereq_(\"../../util/window\"),inertiaLinearity=.25,inertiaEasing=util.bezier(0,0,inertiaLinearity,1),inertiaMaxSpeed=180,inertiaDeceleration=720,DragRotateHandler=function(t,e){this._map=t,this._el=e.element||t.getCanvasContainer(),this._button=e.button||\"right\",this._bearingSnap=e.bearingSnap||0,this._pitchWithRotate=!1!==e.pitchWithRotate,util.bindAll([\"_onDown\",\"_onMove\",\"_onUp\"],this)};DragRotateHandler.prototype.isEnabled=function(){return!!this._enabled},DragRotateHandler.prototype.isActive=function(){return!!this._active},DragRotateHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener(\"mousedown\",this._onDown),this._enabled=!0)},DragRotateHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener(\"mousedown\",this._onDown),this._enabled=!1)},DragRotateHandler.prototype._onDown=function(t){if(!(this._map.boxZoom&&this._map.boxZoom.isActive()||this._map.dragPan&&this._map.dragPan.isActive()||this.isActive())){if(\"right\"===this._button){var e=t.ctrlKey?0:2,i=t.button;if(void 0!==window.InstallTrigger&&2===t.button&&t.ctrlKey&&window.navigator.platform.toUpperCase().indexOf(\"MAC\")>=0&&(i=0),i!==e)return}else if(t.ctrlKey||0!==t.button)return;DOM.disableDrag(),window.document.addEventListener(\"mousemove\",this._onMove,{capture:!0}),window.document.addEventListener(\"mouseup\",this._onUp),window.addEventListener(\"blur\",this._onUp),this._active=!1,this._inertia=[[Date.now(),this._map.getBearing()]],this._startPos=this._pos=DOM.mousePos(this._el,t),this._center=this._map.transform.centerPoint,t.preventDefault()}},DragRotateHandler.prototype._onMove=function(t){this.isActive()||(this._active=!0,this._map.moving=!0,this._fireEvent(\"rotatestart\",t),this._fireEvent(\"movestart\",t),this._pitchWithRotate&&this._fireEvent(\"pitchstart\",t));var e=this._map;e.stop();var i=this._pos,n=DOM.mousePos(this._el,t),r=.8*(i.x-n.x),a=-.5*(i.y-n.y),o=e.getBearing()-r,s=e.getPitch()-a,h=this._inertia,_=h[h.length-1];this._drainInertiaBuffer(),h.push([Date.now(),e._normalizeBearing(o,_[1])]),e.transform.bearing=o,this._pitchWithRotate&&(this._fireEvent(\"pitch\",t),e.transform.pitch=s),this._fireEvent(\"rotate\",t),this._fireEvent(\"move\",t),this._pos=n},DragRotateHandler.prototype._onUp=function(t){var e=this;if(window.document.removeEventListener(\"mousemove\",this._onMove,{capture:!0}),window.document.removeEventListener(\"mouseup\",this._onUp),window.removeEventListener(\"blur\",this._onUp),DOM.enableDrag(),this.isActive()){this._active=!1,this._fireEvent(\"rotateend\",t),this._drainInertiaBuffer();var i=this._map,n=i.getBearing(),r=this._inertia,a=function(){Math.abs(n)<e._bearingSnap?i.resetNorth({noMoveStart:!0},{originalEvent:t}):(e._map.moving=!1,e._fireEvent(\"moveend\",t)),e._pitchWithRotate&&e._fireEvent(\"pitchend\",t)};if(r.length<2)return void a();var o=r[0],s=r[r.length-1],h=r[r.length-2],_=i._normalizeBearing(n,h[1]),p=s[1]-o[1],v=p<0?-1:1,d=(s[0]-o[0])/1e3;if(0===p||0===d)return void a();var l=Math.abs(p*(inertiaLinearity/d));l>inertiaMaxSpeed&&(l=inertiaMaxSpeed);var u=l/(inertiaDeceleration*inertiaLinearity);_+=v*l*(u/2),Math.abs(i._normalizeBearing(_,0))<this._bearingSnap&&(_=i._normalizeBearing(0,_)),i.rotateTo(_,{duration:1e3*u,easing:inertiaEasing,noMoveStart:!0},{originalEvent:t})}},DragRotateHandler.prototype._fireEvent=function(t,e){return this._map.fire(t,{originalEvent:e})},DragRotateHandler.prototype._drainInertiaBuffer=function(){for(var t=this._inertia,e=Date.now();t.length>0&&e-t[0][0]>160;)t.shift()},module.exports=DragRotateHandler;\n},{\"../../util/dom\":209,\"../../util/util\":223,\"../../util/window\":204}],193:[function(_dereq_,module,exports){\n\"use strict\";function easeOut(e){return e*(2-e)}var util=_dereq_(\"../../util/util\"),panStep=100,bearingStep=15,pitchStep=10,KeyboardHandler=function(e){this._map=e,this._el=e.getCanvasContainer(),util.bindAll([\"_onKeyDown\"],this)};KeyboardHandler.prototype.isEnabled=function(){return!!this._enabled},KeyboardHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener(\"keydown\",this._onKeyDown,!1),this._enabled=!0)},KeyboardHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener(\"keydown\",this._onKeyDown),this._enabled=!1)},KeyboardHandler.prototype._onKeyDown=function(e){if(!(e.altKey||e.ctrlKey||e.metaKey)){var t=0,a=0,n=0,r=0,i=0;switch(e.keyCode){case 61:case 107:case 171:case 187:t=1;break;case 189:case 109:case 173:t=-1;break;case 37:e.shiftKey?a=-1:(e.preventDefault(),r=-1);break;case 39:e.shiftKey?a=1:(e.preventDefault(),r=1);break;case 38:e.shiftKey?n=1:(e.preventDefault(),i=-1);break;case 40:e.shiftKey?n=-1:(i=1,e.preventDefault());break;default:return}var s=this._map,o=s.getZoom(),l={duration:300,delayEndEvents:500,easing:easeOut,zoom:t?Math.round(o)+t*(e.shiftKey?2:1):o,bearing:s.getBearing()+a*bearingStep,pitch:s.getPitch()+n*pitchStep,offset:[-r*panStep,-i*panStep],center:s.getCenter()};s.easeTo(l,{originalEvent:e})}},module.exports=KeyboardHandler;\n},{\"../../util/util\":223}],194:[function(_dereq_,module,exports){\n\"use strict\";var DOM=_dereq_(\"../../util/dom\"),util=_dereq_(\"../../util/util\"),browser=_dereq_(\"../../util/browser\"),window=_dereq_(\"../../util/window\"),ua=window.navigator.userAgent.toLowerCase(),firefox=-1!==ua.indexOf(\"firefox\"),safari=-1!==ua.indexOf(\"safari\")&&-1===ua.indexOf(\"chrom\"),ScrollZoomHandler=function(e){this._map=e,this._el=e.getCanvasContainer(),util.bindAll([\"_onWheel\",\"_onTimeout\"],this)};ScrollZoomHandler.prototype.isEnabled=function(){return!!this._enabled},ScrollZoomHandler.prototype.enable=function(e){this.isEnabled()||(this._el.addEventListener(\"wheel\",this._onWheel,!1),this._el.addEventListener(\"mousewheel\",this._onWheel,!1),this._enabled=!0,this._aroundCenter=e&&\"center\"===e.around)},ScrollZoomHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener(\"wheel\",this._onWheel),this._el.removeEventListener(\"mousewheel\",this._onWheel),this._enabled=!1)},ScrollZoomHandler.prototype._onWheel=function(e){var t=0;\"wheel\"===e.type?(t=e.deltaY,firefox&&e.deltaMode===window.WheelEvent.DOM_DELTA_PIXEL&&(t/=browser.devicePixelRatio),e.deltaMode===window.WheelEvent.DOM_DELTA_LINE&&(t*=40)):\"mousewheel\"===e.type&&(t=-e.wheelDeltaY,safari&&(t/=3));var o=browser.now(),i=o-(this._time||0);this._pos=DOM.mousePos(this._el,e),this._time=o,0!==t&&t%4.000244140625==0?this._type=\"wheel\":0!==t&&Math.abs(t)<4?this._type=\"trackpad\":i>400?(this._type=null,this._lastValue=t,this._timeout=setTimeout(this._onTimeout,40)):this._type||(this._type=Math.abs(i*t)<200?\"trackpad\":\"wheel\",this._timeout&&(clearTimeout(this._timeout),this._timeout=null,t+=this._lastValue)),e.shiftKey&&t&&(t/=4),this._type&&this._zoom(-t,e),e.preventDefault()},ScrollZoomHandler.prototype._onTimeout=function(){this._type=\"wheel\",this._zoom(-this._lastValue)},ScrollZoomHandler.prototype._zoom=function(e,t){if(0!==e){var o=this._map,i=2/(1+Math.exp(-Math.abs(e/100)));e<0&&0!==i&&(i=1/i);var l=o.ease?o.ease.to:o.transform.scale,s=o.transform.scaleZoom(l*i);o.zoomTo(s,{duration:\"wheel\"===this._type?200:0,around:this._aroundCenter?o.getCenter():o.unproject(this._pos),delayEndEvents:200,smoothEasing:!0},{originalEvent:t})}},module.exports=ScrollZoomHandler;\n},{\"../../util/browser\":202,\"../../util/dom\":209,\"../../util/util\":223,\"../../util/window\":204}],195:[function(_dereq_,module,exports){\n\"use strict\";var DOM=_dereq_(\"../../util/dom\"),util=_dereq_(\"../../util/util\"),window=_dereq_(\"../../util/window\"),inertiaLinearity=.15,inertiaEasing=util.bezier(0,0,inertiaLinearity,1),inertiaDeceleration=12,inertiaMaxSpeed=2.5,significantScaleThreshold=.15,significantRotateThreshold=10,TouchZoomRotateHandler=function(t){this._map=t,this._el=t.getCanvasContainer(),util.bindAll([\"_onStart\",\"_onMove\",\"_onEnd\"],this)};TouchZoomRotateHandler.prototype.isEnabled=function(){return!!this._enabled},TouchZoomRotateHandler.prototype.enable=function(t){this.isEnabled()||(this._el.classList.add(\"mapboxgl-touch-zoom-rotate\"),this._el.addEventListener(\"touchstart\",this._onStart,!1),this._enabled=!0,this._aroundCenter=t&&\"center\"===t.around)},TouchZoomRotateHandler.prototype.disable=function(){this.isEnabled()&&(this._el.classList.remove(\"mapboxgl-touch-zoom-rotate\"),this._el.removeEventListener(\"touchstart\",this._onStart),this._enabled=!1)},TouchZoomRotateHandler.prototype.disableRotation=function(){this._rotationDisabled=!0},TouchZoomRotateHandler.prototype.enableRotation=function(){this._rotationDisabled=!1},TouchZoomRotateHandler.prototype._onStart=function(t){if(2===t.touches.length){var e=DOM.mousePos(this._el,t.touches[0]),o=DOM.mousePos(this._el,t.touches[1]);this._startVec=e.sub(o),this._startScale=this._map.transform.scale,this._startBearing=this._map.transform.bearing,this._gestureIntent=void 0,this._inertia=[],window.document.addEventListener(\"touchmove\",this._onMove,!1),window.document.addEventListener(\"touchend\",this._onEnd,!1)}},TouchZoomRotateHandler.prototype._onMove=function(t){if(2===t.touches.length){var e=DOM.mousePos(this._el,t.touches[0]),o=DOM.mousePos(this._el,t.touches[1]),i=e.add(o).div(2),n=e.sub(o),a=n.mag()/this._startVec.mag(),r=this._rotationDisabled?0:180*n.angleWith(this._startVec)/Math.PI,s=this._map;if(this._gestureIntent){var h={duration:0,around:s.unproject(i)};\"rotate\"===this._gestureIntent&&(h.bearing=this._startBearing+r),\"zoom\"!==this._gestureIntent&&\"rotate\"!==this._gestureIntent||(h.zoom=s.transform.scaleZoom(this._startScale*a)),s.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),a,i]),s.easeTo(h,{originalEvent:t})}else{var u=Math.abs(1-a)>significantScaleThreshold;Math.abs(r)>significantRotateThreshold?this._gestureIntent=\"rotate\":u&&(this._gestureIntent=\"zoom\"),this._gestureIntent&&(this._startVec=n,this._startScale=s.transform.scale,this._startBearing=s.transform.bearing)}t.preventDefault()}},TouchZoomRotateHandler.prototype._onEnd=function(t){window.document.removeEventListener(\"touchmove\",this._onMove),window.document.removeEventListener(\"touchend\",this._onEnd),this._drainInertiaBuffer();var e=this._inertia,o=this._map;if(e.length<2)return void o.snapToNorth({},{originalEvent:t});var i=e[e.length-1],n=e[0],a=o.transform.scaleZoom(this._startScale*i[1]),r=o.transform.scaleZoom(this._startScale*n[1]),s=a-r,h=(i[0]-n[0])/1e3,u=i[2];if(0===h||a===r)return void o.snapToNorth({},{originalEvent:t});var l=s*inertiaLinearity/h;Math.abs(l)>inertiaMaxSpeed&&(l=l>0?inertiaMaxSpeed:-inertiaMaxSpeed);var d=1e3*Math.abs(l/(inertiaDeceleration*inertiaLinearity)),c=a+l*d/2e3;c<0&&(c=0),o.easeTo({zoom:c,duration:d,easing:inertiaEasing,around:this._aroundCenter?o.getCenter():o.unproject(u)},{originalEvent:t})},TouchZoomRotateHandler.prototype._drainInertiaBuffer=function(){for(var t=this._inertia,e=Date.now();t.length>2&&e-t[0][0]>160;)t.shift()},module.exports=TouchZoomRotateHandler;\n},{\"../../util/dom\":209,\"../../util/util\":223,\"../../util/window\":204}],196:[function(_dereq_,module,exports){\n\"use strict\";var util=_dereq_(\"../util/util\"),window=_dereq_(\"../util/window\"),Hash=function(){util.bindAll([\"_onHashChange\",\"_updateHash\"],this)};Hash.prototype.addTo=function(t){return this._map=t,window.addEventListener(\"hashchange\",this._onHashChange,!1),this._map.on(\"moveend\",this._updateHash),this},Hash.prototype.remove=function(){return window.removeEventListener(\"hashchange\",this._onHashChange,!1),this._map.off(\"moveend\",this._updateHash),delete this._map,this},Hash.prototype.getHashString=function(t){var a=this._map.getCenter(),h=Math.round(100*this._map.getZoom())/100,e=Math.max(0,Math.ceil(Math.log(h)/Math.LN2)),n=Math.round(a.lng*Math.pow(10,e))/Math.pow(10,e),o=Math.round(a.lat*Math.pow(10,e))/Math.pow(10,e),i=this._map.getBearing(),s=this._map.getPitch(),r=\"\";return r+=t?\"#/\"+n+\"/\"+o+\"/\"+h:\"#\"+h+\"/\"+o+\"/\"+n,(i||s)&&(r+=\"/\"+Math.round(10*i)/10),s&&(r+=\"/\"+Math.round(s)),r},Hash.prototype._onHashChange=function(){var t=window.location.hash.replace(\"#\",\"\").split(\"/\");return t.length>=3&&(this._map.jumpTo({center:[+t[2],+t[1]],zoom:+t[0],bearing:+(t[3]||0),pitch:+(t[4]||0)}),!0)},Hash.prototype._updateHash=function(){var t=this.getHashString();window.history.replaceState(\"\",\"\",t)},module.exports=Hash;\n},{\"../util/util\":223,\"../util/window\":204}],197:[function(_dereq_,module,exports){\n\"use strict\";function removeNode(t){t.parentNode&&t.parentNode.removeChild(t)}var util=_dereq_(\"../util/util\"),browser=_dereq_(\"../util/browser\"),window=_dereq_(\"../util/window\"),ref=_dereq_(\"../util/window\"),HTMLImageElement=ref.HTMLImageElement,DOM=_dereq_(\"../util/dom\"),ajax=_dereq_(\"../util/ajax\"),Style=_dereq_(\"../style/style\"),AnimationLoop=_dereq_(\"../style/animation_loop\"),Painter=_dereq_(\"../render/painter\"),Transform=_dereq_(\"../geo/transform\"),Hash=_dereq_(\"./hash\"),bindHandlers=_dereq_(\"./bind_handlers\"),Camera=_dereq_(\"./camera\"),LngLat=_dereq_(\"../geo/lng_lat\"),LngLatBounds=_dereq_(\"../geo/lng_lat_bounds\"),Point=_dereq_(\"@mapbox/point-geometry\"),AttributionControl=_dereq_(\"./control/attribution_control\"),LogoControl=_dereq_(\"./control/logo_control\"),isSupported=_dereq_(\"mapbox-gl-supported\");_dereq_(\"./events\");var defaultMinZoom=0,defaultMaxZoom=22,defaultOptions={center:[0,0],zoom:0,bearing:0,pitch:0,minZoom:defaultMinZoom,maxZoom:defaultMaxZoom,interactive:!0,scrollZoom:!0,boxZoom:!0,dragRotate:!0,dragPan:!0,keyboard:!0,doubleClickZoom:!0,touchZoomRotate:!0,bearingSnap:7,hash:!1,attributionControl:!0,failIfMajorPerformanceCaveat:!1,preserveDrawingBuffer:!1,trackResize:!0,renderWorldCopies:!0,refreshExpiredTiles:!0,maxTileCacheSize:null,transformRequest:null},Map=function(t){function e(e){var o=this;if(e=util.extend({},defaultOptions,e),null!=e.minZoom&&null!=e.maxZoom&&e.minZoom>e.maxZoom)throw new Error(\"maxZoom must be greater than minZoom\");var r=new Transform(e.minZoom,e.maxZoom,e.renderWorldCopies);t.call(this,r,e),this._interactive=e.interactive,this._maxTileCacheSize=e.maxTileCacheSize,this._failIfMajorPerformanceCaveat=e.failIfMajorPerformanceCaveat,this._preserveDrawingBuffer=e.preserveDrawingBuffer,this._trackResize=e.trackResize,this._bearingSnap=e.bearingSnap,this._refreshExpiredTiles=e.refreshExpiredTiles;var i=e.transformRequest;if(this._transformRequest=i?function(t,e){return i(t,e)||{url:t}}:function(t){return{url:t}},\"string\"==typeof e.container){var s=window.document.getElementById(e.container);if(!s)throw new Error(\"Container '\"+e.container+\"' not found.\");this._container=s}else this._container=e.container;this.animationLoop=new AnimationLoop,e.maxBounds&&this.setMaxBounds(e.maxBounds),util.bindAll([\"_onWindowOnline\",\"_onWindowResize\",\"_contextLost\",\"_contextRestored\",\"_update\",\"_render\",\"_onData\",\"_onDataLoading\"],this),this._setupContainer(),this._setupPainter(),this.on(\"move\",this._update.bind(this,!1)),this.on(\"zoom\",this._update.bind(this,!0)),this.on(\"moveend\",function(){o.animationLoop.set(300),o._rerender()}),void 0!==window&&(window.addEventListener(\"online\",this._onWindowOnline,!1),window.addEventListener(\"resize\",this._onWindowResize,!1)),bindHandlers(this,e),this._hash=e.hash&&(new Hash).addTo(this),this._hash&&this._hash._onHashChange()||this.jumpTo({center:e.center,zoom:e.zoom,bearing:e.bearing,pitch:e.pitch}),this._classes=[],this.resize(),e.classes&&this.setClasses(e.classes),e.style&&this.setStyle(e.style,{localIdeographFontFamily:e.localIdeographFontFamily}),e.attributionControl&&this.addControl(new AttributionControl),this.addControl(new LogoControl,e.logoPosition),this.on(\"style.load\",function(){this.transform.unmodified&&this.jumpTo(this.style.stylesheet),this.style.update(this._classes,{transition:!1})}),this.on(\"data\",this._onData),this.on(\"dataloading\",this._onDataLoading)}t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e;var o={showTileBoundaries:{},showCollisionBoxes:{},showOverdrawInspector:{},repaint:{},vertices:{}};return e.prototype.addControl=function(t,e){void 0===e&&t.getDefaultPosition&&(e=t.getDefaultPosition()),void 0===e&&(e=\"top-right\");var o=t.onAdd(this),r=this._controlPositions[e];return-1!==e.indexOf(\"bottom\")?r.insertBefore(o,r.firstChild):r.appendChild(o),this},e.prototype.removeControl=function(t){return t.onRemove(this),this},e.prototype.addClass=function(t,e){return util.warnOnce(\"Style classes are deprecated and will be removed in an upcoming release of Mapbox GL JS.\"),this._classes.indexOf(t)>=0||\"\"===t?this:(this._classes.push(t),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0))},e.prototype.removeClass=function(t,e){util.warnOnce(\"Style classes are deprecated and will be removed in an upcoming release of Mapbox GL JS.\");var o=this._classes.indexOf(t);return o<0||\"\"===t?this:(this._classes.splice(o,1),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0))},e.prototype.setClasses=function(t,e){util.warnOnce(\"Style classes are deprecated and will be removed in an upcoming release of Mapbox GL JS.\");for(var o={},r=0;r<t.length;r++)\"\"!==t[r]&&(o[t[r]]=!0);return this._classes=Object.keys(o),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0)},e.prototype.hasClass=function(t){return util.warnOnce(\"Style classes are deprecated and will be removed in an upcoming release of Mapbox GL JS.\"),this._classes.indexOf(t)>=0},e.prototype.getClasses=function(){return util.warnOnce(\"Style classes are deprecated and will be removed in an upcoming release of Mapbox GL JS.\"),this._classes},e.prototype.resize=function(){var t=this._containerDimensions(),e=t[0],o=t[1];return this._resizeCanvas(e,o),this.transform.resize(e,o),this.painter.resize(e,o),this.fire(\"movestart\").fire(\"move\").fire(\"resize\").fire(\"moveend\")},e.prototype.getBounds=function(){var t=new LngLatBounds(this.transform.pointLocation(new Point(0,this.transform.height)),this.transform.pointLocation(new Point(this.transform.width,0)));return(this.transform.angle||this.transform.pitch)&&(t.extend(this.transform.pointLocation(new Point(this.transform.size.x,0))),t.extend(this.transform.pointLocation(new Point(0,this.transform.size.y)))),t},e.prototype.getMaxBounds=function(){return this.transform.latRange&&2===this.transform.latRange.length&&this.transform.lngRange&&2===this.transform.lngRange.length?new LngLatBounds([this.transform.lngRange[0],this.transform.latRange[0]],[this.transform.lngRange[1],this.transform.latRange[1]]):null},e.prototype.setMaxBounds=function(t){if(t){var e=LngLatBounds.convert(t);this.transform.lngRange=[e.getWest(),e.getEast()],this.transform.latRange=[e.getSouth(),e.getNorth()],this.transform._constrain(),this._update()}else null!==t&&void 0!==t||(this.transform.lngRange=null,this.transform.latRange=null,this._update());return this},e.prototype.setMinZoom=function(t){if((t=null===t||void 0===t?defaultMinZoom:t)>=defaultMinZoom&&t<=this.transform.maxZoom)return this.transform.minZoom=t,this._update(),this.getZoom()<t&&this.setZoom(t),this;throw new Error(\"minZoom must be between \"+defaultMinZoom+\" and the current maxZoom, inclusive\")},e.prototype.getMinZoom=function(){return this.transform.minZoom},e.prototype.setMaxZoom=function(t){if((t=null===t||void 0===t?defaultMaxZoom:t)>=this.transform.minZoom)return this.transform.maxZoom=t,this._update(),this.getZoom()>t&&this.setZoom(t),this;throw new Error(\"maxZoom must be greater than the current minZoom\")},e.prototype.getMaxZoom=function(){return this.transform.maxZoom},e.prototype.project=function(t){return this.transform.locationPoint(LngLat.convert(t))},e.prototype.unproject=function(t){return this.transform.pointLocation(Point.convert(t))},e.prototype.on=function(e,o,r){var i=this;if(void 0===r)return t.prototype.on.call(this,e,o);var s=function(){if(\"mouseenter\"===e||\"mouseover\"===e){var t=!1;return{layer:o,listener:r,delegates:{mousemove:function(s){var n=i.getLayer(o)?i.queryRenderedFeatures(s.point,{layers:[o]}):[];n.length?t||(t=!0,r.call(i,util.extend({features:n},s,{type:e}))):t=!1},mouseout:function(){t=!1}}}}if(\"mouseleave\"===e||\"mouseout\"===e){var s=!1;return{layer:o,listener:r,delegates:{mousemove:function(t){(i.getLayer(o)?i.queryRenderedFeatures(t.point,{layers:[o]}):[]).length?s=!0:s&&(s=!1,r.call(i,util.extend({},t,{type:e})))},mouseout:function(t){s&&(s=!1,r.call(i,util.extend({},t,{type:e})))}}}}var n=function(t){var e=i.getLayer(o)?i.queryRenderedFeatures(t.point,{layers:[o]}):[];e.length&&r.call(i,util.extend({features:e},t))};return{layer:o,listener:r,delegates:(a={},a[e]=n,a)};var a}();this._delegatedListeners=this._delegatedListeners||{},this._delegatedListeners[e]=this._delegatedListeners[e]||[],this._delegatedListeners[e].push(s);for(var n in s.delegates)i.on(n,s.delegates[n]);return this},e.prototype.off=function(e,o,r){var i=this;if(void 0===r)return t.prototype.off.call(this,e,o);if(this._delegatedListeners&&this._delegatedListeners[e])for(var s=this._delegatedListeners[e],n=0;n<s.length;n++){var a=s[n];if(a.layer===o&&a.listener===r){for(var h in a.delegates)i.off(h,a.delegates[h]);return s.splice(n,1),i}}return this},e.prototype.queryRenderedFeatures=function(){for(var t=[],e=arguments.length;e--;)t[e]=arguments[e];var o,r={};return 2===t.length?(o=arguments[0],r=arguments[1]):1===t.length&&function(t){return t instanceof Point||Array.isArray(t)}(t[0])?o=t[0]:1===t.length&&(r=t[0]),this.style?this.style.queryRenderedFeatures(this._makeQueryGeometry(o),r,this.transform.zoom,this.transform.angle):[]},e.prototype._makeQueryGeometry=function(t){var e=this;void 0===t&&(t=[Point.convert([0,0]),Point.convert([this.transform.width,this.transform.height])]);var o;if(t instanceof Point||\"number\"==typeof t[0]){o=[Point.convert(t)]}else{var r=[Point.convert(t[0]),Point.convert(t[1])];o=[r[0],new Point(r[1].x,r[0].y),r[1],new Point(r[0].x,r[1].y),r[0]]}return o=o.map(function(t){return e.transform.pointCoordinate(t)})},e.prototype.querySourceFeatures=function(t,e){return this.style.querySourceFeatures(t,e)},e.prototype.setStyle=function(t,e){if((!e||!1!==e.diff&&!e.localIdeographFontFamily)&&this.style&&t&&!(t instanceof Style)&&\"string\"!=typeof t)try{return this.style.setState(t)&&this._update(!0),this}catch(t){util.warnOnce(\"Unable to perform style diff: \"+(t.message||t.error||t)+\".  Rebuilding the style from scratch.\")}return this.style&&(this.style.setEventedParent(null),this.style._remove(),this.off(\"rotate\",this.style._redoPlacement),this.off(\"pitch\",this.style._redoPlacement),this.off(\"move\",this.style._redoPlacement)),t?(this.style=t instanceof Style?t:new Style(t,this,e||{}),this.style.setEventedParent(this,{style:this.style}),this.on(\"rotate\",this.style._redoPlacement),this.on(\"pitch\",this.style._redoPlacement),this.on(\"move\",this.style._redoPlacement),this):(this.style=null,this)},e.prototype.getStyle=function(){if(this.style)return this.style.serialize()},e.prototype.isStyleLoaded=function(){return this.style?this.style.loaded():util.warnOnce(\"There is no style added to the map.\")},e.prototype.addSource=function(t,e){return this.style.addSource(t,e),this._update(!0),this},e.prototype.isSourceLoaded=function(t){var e=this.style&&this.style.sourceCaches[t];return void 0===e?void this.fire(\"error\",{error:new Error(\"There is no source with ID '\"+t+\"'\")}):e.loaded()},e.prototype.areTilesLoaded=function(){var t=this.style&&this.style.sourceCaches;for(var e in t){var o=t[e],r=o._tiles;for(var i in r){var s=r[i];if(\"loaded\"!==s.state&&\"errored\"!==s.state)return!1}}return!0},e.prototype.addSourceType=function(t,e,o){return this.style.addSourceType(t,e,o)},e.prototype.removeSource=function(t){return this.style.removeSource(t),this._update(!0),this},e.prototype.getSource=function(t){return this.style.getSource(t)},e.prototype.addImage=function(t,e,o){void 0===o&&(o={});var r=o.pixelRatio;void 0===r&&(r=1);var i=o.sdf;if(void 0===i&&(i=!1),e instanceof HTMLImageElement)e=browser.getImageData(e);else if(void 0===e.width||void 0===e.height)return this.fire(\"error\",{error:new Error(\"Invalid arguments to map.addImage(). The second argument must be an `HTMLImageElement`, `ImageData`, or object with `width`, `height`, and `data` properties with the same format as `ImageData`\")});this.style.addImage(t,{data:e,pixelRatio:r,sdf:i})},e.prototype.removeImage=function(t){this.style.removeImage(t)},e.prototype.loadImage=function(t,e){ajax.getImage(this._transformRequest(t,ajax.ResourceType.Image),e)},e.prototype.addLayer=function(t,e){return this.style.addLayer(t,e),this._update(!0),this},e.prototype.moveLayer=function(t,e){return this.style.moveLayer(t,e),this._update(!0),this},e.prototype.removeLayer=function(t){return this.style.removeLayer(t),this._update(!0),this},e.prototype.getLayer=function(t){return this.style.getLayer(t)},e.prototype.setFilter=function(t,e){return this.style.setFilter(t,e),this._update(!0),this},e.prototype.setLayerZoomRange=function(t,e,o){return this.style.setLayerZoomRange(t,e,o),this._update(!0),this},e.prototype.getFilter=function(t){return this.style.getFilter(t)},e.prototype.setPaintProperty=function(t,e,o,r){return this.style.setPaintProperty(t,e,o,r),this._update(!0),this},e.prototype.getPaintProperty=function(t,e,o){return this.style.getPaintProperty(t,e,o)},e.prototype.setLayoutProperty=function(t,e,o){return this.style.setLayoutProperty(t,e,o),this._update(!0),this},e.prototype.getLayoutProperty=function(t,e){return this.style.getLayoutProperty(t,e)},e.prototype.setLight=function(t){return this.style.setLight(t),this._update(!0),this},e.prototype.getLight=function(){return this.style.getLight()},e.prototype.getContainer=function(){return this._container},e.prototype.getCanvasContainer=function(){return this._canvasContainer},e.prototype.getCanvas=function(){return this._canvas},e.prototype._containerDimensions=function(){var t=0,e=0;return this._container&&(t=this._container.offsetWidth||400,e=this._container.offsetHeight||300),[t,e]},e.prototype._setupContainer=function(){var t=this._container;t.classList.add(\"mapboxgl-map\");var e=this._canvasContainer=DOM.create(\"div\",\"mapboxgl-canvas-container\",t);this._interactive&&e.classList.add(\"mapboxgl-interactive\"),this._canvas=DOM.create(\"canvas\",\"mapboxgl-canvas\",e),this._canvas.style.position=\"absolute\",this._canvas.addEventListener(\"webglcontextlost\",this._contextLost,!1),this._canvas.addEventListener(\"webglcontextrestored\",this._contextRestored,!1),this._canvas.setAttribute(\"tabindex\",\"0\"),this._canvas.setAttribute(\"aria-label\",\"Map\");var o=this._containerDimensions();this._resizeCanvas(o[0],o[1]);var r=this._controlContainer=DOM.create(\"div\",\"mapboxgl-control-container\",t),i=this._controlPositions={};[\"top-left\",\"top-right\",\"bottom-left\",\"bottom-right\"].forEach(function(t){i[t]=DOM.create(\"div\",\"mapboxgl-ctrl-\"+t,r)})},e.prototype._resizeCanvas=function(t,e){var o=window.devicePixelRatio||1;this._canvas.width=o*t,this._canvas.height=o*e,this._canvas.style.width=t+\"px\",this._canvas.style.height=e+\"px\"},e.prototype._setupPainter=function(){var t=util.extend({failIfMajorPerformanceCaveat:this._failIfMajorPerformanceCaveat,preserveDrawingBuffer:this._preserveDrawingBuffer},isSupported.webGLContextAttributes),e=this._canvas.getContext(\"webgl\",t)||this._canvas.getContext(\"experimental-webgl\",t);if(!e)return void this.fire(\"error\",{error:new Error(\"Failed to initialize WebGL\")});this.painter=new Painter(e,this.transform)},e.prototype._contextLost=function(t){t.preventDefault(),this._frameId&&(browser.cancelFrame(this._frameId),this._frameId=null),this.fire(\"webglcontextlost\",{originalEvent:t})},e.prototype._contextRestored=function(t){this._setupPainter(),this.resize(),this._update(),this.fire(\"webglcontextrestored\",{originalEvent:t})},e.prototype.loaded=function(){return!this._styleDirty&&!this._sourcesDirty&&!(!this.style||!this.style.loaded())},e.prototype._update=function(t){return this.style?(this._styleDirty=this._styleDirty||t,this._sourcesDirty=!0,this._rerender(),this):this},e.prototype._render=function(){return this.style&&this._styleDirty&&(this._styleDirty=!1,this.style.update(this._classes,this._classOptions),this._classOptions=null,this.style._recalculate(this.transform.zoom)),this.style&&this._sourcesDirty&&(this._sourcesDirty=!1,this.style._updateSources(this.transform)),this.painter.render(this.style,{showTileBoundaries:this.showTileBoundaries,showOverdrawInspector:this._showOverdrawInspector,rotating:this.rotating,zooming:this.zooming}),this.fire(\"render\"),this.loaded()&&!this._loaded&&(this._loaded=!0,this.fire(\"load\")),this._frameId=null,this.animationLoop.stopped()||(this._styleDirty=!0),(this._sourcesDirty||this._repaint||this._styleDirty)&&this._rerender(),this},e.prototype.remove=function(){this._hash&&this._hash.remove(),browser.cancelFrame(this._frameId),this._frameId=null,this.setStyle(null),void 0!==window&&(window.removeEventListener(\"resize\",this._onWindowResize,!1),window.removeEventListener(\"online\",this._onWindowOnline,!1));var t=this.painter.gl.getExtension(\"WEBGL_lose_context\");t&&t.loseContext(),removeNode(this._canvasContainer),removeNode(this._controlContainer),this._container.classList.remove(\"mapboxgl-map\"),this.fire(\"remove\")},e.prototype._rerender=function(){this.style&&!this._frameId&&(this._frameId=browser.frame(this._render))},e.prototype._onWindowOnline=function(){this._update()},e.prototype._onWindowResize=function(){this._trackResize&&this.stop().resize()._update()},o.showTileBoundaries.get=function(){return!!this._showTileBoundaries},o.showTileBoundaries.set=function(t){this._showTileBoundaries!==t&&(this._showTileBoundaries=t,this._update())},o.showCollisionBoxes.get=function(){return!!this._showCollisionBoxes},o.showCollisionBoxes.set=function(t){this._showCollisionBoxes!==t&&(this._showCollisionBoxes=t,this.style._redoPlacement())},o.showOverdrawInspector.get=function(){return!!this._showOverdrawInspector},o.showOverdrawInspector.set=function(t){this._showOverdrawInspector!==t&&(this._showOverdrawInspector=t,this._update())},o.repaint.get=function(){return!!this._repaint},o.repaint.set=function(t){this._repaint=t,this._update()},o.vertices.get=function(){return!!this._vertices},o.vertices.set=function(t){this._vertices=t,this._update()},e.prototype._onData=function(t){this._update(\"style\"===t.dataType),this.fire(t.dataType+\"data\",t)},e.prototype._onDataLoading=function(t){this.fire(t.dataType+\"dataloading\",t)},Object.defineProperties(e.prototype,o),e}(Camera);module.exports=Map;\n},{\"../geo/lng_lat\":58,\"../geo/lng_lat_bounds\":59,\"../geo/transform\":60,\"../render/painter\":79,\"../style/animation_loop\":150,\"../style/style\":156,\"../util/ajax\":201,\"../util/browser\":202,\"../util/dom\":209,\"../util/util\":223,\"../util/window\":204,\"./bind_handlers\":180,\"./camera\":181,\"./control/attribution_control\":182,\"./control/logo_control\":185,\"./events\":188,\"./hash\":196,\"@mapbox/point-geometry\":2,\"mapbox-gl-supported\":28}],198:[function(_dereq_,module,exports){\n\"use strict\";var DOM=_dereq_(\"../util/dom\"),LngLat=_dereq_(\"../geo/lng_lat\"),Point=_dereq_(\"@mapbox/point-geometry\"),smartWrap=_dereq_(\"../util/smart_wrap\"),ref=_dereq_(\"../util/util\"),bindAll=ref.bindAll,Marker=function(t,e){this._offset=Point.convert(e&&e.offset||[0,0]),bindAll([\"_update\",\"_onMapClick\"],this),t||(t=DOM.create(\"div\")),t.classList.add(\"mapboxgl-marker\"),this._element=t,this._popup=null};Marker.prototype.addTo=function(t){return this.remove(),this._map=t,t.getCanvasContainer().appendChild(this._element),t.on(\"move\",this._update),t.on(\"moveend\",this._update),this._update(),this._map.on(\"click\",this._onMapClick),this},Marker.prototype.remove=function(){return this._map&&(this._map.off(\"click\",this._onMapClick),this._map.off(\"move\",this._update),this._map.off(\"moveend\",this._update),delete this._map),DOM.remove(this._element),this._popup&&this._popup.remove(),this},Marker.prototype.getLngLat=function(){return this._lngLat},Marker.prototype.setLngLat=function(t){return this._lngLat=LngLat.convert(t),this._pos=null,this._popup&&this._popup.setLngLat(this._lngLat),this._update(),this},Marker.prototype.getElement=function(){return this._element},Marker.prototype.setPopup=function(t){return this._popup&&(this._popup.remove(),this._popup=null),t&&(\"offset\"in t.options||(t.options.offset=this._offset),this._popup=t,this._popup.setLngLat(this._lngLat)),this},Marker.prototype._onMapClick=function(t){var e=t.originalEvent.target,p=this._element;this._popup&&(e===p||p.contains(e))&&this.togglePopup()},Marker.prototype.getPopup=function(){return this._popup},Marker.prototype.togglePopup=function(){var t=this._popup;return t?(t.isOpen()?t.remove():t.addTo(this._map),this):this},Marker.prototype._update=function(t){this._map&&(this._map.transform.renderWorldCopies&&(this._lngLat=smartWrap(this._lngLat,this._pos,this._map.transform)),this._pos=this._map.project(this._lngLat)._add(this._offset),t&&\"moveend\"!==t.type||(this._pos=this._pos.round()),DOM.setTransform(this._element,\"translate(-50%, -50%) translate(\"+this._pos.x+\"px, \"+this._pos.y+\"px)\"))},module.exports=Marker;\n},{\"../geo/lng_lat\":58,\"../util/dom\":209,\"../util/smart_wrap\":219,\"../util/util\":223,\"@mapbox/point-geometry\":2}],199:[function(_dereq_,module,exports){\n\"use strict\";function normalizeOffset(t){if(t){if(\"number\"==typeof t){var o=Math.round(Math.sqrt(.5*Math.pow(t,2)));return{top:new Point(0,t),\"top-left\":new Point(o,o),\"top-right\":new Point(-o,o),bottom:new Point(0,-t),\"bottom-left\":new Point(o,-o),\"bottom-right\":new Point(-o,-o),left:new Point(t,0),right:new Point(-t,0)}}if(t instanceof Point||Array.isArray(t)){var e=Point.convert(t);return{top:e,\"top-left\":e,\"top-right\":e,bottom:e,\"bottom-left\":e,\"bottom-right\":e,left:e,right:e}}return{top:Point.convert(t.top||[0,0]),\"top-left\":Point.convert(t[\"top-left\"]||[0,0]),\"top-right\":Point.convert(t[\"top-right\"]||[0,0]),bottom:Point.convert(t.bottom||[0,0]),\"bottom-left\":Point.convert(t[\"bottom-left\"]||[0,0]),\"bottom-right\":Point.convert(t[\"bottom-right\"]||[0,0]),left:Point.convert(t.left||[0,0]),right:Point.convert(t.right||[0,0])}}return normalizeOffset(new Point(0,0))}var util=_dereq_(\"../util/util\"),Evented=_dereq_(\"../util/evented\"),DOM=_dereq_(\"../util/dom\"),LngLat=_dereq_(\"../geo/lng_lat\"),Point=_dereq_(\"@mapbox/point-geometry\"),window=_dereq_(\"../util/window\"),smartWrap=_dereq_(\"../util/smart_wrap\"),defaultOptions={closeButton:!0,closeOnClick:!0},Popup=function(t){function o(o){t.call(this),this.options=util.extend(Object.create(defaultOptions),o),util.bindAll([\"_update\",\"_onClickClose\"],this)}return t&&(o.__proto__=t),o.prototype=Object.create(t&&t.prototype),o.prototype.constructor=o,o.prototype.addTo=function(t){return this._map=t,this._map.on(\"move\",this._update),this.options.closeOnClick&&this._map.on(\"click\",this._onClickClose),this._update(),this},o.prototype.isOpen=function(){return!!this._map},o.prototype.remove=function(){return this._content&&DOM.remove(this._content),this._container&&(DOM.remove(this._container),delete this._container),this._map&&(this._map.off(\"move\",this._update),this._map.off(\"click\",this._onClickClose),delete this._map),this.fire(\"close\"),this},o.prototype.getLngLat=function(){return this._lngLat},o.prototype.setLngLat=function(t){return this._lngLat=LngLat.convert(t),this._pos=null,this._update(),this},o.prototype.setText=function(t){return this.setDOMContent(window.document.createTextNode(t))},o.prototype.setHTML=function(t){var o,e=window.document.createDocumentFragment(),n=window.document.createElement(\"body\");for(n.innerHTML=t;;){if(!(o=n.firstChild))break;e.appendChild(o)}return this.setDOMContent(e)},o.prototype.setDOMContent=function(t){return this._createContent(),this._content.appendChild(t),this._update(),this},o.prototype._createContent=function(){this._content&&DOM.remove(this._content),this._content=DOM.create(\"div\",\"mapboxgl-popup-content\",this._container),this.options.closeButton&&(this._closeButton=DOM.create(\"button\",\"mapboxgl-popup-close-button\",this._content),this._closeButton.type=\"button\",this._closeButton.setAttribute(\"aria-label\",\"Close popup\"),this._closeButton.innerHTML=\"&#215;\",this._closeButton.addEventListener(\"click\",this._onClickClose))},o.prototype._update=function(){if(this._map&&this._lngLat&&this._content){this._container||(this._container=DOM.create(\"div\",\"mapboxgl-popup\",this._map.getContainer()),this._tip=DOM.create(\"div\",\"mapboxgl-popup-tip\",this._container),this._container.appendChild(this._content)),this._map.transform.renderWorldCopies&&(this._lngLat=smartWrap(this._lngLat,this._pos,this._map.transform));var t=this._pos=this._map.project(this._lngLat),o=this.options.anchor,e=normalizeOffset(this.options.offset);if(!o){var n=this._container.offsetWidth,i=this._container.offsetHeight;o=t.y+e.bottom.y<i?[\"top\"]:t.y>this._map.transform.height-i?[\"bottom\"]:[],t.x<n/2?o.push(\"left\"):t.x>this._map.transform.width-n/2&&o.push(\"right\"),o=0===o.length?\"bottom\":o.join(\"-\")}var r=t.add(e[o]).round(),s={top:\"translate(-50%,0)\",\"top-left\":\"translate(0,0)\",\"top-right\":\"translate(-100%,0)\",bottom:\"translate(-50%,-100%)\",\"bottom-left\":\"translate(0,-100%)\",\"bottom-right\":\"translate(-100%,-100%)\",left:\"translate(0,-50%)\",right:\"translate(-100%,-50%)\"},p=this._container.classList;for(var a in s)p.remove(\"mapboxgl-popup-anchor-\"+a);p.add(\"mapboxgl-popup-anchor-\"+o),DOM.setTransform(this._container,s[o]+\" translate(\"+r.x+\"px,\"+r.y+\"px)\")}},o.prototype._onClickClose=function(){this.remove()},o}(Evented);module.exports=Popup;\n},{\"../geo/lng_lat\":58,\"../util/dom\":209,\"../util/evented\":210,\"../util/smart_wrap\":219,\"../util/util\":223,\"../util/window\":204,\"@mapbox/point-geometry\":2}],200:[function(_dereq_,module,exports){\n\"use strict\";var util=_dereq_(\"./util\"),Actor=function(t,e,r){this.target=t,this.parent=e,this.mapId=r,this.callbacks={},this.callbackID=0,util.bindAll([\"receive\"],this),this.target.addEventListener(\"message\",this.receive,!1)};Actor.prototype.send=function(t,e,r,a,i){var s=r?this.mapId+\":\"+this.callbackID++:null;r&&(this.callbacks[s]=r),this.target.postMessage({targetMapId:i,sourceMapId:this.mapId,type:t,id:String(s),data:e},a)},Actor.prototype.receive=function(t){var e,r=this,a=t.data,i=a.id;if(!a.targetMapId||this.mapId===a.targetMapId){var s=function(t,e,a){r.target.postMessage({sourceMapId:r.mapId,type:\"<response>\",id:String(i),error:t?String(t):null,data:e},a)};if(\"<response>\"===a.type)e=this.callbacks[a.id],delete this.callbacks[a.id],e&&a.error?e(new Error(a.error)):e&&e(null,a.data);else if(void 0!==a.id&&this.parent[a.type])this.parent[a.type](a.sourceMapId,a.data,s);else if(void 0!==a.id&&this.parent.getWorkerSource){var o=a.type.split(\".\"),p=this.parent.getWorkerSource(a.sourceMapId,o[0]);p[o[1]](a.data,s)}else this.parent[a.type](a.data)}},Actor.prototype.remove=function(){this.target.removeEventListener(\"message\",this.receive,!1)},module.exports=Actor;\n},{\"./util\":223}],201:[function(_dereq_,module,exports){\n\"use strict\";function makeRequest(e){var t=new window.XMLHttpRequest;t.open(\"GET\",e.url,!0);for(var r in e.headers)t.setRequestHeader(r,e.headers[r]);return t.withCredentials=\"include\"===e.credentials,t}function sameOrigin(e){var t=window.document.createElement(\"a\");return t.href=e,t.protocol===window.document.location.protocol&&t.host===window.document.location.host}var window=_dereq_(\"./window\"),ResourceType={Unknown:\"Unknown\",Style:\"Style\",Source:\"Source\",Tile:\"Tile\",Glyphs:\"Glyphs\",SpriteImage:\"SpriteImage\",SpriteJSON:\"SpriteJSON\",Image:\"Image\"};exports.ResourceType=ResourceType,\"function\"==typeof Object.freeze&&Object.freeze(ResourceType);var AJAXError=function(e){function t(t,r){e.call(this,t),this.status=r}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t}(Error);exports.getJSON=function(e,t){var r=makeRequest(e);return r.setRequestHeader(\"Accept\",\"application/json\"),r.onerror=function(){t(new Error(r.statusText))},r.onload=function(){if(r.status>=200&&r.status<300&&r.response){var e;try{e=JSON.parse(r.response)}catch(e){return t(e)}t(null,e)}else t(new AJAXError(r.statusText,r.status))},r.send(),r},exports.getArrayBuffer=function(e,t){var r=makeRequest(e);return r.responseType=\"arraybuffer\",r.onerror=function(){t(new Error(r.statusText))},r.onload=function(){var e=r.response;if(0===e.byteLength&&200===r.status)return t(new Error(\"http status 200 returned without content.\"));r.status>=200&&r.status<300&&r.response?t(null,{data:e,cacheControl:r.getResponseHeader(\"Cache-Control\"),expires:r.getResponseHeader(\"Expires\")}):t(new AJAXError(r.statusText,r.status))},r.send(),r};var transparentPngUrl=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAC0lEQVQYV2NgAAIAAAUAAarVyFEAAAAASUVORK5CYII=\";exports.getImage=function(e,t){return exports.getArrayBuffer(e,function(e,r){if(e)t(e);else if(r){var n=new window.Image,o=window.URL||window.webkitURL;n.onload=function(){t(null,n),o.revokeObjectURL(n.src)};var s=new window.Blob([new Uint8Array(r.data)],{type:\"image/png\"});n.cacheControl=r.cacheControl,n.expires=r.expires,n.src=r.data.byteLength?o.createObjectURL(s):transparentPngUrl}})},exports.getVideo=function(e,t){var r=window.document.createElement(\"video\");r.onloadstart=function(){t(null,r)};for(var n=0;n<e.length;n++){var o=window.document.createElement(\"source\");sameOrigin(e[n])||(r.crossOrigin=\"Anonymous\"),o.src=e[n],r.appendChild(o)}return r};\n},{\"./window\":204}],202:[function(_dereq_,module,exports){\n\"use strict\";var window=_dereq_(\"./window\"),now=window.performance&&window.performance.now?window.performance.now.bind(window.performance):Date.now.bind(Date),frame=window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame,cancel=window.cancelAnimationFrame||window.mozCancelAnimationFrame||window.webkitCancelAnimationFrame||window.msCancelAnimationFrame;module.exports={now:now,frame:function(e){return frame(e)},cancelFrame:function(e){return cancel(e)},timed:function(e,n,t){function a(){if(!i){var r=now();r>=o+n?e.call(t,1):(e.call(t,(r-o)/n),frame(a))}}if(!n)return e.call(t,1),null;var i=!1,o=now();return frame(a),function(){i=!0}},getImageData:function(e){var n=window.document.createElement(\"canvas\"),t=n.getContext(\"2d\");if(!t)throw new Error(\"failed to create canvas 2d context\");return n.width=e.width,n.height=e.height,t.drawImage(e,0,0,e.width,e.height),t.getImageData(0,0,e.width,e.height)},hardwareConcurrency:window.navigator.hardwareConcurrency||4,get devicePixelRatio(){return window.devicePixelRatio},supportsWebp:!1};var webpImgTest=window.document.createElement(\"img\");webpImgTest.onload=function(){module.exports.supportsWebp=!0},webpImgTest.src=\"data:image/webp;base64,UklGRh4AAABXRUJQVlA4TBEAAAAvAQAAAAfQ//73v/+BiOh/AAA=\";\n},{\"./window\":204}],203:[function(_dereq_,module,exports){\n\"use strict\";var WebWorkify=_dereq_(\"webworkify\"),window=_dereq_(\"../window\"),workerURL=window.URL.createObjectURL(new WebWorkify(_dereq_(\"../../source/worker\"),{bare:!0}));module.exports=function(){return new window.Worker(workerURL)};\n},{\"../../source/worker\":105,\"../window\":204,\"webworkify\":39}],204:[function(_dereq_,module,exports){\n\"use strict\";module.exports=self;\n},{}],205:[function(_dereq_,module,exports){\n\"use strict\";function compareAreas(e,r){return r.area-e.area}var quickselect=_dereq_(\"quickselect\"),calculateSignedArea=_dereq_(\"./util\").calculateSignedArea;module.exports=function(e,r){var a=e.length;if(a<=1)return[e];for(var t,u,c=[],i=0;i<a;i++){var l=calculateSignedArea(e[i]);0!==l&&(e[i].area=Math.abs(l),void 0===u&&(u=l<0),u===l<0?(t&&c.push(t),t=[e[i]]):t.push(e[i]))}if(t&&c.push(t),r>1)for(var n=0;n<c.length;n++)c[n].length<=r||(quickselect(c[n],r,1,c[n].length-1,compareAreas),c[n]=c[n].slice(0,r));return c};\n},{\"./util\":223,\"quickselect\":31}],206:[function(_dereq_,module,exports){\n\"use strict\";var config={API_URL:\"https://api.mapbox.com\",REQUIRE_ACCESS_TOKEN:!0,ACCESS_TOKEN:null};module.exports=config;\n},{}],207:[function(_dereq_,module,exports){\n\"use strict\";var DictionaryCoder=function(r){var t=this;this._stringToNumber={},this._numberToString=[];for(var o=0;o<r.length;o++){var i=r[o];t._stringToNumber[i]=o,t._numberToString[o]=i}};DictionaryCoder.prototype.encode=function(r){return this._stringToNumber[r]},DictionaryCoder.prototype.decode=function(r){return this._numberToString[r]},module.exports=DictionaryCoder;\n},{}],208:[function(_dereq_,module,exports){\n\"use strict\";var util=_dereq_(\"./util\"),Actor=_dereq_(\"./actor\"),Dispatcher=function(t,r){var o=this;this.workerPool=t,this.actors=[],this.currentActor=0,this.id=util.uniqueId();for(var i=this.workerPool.acquire(this.id),e=0;e<i.length;e++){var s=i[e],c=new Actor(s,r,o.id);c.name=\"Worker \"+e,o.actors.push(c)}};Dispatcher.prototype.broadcast=function(t,r,o){o=o||function(){},util.asyncAll(this.actors,function(o,i){o.send(t,r,i)},o)},Dispatcher.prototype.send=function(t,r,o,i,e){return(\"number\"!=typeof i||isNaN(i))&&(i=this.currentActor=(this.currentActor+1)%this.actors.length),this.actors[i].send(t,r,o,e),i},Dispatcher.prototype.remove=function(){this.actors.forEach(function(t){t.remove()}),this.actors=[],this.workerPool.release(this.id)},module.exports=Dispatcher;\n},{\"./actor\":200,\"./util\":223}],209:[function(_dereq_,module,exports){\n\"use strict\";function testProp(e){for(var t=0;t<e.length;t++)if(e[t]in docStyle)return e[t];return e[0]}var Point=_dereq_(\"@mapbox/point-geometry\"),window=_dereq_(\"./window\");exports.create=function(e,t,o){var n=window.document.createElement(e);return t&&(n.className=t),o&&o.appendChild(n),n};var docStyle=window.document.documentElement.style,selectProp=testProp([\"userSelect\",\"MozUserSelect\",\"WebkitUserSelect\",\"msUserSelect\"]),userSelect;exports.disableDrag=function(){selectProp&&(userSelect=docStyle[selectProp],docStyle[selectProp]=\"none\")},exports.enableDrag=function(){selectProp&&(docStyle[selectProp]=userSelect)};var transformProp=testProp([\"transform\",\"WebkitTransform\"]);exports.setTransform=function(e,t){e.style[transformProp]=t};var suppressClick=function(e){e.preventDefault(),e.stopPropagation(),window.removeEventListener(\"click\",suppressClick,!0)};exports.suppressClick=function(){window.addEventListener(\"click\",suppressClick,!0),window.setTimeout(function(){window.removeEventListener(\"click\",suppressClick,!0)},0)},exports.mousePos=function(e,t){var o=e.getBoundingClientRect();return t=t.touches?t.touches[0]:t,new Point(t.clientX-o.left-e.clientLeft,t.clientY-o.top-e.clientTop)},exports.touchPos=function(e,t){for(var o=e.getBoundingClientRect(),n=[],r=\"touchend\"===t.type?t.changedTouches:t.touches,s=0;s<r.length;s++)n.push(new Point(r[s].clientX-o.left-e.clientLeft,r[s].clientY-o.top-e.clientTop));return n},exports.remove=function(e){e.parentNode&&e.parentNode.removeChild(e)};\n},{\"./window\":204,\"@mapbox/point-geometry\":2}],210:[function(_dereq_,module,exports){\n\"use strict\";function _addEventListener(e,t,n){n[e]=n[e]||[],n[e].push(t)}function _removeEventListener(e,t,n){if(n&&n[e]){var i=n[e].indexOf(t);-1!==i&&n[e].splice(i,1)}}var util=_dereq_(\"./util\"),Evented=function(){};Evented.prototype.on=function(e,t){return this._listeners=this._listeners||{},_addEventListener(e,t,this._listeners),this},Evented.prototype.off=function(e,t){return _removeEventListener(e,t,this._listeners),_removeEventListener(e,t,this._oneTimeListeners),this},Evented.prototype.once=function(e,t){return this._oneTimeListeners=this._oneTimeListeners||{},_addEventListener(e,t,this._oneTimeListeners),this},Evented.prototype.fire=function(e,t){var n=this;if(this.listens(e)){t=util.extend({},t,{type:e,target:this});for(var i=this._listeners&&this._listeners[e]?this._listeners[e].slice():[],s=0;s<i.length;s++)i[s].call(n,t);for(var r=this._oneTimeListeners&&this._oneTimeListeners[e]?this._oneTimeListeners[e].slice():[],o=0;o<r.length;o++)r[o].call(n,t),_removeEventListener(e,r[o],n._oneTimeListeners);this._eventedParent&&this._eventedParent.fire(e,util.extend({},t,\"function\"==typeof this._eventedParentData?this._eventedParentData():this._eventedParentData))}else util.endsWith(e,\"error\")&&console.error(t&&t.error||t||\"Empty error event\");return this},Evented.prototype.listens=function(e){return this._listeners&&this._listeners[e]&&this._listeners[e].length>0||this._oneTimeListeners&&this._oneTimeListeners[e]&&this._oneTimeListeners[e].length>0||this._eventedParent&&this._eventedParent.listens(e)},Evented.prototype.setEventedParent=function(e,t){return this._eventedParent=e,this._eventedParentData=t,this},module.exports=Evented;\n},{\"./util\":223}],211:[function(_dereq_,module,exports){\n\"use strict\";function compareMax(e,t){return t.max-e.max}function Cell(e,t,n,o){this.p=new Point(e,t),this.h=n,this.d=pointToPolygonDist(this.p,o),this.max=this.d+this.h*Math.SQRT2}function pointToPolygonDist(e,t){for(var n=!1,o=1/0,r=0;r<t.length;r++)for(var i=t[r],l=0,u=i.length,a=u-1;l<u;a=l++){var s=i[l],p=i[a];s.y>e.y!=p.y>e.y&&e.x<(p.x-s.x)*(e.y-s.y)/(p.y-s.y)+s.x&&(n=!n),o=Math.min(o,distToSegmentSquared(e,s,p))}return(n?1:-1)*Math.sqrt(o)}function getCentroidCell(e){for(var t=0,n=0,o=0,r=e[0],i=0,l=r.length,u=l-1;i<l;u=i++){var a=r[i],s=r[u],p=a.x*s.y-s.x*a.y;n+=(a.x+s.x)*p,o+=(a.y+s.y)*p,t+=3*p}return new Cell(n/t,o/t,0,e)}var Queue=_dereq_(\"tinyqueue\"),Point=_dereq_(\"@mapbox/point-geometry\"),distToSegmentSquared=_dereq_(\"./intersection_tests\").distToSegmentSquared;module.exports=function(e,t,n){void 0===t&&(t=1),void 0===n&&(n=!1);for(var o=1/0,r=1/0,i=-1/0,l=-1/0,u=e[0],a=0;a<u.length;a++){var s=u[a];(!a||s.x<o)&&(o=s.x),(!a||s.y<r)&&(r=s.y),(!a||s.x>i)&&(i=s.x),(!a||s.y>l)&&(l=s.y)}var p=i-o,h=l-r,d=Math.min(p,h),x=d/2,y=new Queue(null,compareMax);if(0===d)return new Point(o,r);for(var g=o;g<i;g+=d)for(var f=r;f<l;f+=d)y.push(new Cell(g+x,f+x,x,e));for(var m=getCentroidCell(e),v=y.length;y.length;){var c=y.pop();(c.d>m.d||!m.d)&&(m=c,n&&console.log(\"found best %d after %d probes\",Math.round(1e4*c.d)/1e4,v)),c.max-m.d<=t||(x=c.h/2,y.push(new Cell(c.p.x-x,c.p.y-x,x,e)),y.push(new Cell(c.p.x+x,c.p.y-x,x,e)),y.push(new Cell(c.p.x-x,c.p.y+x,x,e)),y.push(new Cell(c.p.x+x,c.p.y+x,x,e)),v+=4)}return n&&(console.log(\"num probes: \"+v),console.log(\"best distance: \"+m.d)),m.p};\n},{\"./intersection_tests\":214,\"@mapbox/point-geometry\":2,\"tinyqueue\":33}],212:[function(_dereq_,module,exports){\n\"use strict\";var WorkerPool=_dereq_(\"./worker_pool\"),globalWorkerPool;module.exports=function(){return globalWorkerPool||(globalWorkerPool=new WorkerPool),globalWorkerPool};\n},{\"./worker_pool\":226}],213:[function(_dereq_,module,exports){\n\"use strict\";function createImage(e,t,i){var h=e.width,a=e.height;if(i){if(i.length!==h*a*t)throw new RangeError(\"mismatched image size\")}else i=new Uint8Array(h*a*t);return{width:h,height:a,data:i}}function resizeImage(e,t,i){var h=t.width,a=t.height;if(h===e.width&&a===e.height)return e;var r=createImage({width:h,height:a},i);copyImage(e,r,{x:0,y:0},{x:0,y:0},{width:Math.min(e.width,h),height:Math.min(e.height,a)},i),e.width=h,e.height=a,e.data=r.data}function copyImage(e,t,i,h,a,r){if(0===a.width||0===a.height)return t;if(a.width>e.width||a.height>e.height||i.x>e.width-a.width||i.y>e.height-a.height)throw new RangeError(\"out of range source coordinates for image copy\");if(a.width>t.width||a.height>t.height||h.x>t.width-a.width||h.y>t.height-a.height)throw new RangeError(\"out of range destination coordinates for image copy\");for(var g=e.data,n=t.data,o=0;o<a.height;o++)for(var m=((i.y+o)*e.width+i.x)*r,c=((h.y+o)*t.width+h.x)*r,d=0;d<a.width*r;d++)n[c+d]=g[m+d];return t}var AlphaImage=function(){};AlphaImage.create=function(e,t){return createImage(e,1,t)},AlphaImage.resize=function(e,t){resizeImage(e,t,1)},AlphaImage.copy=function(e,t,i,h,a){copyImage(e,t,i,h,a,1)};var RGBAImage=function(){};RGBAImage.create=function(e,t){return createImage(e,4,t)},RGBAImage.resize=function(e,t){resizeImage(e,t,4)},RGBAImage.copy=function(e,t,i,h,a){copyImage(e,t,i,h,a,4)},module.exports={AlphaImage:AlphaImage,RGBAImage:RGBAImage};\n},{}],214:[function(_dereq_,module,exports){\n\"use strict\";function polygonIntersectsPolygon(n,t){for(var e=0;e<n.length;e++)if(polygonContainsPoint(t,n[e]))return!0;for(var r=0;r<t.length;r++)if(polygonContainsPoint(n,t[r]))return!0;return!!lineIntersectsLine(n,t)}function multiPolygonIntersectsBufferedMultiPoint(n,t,e){for(var r=0;r<n.length;r++)for(var o=n[r],i=0;i<t.length;i++)for(var l=t[i],u=0;u<l.length;u++){var s=l[u];if(polygonContainsPoint(o,s))return!0;if(pointIntersectsBufferedLine(s,o,e))return!0}return!1}function multiPolygonIntersectsMultiPolygon(n,t){if(1===n.length&&1===n[0].length)return multiPolygonContainsPoint(t,n[0][0]);for(var e=0;e<t.length;e++)for(var r=t[e],o=0;o<r.length;o++)if(multiPolygonContainsPoint(n,r[o]))return!0;for(var i=0;i<n.length;i++){for(var l=n[i],u=0;u<l.length;u++)if(multiPolygonContainsPoint(t,l[u]))return!0;for(var s=0;s<t.length;s++)if(lineIntersectsLine(l,t[s]))return!0}return!1}function multiPolygonIntersectsBufferedMultiLine(n,t,e){for(var r=0;r<t.length;r++)for(var o=t[r],i=0;i<n.length;i++){var l=n[i];if(l.length>=3)for(var u=0;u<o.length;u++)if(polygonContainsPoint(l,o[u]))return!0;if(lineIntersectsBufferedLine(l,o,e))return!0}return!1}function lineIntersectsBufferedLine(n,t,e){if(n.length>1){if(lineIntersectsLine(n,t))return!0;for(var r=0;r<t.length;r++)if(pointIntersectsBufferedLine(t[r],n,e))return!0}for(var o=0;o<n.length;o++)if(pointIntersectsBufferedLine(n[o],t,e))return!0;return!1}function lineIntersectsLine(n,t){if(0===n.length||0===t.length)return!1;for(var e=0;e<n.length-1;e++)for(var r=n[e],o=n[e+1],i=0;i<t.length-1;i++){var l=t[i],u=t[i+1];if(lineSegmentIntersectsLineSegment(r,o,l,u))return!0}return!1}function lineSegmentIntersectsLineSegment(n,t,e,r){return isCounterClockwise(n,e,r)!==isCounterClockwise(t,e,r)&&isCounterClockwise(n,t,e)!==isCounterClockwise(n,t,r)}function pointIntersectsBufferedLine(n,t,e){var r=e*e;if(1===t.length)return n.distSqr(t[0])<r;for(var o=1;o<t.length;o++){if(distToSegmentSquared(n,t[o-1],t[o])<r)return!0}return!1}function distToSegmentSquared(n,t,e){var r=t.distSqr(e);if(0===r)return n.distSqr(t);var o=((n.x-t.x)*(e.x-t.x)+(n.y-t.y)*(e.y-t.y))/r;return o<0?n.distSqr(t):o>1?n.distSqr(e):n.distSqr(e.sub(t)._mult(o)._add(t))}function multiPolygonContainsPoint(n,t){for(var e,r,o,i=!1,l=0;l<n.length;l++){e=n[l];for(var u=0,s=e.length-1;u<e.length;s=u++)r=e[u],o=e[s],r.y>t.y!=o.y>t.y&&t.x<(o.x-r.x)*(t.y-r.y)/(o.y-r.y)+r.x&&(i=!i)}return i}function polygonContainsPoint(n,t){for(var e=!1,r=0,o=n.length-1;r<n.length;o=r++){var i=n[r],l=n[o];i.y>t.y!=l.y>t.y&&t.x<(l.x-i.x)*(t.y-i.y)/(l.y-i.y)+i.x&&(e=!e)}return e}var ref=_dereq_(\"./util\"),isCounterClockwise=ref.isCounterClockwise;module.exports={multiPolygonIntersectsBufferedMultiPoint:multiPolygonIntersectsBufferedMultiPoint,multiPolygonIntersectsMultiPolygon:multiPolygonIntersectsMultiPolygon,multiPolygonIntersectsBufferedMultiLine:multiPolygonIntersectsBufferedMultiLine,polygonIntersectsPolygon:polygonIntersectsPolygon,distToSegmentSquared:distToSegmentSquared};\n},{\"./util\":223}],215:[function(_dereq_,module,exports){\n\"use strict\";var unicodeBlockLookup={\"Latin-1 Supplement\":function(n){return n>=128&&n<=255},Arabic:function(n){return n>=1536&&n<=1791},\"Arabic Supplement\":function(n){return n>=1872&&n<=1919},\"Arabic Extended-A\":function(n){return n>=2208&&n<=2303},\"Hangul Jamo\":function(n){return n>=4352&&n<=4607},\"Unified Canadian Aboriginal Syllabics\":function(n){return n>=5120&&n<=5759},\"Unified Canadian Aboriginal Syllabics Extended\":function(n){return n>=6320&&n<=6399},\"General Punctuation\":function(n){return n>=8192&&n<=8303},\"Letterlike Symbols\":function(n){return n>=8448&&n<=8527},\"Number Forms\":function(n){return n>=8528&&n<=8591},\"Miscellaneous Technical\":function(n){return n>=8960&&n<=9215},\"Control Pictures\":function(n){return n>=9216&&n<=9279},\"Optical Character Recognition\":function(n){return n>=9280&&n<=9311},\"Enclosed Alphanumerics\":function(n){return n>=9312&&n<=9471},\"Geometric Shapes\":function(n){return n>=9632&&n<=9727},\"Miscellaneous Symbols\":function(n){return n>=9728&&n<=9983},\"Miscellaneous Symbols and Arrows\":function(n){return n>=11008&&n<=11263},\"CJK Radicals Supplement\":function(n){return n>=11904&&n<=12031},\"Kangxi Radicals\":function(n){return n>=12032&&n<=12255},\"Ideographic Description Characters\":function(n){return n>=12272&&n<=12287},\"CJK Symbols and Punctuation\":function(n){return n>=12288&&n<=12351},Hiragana:function(n){return n>=12352&&n<=12447},Katakana:function(n){return n>=12448&&n<=12543},Bopomofo:function(n){return n>=12544&&n<=12591},\"Hangul Compatibility Jamo\":function(n){return n>=12592&&n<=12687},Kanbun:function(n){return n>=12688&&n<=12703},\"Bopomofo Extended\":function(n){return n>=12704&&n<=12735},\"CJK Strokes\":function(n){return n>=12736&&n<=12783},\"Katakana Phonetic Extensions\":function(n){return n>=12784&&n<=12799},\"Enclosed CJK Letters and Months\":function(n){return n>=12800&&n<=13055},\"CJK Compatibility\":function(n){return n>=13056&&n<=13311},\"CJK Unified Ideographs Extension A\":function(n){return n>=13312&&n<=19903},\"Yijing Hexagram Symbols\":function(n){return n>=19904&&n<=19967},\"CJK Unified Ideographs\":function(n){return n>=19968&&n<=40959},\"Yi Syllables\":function(n){return n>=40960&&n<=42127},\"Yi Radicals\":function(n){return n>=42128&&n<=42191},\"Hangul Jamo Extended-A\":function(n){return n>=43360&&n<=43391},\"Hangul Syllables\":function(n){return n>=44032&&n<=55215},\"Hangul Jamo Extended-B\":function(n){return n>=55216&&n<=55295},\"Private Use Area\":function(n){return n>=57344&&n<=63743},\"CJK Compatibility Ideographs\":function(n){return n>=63744&&n<=64255},\"Arabic Presentation Forms-A\":function(n){return n>=64336&&n<=65023},\"Vertical Forms\":function(n){return n>=65040&&n<=65055},\"CJK Compatibility Forms\":function(n){return n>=65072&&n<=65103},\"Small Form Variants\":function(n){return n>=65104&&n<=65135},\"Arabic Presentation Forms-B\":function(n){return n>=65136&&n<=65279},\"Halfwidth and Fullwidth Forms\":function(n){return n>=65280&&n<=65519}};module.exports=unicodeBlockLookup;\n},{}],216:[function(_dereq_,module,exports){\n\"use strict\";var LRUCache=function(t,e){this.max=t,this.onRemove=e,this.reset()};LRUCache.prototype.reset=function(){var t=this;for(var e in t.data)t.onRemove(t.data[e]);return this.data={},this.order=[],this},LRUCache.prototype.add=function(t,e){if(this.has(t))this.order.splice(this.order.indexOf(t),1),this.data[t]=e,this.order.push(t);else if(this.data[t]=e,this.order.push(t),this.order.length>this.max){var r=this.get(this.order[0]);r&&this.onRemove(r)}return this},LRUCache.prototype.has=function(t){return t in this.data},LRUCache.prototype.keys=function(){return this.order},LRUCache.prototype.get=function(t){if(!this.has(t))return null;var e=this.data[t];return delete this.data[t],this.order.splice(this.order.indexOf(t),1),e},LRUCache.prototype.getWithoutRemoving=function(t){return this.has(t)?this.data[t]:null},LRUCache.prototype.remove=function(t){if(!this.has(t))return this;var e=this.data[t];return delete this.data[t],this.onRemove(e),this.order.splice(this.order.indexOf(t),1),this},LRUCache.prototype.setMaxSize=function(t){var e=this;for(this.max=t;this.order.length>this.max;){var r=e.get(e.order[0]);r&&e.onRemove(r)}return this},module.exports=LRUCache;\n},{}],217:[function(_dereq_,module,exports){\n\"use strict\";function makeAPIURL(r,e){var t=parseUrl(config.API_URL);if(r.protocol=t.protocol,r.authority=t.authority,\"/\"!==t.path&&(r.path=\"\"+t.path+r.path),!config.REQUIRE_ACCESS_TOKEN)return formatUrl(r);if(!(e=e||config.ACCESS_TOKEN))throw new Error(\"An API access token is required to use Mapbox GL. \"+help);if(\"s\"===e[0])throw new Error(\"Use a public access token (pk.*) with Mapbox GL, not a secret access token (sk.*). \"+help);return r.params.push(\"access_token=\"+e),formatUrl(r)}function isMapboxURL(r){return 0===r.indexOf(\"mapbox:\")}function replaceTempAccessToken(r){for(var e=0;e<r.length;e++)0===r[e].indexOf(\"access_token=tk.\")&&(r[e]=\"access_token=\"+(config.ACCESS_TOKEN||\"\"))}function parseUrl(r){var e=r.match(urlRe);if(!e)throw new Error(\"Unable to parse URL object\");return{protocol:e[1],authority:e[2],path:e[3]||\"/\",params:e[4]?e[4].split(\"&\"):[]}}function formatUrl(r){var e=r.params.length?\"?\"+r.params.join(\"&\"):\"\";return r.protocol+\"://\"+r.authority+r.path+e}var config=_dereq_(\"./config\"),browser=_dereq_(\"./browser\"),help=\"See https://www.mapbox.com/api-documentation/#access-tokens\";exports.isMapboxURL=isMapboxURL,exports.normalizeStyleURL=function(r,e){if(!isMapboxURL(r))return r;var t=parseUrl(r);return t.path=\"/styles/v1\"+t.path,makeAPIURL(t,e)},exports.normalizeGlyphsURL=function(r,e){if(!isMapboxURL(r))return r;var t=parseUrl(r);return t.path=\"/fonts/v1\"+t.path,makeAPIURL(t,e)},exports.normalizeSourceURL=function(r,e){if(!isMapboxURL(r))return r;var t=parseUrl(r);return t.path=\"/v4/\"+t.authority+\".json\",t.params.push(\"secure\"),makeAPIURL(t,e)},exports.normalizeSpriteURL=function(r,e,t,a){var o=parseUrl(r);return isMapboxURL(r)?(o.path=\"/styles/v1\"+o.path+\"/sprite\"+e+t,makeAPIURL(o,a)):(o.path+=\"\"+e+t,formatUrl(o))};var imageExtensionRe=/(\\.(png|jpg)\\d*)(?=$)/;exports.normalizeTileURL=function(r,e,t){if(!e||!isMapboxURL(e))return r;var a=parseUrl(r),o=browser.devicePixelRatio>=2||512===t?\"@2x\":\"\",p=browser.supportsWebp?\".webp\":\"$1\";return a.path=a.path.replace(imageExtensionRe,\"\"+o+p),replaceTempAccessToken(a.params),formatUrl(a)};var urlRe=/^(\\w+):\\/\\/([^\\/?]*)(\\/[^?]+)?\\??(.+)?/;\n},{\"./browser\":202,\"./config\":206}],218:[function(_dereq_,module,exports){\n\"use strict\";var isChar=_dereq_(\"./is_char_in_unicode_block\");module.exports.allowsIdeographicBreaking=function(a){for(var i=0,r=a;i<r.length;i+=1){var s=r[i];if(!exports.charAllowsIdeographicBreaking(s.charCodeAt(0)))return!1}return!0},module.exports.allowsVerticalWritingMode=function(a){for(var i=0,r=a;i<r.length;i+=1){var s=r[i];if(exports.charHasUprightVerticalOrientation(s.charCodeAt(0)))return!0}return!1},module.exports.allowsLetterSpacing=function(a){for(var i=0,r=a;i<r.length;i+=1){var s=r[i];if(!exports.charAllowsLetterSpacing(s.charCodeAt(0)))return!1}return!0},module.exports.charAllowsLetterSpacing=function(a){return!isChar.Arabic(a)&&(!isChar[\"Arabic Supplement\"](a)&&(!isChar[\"Arabic Extended-A\"](a)&&(!isChar[\"Arabic Presentation Forms-A\"](a)&&!isChar[\"Arabic Presentation Forms-B\"](a))))},module.exports.charAllowsIdeographicBreaking=function(a){return!(a<11904)&&(!!isChar[\"Bopomofo Extended\"](a)||(!!isChar.Bopomofo(a)||(!!isChar[\"CJK Compatibility Forms\"](a)||(!!isChar[\"CJK Compatibility Ideographs\"](a)||(!!isChar[\"CJK Compatibility\"](a)||(!!isChar[\"CJK Radicals Supplement\"](a)||(!!isChar[\"CJK Strokes\"](a)||(!!isChar[\"CJK Symbols and Punctuation\"](a)||(!!isChar[\"CJK Unified Ideographs Extension A\"](a)||(!!isChar[\"CJK Unified Ideographs\"](a)||(!!isChar[\"Enclosed CJK Letters and Months\"](a)||(!!isChar[\"Halfwidth and Fullwidth Forms\"](a)||(!!isChar.Hiragana(a)||(!!isChar[\"Ideographic Description Characters\"](a)||(!!isChar[\"Kangxi Radicals\"](a)||(!!isChar[\"Katakana Phonetic Extensions\"](a)||(!!isChar.Katakana(a)||(!!isChar[\"Vertical Forms\"](a)||(!!isChar[\"Yi Radicals\"](a)||!!isChar[\"Yi Syllables\"](a))))))))))))))))))))},exports.charHasUprightVerticalOrientation=function(a){return 746===a||747===a||!(a<4352)&&(!!isChar[\"Bopomofo Extended\"](a)||(!!isChar.Bopomofo(a)||(!(!isChar[\"CJK Compatibility Forms\"](a)||a>=65097&&a<=65103)||(!!isChar[\"CJK Compatibility Ideographs\"](a)||(!!isChar[\"CJK Compatibility\"](a)||(!!isChar[\"CJK Radicals Supplement\"](a)||(!!isChar[\"CJK Strokes\"](a)||(!(!isChar[\"CJK Symbols and Punctuation\"](a)||a>=12296&&a<=12305||a>=12308&&a<=12319||12336===a)||(!!isChar[\"CJK Unified Ideographs Extension A\"](a)||(!!isChar[\"CJK Unified Ideographs\"](a)||(!!isChar[\"Enclosed CJK Letters and Months\"](a)||(!!isChar[\"Hangul Compatibility Jamo\"](a)||(!!isChar[\"Hangul Jamo Extended-A\"](a)||(!!isChar[\"Hangul Jamo Extended-B\"](a)||(!!isChar[\"Hangul Jamo\"](a)||(!!isChar[\"Hangul Syllables\"](a)||(!!isChar.Hiragana(a)||(!!isChar[\"Ideographic Description Characters\"](a)||(!!isChar.Kanbun(a)||(!!isChar[\"Kangxi Radicals\"](a)||(!!isChar[\"Katakana Phonetic Extensions\"](a)||(!(!isChar.Katakana(a)||12540===a)||(!(!isChar[\"Halfwidth and Fullwidth Forms\"](a)||65288===a||65289===a||65293===a||a>=65306&&a<=65310||65339===a||65341===a||65343===a||a>=65371&&a<=65503||65507===a||a>=65512&&a<=65519)||(!(!isChar[\"Small Form Variants\"](a)||a>=65112&&a<=65118||a>=65123&&a<=65126)||(!!isChar[\"Unified Canadian Aboriginal Syllabics\"](a)||(!!isChar[\"Unified Canadian Aboriginal Syllabics Extended\"](a)||(!!isChar[\"Vertical Forms\"](a)||(!!isChar[\"Yijing Hexagram Symbols\"](a)||(!!isChar[\"Yi Syllables\"](a)||!!isChar[\"Yi Radicals\"](a))))))))))))))))))))))))))))))},exports.charHasNeutralVerticalOrientation=function(a){return!(!isChar[\"Latin-1 Supplement\"](a)||167!==a&&169!==a&&174!==a&&177!==a&&188!==a&&189!==a&&190!==a&&215!==a&&247!==a)||(!(!isChar[\"General Punctuation\"](a)||8214!==a&&8224!==a&&8225!==a&&8240!==a&&8241!==a&&8251!==a&&8252!==a&&8258!==a&&8263!==a&&8264!==a&&8265!==a&&8273!==a)||(!!isChar[\"Letterlike Symbols\"](a)||(!!isChar[\"Number Forms\"](a)||(!(!isChar[\"Miscellaneous Technical\"](a)||!(a>=8960&&a<=8967||a>=8972&&a<=8991||a>=8996&&a<=9e3||9003===a||a>=9085&&a<=9114||a>=9150&&a<=9165||9167===a||a>=9169&&a<=9179||a>=9186&&a<=9215))||(!(!isChar[\"Control Pictures\"](a)||9251===a)||(!!isChar[\"Optical Character Recognition\"](a)||(!!isChar[\"Enclosed Alphanumerics\"](a)||(!!isChar[\"Geometric Shapes\"](a)||(!(!isChar[\"Miscellaneous Symbols\"](a)||a>=9754&&a<=9759)||(!(!isChar[\"Miscellaneous Symbols and Arrows\"](a)||!(a>=11026&&a<=11055||a>=11088&&a<=11097||a>=11192&&a<=11243))||(!!isChar[\"CJK Symbols and Punctuation\"](a)||(!!isChar.Katakana(a)||(!!isChar[\"Private Use Area\"](a)||(!!isChar[\"CJK Compatibility Forms\"](a)||(!!isChar[\"Small Form Variants\"](a)||(!!isChar[\"Halfwidth and Fullwidth Forms\"](a)||(8734===a||8756===a||8757===a||a>=9984&&a<=10087||a>=10102&&a<=10131||65532===a||65533===a)))))))))))))))))},exports.charHasRotatedVerticalOrientation=function(a){return!(exports.charHasUprightVerticalOrientation(a)||exports.charHasNeutralVerticalOrientation(a))};\n},{\"./is_char_in_unicode_block\":215}],219:[function(_dereq_,module,exports){\n\"use strict\";var LngLat=_dereq_(\"../geo/lng_lat\");module.exports=function(n,t,l){if(n=new LngLat(n.lng,n.lat),t){var a=new LngLat(n.lng-360,n.lat),i=new LngLat(n.lng+360,n.lat),o=l.locationPoint(n).distSqr(t);l.locationPoint(a).distSqr(t)<o?n=a:l.locationPoint(i).distSqr(t)<o&&(n=i)}for(;Math.abs(n.lng-l.center.lng)>180;){var e=l.locationPoint(n);if(e.x>=0&&e.y>=0&&e.x<=l.width&&e.y<=l.height)break;n.lng>l.center.lng?n.lng-=360:n.lng+=360}return n};\n},{\"../geo/lng_lat\":58}],220:[function(_dereq_,module,exports){\n\"use strict\";function createStructArrayType(t){var r=JSON.stringify(t);if(structArrayTypeCache[r])return structArrayTypeCache[r];var e=void 0===t.alignment?1:t.alignment,i=0,n=0,a=[\"Uint8\"],s=t.members.map(function(t){a.indexOf(t.type)<0&&a.push(t.type);var r=sizeOf(t.type),s=i=align(i,Math.max(e,r)),o=t.components||1;return n=Math.max(n,r),i+=r*o,{name:t.name,type:t.type,components:o,offset:s}}),o=align(i,Math.max(n,e)),p=function(t){function r(){t.apply(this,arguments)}return t&&(r.__proto__=t),r.prototype=Object.create(t&&t.prototype),r.prototype.constructor=r,r}(Struct);p.prototype.alignment=e,p.prototype.size=o;for(var y=0,c=s;y<c.length;y+=1)for(var h=c[y],u=0;u<h.components;u++){var f=h.name;if(h.components>1&&(f+=u),f in p.prototype)throw new Error(f+\" is a reserved name and cannot be used as a member name.\");Object.defineProperty(p.prototype,f,createAccessors(h,u))}var m=function(t){function r(){t.apply(this,arguments)}return t&&(r.__proto__=t),r.prototype=Object.create(t&&t.prototype),r.prototype.constructor=r,r}(StructArray);return m.prototype.members=s,m.prototype.StructType=p,m.prototype.bytesPerElement=o,m.prototype.emplaceBack=createEmplaceBack(s,o),m.prototype._usedTypes=a,structArrayTypeCache[r]=m,m}function align(t,r){return Math.ceil(t/r)*r}function sizeOf(t){return viewTypes[t].BYTES_PER_ELEMENT}function getArrayViewName(t){return t.toLowerCase()}function createEmplaceBack(t,r){for(var e=[],i=[],n=\"var i = this.length;\\nthis.resize(this.length + 1);\\n\",a=0,s=t;a<s.length;a+=1){var o=s[a],p=sizeOf(o.type);e.indexOf(p)<0&&(e.push(p),n+=\"var o\"+p.toFixed(0)+\" = i * \"+(r/p).toFixed(0)+\";\\n\");for(var y=0;y<o.components;y++){var c=\"v\"+i.length,h=\"o\"+p.toFixed(0)+\" + \"+(o.offset/p+y).toFixed(0);n+=\"this.\"+getArrayViewName(o.type)+\"[\"+h+\"] = \"+c+\";\\n\",i.push(c)}}return n+=\"return i;\",new Function(i.toString(),n)}function createMemberComponentString(t,r){var e=\"this._pos\"+sizeOf(t.type).toFixed(0),i=(t.offset/sizeOf(t.type)+r).toFixed(0),n=e+\" + \"+i;return\"this._structArray.\"+getArrayViewName(t.type)+\"[\"+n+\"]\"}function createAccessors(t,r){var e=createMemberComponentString(t,r);return{get:new Function(\"return \"+e+\";\"),set:new Function(\"x\",e+\" = x;\")}}module.exports=createStructArrayType;var viewTypes={Int8:Int8Array,Uint8:Uint8Array,Int16:Int16Array,Uint16:Uint16Array,Int32:Int32Array,Uint32:Uint32Array,Float32:Float32Array},Struct=function(t,r){this._structArray=t,this._pos1=r*this.size,this._pos2=this._pos1/2,this._pos4=this._pos1/4,this._pos8=this._pos1/8},DEFAULT_CAPACITY=128,RESIZE_MULTIPLIER=5,StructArray=function(t){this.isTransferred=!1,void 0!==t?(this.arrayBuffer=t.arrayBuffer,this.length=t.length,this.capacity=this.arrayBuffer.byteLength/this.bytesPerElement,this._refreshViews()):(this.capacity=-1,this.resize(0))};StructArray.serialize=function(){return{members:this.prototype.members,alignment:this.prototype.StructType.prototype.alignment}},StructArray.prototype.serialize=function(t){return this._trim(),t&&(this.isTransferred=!0,t.push(this.arrayBuffer)),{length:this.length,arrayBuffer:this.arrayBuffer}},StructArray.prototype.get=function(t){return new this.StructType(this,t)},StructArray.prototype._trim=function(){this.length!==this.capacity&&(this.capacity=this.length,this.arrayBuffer=this.arrayBuffer.slice(0,this.length*this.bytesPerElement),this._refreshViews())},StructArray.prototype.clear=function(){this.length=0},StructArray.prototype.resize=function(t){if(this.length=t,t>this.capacity){this.capacity=Math.max(t,Math.floor(this.capacity*RESIZE_MULTIPLIER),DEFAULT_CAPACITY),this.arrayBuffer=new ArrayBuffer(this.capacity*this.bytesPerElement);var r=this.uint8;this._refreshViews(),r&&this.uint8.set(r)}},StructArray.prototype._refreshViews=function(){for(var t=this,r=0,e=t._usedTypes;r<e.length;r+=1){var i=e[r];t[getArrayViewName(i)]=new viewTypes[i](t.arrayBuffer)}},StructArray.prototype.toArray=function(t,r){for(var e=this,i=[],n=t;n<r;n++){var a=e.get(n);i.push(a)}return i};var structArrayTypeCache={};\n},{}],221:[function(_dereq_,module,exports){\n\"use strict\";var browser=_dereq_(\"./browser\"),Throttler=function(t,o){this.frequency=t,this.throttledFunction=o,this.lastInvocation=0};Throttler.prototype.invoke=function(){var t=this;if(!this.pendingInvocation){var o=0===this.lastInvocation?0:this.lastInvocation+this.frequency-browser.now();o<=0?(this.lastInvocation=browser.now(),this.throttledFunction()):this.pendingInvocation=setTimeout(function(){t.pendingInvocation=void 0,t.lastInvocation=browser.now(),t.throttledFunction()},o)}},Throttler.prototype.stop=function(){this.pendingInvocation&&(clearTimeout(this.pendingInvocation),this.pendingInvocation=void 0)},module.exports=Throttler;\n},{\"./browser\":202}],222:[function(_dereq_,module,exports){\n\"use strict\";function resolveTokens(e,n){return n.replace(/{([^{}]+)}/g,function(n,r){return r in e?String(e[r]):\"\"})}module.exports=resolveTokens;\n},{}],223:[function(_dereq_,module,exports){\n\"use strict\";var UnitBezier=_dereq_(\"@mapbox/unitbezier\"),Coordinate=_dereq_(\"../geo/coordinate\"),Point=_dereq_(\"@mapbox/point-geometry\");exports.easeCubicInOut=function(r){if(r<=0)return 0;if(r>=1)return 1;var e=r*r,t=e*r;return 4*(r<.5?t:3*(r-e)+t-.75)},exports.bezier=function(r,e,t,n){var o=new UnitBezier(r,e,t,n);return function(r){return o.solve(r)}},exports.ease=exports.bezier(.25,.1,.25,1),exports.clamp=function(r,e,t){return Math.min(t,Math.max(e,r))},exports.wrap=function(r,e,t){var n=t-e,o=((r-e)%n+n)%n+e;return o===e?t:o},exports.asyncAll=function(r,e,t){if(!r.length)return t(null,[]);var n=r.length,o=new Array(r.length),a=null;r.forEach(function(r,i){e(r,function(r,e){r&&(a=r),o[i]=e,0==--n&&t(a,o)})})},exports.values=function(r){var e=[];for(var t in r)e.push(r[t]);return e},exports.keysDifference=function(r,e){var t=[];for(var n in r)n in e||t.push(n);return t},exports.extend=function(r){for(var e=[],t=arguments.length-1;t-- >0;)e[t]=arguments[t+1];for(var n=0,o=e;n<o.length;n+=1){var a=o[n];for(var i in a)r[i]=a[i]}return r},exports.pick=function(r,e){for(var t={},n=0;n<e.length;n++){var o=e[n];o in r&&(t[o]=r[o])}return t};var id=1;exports.uniqueId=function(){return id++},exports.bindAll=function(r,e){r.forEach(function(r){e[r]&&(e[r]=e[r].bind(e))})},exports.getCoordinatesCenter=function(r){for(var e=1/0,t=1/0,n=-1/0,o=-1/0,a=0;a<r.length;a++)e=Math.min(e,r[a].column),t=Math.min(t,r[a].row),n=Math.max(n,r[a].column),o=Math.max(o,r[a].row);var i=n-e,u=o-t,s=Math.max(i,u),c=Math.max(0,Math.floor(-Math.log(s)/Math.LN2));return new Coordinate((e+n)/2,(t+o)/2,0).zoomTo(c)},exports.endsWith=function(r,e){return-1!==r.indexOf(e,r.length-e.length)},exports.mapObject=function(r,e,t){var n=this,o={};for(var a in r)o[a]=e.call(t||n,r[a],a,r);return o},exports.filterObject=function(r,e,t){var n=this,o={};for(var a in r)e.call(t||n,r[a],a,r)&&(o[a]=r[a]);return o},exports.deepEqual=function(r,e){if(Array.isArray(r)){if(!Array.isArray(e)||r.length!==e.length)return!1;for(var t=0;t<r.length;t++)if(!exports.deepEqual(r[t],e[t]))return!1;return!0}if(\"object\"==typeof r&&null!==r&&null!==e){if(\"object\"!=typeof e)return!1;if(Object.keys(r).length!==Object.keys(e).length)return!1;for(var n in r)if(!exports.deepEqual(r[n],e[n]))return!1;return!0}return r===e},exports.clone=function(r){return Array.isArray(r)?r.map(exports.clone):\"object\"==typeof r&&r?exports.mapObject(r,exports.clone):r},exports.arraysIntersect=function(r,e){for(var t=0;t<r.length;t++)if(e.indexOf(r[t])>=0)return!0;return!1};var warnOnceHistory={};exports.warnOnce=function(r){warnOnceHistory[r]||(\"undefined\"!=typeof console&&console.warn(r),warnOnceHistory[r]=!0)},exports.isCounterClockwise=function(r,e,t){return(t.y-r.y)*(e.x-r.x)>(e.y-r.y)*(t.x-r.x)},exports.calculateSignedArea=function(r){for(var e=0,t=0,n=r.length,o=n-1,a=void 0,i=void 0;t<n;o=t++)a=r[t],i=r[o],e+=(i.x-a.x)*(a.y+i.y);return e},exports.isClosedPolygon=function(r){if(r.length<4)return!1;var e=r[0],t=r[r.length-1];return!(Math.abs(e.x-t.x)>0||Math.abs(e.y-t.y)>0)&&Math.abs(exports.calculateSignedArea(r))>.01},exports.sphericalToCartesian=function(r){var e=r[0],t=r[1],n=r[2];return t+=90,t*=Math.PI/180,n*=Math.PI/180,[e*Math.cos(t)*Math.sin(n),e*Math.sin(t)*Math.sin(n),e*Math.cos(n)]},exports.parseCacheControl=function(r){var e=/(?:^|(?:\\s*\\,\\s*))([^\\x00-\\x20\\(\\)<>@\\,;\\:\\\\\"\\/\\[\\]\\?\\=\\{\\}\\x7F]+)(?:\\=(?:([^\\x00-\\x20\\(\\)<>@\\,;\\:\\\\\"\\/\\[\\]\\?\\=\\{\\}\\x7F]+)|(?:\\\"((?:[^\"\\\\]|\\\\.)*)\\\")))?/g,t={};if(r.replace(e,function(r,e,n,o){var a=n||o;return t[e]=!a||a.toLowerCase(),\"\"}),t[\"max-age\"]){var n=parseInt(t[\"max-age\"],10);isNaN(n)?delete t[\"max-age\"]:t[\"max-age\"]=n}return t};\n},{\"../geo/coordinate\":57,\"@mapbox/point-geometry\":2,\"@mapbox/unitbezier\":5}],224:[function(_dereq_,module,exports){\n\"use strict\";var Feature=function(e,t,r,o){this.type=\"Feature\",this._vectorTileFeature=e,e._z=t,e._x=r,e._y=o,this.properties=e.properties,null!=e.id&&(this.id=e.id)},prototypeAccessors={geometry:{}};prototypeAccessors.geometry.get=function(){return void 0===this._geometry&&(this._geometry=this._vectorTileFeature.toGeoJSON(this._vectorTileFeature._x,this._vectorTileFeature._y,this._vectorTileFeature._z).geometry),this._geometry},prototypeAccessors.geometry.set=function(e){this._geometry=e},Feature.prototype.toJSON=function(){var e=this,t={geometry:this.geometry};for(var r in e)\"_geometry\"!==r&&\"_vectorTileFeature\"!==r&&(t[r]=e[r]);return t},Object.defineProperties(Feature.prototype,prototypeAccessors),module.exports=Feature;\n},{}],225:[function(_dereq_,module,exports){\n\"use strict\";var scriptDetection=_dereq_(\"./script_detection\");module.exports=function(t){for(var o=\"\",e=0;e<t.length;e++){var r=t.charCodeAt(e+1)||null,l=t.charCodeAt(e-1)||null;(!r||!scriptDetection.charHasRotatedVerticalOrientation(r)||module.exports.lookup[t[e+1]])&&(!l||!scriptDetection.charHasRotatedVerticalOrientation(l)||module.exports.lookup[t[e-1]])&&module.exports.lookup[t[e]]?o+=module.exports.lookup[t[e]]:o+=t[e]}return o},module.exports.lookup={\"!\":\"︕\",\"#\":\"＃\",$:\"＄\",\"%\":\"％\",\"&\":\"＆\",\"(\":\"︵\",\")\":\"︶\",\"*\":\"＊\",\"+\":\"＋\",\",\":\"︐\",\"-\":\"︲\",\".\":\"・\",\"/\":\"／\",\":\":\"︓\",\";\":\"︔\",\"<\":\"︿\",\"=\":\"＝\",\">\":\"﹀\",\"?\":\"︖\",\"@\":\"＠\",\"[\":\"﹇\",\"\\\\\":\"＼\",\"]\":\"﹈\",\"^\":\"＾\",_:\"︳\",\"`\":\"｀\",\"{\":\"︷\",\"|\":\"―\",\"}\":\"︸\",\"~\":\"～\",\"¢\":\"￠\",\"£\":\"￡\",\"¥\":\"￥\",\"¦\":\"￤\",\"¬\":\"￢\",\"¯\":\"￣\",\"–\":\"︲\",\"—\":\"︱\",\"‘\":\"﹃\",\"’\":\"﹄\",\"“\":\"﹁\",\"”\":\"﹂\",\"…\":\"︙\",\"‧\":\"・\",\"₩\":\"￦\",\"、\":\"︑\",\"。\":\"︒\",\"〈\":\"︿\",\"〉\":\"﹀\",\"《\":\"︽\",\"》\":\"︾\",\"「\":\"﹁\",\"」\":\"﹂\",\"『\":\"﹃\",\"』\":\"﹄\",\"【\":\"︻\",\"】\":\"︼\",\"〔\":\"︹\",\"〕\":\"︺\",\"〖\":\"︗\",\"〗\":\"︘\",\"！\":\"︕\",\"（\":\"︵\",\"）\":\"︶\",\"，\":\"︐\",\"－\":\"︲\",\"．\":\"・\",\"：\":\"︓\",\"；\":\"︔\",\"＜\":\"︿\",\"＞\":\"﹀\",\"？\":\"︖\",\"［\":\"﹇\",\"］\":\"﹈\",\"＿\":\"︳\",\"｛\":\"︷\",\"｜\":\"―\",\"｝\":\"︸\",\"｟\":\"︵\",\"｠\":\"︶\",\"｡\":\"︒\",\"｢\":\"﹁\",\"｣\":\"﹂\"};\n},{\"./script_detection\":218}],226:[function(_dereq_,module,exports){\n\"use strict\";var WebWorker=_dereq_(\"./web_worker\"),WorkerPool=function(){this.active={}};WorkerPool.prototype.acquire=function(r){var e=this;if(!this.workers){var o=_dereq_(\"../\").workerCount;for(this.workers=[];this.workers.length<o;)e.workers.push(new WebWorker)}return this.active[r]=!0,this.workers.slice()},WorkerPool.prototype.release=function(r){delete this.active[r],0===Object.keys(this.active).length&&(this.workers.forEach(function(r){r.terminate()}),this.workers=null)},module.exports=WorkerPool;\n},{\"../\":63,\"./web_worker\":203}]},{},[63])(63)\n});\n\n\n//# sourceMappingURL=mapbox-gl.js.map","// shim for using process in browser\nvar process = module.exports = {};\n\n// cached from whatever global is present so that test runners that stub it\n// don't break things.  But we need to wrap it in a try catch in case it is\n// wrapped in strict mode code which doesn't define any globals.  It's inside a\n// function because try/catches deoptimize in certain engines.\n\nvar cachedSetTimeout;\nvar cachedClearTimeout;\n\nfunction defaultSetTimout() {\n    throw new Error('setTimeout has not been defined');\n}\nfunction defaultClearTimeout () {\n    throw new Error('clearTimeout has not been defined');\n}\n(function () {\n    try {\n        if (typeof setTimeout === 'function') {\n            cachedSetTimeout = setTimeout;\n        } else {\n            cachedSetTimeout = defaultSetTimout;\n        }\n    } catch (e) {\n        cachedSetTimeout = defaultSetTimout;\n    }\n    try {\n        if (typeof clearTimeout === 'function') {\n            cachedClearTimeout = clearTimeout;\n        } else {\n            cachedClearTimeout = defaultClearTimeout;\n        }\n    } catch (e) {\n        cachedClearTimeout = defaultClearTimeout;\n    }\n} ())\nfunction runTimeout(fun) {\n    if (cachedSetTimeout === setTimeout) {\n        //normal enviroments in sane situations\n        return setTimeout(fun, 0);\n    }\n    // if setTimeout wasn't available but was latter defined\n    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {\n        cachedSetTimeout = setTimeout;\n        return setTimeout(fun, 0);\n    }\n    try {\n        // when when somebody has screwed with setTimeout but no I.E. maddness\n        return cachedSetTimeout(fun, 0);\n    } catch(e){\n        try {\n            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally\n            return cachedSetTimeout.call(null, fun, 0);\n        } catch(e){\n            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error\n            return cachedSetTimeout.call(this, fun, 0);\n        }\n    }\n\n\n}\nfunction runClearTimeout(marker) {\n    if (cachedClearTimeout === clearTimeout) {\n        //normal enviroments in sane situations\n        return clearTimeout(marker);\n    }\n    // if clearTimeout wasn't available but was latter defined\n    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {\n        cachedClearTimeout = clearTimeout;\n        return clearTimeout(marker);\n    }\n    try {\n        // when when somebody has screwed with setTimeout but no I.E. maddness\n        return cachedClearTimeout(marker);\n    } catch (e){\n        try {\n            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally\n            return cachedClearTimeout.call(null, marker);\n        } catch (e){\n            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.\n            // Some versions of I.E. have different rules for clearTimeout vs setTimeout\n            return cachedClearTimeout.call(this, marker);\n        }\n    }\n\n\n\n}\nvar queue = [];\nvar draining = false;\nvar currentQueue;\nvar queueIndex = -1;\n\nfunction cleanUpNextTick() {\n    if (!draining || !currentQueue) {\n        return;\n    }\n    draining = false;\n    if (currentQueue.length) {\n        queue = currentQueue.concat(queue);\n    } else {\n        queueIndex = -1;\n    }\n    if (queue.length) {\n        drainQueue();\n    }\n}\n\nfunction drainQueue() {\n    if (draining) {\n        return;\n    }\n    var timeout = runTimeout(cleanUpNextTick);\n    draining = true;\n\n    var len = queue.length;\n    while(len) {\n        currentQueue = queue;\n        queue = [];\n        while (++queueIndex < len) {\n            if (currentQueue) {\n                currentQueue[queueIndex].run();\n            }\n        }\n        queueIndex = -1;\n        len = queue.length;\n    }\n    currentQueue = null;\n    draining = false;\n    runClearTimeout(timeout);\n}\n\nprocess.nextTick = function (fun) {\n    var args = new Array(arguments.length - 1);\n    if (arguments.length > 1) {\n        for (var i = 1; i < arguments.length; i++) {\n            args[i - 1] = arguments[i];\n        }\n    }\n    queue.push(new Item(fun, args));\n    if (queue.length === 1 && !draining) {\n        runTimeout(drainQueue);\n    }\n};\n\n// v8 likes predictible objects\nfunction Item(fun, array) {\n    this.fun = fun;\n    this.array = array;\n}\nItem.prototype.run = function () {\n    this.fun.apply(null, this.array);\n};\nprocess.title = 'browser';\nprocess.browser = true;\nprocess.env = {};\nprocess.argv = [];\nprocess.version = ''; // empty string to avoid regexp issues\nprocess.versions = {};\n\nfunction noop() {}\n\nprocess.on = noop;\nprocess.addListener = noop;\nprocess.once = noop;\nprocess.off = noop;\nprocess.removeListener = noop;\nprocess.removeAllListeners = noop;\nprocess.emit = noop;\nprocess.prependListener = noop;\nprocess.prependOnceListener = noop;\n\nprocess.listeners = function (name) { return [] }\n\nprocess.binding = function (name) {\n    throw new Error('process.binding is not supported');\n};\n\nprocess.cwd = function () { return '/' };\nprocess.chdir = function (dir) {\n    throw new Error('process.chdir is not supported');\n};\nprocess.umask = function() { return 0; };\n","/*!\n * Vue.js v2.4.4\n * (c) 2014-2017 Evan You\n * Released under the MIT License.\n */\n'use strict';\n\n/*  */\n\n// these helpers produces better vm code in JS engines due to their\n// explicitness and function inlining\nfunction isUndef (v) {\n  return v === undefined || v === null\n}\n\nfunction isDef (v) {\n  return v !== undefined && v !== null\n}\n\nfunction isTrue (v) {\n  return v === true\n}\n\nfunction isFalse (v) {\n  return v === false\n}\n\n/**\n * Check if value is primitive\n */\nfunction isPrimitive (value) {\n  return (\n    typeof value === 'string' ||\n    typeof value === 'number' ||\n    typeof value === 'boolean'\n  )\n}\n\n/**\n * Quick object check - this is primarily used to tell\n * Objects from primitive values when we know the value\n * is a JSON-compliant type.\n */\nfunction isObject (obj) {\n  return obj !== null && typeof obj === 'object'\n}\n\nvar _toString = Object.prototype.toString;\n\n/**\n * Strict object type check. Only returns true\n * for plain JavaScript objects.\n */\nfunction isPlainObject (obj) {\n  return _toString.call(obj) === '[object Object]'\n}\n\nfunction isRegExp (v) {\n  return _toString.call(v) === '[object RegExp]'\n}\n\n/**\n * Check if val is a valid array index.\n */\nfunction isValidArrayIndex (val) {\n  var n = parseFloat(val);\n  return n >= 0 && Math.floor(n) === n && isFinite(val)\n}\n\n/**\n * Convert a value to a string that is actually rendered.\n */\nfunction toString (val) {\n  return val == null\n    ? ''\n    : typeof val === 'object'\n      ? JSON.stringify(val, null, 2)\n      : String(val)\n}\n\n/**\n * Convert a input value to a number for persistence.\n * If the conversion fails, return original string.\n */\nfunction toNumber (val) {\n  var n = parseFloat(val);\n  return isNaN(n) ? val : n\n}\n\n/**\n * Make a map and return a function for checking if a key\n * is in that map.\n */\nfunction makeMap (\n  str,\n  expectsLowerCase\n) {\n  var map = Object.create(null);\n  var list = str.split(',');\n  for (var i = 0; i < list.length; i++) {\n    map[list[i]] = true;\n  }\n  return expectsLowerCase\n    ? function (val) { return map[val.toLowerCase()]; }\n    : function (val) { return map[val]; }\n}\n\n/**\n * Check if a tag is a built-in tag.\n */\nvar isBuiltInTag = makeMap('slot,component', true);\n\n/**\n * Check if a attribute is a reserved attribute.\n */\nvar isReservedAttribute = makeMap('key,ref,slot,is');\n\n/**\n * Remove an item from an array\n */\nfunction remove (arr, item) {\n  if (arr.length) {\n    var index = arr.indexOf(item);\n    if (index > -1) {\n      return arr.splice(index, 1)\n    }\n  }\n}\n\n/**\n * Check whether the object has the property.\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\nfunction hasOwn (obj, key) {\n  return hasOwnProperty.call(obj, key)\n}\n\n/**\n * Create a cached version of a pure function.\n */\nfunction cached (fn) {\n  var cache = Object.create(null);\n  return (function cachedFn (str) {\n    var hit = cache[str];\n    return hit || (cache[str] = fn(str))\n  })\n}\n\n/**\n * Camelize a hyphen-delimited string.\n */\nvar camelizeRE = /-(\\w)/g;\nvar camelize = cached(function (str) {\n  return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })\n});\n\n/**\n * Capitalize a string.\n */\nvar capitalize = cached(function (str) {\n  return str.charAt(0).toUpperCase() + str.slice(1)\n});\n\n/**\n * Hyphenate a camelCase string.\n */\nvar hyphenateRE = /\\B([A-Z])/g;\nvar hyphenate = cached(function (str) {\n  return str.replace(hyphenateRE, '-$1').toLowerCase()\n});\n\n/**\n * Simple bind, faster than native\n */\nfunction bind (fn, ctx) {\n  function boundFn (a) {\n    var l = arguments.length;\n    return l\n      ? l > 1\n        ? fn.apply(ctx, arguments)\n        : fn.call(ctx, a)\n      : fn.call(ctx)\n  }\n  // record original fn length\n  boundFn._length = fn.length;\n  return boundFn\n}\n\n/**\n * Convert an Array-like object to a real Array.\n */\nfunction toArray (list, start) {\n  start = start || 0;\n  var i = list.length - start;\n  var ret = new Array(i);\n  while (i--) {\n    ret[i] = list[i + start];\n  }\n  return ret\n}\n\n/**\n * Mix properties into target object.\n */\nfunction extend (to, _from) {\n  for (var key in _from) {\n    to[key] = _from[key];\n  }\n  return to\n}\n\n/**\n * Merge an Array of Objects into a single Object.\n */\nfunction toObject (arr) {\n  var res = {};\n  for (var i = 0; i < arr.length; i++) {\n    if (arr[i]) {\n      extend(res, arr[i]);\n    }\n  }\n  return res\n}\n\n/**\n * Perform no operation.\n * Stubbing args to make Flow happy without leaving useless transpiled code\n * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/)\n */\nfunction noop (a, b, c) {}\n\n/**\n * Always return false.\n */\nvar no = function (a, b, c) { return false; };\n\n/**\n * Return same value\n */\nvar identity = function (_) { return _; };\n\n/**\n * Generate a static keys string from compiler modules.\n */\n\n\n/**\n * Check if two values are loosely equal - that is,\n * if they are plain objects, do they have the same shape?\n */\nfunction looseEqual (a, b) {\n  if (a === b) { return true }\n  var isObjectA = isObject(a);\n  var isObjectB = isObject(b);\n  if (isObjectA && isObjectB) {\n    try {\n      var isArrayA = Array.isArray(a);\n      var isArrayB = Array.isArray(b);\n      if (isArrayA && isArrayB) {\n        return a.length === b.length && a.every(function (e, i) {\n          return looseEqual(e, b[i])\n        })\n      } else if (!isArrayA && !isArrayB) {\n        var keysA = Object.keys(a);\n        var keysB = Object.keys(b);\n        return keysA.length === keysB.length && keysA.every(function (key) {\n          return looseEqual(a[key], b[key])\n        })\n      } else {\n        /* istanbul ignore next */\n        return false\n      }\n    } catch (e) {\n      /* istanbul ignore next */\n      return false\n    }\n  } else if (!isObjectA && !isObjectB) {\n    return String(a) === String(b)\n  } else {\n    return false\n  }\n}\n\nfunction looseIndexOf (arr, val) {\n  for (var i = 0; i < arr.length; i++) {\n    if (looseEqual(arr[i], val)) { return i }\n  }\n  return -1\n}\n\n/**\n * Ensure a function is called only once.\n */\nfunction once (fn) {\n  var called = false;\n  return function () {\n    if (!called) {\n      called = true;\n      fn.apply(this, arguments);\n    }\n  }\n}\n\nvar SSR_ATTR = 'data-server-rendered';\n\nvar ASSET_TYPES = [\n  'component',\n  'directive',\n  'filter'\n];\n\nvar LIFECYCLE_HOOKS = [\n  'beforeCreate',\n  'created',\n  'beforeMount',\n  'mounted',\n  'beforeUpdate',\n  'updated',\n  'beforeDestroy',\n  'destroyed',\n  'activated',\n  'deactivated'\n];\n\n/*  */\n\nvar config = ({\n  /**\n   * Option merge strategies (used in core/util/options)\n   */\n  optionMergeStrategies: Object.create(null),\n\n  /**\n   * Whether to suppress warnings.\n   */\n  silent: false,\n\n  /**\n   * Show production mode tip message on boot?\n   */\n  productionTip: process.env.NODE_ENV !== 'production',\n\n  /**\n   * Whether to enable devtools\n   */\n  devtools: process.env.NODE_ENV !== 'production',\n\n  /**\n   * Whether to record perf\n   */\n  performance: false,\n\n  /**\n   * Error handler for watcher errors\n   */\n  errorHandler: null,\n\n  /**\n   * Warn handler for watcher warns\n   */\n  warnHandler: null,\n\n  /**\n   * Ignore certain custom elements\n   */\n  ignoredElements: [],\n\n  /**\n   * Custom user key aliases for v-on\n   */\n  keyCodes: Object.create(null),\n\n  /**\n   * Check if a tag is reserved so that it cannot be registered as a\n   * component. This is platform-dependent and may be overwritten.\n   */\n  isReservedTag: no,\n\n  /**\n   * Check if an attribute is reserved so that it cannot be used as a component\n   * prop. This is platform-dependent and may be overwritten.\n   */\n  isReservedAttr: no,\n\n  /**\n   * Check if a tag is an unknown element.\n   * Platform-dependent.\n   */\n  isUnknownElement: no,\n\n  /**\n   * Get the namespace of an element\n   */\n  getTagNamespace: noop,\n\n  /**\n   * Parse the real tag name for the specific platform.\n   */\n  parsePlatformTagName: identity,\n\n  /**\n   * Check if an attribute must be bound using property, e.g. value\n   * Platform-dependent.\n   */\n  mustUseProp: no,\n\n  /**\n   * Exposed for legacy reasons\n   */\n  _lifecycleHooks: LIFECYCLE_HOOKS\n});\n\n/*  */\n\nvar emptyObject = Object.freeze({});\n\n/**\n * Check if a string starts with $ or _\n */\nfunction isReserved (str) {\n  var c = (str + '').charCodeAt(0);\n  return c === 0x24 || c === 0x5F\n}\n\n/**\n * Define a property.\n */\nfunction def (obj, key, val, enumerable) {\n  Object.defineProperty(obj, key, {\n    value: val,\n    enumerable: !!enumerable,\n    writable: true,\n    configurable: true\n  });\n}\n\n/**\n * Parse simple path.\n */\nvar bailRE = /[^\\w.$]/;\nfunction parsePath (path) {\n  if (bailRE.test(path)) {\n    return\n  }\n  var segments = path.split('.');\n  return function (obj) {\n    for (var i = 0; i < segments.length; i++) {\n      if (!obj) { return }\n      obj = obj[segments[i]];\n    }\n    return obj\n  }\n}\n\n/*  */\n\nvar warn = noop;\nvar tip = noop;\nvar formatComponentName = (null); // work around flow check\n\nif (process.env.NODE_ENV !== 'production') {\n  var hasConsole = typeof console !== 'undefined';\n  var classifyRE = /(?:^|[-_])(\\w)/g;\n  var classify = function (str) { return str\n    .replace(classifyRE, function (c) { return c.toUpperCase(); })\n    .replace(/[-_]/g, ''); };\n\n  warn = function (msg, vm) {\n    var trace = vm ? generateComponentTrace(vm) : '';\n\n    if (config.warnHandler) {\n      config.warnHandler.call(null, msg, vm, trace);\n    } else if (hasConsole && (!config.silent)) {\n      console.error((\"[Vue warn]: \" + msg + trace));\n    }\n  };\n\n  tip = function (msg, vm) {\n    if (hasConsole && (!config.silent)) {\n      console.warn(\"[Vue tip]: \" + msg + (\n        vm ? generateComponentTrace(vm) : ''\n      ));\n    }\n  };\n\n  formatComponentName = function (vm, includeFile) {\n    if (vm.$root === vm) {\n      return '<Root>'\n    }\n    var name = typeof vm === 'string'\n      ? vm\n      : typeof vm === 'function' && vm.options\n        ? vm.options.name\n        : vm._isVue\n          ? vm.$options.name || vm.$options._componentTag\n          : vm.name;\n\n    var file = vm._isVue && vm.$options.__file;\n    if (!name && file) {\n      var match = file.match(/([^/\\\\]+)\\.vue$/);\n      name = match && match[1];\n    }\n\n    return (\n      (name ? (\"<\" + (classify(name)) + \">\") : \"<Anonymous>\") +\n      (file && includeFile !== false ? (\" at \" + file) : '')\n    )\n  };\n\n  var repeat = function (str, n) {\n    var res = '';\n    while (n) {\n      if (n % 2 === 1) { res += str; }\n      if (n > 1) { str += str; }\n      n >>= 1;\n    }\n    return res\n  };\n\n  var generateComponentTrace = function (vm) {\n    if (vm._isVue && vm.$parent) {\n      var tree = [];\n      var currentRecursiveSequence = 0;\n      while (vm) {\n        if (tree.length > 0) {\n          var last = tree[tree.length - 1];\n          if (last.constructor === vm.constructor) {\n            currentRecursiveSequence++;\n            vm = vm.$parent;\n            continue\n          } else if (currentRecursiveSequence > 0) {\n            tree[tree.length - 1] = [last, currentRecursiveSequence];\n            currentRecursiveSequence = 0;\n          }\n        }\n        tree.push(vm);\n        vm = vm.$parent;\n      }\n      return '\\n\\nfound in\\n\\n' + tree\n        .map(function (vm, i) { return (\"\" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm)\n            ? ((formatComponentName(vm[0])) + \"... (\" + (vm[1]) + \" recursive calls)\")\n            : formatComponentName(vm))); })\n        .join('\\n')\n    } else {\n      return (\"\\n\\n(found in \" + (formatComponentName(vm)) + \")\")\n    }\n  };\n}\n\n/*  */\n\nfunction handleError (err, vm, info) {\n  if (config.errorHandler) {\n    config.errorHandler.call(null, err, vm, info);\n  } else {\n    if (process.env.NODE_ENV !== 'production') {\n      warn((\"Error in \" + info + \": \\\"\" + (err.toString()) + \"\\\"\"), vm);\n    }\n    /* istanbul ignore else */\n    if (inBrowser && typeof console !== 'undefined') {\n      console.error(err);\n    } else {\n      throw err\n    }\n  }\n}\n\n/*  */\n/* globals MutationObserver */\n\n// can we use __proto__?\nvar hasProto = '__proto__' in {};\n\n// Browser environment sniffing\nvar inBrowser = typeof window !== 'undefined';\nvar UA = inBrowser && window.navigator.userAgent.toLowerCase();\nvar isIE = UA && /msie|trident/.test(UA);\nvar isIE9 = UA && UA.indexOf('msie 9.0') > 0;\nvar isEdge = UA && UA.indexOf('edge/') > 0;\nvar isAndroid = UA && UA.indexOf('android') > 0;\nvar isIOS = UA && /iphone|ipad|ipod|ios/.test(UA);\nvar isChrome = UA && /chrome\\/\\d+/.test(UA) && !isEdge;\n\n// Firefox has a \"watch\" function on Object.prototype...\nvar nativeWatch = ({}).watch;\n\nvar supportsPassive = false;\nif (inBrowser) {\n  try {\n    var opts = {};\n    Object.defineProperty(opts, 'passive', ({\n      get: function get () {\n        /* istanbul ignore next */\n        supportsPassive = true;\n      }\n    })); // https://github.com/facebook/flow/issues/285\n    window.addEventListener('test-passive', null, opts);\n  } catch (e) {}\n}\n\n// this needs to be lazy-evaled because vue may be required before\n// vue-server-renderer can set VUE_ENV\nvar _isServer;\nvar isServerRendering = function () {\n  if (_isServer === undefined) {\n    /* istanbul ignore if */\n    if (!inBrowser && typeof global !== 'undefined') {\n      // detect presence of vue-server-renderer and avoid\n      // Webpack shimming the process\n      _isServer = global['process'].env.VUE_ENV === 'server';\n    } else {\n      _isServer = false;\n    }\n  }\n  return _isServer\n};\n\n// detect devtools\nvar devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;\n\n/* istanbul ignore next */\nfunction isNative (Ctor) {\n  return typeof Ctor === 'function' && /native code/.test(Ctor.toString())\n}\n\nvar hasSymbol =\n  typeof Symbol !== 'undefined' && isNative(Symbol) &&\n  typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);\n\n/**\n * Defer a task to execute it asynchronously.\n */\nvar nextTick = (function () {\n  var callbacks = [];\n  var pending = false;\n  var timerFunc;\n\n  function nextTickHandler () {\n    pending = false;\n    var copies = callbacks.slice(0);\n    callbacks.length = 0;\n    for (var i = 0; i < copies.length; i++) {\n      copies[i]();\n    }\n  }\n\n  // the nextTick behavior leverages the microtask queue, which can be accessed\n  // via either native Promise.then or MutationObserver.\n  // MutationObserver has wider support, however it is seriously bugged in\n  // UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It\n  // completely stops working after triggering a few times... so, if native\n  // Promise is available, we will use it:\n  /* istanbul ignore if */\n  if (typeof Promise !== 'undefined' && isNative(Promise)) {\n    var p = Promise.resolve();\n    var logError = function (err) { console.error(err); };\n    timerFunc = function () {\n      p.then(nextTickHandler).catch(logError);\n      // in problematic UIWebViews, Promise.then doesn't completely break, but\n      // it can get stuck in a weird state where callbacks are pushed into the\n      // microtask queue but the queue isn't being flushed, until the browser\n      // needs to do some other work, e.g. handle a timer. Therefore we can\n      // \"force\" the microtask queue to be flushed by adding an empty timer.\n      if (isIOS) { setTimeout(noop); }\n    };\n  } else if (!isIE && typeof MutationObserver !== 'undefined' && (\n    isNative(MutationObserver) ||\n    // PhantomJS and iOS 7.x\n    MutationObserver.toString() === '[object MutationObserverConstructor]'\n  )) {\n    // use MutationObserver where native Promise is not available,\n    // e.g. PhantomJS, iOS7, Android 4.4\n    var counter = 1;\n    var observer = new MutationObserver(nextTickHandler);\n    var textNode = document.createTextNode(String(counter));\n    observer.observe(textNode, {\n      characterData: true\n    });\n    timerFunc = function () {\n      counter = (counter + 1) % 2;\n      textNode.data = String(counter);\n    };\n  } else {\n    // fallback to setTimeout\n    /* istanbul ignore next */\n    timerFunc = function () {\n      setTimeout(nextTickHandler, 0);\n    };\n  }\n\n  return function queueNextTick (cb, ctx) {\n    var _resolve;\n    callbacks.push(function () {\n      if (cb) {\n        try {\n          cb.call(ctx);\n        } catch (e) {\n          handleError(e, ctx, 'nextTick');\n        }\n      } else if (_resolve) {\n        _resolve(ctx);\n      }\n    });\n    if (!pending) {\n      pending = true;\n      timerFunc();\n    }\n    if (!cb && typeof Promise !== 'undefined') {\n      return new Promise(function (resolve, reject) {\n        _resolve = resolve;\n      })\n    }\n  }\n})();\n\nvar _Set;\n/* istanbul ignore if */\nif (typeof Set !== 'undefined' && isNative(Set)) {\n  // use native Set when available.\n  _Set = Set;\n} else {\n  // a non-standard Set polyfill that only works with primitive keys.\n  _Set = (function () {\n    function Set () {\n      this.set = Object.create(null);\n    }\n    Set.prototype.has = function has (key) {\n      return this.set[key] === true\n    };\n    Set.prototype.add = function add (key) {\n      this.set[key] = true;\n    };\n    Set.prototype.clear = function clear () {\n      this.set = Object.create(null);\n    };\n\n    return Set;\n  }());\n}\n\n/*  */\n\n\nvar uid$1 = 0;\n\n/**\n * A dep is an observable that can have multiple\n * directives subscribing to it.\n */\nvar Dep = function Dep () {\n  this.id = uid$1++;\n  this.subs = [];\n};\n\nDep.prototype.addSub = function addSub (sub) {\n  this.subs.push(sub);\n};\n\nDep.prototype.removeSub = function removeSub (sub) {\n  remove(this.subs, sub);\n};\n\nDep.prototype.depend = function depend () {\n  if (Dep.target) {\n    Dep.target.addDep(this);\n  }\n};\n\nDep.prototype.notify = function notify () {\n  // stabilize the subscriber list first\n  var subs = this.subs.slice();\n  for (var i = 0, l = subs.length; i < l; i++) {\n    subs[i].update();\n  }\n};\n\n// the current target watcher being evaluated.\n// this is globally unique because there could be only one\n// watcher being evaluated at any time.\nDep.target = null;\nvar targetStack = [];\n\nfunction pushTarget (_target) {\n  if (Dep.target) { targetStack.push(Dep.target); }\n  Dep.target = _target;\n}\n\nfunction popTarget () {\n  Dep.target = targetStack.pop();\n}\n\n/*\n * not type checking this file because flow doesn't play well with\n * dynamically accessing methods on Array prototype\n */\n\nvar arrayProto = Array.prototype;\nvar arrayMethods = Object.create(arrayProto);[\n  'push',\n  'pop',\n  'shift',\n  'unshift',\n  'splice',\n  'sort',\n  'reverse'\n]\n.forEach(function (method) {\n  // cache original method\n  var original = arrayProto[method];\n  def(arrayMethods, method, function mutator () {\n    var args = [], len = arguments.length;\n    while ( len-- ) args[ len ] = arguments[ len ];\n\n    var result = original.apply(this, args);\n    var ob = this.__ob__;\n    var inserted;\n    switch (method) {\n      case 'push':\n      case 'unshift':\n        inserted = args;\n        break\n      case 'splice':\n        inserted = args.slice(2);\n        break\n    }\n    if (inserted) { ob.observeArray(inserted); }\n    // notify change\n    ob.dep.notify();\n    return result\n  });\n});\n\n/*  */\n\nvar arrayKeys = Object.getOwnPropertyNames(arrayMethods);\n\n/**\n * By default, when a reactive property is set, the new value is\n * also converted to become reactive. However when passing down props,\n * we don't want to force conversion because the value may be a nested value\n * under a frozen data structure. Converting it would defeat the optimization.\n */\nvar observerState = {\n  shouldConvert: true\n};\n\n/**\n * Observer class that are attached to each observed\n * object. Once attached, the observer converts target\n * object's property keys into getter/setters that\n * collect dependencies and dispatches updates.\n */\nvar Observer = function Observer (value) {\n  this.value = value;\n  this.dep = new Dep();\n  this.vmCount = 0;\n  def(value, '__ob__', this);\n  if (Array.isArray(value)) {\n    var augment = hasProto\n      ? protoAugment\n      : copyAugment;\n    augment(value, arrayMethods, arrayKeys);\n    this.observeArray(value);\n  } else {\n    this.walk(value);\n  }\n};\n\n/**\n * Walk through each property and convert them into\n * getter/setters. This method should only be called when\n * value type is Object.\n */\nObserver.prototype.walk = function walk (obj) {\n  var keys = Object.keys(obj);\n  for (var i = 0; i < keys.length; i++) {\n    defineReactive$$1(obj, keys[i], obj[keys[i]]);\n  }\n};\n\n/**\n * Observe a list of Array items.\n */\nObserver.prototype.observeArray = function observeArray (items) {\n  for (var i = 0, l = items.length; i < l; i++) {\n    observe(items[i]);\n  }\n};\n\n// helpers\n\n/**\n * Augment an target Object or Array by intercepting\n * the prototype chain using __proto__\n */\nfunction protoAugment (target, src, keys) {\n  /* eslint-disable no-proto */\n  target.__proto__ = src;\n  /* eslint-enable no-proto */\n}\n\n/**\n * Augment an target Object or Array by defining\n * hidden properties.\n */\n/* istanbul ignore next */\nfunction copyAugment (target, src, keys) {\n  for (var i = 0, l = keys.length; i < l; i++) {\n    var key = keys[i];\n    def(target, key, src[key]);\n  }\n}\n\n/**\n * Attempt to create an observer instance for a value,\n * returns the new observer if successfully observed,\n * or the existing observer if the value already has one.\n */\nfunction observe (value, asRootData) {\n  if (!isObject(value)) {\n    return\n  }\n  var ob;\n  if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {\n    ob = value.__ob__;\n  } else if (\n    observerState.shouldConvert &&\n    !isServerRendering() &&\n    (Array.isArray(value) || isPlainObject(value)) &&\n    Object.isExtensible(value) &&\n    !value._isVue\n  ) {\n    ob = new Observer(value);\n  }\n  if (asRootData && ob) {\n    ob.vmCount++;\n  }\n  return ob\n}\n\n/**\n * Define a reactive property on an Object.\n */\nfunction defineReactive$$1 (\n  obj,\n  key,\n  val,\n  customSetter,\n  shallow\n) {\n  var dep = new Dep();\n\n  var property = Object.getOwnPropertyDescriptor(obj, key);\n  if (property && property.configurable === false) {\n    return\n  }\n\n  // cater for pre-defined getter/setters\n  var getter = property && property.get;\n  var setter = property && property.set;\n\n  var childOb = !shallow && observe(val);\n  Object.defineProperty(obj, key, {\n    enumerable: true,\n    configurable: true,\n    get: function reactiveGetter () {\n      var value = getter ? getter.call(obj) : val;\n      if (Dep.target) {\n        dep.depend();\n        if (childOb) {\n          childOb.dep.depend();\n          if (Array.isArray(value)) {\n            dependArray(value);\n          }\n        }\n      }\n      return value\n    },\n    set: function reactiveSetter (newVal) {\n      var value = getter ? getter.call(obj) : val;\n      /* eslint-disable no-self-compare */\n      if (newVal === value || (newVal !== newVal && value !== value)) {\n        return\n      }\n      /* eslint-enable no-self-compare */\n      if (process.env.NODE_ENV !== 'production' && customSetter) {\n        customSetter();\n      }\n      if (setter) {\n        setter.call(obj, newVal);\n      } else {\n        val = newVal;\n      }\n      childOb = !shallow && observe(newVal);\n      dep.notify();\n    }\n  });\n}\n\n/**\n * Set a property on an object. Adds the new property and\n * triggers change notification if the property doesn't\n * already exist.\n */\nfunction set (target, key, val) {\n  if (Array.isArray(target) && isValidArrayIndex(key)) {\n    target.length = Math.max(target.length, key);\n    target.splice(key, 1, val);\n    return val\n  }\n  if (hasOwn(target, key)) {\n    target[key] = val;\n    return val\n  }\n  var ob = (target).__ob__;\n  if (target._isVue || (ob && ob.vmCount)) {\n    process.env.NODE_ENV !== 'production' && warn(\n      'Avoid adding reactive properties to a Vue instance or its root $data ' +\n      'at runtime - declare it upfront in the data option.'\n    );\n    return val\n  }\n  if (!ob) {\n    target[key] = val;\n    return val\n  }\n  defineReactive$$1(ob.value, key, val);\n  ob.dep.notify();\n  return val\n}\n\n/**\n * Delete a property and trigger change if necessary.\n */\nfunction del (target, key) {\n  if (Array.isArray(target) && isValidArrayIndex(key)) {\n    target.splice(key, 1);\n    return\n  }\n  var ob = (target).__ob__;\n  if (target._isVue || (ob && ob.vmCount)) {\n    process.env.NODE_ENV !== 'production' && warn(\n      'Avoid deleting properties on a Vue instance or its root $data ' +\n      '- just set it to null.'\n    );\n    return\n  }\n  if (!hasOwn(target, key)) {\n    return\n  }\n  delete target[key];\n  if (!ob) {\n    return\n  }\n  ob.dep.notify();\n}\n\n/**\n * Collect dependencies on array elements when the array is touched, since\n * we cannot intercept array element access like property getters.\n */\nfunction dependArray (value) {\n  for (var e = (void 0), i = 0, l = value.length; i < l; i++) {\n    e = value[i];\n    e && e.__ob__ && e.__ob__.dep.depend();\n    if (Array.isArray(e)) {\n      dependArray(e);\n    }\n  }\n}\n\n/*  */\n\n/**\n * Option overwriting strategies are functions that handle\n * how to merge a parent option value and a child option\n * value into the final value.\n */\nvar strats = config.optionMergeStrategies;\n\n/**\n * Options with restrictions\n */\nif (process.env.NODE_ENV !== 'production') {\n  strats.el = strats.propsData = function (parent, child, vm, key) {\n    if (!vm) {\n      warn(\n        \"option \\\"\" + key + \"\\\" can only be used during instance \" +\n        'creation with the `new` keyword.'\n      );\n    }\n    return defaultStrat(parent, child)\n  };\n}\n\n/**\n * Helper that recursively merges two data objects together.\n */\nfunction mergeData (to, from) {\n  if (!from) { return to }\n  var key, toVal, fromVal;\n  var keys = Object.keys(from);\n  for (var i = 0; i < keys.length; i++) {\n    key = keys[i];\n    toVal = to[key];\n    fromVal = from[key];\n    if (!hasOwn(to, key)) {\n      set(to, key, fromVal);\n    } else if (isPlainObject(toVal) && isPlainObject(fromVal)) {\n      mergeData(toVal, fromVal);\n    }\n  }\n  return to\n}\n\n/**\n * Data\n */\nfunction mergeDataOrFn (\n  parentVal,\n  childVal,\n  vm\n) {\n  if (!vm) {\n    // in a Vue.extend merge, both should be functions\n    if (!childVal) {\n      return parentVal\n    }\n    if (!parentVal) {\n      return childVal\n    }\n    // when parentVal & childVal are both present,\n    // we need to return a function that returns the\n    // merged result of both functions... no need to\n    // check if parentVal is a function here because\n    // it has to be a function to pass previous merges.\n    return function mergedDataFn () {\n      return mergeData(\n        typeof childVal === 'function' ? childVal.call(this) : childVal,\n        typeof parentVal === 'function' ? parentVal.call(this) : parentVal\n      )\n    }\n  } else if (parentVal || childVal) {\n    return function mergedInstanceDataFn () {\n      // instance merge\n      var instanceData = typeof childVal === 'function'\n        ? childVal.call(vm)\n        : childVal;\n      var defaultData = typeof parentVal === 'function'\n        ? parentVal.call(vm)\n        : parentVal;\n      if (instanceData) {\n        return mergeData(instanceData, defaultData)\n      } else {\n        return defaultData\n      }\n    }\n  }\n}\n\nstrats.data = function (\n  parentVal,\n  childVal,\n  vm\n) {\n  if (!vm) {\n    if (childVal && typeof childVal !== 'function') {\n      process.env.NODE_ENV !== 'production' && warn(\n        'The \"data\" option should be a function ' +\n        'that returns a per-instance value in component ' +\n        'definitions.',\n        vm\n      );\n\n      return parentVal\n    }\n    return mergeDataOrFn.call(this, parentVal, childVal)\n  }\n\n  return mergeDataOrFn(parentVal, childVal, vm)\n};\n\n/**\n * Hooks and props are merged as arrays.\n */\nfunction mergeHook (\n  parentVal,\n  childVal\n) {\n  return childVal\n    ? parentVal\n      ? parentVal.concat(childVal)\n      : Array.isArray(childVal)\n        ? childVal\n        : [childVal]\n    : parentVal\n}\n\nLIFECYCLE_HOOKS.forEach(function (hook) {\n  strats[hook] = mergeHook;\n});\n\n/**\n * Assets\n *\n * When a vm is present (instance creation), we need to do\n * a three-way merge between constructor options, instance\n * options and parent options.\n */\nfunction mergeAssets (parentVal, childVal) {\n  var res = Object.create(parentVal || null);\n  return childVal\n    ? extend(res, childVal)\n    : res\n}\n\nASSET_TYPES.forEach(function (type) {\n  strats[type + 's'] = mergeAssets;\n});\n\n/**\n * Watchers.\n *\n * Watchers hashes should not overwrite one\n * another, so we merge them as arrays.\n */\nstrats.watch = function (parentVal, childVal) {\n  // work around Firefox's Object.prototype.watch...\n  if (parentVal === nativeWatch) { parentVal = undefined; }\n  if (childVal === nativeWatch) { childVal = undefined; }\n  /* istanbul ignore if */\n  if (!childVal) { return Object.create(parentVal || null) }\n  if (!parentVal) { return childVal }\n  var ret = {};\n  extend(ret, parentVal);\n  for (var key in childVal) {\n    var parent = ret[key];\n    var child = childVal[key];\n    if (parent && !Array.isArray(parent)) {\n      parent = [parent];\n    }\n    ret[key] = parent\n      ? parent.concat(child)\n      : Array.isArray(child) ? child : [child];\n  }\n  return ret\n};\n\n/**\n * Other object hashes.\n */\nstrats.props =\nstrats.methods =\nstrats.inject =\nstrats.computed = function (parentVal, childVal) {\n  if (!parentVal) { return childVal }\n  var ret = Object.create(null);\n  extend(ret, parentVal);\n  if (childVal) { extend(ret, childVal); }\n  return ret\n};\nstrats.provide = mergeDataOrFn;\n\n/**\n * Default strategy.\n */\nvar defaultStrat = function (parentVal, childVal) {\n  return childVal === undefined\n    ? parentVal\n    : childVal\n};\n\n/**\n * Validate component names\n */\nfunction checkComponents (options) {\n  for (var key in options.components) {\n    var lower = key.toLowerCase();\n    if (isBuiltInTag(lower) || config.isReservedTag(lower)) {\n      warn(\n        'Do not use built-in or reserved HTML elements as component ' +\n        'id: ' + key\n      );\n    }\n  }\n}\n\n/**\n * Ensure all props option syntax are normalized into the\n * Object-based format.\n */\nfunction normalizeProps (options) {\n  var props = options.props;\n  if (!props) { return }\n  var res = {};\n  var i, val, name;\n  if (Array.isArray(props)) {\n    i = props.length;\n    while (i--) {\n      val = props[i];\n      if (typeof val === 'string') {\n        name = camelize(val);\n        res[name] = { type: null };\n      } else if (process.env.NODE_ENV !== 'production') {\n        warn('props must be strings when using array syntax.');\n      }\n    }\n  } else if (isPlainObject(props)) {\n    for (var key in props) {\n      val = props[key];\n      name = camelize(key);\n      res[name] = isPlainObject(val)\n        ? val\n        : { type: val };\n    }\n  }\n  options.props = res;\n}\n\n/**\n * Normalize all injections into Object-based format\n */\nfunction normalizeInject (options) {\n  var inject = options.inject;\n  if (Array.isArray(inject)) {\n    var normalized = options.inject = {};\n    for (var i = 0; i < inject.length; i++) {\n      normalized[inject[i]] = inject[i];\n    }\n  }\n}\n\n/**\n * Normalize raw function directives into object format.\n */\nfunction normalizeDirectives (options) {\n  var dirs = options.directives;\n  if (dirs) {\n    for (var key in dirs) {\n      var def = dirs[key];\n      if (typeof def === 'function') {\n        dirs[key] = { bind: def, update: def };\n      }\n    }\n  }\n}\n\n/**\n * Merge two option objects into a new one.\n * Core utility used in both instantiation and inheritance.\n */\nfunction mergeOptions (\n  parent,\n  child,\n  vm\n) {\n  if (process.env.NODE_ENV !== 'production') {\n    checkComponents(child);\n  }\n\n  if (typeof child === 'function') {\n    child = child.options;\n  }\n\n  normalizeProps(child);\n  normalizeInject(child);\n  normalizeDirectives(child);\n  var extendsFrom = child.extends;\n  if (extendsFrom) {\n    parent = mergeOptions(parent, extendsFrom, vm);\n  }\n  if (child.mixins) {\n    for (var i = 0, l = child.mixins.length; i < l; i++) {\n      parent = mergeOptions(parent, child.mixins[i], vm);\n    }\n  }\n  var options = {};\n  var key;\n  for (key in parent) {\n    mergeField(key);\n  }\n  for (key in child) {\n    if (!hasOwn(parent, key)) {\n      mergeField(key);\n    }\n  }\n  function mergeField (key) {\n    var strat = strats[key] || defaultStrat;\n    options[key] = strat(parent[key], child[key], vm, key);\n  }\n  return options\n}\n\n/**\n * Resolve an asset.\n * This function is used because child instances need access\n * to assets defined in its ancestor chain.\n */\nfunction resolveAsset (\n  options,\n  type,\n  id,\n  warnMissing\n) {\n  /* istanbul ignore if */\n  if (typeof id !== 'string') {\n    return\n  }\n  var assets = options[type];\n  // check local registration variations first\n  if (hasOwn(assets, id)) { return assets[id] }\n  var camelizedId = camelize(id);\n  if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }\n  var PascalCaseId = capitalize(camelizedId);\n  if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }\n  // fallback to prototype chain\n  var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];\n  if (process.env.NODE_ENV !== 'production' && warnMissing && !res) {\n    warn(\n      'Failed to resolve ' + type.slice(0, -1) + ': ' + id,\n      options\n    );\n  }\n  return res\n}\n\n/*  */\n\nfunction validateProp (\n  key,\n  propOptions,\n  propsData,\n  vm\n) {\n  var prop = propOptions[key];\n  var absent = !hasOwn(propsData, key);\n  var value = propsData[key];\n  // handle boolean props\n  if (isType(Boolean, prop.type)) {\n    if (absent && !hasOwn(prop, 'default')) {\n      value = false;\n    } else if (!isType(String, prop.type) && (value === '' || value === hyphenate(key))) {\n      value = true;\n    }\n  }\n  // check default value\n  if (value === undefined) {\n    value = getPropDefaultValue(vm, prop, key);\n    // since the default value is a fresh copy,\n    // make sure to observe it.\n    var prevShouldConvert = observerState.shouldConvert;\n    observerState.shouldConvert = true;\n    observe(value);\n    observerState.shouldConvert = prevShouldConvert;\n  }\n  if (process.env.NODE_ENV !== 'production') {\n    assertProp(prop, key, value, vm, absent);\n  }\n  return value\n}\n\n/**\n * Get the default value of a prop.\n */\nfunction getPropDefaultValue (vm, prop, key) {\n  // no default, return undefined\n  if (!hasOwn(prop, 'default')) {\n    return undefined\n  }\n  var def = prop.default;\n  // warn against non-factory defaults for Object & Array\n  if (process.env.NODE_ENV !== 'production' && isObject(def)) {\n    warn(\n      'Invalid default value for prop \"' + key + '\": ' +\n      'Props with type Object/Array must use a factory function ' +\n      'to return the default value.',\n      vm\n    );\n  }\n  // the raw prop value was also undefined from previous render,\n  // return previous default value to avoid unnecessary watcher trigger\n  if (vm && vm.$options.propsData &&\n    vm.$options.propsData[key] === undefined &&\n    vm._props[key] !== undefined\n  ) {\n    return vm._props[key]\n  }\n  // call factory function for non-Function types\n  // a value is Function if its prototype is function even across different execution context\n  return typeof def === 'function' && getType(prop.type) !== 'Function'\n    ? def.call(vm)\n    : def\n}\n\n/**\n * Assert whether a prop is valid.\n */\nfunction assertProp (\n  prop,\n  name,\n  value,\n  vm,\n  absent\n) {\n  if (prop.required && absent) {\n    warn(\n      'Missing required prop: \"' + name + '\"',\n      vm\n    );\n    return\n  }\n  if (value == null && !prop.required) {\n    return\n  }\n  var type = prop.type;\n  var valid = !type || type === true;\n  var expectedTypes = [];\n  if (type) {\n    if (!Array.isArray(type)) {\n      type = [type];\n    }\n    for (var i = 0; i < type.length && !valid; i++) {\n      var assertedType = assertType(value, type[i]);\n      expectedTypes.push(assertedType.expectedType || '');\n      valid = assertedType.valid;\n    }\n  }\n  if (!valid) {\n    warn(\n      'Invalid prop: type check failed for prop \"' + name + '\".' +\n      ' Expected ' + expectedTypes.map(capitalize).join(', ') +\n      ', got ' + Object.prototype.toString.call(value).slice(8, -1) + '.',\n      vm\n    );\n    return\n  }\n  var validator = prop.validator;\n  if (validator) {\n    if (!validator(value)) {\n      warn(\n        'Invalid prop: custom validator check failed for prop \"' + name + '\".',\n        vm\n      );\n    }\n  }\n}\n\nvar simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/;\n\nfunction assertType (value, type) {\n  var valid;\n  var expectedType = getType(type);\n  if (simpleCheckRE.test(expectedType)) {\n    var t = typeof value;\n    valid = t === expectedType.toLowerCase();\n    // for primitive wrapper objects\n    if (!valid && t === 'object') {\n      valid = value instanceof type;\n    }\n  } else if (expectedType === 'Object') {\n    valid = isPlainObject(value);\n  } else if (expectedType === 'Array') {\n    valid = Array.isArray(value);\n  } else {\n    valid = value instanceof type;\n  }\n  return {\n    valid: valid,\n    expectedType: expectedType\n  }\n}\n\n/**\n * Use function string name to check built-in types,\n * because a simple equality check will fail when running\n * across different vms / iframes.\n */\nfunction getType (fn) {\n  var match = fn && fn.toString().match(/^\\s*function (\\w+)/);\n  return match ? match[1] : ''\n}\n\nfunction isType (type, fn) {\n  if (!Array.isArray(fn)) {\n    return getType(fn) === getType(type)\n  }\n  for (var i = 0, len = fn.length; i < len; i++) {\n    if (getType(fn[i]) === getType(type)) {\n      return true\n    }\n  }\n  /* istanbul ignore next */\n  return false\n}\n\n/*  */\n\n/* not type checking this file because flow doesn't play well with Proxy */\n\nvar initProxy;\n\nif (process.env.NODE_ENV !== 'production') {\n  var allowedGlobals = makeMap(\n    'Infinity,undefined,NaN,isFinite,isNaN,' +\n    'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +\n    'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' +\n    'require' // for Webpack/Browserify\n  );\n\n  var warnNonPresent = function (target, key) {\n    warn(\n      \"Property or method \\\"\" + key + \"\\\" is not defined on the instance but \" +\n      \"referenced during render. Make sure to declare reactive data \" +\n      \"properties in the data option.\",\n      target\n    );\n  };\n\n  var hasProxy =\n    typeof Proxy !== 'undefined' &&\n    Proxy.toString().match(/native code/);\n\n  if (hasProxy) {\n    var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta');\n    config.keyCodes = new Proxy(config.keyCodes, {\n      set: function set (target, key, value) {\n        if (isBuiltInModifier(key)) {\n          warn((\"Avoid overwriting built-in modifier in config.keyCodes: .\" + key));\n          return false\n        } else {\n          target[key] = value;\n          return true\n        }\n      }\n    });\n  }\n\n  var hasHandler = {\n    has: function has (target, key) {\n      var has = key in target;\n      var isAllowed = allowedGlobals(key) || key.charAt(0) === '_';\n      if (!has && !isAllowed) {\n        warnNonPresent(target, key);\n      }\n      return has || !isAllowed\n    }\n  };\n\n  var getHandler = {\n    get: function get (target, key) {\n      if (typeof key === 'string' && !(key in target)) {\n        warnNonPresent(target, key);\n      }\n      return target[key]\n    }\n  };\n\n  initProxy = function initProxy (vm) {\n    if (hasProxy) {\n      // determine which proxy handler to use\n      var options = vm.$options;\n      var handlers = options.render && options.render._withStripped\n        ? getHandler\n        : hasHandler;\n      vm._renderProxy = new Proxy(vm, handlers);\n    } else {\n      vm._renderProxy = vm;\n    }\n  };\n}\n\nvar mark;\nvar measure;\n\nif (process.env.NODE_ENV !== 'production') {\n  var perf = inBrowser && window.performance;\n  /* istanbul ignore if */\n  if (\n    perf &&\n    perf.mark &&\n    perf.measure &&\n    perf.clearMarks &&\n    perf.clearMeasures\n  ) {\n    mark = function (tag) { return perf.mark(tag); };\n    measure = function (name, startTag, endTag) {\n      perf.measure(name, startTag, endTag);\n      perf.clearMarks(startTag);\n      perf.clearMarks(endTag);\n      perf.clearMeasures(name);\n    };\n  }\n}\n\n/*  */\n\nvar VNode = function VNode (\n  tag,\n  data,\n  children,\n  text,\n  elm,\n  context,\n  componentOptions,\n  asyncFactory\n) {\n  this.tag = tag;\n  this.data = data;\n  this.children = children;\n  this.text = text;\n  this.elm = elm;\n  this.ns = undefined;\n  this.context = context;\n  this.functionalContext = undefined;\n  this.key = data && data.key;\n  this.componentOptions = componentOptions;\n  this.componentInstance = undefined;\n  this.parent = undefined;\n  this.raw = false;\n  this.isStatic = false;\n  this.isRootInsert = true;\n  this.isComment = false;\n  this.isCloned = false;\n  this.isOnce = false;\n  this.asyncFactory = asyncFactory;\n  this.asyncMeta = undefined;\n  this.isAsyncPlaceholder = false;\n};\n\nvar prototypeAccessors = { child: {} };\n\n// DEPRECATED: alias for componentInstance for backwards compat.\n/* istanbul ignore next */\nprototypeAccessors.child.get = function () {\n  return this.componentInstance\n};\n\nObject.defineProperties( VNode.prototype, prototypeAccessors );\n\nvar createEmptyVNode = function (text) {\n  if ( text === void 0 ) text = '';\n\n  var node = new VNode();\n  node.text = text;\n  node.isComment = true;\n  return node\n};\n\nfunction createTextVNode (val) {\n  return new VNode(undefined, undefined, undefined, String(val))\n}\n\n// optimized shallow clone\n// used for static nodes and slot nodes because they may be reused across\n// multiple renders, cloning them avoids errors when DOM manipulations rely\n// on their elm reference.\nfunction cloneVNode (vnode, deep) {\n  var cloned = new VNode(\n    vnode.tag,\n    vnode.data,\n    vnode.children,\n    vnode.text,\n    vnode.elm,\n    vnode.context,\n    vnode.componentOptions,\n    vnode.asyncFactory\n  );\n  cloned.ns = vnode.ns;\n  cloned.isStatic = vnode.isStatic;\n  cloned.key = vnode.key;\n  cloned.isComment = vnode.isComment;\n  cloned.isCloned = true;\n  if (deep && vnode.children) {\n    cloned.children = cloneVNodes(vnode.children);\n  }\n  return cloned\n}\n\nfunction cloneVNodes (vnodes, deep) {\n  var len = vnodes.length;\n  var res = new Array(len);\n  for (var i = 0; i < len; i++) {\n    res[i] = cloneVNode(vnodes[i], deep);\n  }\n  return res\n}\n\n/*  */\n\nvar normalizeEvent = cached(function (name) {\n  var passive = name.charAt(0) === '&';\n  name = passive ? name.slice(1) : name;\n  var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first\n  name = once$$1 ? name.slice(1) : name;\n  var capture = name.charAt(0) === '!';\n  name = capture ? name.slice(1) : name;\n  var plain = !(passive || once$$1 || capture);\n  return {\n    name: name,\n    plain: plain,\n    once: once$$1,\n    capture: capture,\n    passive: passive\n  }\n});\n\nfunction createFnInvoker (fns) {\n  function invoker () {\n    var arguments$1 = arguments;\n\n    var fns = invoker.fns;\n    if (Array.isArray(fns)) {\n      var cloned = fns.slice();\n      for (var i = 0; i < cloned.length; i++) {\n        cloned[i].apply(null, arguments$1);\n      }\n    } else {\n      // return handler return value for single handlers\n      return fns.apply(null, arguments)\n    }\n  }\n  invoker.fns = fns;\n  return invoker\n}\n\n// #6552\nfunction prioritizePlainEvents (a, b) {\n  return a.plain ? -1 : b.plain ? 1 : 0\n}\n\nfunction updateListeners (\n  on,\n  oldOn,\n  add,\n  remove$$1,\n  vm\n) {\n  var name, cur, old, event;\n  var toAdd = [];\n  var hasModifier = false;\n  for (name in on) {\n    cur = on[name];\n    old = oldOn[name];\n    event = normalizeEvent(name);\n    if (!event.plain) { hasModifier = true; }\n    if (isUndef(cur)) {\n      process.env.NODE_ENV !== 'production' && warn(\n        \"Invalid handler for event \\\"\" + (event.name) + \"\\\": got \" + String(cur),\n        vm\n      );\n    } else if (isUndef(old)) {\n      if (isUndef(cur.fns)) {\n        cur = on[name] = createFnInvoker(cur);\n      }\n      event.handler = cur;\n      toAdd.push(event);\n    } else if (cur !== old) {\n      old.fns = cur;\n      on[name] = old;\n    }\n  }\n  if (toAdd.length) {\n    if (hasModifier) { toAdd.sort(prioritizePlainEvents); }\n    for (var i = 0; i < toAdd.length; i++) {\n      var event$1 = toAdd[i];\n      add(event$1.name, event$1.handler, event$1.once, event$1.capture, event$1.passive);\n    }\n  }\n  for (name in oldOn) {\n    if (isUndef(on[name])) {\n      event = normalizeEvent(name);\n      remove$$1(event.name, oldOn[name], event.capture);\n    }\n  }\n}\n\n/*  */\n\nfunction mergeVNodeHook (def, hookKey, hook) {\n  var invoker;\n  var oldHook = def[hookKey];\n\n  function wrappedHook () {\n    hook.apply(this, arguments);\n    // important: remove merged hook to ensure it's called only once\n    // and prevent memory leak\n    remove(invoker.fns, wrappedHook);\n  }\n\n  if (isUndef(oldHook)) {\n    // no existing hook\n    invoker = createFnInvoker([wrappedHook]);\n  } else {\n    /* istanbul ignore if */\n    if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {\n      // already a merged invoker\n      invoker = oldHook;\n      invoker.fns.push(wrappedHook);\n    } else {\n      // existing plain hook\n      invoker = createFnInvoker([oldHook, wrappedHook]);\n    }\n  }\n\n  invoker.merged = true;\n  def[hookKey] = invoker;\n}\n\n/*  */\n\nfunction extractPropsFromVNodeData (\n  data,\n  Ctor,\n  tag\n) {\n  // we are only extracting raw values here.\n  // validation and default values are handled in the child\n  // component itself.\n  var propOptions = Ctor.options.props;\n  if (isUndef(propOptions)) {\n    return\n  }\n  var res = {};\n  var attrs = data.attrs;\n  var props = data.props;\n  if (isDef(attrs) || isDef(props)) {\n    for (var key in propOptions) {\n      var altKey = hyphenate(key);\n      if (process.env.NODE_ENV !== 'production') {\n        var keyInLowerCase = key.toLowerCase();\n        if (\n          key !== keyInLowerCase &&\n          attrs && hasOwn(attrs, keyInLowerCase)\n        ) {\n          tip(\n            \"Prop \\\"\" + keyInLowerCase + \"\\\" is passed to component \" +\n            (formatComponentName(tag || Ctor)) + \", but the declared prop name is\" +\n            \" \\\"\" + key + \"\\\". \" +\n            \"Note that HTML attributes are case-insensitive and camelCased \" +\n            \"props need to use their kebab-case equivalents when using in-DOM \" +\n            \"templates. You should probably use \\\"\" + altKey + \"\\\" instead of \\\"\" + key + \"\\\".\"\n          );\n        }\n      }\n      checkProp(res, props, key, altKey, true) ||\n      checkProp(res, attrs, key, altKey, false);\n    }\n  }\n  return res\n}\n\nfunction checkProp (\n  res,\n  hash,\n  key,\n  altKey,\n  preserve\n) {\n  if (isDef(hash)) {\n    if (hasOwn(hash, key)) {\n      res[key] = hash[key];\n      if (!preserve) {\n        delete hash[key];\n      }\n      return true\n    } else if (hasOwn(hash, altKey)) {\n      res[key] = hash[altKey];\n      if (!preserve) {\n        delete hash[altKey];\n      }\n      return true\n    }\n  }\n  return false\n}\n\n/*  */\n\n// The template compiler attempts to minimize the need for normalization by\n// statically analyzing the template at compile time.\n//\n// For plain HTML markup, normalization can be completely skipped because the\n// generated render function is guaranteed to return Array<VNode>. There are\n// two cases where extra normalization is needed:\n\n// 1. When the children contains components - because a functional component\n// may return an Array instead of a single root. In this case, just a simple\n// normalization is needed - if any child is an Array, we flatten the whole\n// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep\n// because functional components already normalize their own children.\nfunction simpleNormalizeChildren (children) {\n  for (var i = 0; i < children.length; i++) {\n    if (Array.isArray(children[i])) {\n      return Array.prototype.concat.apply([], children)\n    }\n  }\n  return children\n}\n\n// 2. When the children contains constructs that always generated nested Arrays,\n// e.g. <template>, <slot>, v-for, or when the children is provided by user\n// with hand-written render functions / JSX. In such cases a full normalization\n// is needed to cater to all possible types of children values.\nfunction normalizeChildren (children) {\n  return isPrimitive(children)\n    ? [createTextVNode(children)]\n    : Array.isArray(children)\n      ? normalizeArrayChildren(children)\n      : undefined\n}\n\nfunction isTextNode (node) {\n  return isDef(node) && isDef(node.text) && isFalse(node.isComment)\n}\n\nfunction normalizeArrayChildren (children, nestedIndex) {\n  var res = [];\n  var i, c, last;\n  for (i = 0; i < children.length; i++) {\n    c = children[i];\n    if (isUndef(c) || typeof c === 'boolean') { continue }\n    last = res[res.length - 1];\n    //  nested\n    if (Array.isArray(c)) {\n      res.push.apply(res, normalizeArrayChildren(c, ((nestedIndex || '') + \"_\" + i)));\n    } else if (isPrimitive(c)) {\n      if (isTextNode(last)) {\n        // merge adjacent text nodes\n        // this is necessary for SSR hydration because text nodes are\n        // essentially merged when rendered to HTML strings\n        (last).text += String(c);\n      } else if (c !== '') {\n        // convert primitive to vnode\n        res.push(createTextVNode(c));\n      }\n    } else {\n      if (isTextNode(c) && isTextNode(last)) {\n        // merge adjacent text nodes\n        res[res.length - 1] = createTextVNode(last.text + c.text);\n      } else {\n        // default key for nested array children (likely generated by v-for)\n        if (isTrue(children._isVList) &&\n          isDef(c.tag) &&\n          isUndef(c.key) &&\n          isDef(nestedIndex)) {\n          c.key = \"__vlist\" + nestedIndex + \"_\" + i + \"__\";\n        }\n        res.push(c);\n      }\n    }\n  }\n  return res\n}\n\n/*  */\n\nfunction ensureCtor (comp, base) {\n  if (comp.__esModule && comp.default) {\n    comp = comp.default;\n  }\n  return isObject(comp)\n    ? base.extend(comp)\n    : comp\n}\n\nfunction createAsyncPlaceholder (\n  factory,\n  data,\n  context,\n  children,\n  tag\n) {\n  var node = createEmptyVNode();\n  node.asyncFactory = factory;\n  node.asyncMeta = { data: data, context: context, children: children, tag: tag };\n  return node\n}\n\nfunction resolveAsyncComponent (\n  factory,\n  baseCtor,\n  context\n) {\n  if (isTrue(factory.error) && isDef(factory.errorComp)) {\n    return factory.errorComp\n  }\n\n  if (isDef(factory.resolved)) {\n    return factory.resolved\n  }\n\n  if (isTrue(factory.loading) && isDef(factory.loadingComp)) {\n    return factory.loadingComp\n  }\n\n  if (isDef(factory.contexts)) {\n    // already pending\n    factory.contexts.push(context);\n  } else {\n    var contexts = factory.contexts = [context];\n    var sync = true;\n\n    var forceRender = function () {\n      for (var i = 0, l = contexts.length; i < l; i++) {\n        contexts[i].$forceUpdate();\n      }\n    };\n\n    var resolve = once(function (res) {\n      // cache resolved\n      factory.resolved = ensureCtor(res, baseCtor);\n      // invoke callbacks only if this is not a synchronous resolve\n      // (async resolves are shimmed as synchronous during SSR)\n      if (!sync) {\n        forceRender();\n      }\n    });\n\n    var reject = once(function (reason) {\n      process.env.NODE_ENV !== 'production' && warn(\n        \"Failed to resolve async component: \" + (String(factory)) +\n        (reason ? (\"\\nReason: \" + reason) : '')\n      );\n      if (isDef(factory.errorComp)) {\n        factory.error = true;\n        forceRender();\n      }\n    });\n\n    var res = factory(resolve, reject);\n\n    if (isObject(res)) {\n      if (typeof res.then === 'function') {\n        // () => Promise\n        if (isUndef(factory.resolved)) {\n          res.then(resolve, reject);\n        }\n      } else if (isDef(res.component) && typeof res.component.then === 'function') {\n        res.component.then(resolve, reject);\n\n        if (isDef(res.error)) {\n          factory.errorComp = ensureCtor(res.error, baseCtor);\n        }\n\n        if (isDef(res.loading)) {\n          factory.loadingComp = ensureCtor(res.loading, baseCtor);\n          if (res.delay === 0) {\n            factory.loading = true;\n          } else {\n            setTimeout(function () {\n              if (isUndef(factory.resolved) && isUndef(factory.error)) {\n                factory.loading = true;\n                forceRender();\n              }\n            }, res.delay || 200);\n          }\n        }\n\n        if (isDef(res.timeout)) {\n          setTimeout(function () {\n            if (isUndef(factory.resolved)) {\n              reject(\n                process.env.NODE_ENV !== 'production'\n                  ? (\"timeout (\" + (res.timeout) + \"ms)\")\n                  : null\n              );\n            }\n          }, res.timeout);\n        }\n      }\n    }\n\n    sync = false;\n    // return in case resolved synchronously\n    return factory.loading\n      ? factory.loadingComp\n      : factory.resolved\n  }\n}\n\n/*  */\n\nfunction isAsyncPlaceholder (node) {\n  return node.isComment && node.asyncFactory\n}\n\n/*  */\n\nfunction getFirstComponentChild (children) {\n  if (Array.isArray(children)) {\n    for (var i = 0; i < children.length; i++) {\n      var c = children[i];\n      if (isDef(c) && (isDef(c.componentOptions) || isAsyncPlaceholder(c))) {\n        return c\n      }\n    }\n  }\n}\n\n/*  */\n\n/*  */\n\nfunction initEvents (vm) {\n  vm._events = Object.create(null);\n  vm._hasHookEvent = false;\n  // init parent attached events\n  var listeners = vm.$options._parentListeners;\n  if (listeners) {\n    updateComponentListeners(vm, listeners);\n  }\n}\n\nvar target;\n\nfunction add (event, fn, once$$1) {\n  if (once$$1) {\n    target.$once(event, fn);\n  } else {\n    target.$on(event, fn);\n  }\n}\n\nfunction remove$1 (event, fn) {\n  target.$off(event, fn);\n}\n\nfunction updateComponentListeners (\n  vm,\n  listeners,\n  oldListeners\n) {\n  target = vm;\n  updateListeners(listeners, oldListeners || {}, add, remove$1, vm);\n}\n\nfunction eventsMixin (Vue) {\n  var hookRE = /^hook:/;\n  Vue.prototype.$on = function (event, fn) {\n    var this$1 = this;\n\n    var vm = this;\n    if (Array.isArray(event)) {\n      for (var i = 0, l = event.length; i < l; i++) {\n        this$1.$on(event[i], fn);\n      }\n    } else {\n      (vm._events[event] || (vm._events[event] = [])).push(fn);\n      // optimize hook:event cost by using a boolean flag marked at registration\n      // instead of a hash lookup\n      if (hookRE.test(event)) {\n        vm._hasHookEvent = true;\n      }\n    }\n    return vm\n  };\n\n  Vue.prototype.$once = function (event, fn) {\n    var vm = this;\n    function on () {\n      vm.$off(event, on);\n      fn.apply(vm, arguments);\n    }\n    on.fn = fn;\n    vm.$on(event, on);\n    return vm\n  };\n\n  Vue.prototype.$off = function (event, fn) {\n    var this$1 = this;\n\n    var vm = this;\n    // all\n    if (!arguments.length) {\n      vm._events = Object.create(null);\n      return vm\n    }\n    // array of events\n    if (Array.isArray(event)) {\n      for (var i = 0, l = event.length; i < l; i++) {\n        this$1.$off(event[i], fn);\n      }\n      return vm\n    }\n    // specific event\n    var cbs = vm._events[event];\n    if (!cbs) {\n      return vm\n    }\n    if (arguments.length === 1) {\n      vm._events[event] = null;\n      return vm\n    }\n    if (fn) {\n      // specific handler\n      var cb;\n      var i$1 = cbs.length;\n      while (i$1--) {\n        cb = cbs[i$1];\n        if (cb === fn || cb.fn === fn) {\n          cbs.splice(i$1, 1);\n          break\n        }\n      }\n    }\n    return vm\n  };\n\n  Vue.prototype.$emit = function (event) {\n    var vm = this;\n    if (process.env.NODE_ENV !== 'production') {\n      var lowerCaseEvent = event.toLowerCase();\n      if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) {\n        tip(\n          \"Event \\\"\" + lowerCaseEvent + \"\\\" is emitted in component \" +\n          (formatComponentName(vm)) + \" but the handler is registered for \\\"\" + event + \"\\\". \" +\n          \"Note that HTML attributes are case-insensitive and you cannot use \" +\n          \"v-on to listen to camelCase events when using in-DOM templates. \" +\n          \"You should probably use \\\"\" + (hyphenate(event)) + \"\\\" instead of \\\"\" + event + \"\\\".\"\n        );\n      }\n    }\n    var cbs = vm._events[event];\n    if (cbs) {\n      cbs = cbs.length > 1 ? toArray(cbs) : cbs;\n      var args = toArray(arguments, 1);\n      for (var i = 0, l = cbs.length; i < l; i++) {\n        try {\n          cbs[i].apply(vm, args);\n        } catch (e) {\n          handleError(e, vm, (\"event handler for \\\"\" + event + \"\\\"\"));\n        }\n      }\n    }\n    return vm\n  };\n}\n\n/*  */\n\n/**\n * Runtime helper for resolving raw children VNodes into a slot object.\n */\nfunction resolveSlots (\n  children,\n  context\n) {\n  var slots = {};\n  if (!children) {\n    return slots\n  }\n  var defaultSlot = [];\n  for (var i = 0, l = children.length; i < l; i++) {\n    var child = children[i];\n    var data = child.data;\n    // remove slot attribute if the node is resolved as a Vue slot node\n    if (data && data.attrs && data.attrs.slot) {\n      delete data.attrs.slot;\n    }\n    // named slots should only be respected if the vnode was rendered in the\n    // same context.\n    if ((child.context === context || child.functionalContext === context) &&\n      data && data.slot != null\n    ) {\n      var name = child.data.slot;\n      var slot = (slots[name] || (slots[name] = []));\n      if (child.tag === 'template') {\n        slot.push.apply(slot, child.children);\n      } else {\n        slot.push(child);\n      }\n    } else {\n      defaultSlot.push(child);\n    }\n  }\n  // ignore whitespace\n  if (!defaultSlot.every(isWhitespace)) {\n    slots.default = defaultSlot;\n  }\n  return slots\n}\n\nfunction isWhitespace (node) {\n  return node.isComment || node.text === ' '\n}\n\nfunction resolveScopedSlots (\n  fns, // see flow/vnode\n  res\n) {\n  res = res || {};\n  for (var i = 0; i < fns.length; i++) {\n    if (Array.isArray(fns[i])) {\n      resolveScopedSlots(fns[i], res);\n    } else {\n      res[fns[i].key] = fns[i].fn;\n    }\n  }\n  return res\n}\n\n/*  */\n\nvar activeInstance = null;\nvar isUpdatingChildComponent = false;\n\nfunction initLifecycle (vm) {\n  var options = vm.$options;\n\n  // locate first non-abstract parent\n  var parent = options.parent;\n  if (parent && !options.abstract) {\n    while (parent.$options.abstract && parent.$parent) {\n      parent = parent.$parent;\n    }\n    parent.$children.push(vm);\n  }\n\n  vm.$parent = parent;\n  vm.$root = parent ? parent.$root : vm;\n\n  vm.$children = [];\n  vm.$refs = {};\n\n  vm._watcher = null;\n  vm._inactive = null;\n  vm._directInactive = false;\n  vm._isMounted = false;\n  vm._isDestroyed = false;\n  vm._isBeingDestroyed = false;\n}\n\nfunction lifecycleMixin (Vue) {\n  Vue.prototype._update = function (vnode, hydrating) {\n    var vm = this;\n    if (vm._isMounted) {\n      callHook(vm, 'beforeUpdate');\n    }\n    var prevEl = vm.$el;\n    var prevVnode = vm._vnode;\n    var prevActiveInstance = activeInstance;\n    activeInstance = vm;\n    vm._vnode = vnode;\n    // Vue.prototype.__patch__ is injected in entry points\n    // based on the rendering backend used.\n    if (!prevVnode) {\n      // initial render\n      vm.$el = vm.__patch__(\n        vm.$el, vnode, hydrating, false /* removeOnly */,\n        vm.$options._parentElm,\n        vm.$options._refElm\n      );\n      // no need for the ref nodes after initial patch\n      // this prevents keeping a detached DOM tree in memory (#5851)\n      vm.$options._parentElm = vm.$options._refElm = null;\n    } else {\n      // updates\n      vm.$el = vm.__patch__(prevVnode, vnode);\n    }\n    activeInstance = prevActiveInstance;\n    // update __vue__ reference\n    if (prevEl) {\n      prevEl.__vue__ = null;\n    }\n    if (vm.$el) {\n      vm.$el.__vue__ = vm;\n    }\n    // if parent is an HOC, update its $el as well\n    if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {\n      vm.$parent.$el = vm.$el;\n    }\n    // updated hook is called by the scheduler to ensure that children are\n    // updated in a parent's updated hook.\n  };\n\n  Vue.prototype.$forceUpdate = function () {\n    var vm = this;\n    if (vm._watcher) {\n      vm._watcher.update();\n    }\n  };\n\n  Vue.prototype.$destroy = function () {\n    var vm = this;\n    if (vm._isBeingDestroyed) {\n      return\n    }\n    callHook(vm, 'beforeDestroy');\n    vm._isBeingDestroyed = true;\n    // remove self from parent\n    var parent = vm.$parent;\n    if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {\n      remove(parent.$children, vm);\n    }\n    // teardown watchers\n    if (vm._watcher) {\n      vm._watcher.teardown();\n    }\n    var i = vm._watchers.length;\n    while (i--) {\n      vm._watchers[i].teardown();\n    }\n    // remove reference from data ob\n    // frozen object may not have observer.\n    if (vm._data.__ob__) {\n      vm._data.__ob__.vmCount--;\n    }\n    // call the last hook...\n    vm._isDestroyed = true;\n    // invoke destroy hooks on current rendered tree\n    vm.__patch__(vm._vnode, null);\n    // fire destroyed hook\n    callHook(vm, 'destroyed');\n    // turn off all instance listeners.\n    vm.$off();\n    // remove __vue__ reference\n    if (vm.$el) {\n      vm.$el.__vue__ = null;\n    }\n  };\n}\n\nfunction mountComponent (\n  vm,\n  el,\n  hydrating\n) {\n  vm.$el = el;\n  if (!vm.$options.render) {\n    vm.$options.render = createEmptyVNode;\n    if (process.env.NODE_ENV !== 'production') {\n      /* istanbul ignore if */\n      if ((vm.$options.template && vm.$options.template.charAt(0) !== '#') ||\n        vm.$options.el || el) {\n        warn(\n          'You are using the runtime-only build of Vue where the template ' +\n          'compiler is not available. Either pre-compile the templates into ' +\n          'render functions, or use the compiler-included build.',\n          vm\n        );\n      } else {\n        warn(\n          'Failed to mount component: template or render function not defined.',\n          vm\n        );\n      }\n    }\n  }\n  callHook(vm, 'beforeMount');\n\n  var updateComponent;\n  /* istanbul ignore if */\n  if (process.env.NODE_ENV !== 'production' && config.performance && mark) {\n    updateComponent = function () {\n      var name = vm._name;\n      var id = vm._uid;\n      var startTag = \"vue-perf-start:\" + id;\n      var endTag = \"vue-perf-end:\" + id;\n\n      mark(startTag);\n      var vnode = vm._render();\n      mark(endTag);\n      measure((name + \" render\"), startTag, endTag);\n\n      mark(startTag);\n      vm._update(vnode, hydrating);\n      mark(endTag);\n      measure((name + \" patch\"), startTag, endTag);\n    };\n  } else {\n    updateComponent = function () {\n      vm._update(vm._render(), hydrating);\n    };\n  }\n\n  vm._watcher = new Watcher(vm, updateComponent, noop);\n  hydrating = false;\n\n  // manually mounted instance, call mounted on self\n  // mounted is called for render-created child components in its inserted hook\n  if (vm.$vnode == null) {\n    vm._isMounted = true;\n    callHook(vm, 'mounted');\n  }\n  return vm\n}\n\nfunction updateChildComponent (\n  vm,\n  propsData,\n  listeners,\n  parentVnode,\n  renderChildren\n) {\n  if (process.env.NODE_ENV !== 'production') {\n    isUpdatingChildComponent = true;\n  }\n\n  // determine whether component has slot children\n  // we need to do this before overwriting $options._renderChildren\n  var hasChildren = !!(\n    renderChildren ||               // has new static slots\n    vm.$options._renderChildren ||  // has old static slots\n    parentVnode.data.scopedSlots || // has new scoped slots\n    vm.$scopedSlots !== emptyObject // has old scoped slots\n  );\n\n  vm.$options._parentVnode = parentVnode;\n  vm.$vnode = parentVnode; // update vm's placeholder node without re-render\n\n  if (vm._vnode) { // update child tree's parent\n    vm._vnode.parent = parentVnode;\n  }\n  vm.$options._renderChildren = renderChildren;\n\n  // update $attrs and $listeners hash\n  // these are also reactive so they may trigger child update if the child\n  // used them during render\n  vm.$attrs = (parentVnode.data && parentVnode.data.attrs) || emptyObject;\n  vm.$listeners = listeners || emptyObject;\n\n  // update props\n  if (propsData && vm.$options.props) {\n    observerState.shouldConvert = false;\n    var props = vm._props;\n    var propKeys = vm.$options._propKeys || [];\n    for (var i = 0; i < propKeys.length; i++) {\n      var key = propKeys[i];\n      props[key] = validateProp(key, vm.$options.props, propsData, vm);\n    }\n    observerState.shouldConvert = true;\n    // keep a copy of raw propsData\n    vm.$options.propsData = propsData;\n  }\n\n  // update listeners\n  if (listeners) {\n    var oldListeners = vm.$options._parentListeners;\n    vm.$options._parentListeners = listeners;\n    updateComponentListeners(vm, listeners, oldListeners);\n  }\n  // resolve slots + force update if has children\n  if (hasChildren) {\n    vm.$slots = resolveSlots(renderChildren, parentVnode.context);\n    vm.$forceUpdate();\n  }\n\n  if (process.env.NODE_ENV !== 'production') {\n    isUpdatingChildComponent = false;\n  }\n}\n\nfunction isInInactiveTree (vm) {\n  while (vm && (vm = vm.$parent)) {\n    if (vm._inactive) { return true }\n  }\n  return false\n}\n\nfunction activateChildComponent (vm, direct) {\n  if (direct) {\n    vm._directInactive = false;\n    if (isInInactiveTree(vm)) {\n      return\n    }\n  } else if (vm._directInactive) {\n    return\n  }\n  if (vm._inactive || vm._inactive === null) {\n    vm._inactive = false;\n    for (var i = 0; i < vm.$children.length; i++) {\n      activateChildComponent(vm.$children[i]);\n    }\n    callHook(vm, 'activated');\n  }\n}\n\nfunction deactivateChildComponent (vm, direct) {\n  if (direct) {\n    vm._directInactive = true;\n    if (isInInactiveTree(vm)) {\n      return\n    }\n  }\n  if (!vm._inactive) {\n    vm._inactive = true;\n    for (var i = 0; i < vm.$children.length; i++) {\n      deactivateChildComponent(vm.$children[i]);\n    }\n    callHook(vm, 'deactivated');\n  }\n}\n\nfunction callHook (vm, hook) {\n  var handlers = vm.$options[hook];\n  if (handlers) {\n    for (var i = 0, j = handlers.length; i < j; i++) {\n      try {\n        handlers[i].call(vm);\n      } catch (e) {\n        handleError(e, vm, (hook + \" hook\"));\n      }\n    }\n  }\n  if (vm._hasHookEvent) {\n    vm.$emit('hook:' + hook);\n  }\n}\n\n/*  */\n\n\nvar MAX_UPDATE_COUNT = 100;\n\nvar queue = [];\nvar activatedChildren = [];\nvar has = {};\nvar circular = {};\nvar waiting = false;\nvar flushing = false;\nvar index = 0;\n\n/**\n * Reset the scheduler's state.\n */\nfunction resetSchedulerState () {\n  index = queue.length = activatedChildren.length = 0;\n  has = {};\n  if (process.env.NODE_ENV !== 'production') {\n    circular = {};\n  }\n  waiting = flushing = false;\n}\n\n/**\n * Flush both queues and run the watchers.\n */\nfunction flushSchedulerQueue () {\n  flushing = true;\n  var watcher, id;\n\n  // Sort queue before flush.\n  // This ensures that:\n  // 1. Components are updated from parent to child. (because parent is always\n  //    created before the child)\n  // 2. A component's user watchers are run before its render watcher (because\n  //    user watchers are created before the render watcher)\n  // 3. If a component is destroyed during a parent component's watcher run,\n  //    its watchers can be skipped.\n  queue.sort(function (a, b) { return a.id - b.id; });\n\n  // do not cache length because more watchers might be pushed\n  // as we run existing watchers\n  for (index = 0; index < queue.length; index++) {\n    watcher = queue[index];\n    id = watcher.id;\n    has[id] = null;\n    watcher.run();\n    // in dev build, check and stop circular updates.\n    if (process.env.NODE_ENV !== 'production' && has[id] != null) {\n      circular[id] = (circular[id] || 0) + 1;\n      if (circular[id] > MAX_UPDATE_COUNT) {\n        warn(\n          'You may have an infinite update loop ' + (\n            watcher.user\n              ? (\"in watcher with expression \\\"\" + (watcher.expression) + \"\\\"\")\n              : \"in a component render function.\"\n          ),\n          watcher.vm\n        );\n        break\n      }\n    }\n  }\n\n  // keep copies of post queues before resetting state\n  var activatedQueue = activatedChildren.slice();\n  var updatedQueue = queue.slice();\n\n  resetSchedulerState();\n\n  // call component updated and activated hooks\n  callActivatedHooks(activatedQueue);\n  callUpdatedHooks(updatedQueue);\n\n  // devtool hook\n  /* istanbul ignore if */\n  if (devtools && config.devtools) {\n    devtools.emit('flush');\n  }\n}\n\nfunction callUpdatedHooks (queue) {\n  var i = queue.length;\n  while (i--) {\n    var watcher = queue[i];\n    var vm = watcher.vm;\n    if (vm._watcher === watcher && vm._isMounted) {\n      callHook(vm, 'updated');\n    }\n  }\n}\n\n/**\n * Queue a kept-alive component that was activated during patch.\n * The queue will be processed after the entire tree has been patched.\n */\nfunction queueActivatedComponent (vm) {\n  // setting _inactive to false here so that a render function can\n  // rely on checking whether it's in an inactive tree (e.g. router-view)\n  vm._inactive = false;\n  activatedChildren.push(vm);\n}\n\nfunction callActivatedHooks (queue) {\n  for (var i = 0; i < queue.length; i++) {\n    queue[i]._inactive = true;\n    activateChildComponent(queue[i], true /* true */);\n  }\n}\n\n/**\n * Push a watcher into the watcher queue.\n * Jobs with duplicate IDs will be skipped unless it's\n * pushed when the queue is being flushed.\n */\nfunction queueWatcher (watcher) {\n  var id = watcher.id;\n  if (has[id] == null) {\n    has[id] = true;\n    if (!flushing) {\n      queue.push(watcher);\n    } else {\n      // if already flushing, splice the watcher based on its id\n      // if already past its id, it will be run next immediately.\n      var i = queue.length - 1;\n      while (i > index && queue[i].id > watcher.id) {\n        i--;\n      }\n      queue.splice(i + 1, 0, watcher);\n    }\n    // queue the flush\n    if (!waiting) {\n      waiting = true;\n      nextTick(flushSchedulerQueue);\n    }\n  }\n}\n\n/*  */\n\nvar uid$2 = 0;\n\n/**\n * A watcher parses an expression, collects dependencies,\n * and fires callback when the expression value changes.\n * This is used for both the $watch() api and directives.\n */\nvar Watcher = function Watcher (\n  vm,\n  expOrFn,\n  cb,\n  options\n) {\n  this.vm = vm;\n  vm._watchers.push(this);\n  // options\n  if (options) {\n    this.deep = !!options.deep;\n    this.user = !!options.user;\n    this.lazy = !!options.lazy;\n    this.sync = !!options.sync;\n  } else {\n    this.deep = this.user = this.lazy = this.sync = false;\n  }\n  this.cb = cb;\n  this.id = ++uid$2; // uid for batching\n  this.active = true;\n  this.dirty = this.lazy; // for lazy watchers\n  this.deps = [];\n  this.newDeps = [];\n  this.depIds = new _Set();\n  this.newDepIds = new _Set();\n  this.expression = process.env.NODE_ENV !== 'production'\n    ? expOrFn.toString()\n    : '';\n  // parse expression for getter\n  if (typeof expOrFn === 'function') {\n    this.getter = expOrFn;\n  } else {\n    this.getter = parsePath(expOrFn);\n    if (!this.getter) {\n      this.getter = function () {};\n      process.env.NODE_ENV !== 'production' && warn(\n        \"Failed watching path: \\\"\" + expOrFn + \"\\\" \" +\n        'Watcher only accepts simple dot-delimited paths. ' +\n        'For full control, use a function instead.',\n        vm\n      );\n    }\n  }\n  this.value = this.lazy\n    ? undefined\n    : this.get();\n};\n\n/**\n * Evaluate the getter, and re-collect dependencies.\n */\nWatcher.prototype.get = function get () {\n  pushTarget(this);\n  var value;\n  var vm = this.vm;\n  try {\n    value = this.getter.call(vm, vm);\n  } catch (e) {\n    if (this.user) {\n      handleError(e, vm, (\"getter for watcher \\\"\" + (this.expression) + \"\\\"\"));\n    } else {\n      throw e\n    }\n  } finally {\n    // \"touch\" every property so they are all tracked as\n    // dependencies for deep watching\n    if (this.deep) {\n      traverse(value);\n    }\n    popTarget();\n    this.cleanupDeps();\n  }\n  return value\n};\n\n/**\n * Add a dependency to this directive.\n */\nWatcher.prototype.addDep = function addDep (dep) {\n  var id = dep.id;\n  if (!this.newDepIds.has(id)) {\n    this.newDepIds.add(id);\n    this.newDeps.push(dep);\n    if (!this.depIds.has(id)) {\n      dep.addSub(this);\n    }\n  }\n};\n\n/**\n * Clean up for dependency collection.\n */\nWatcher.prototype.cleanupDeps = function cleanupDeps () {\n    var this$1 = this;\n\n  var i = this.deps.length;\n  while (i--) {\n    var dep = this$1.deps[i];\n    if (!this$1.newDepIds.has(dep.id)) {\n      dep.removeSub(this$1);\n    }\n  }\n  var tmp = this.depIds;\n  this.depIds = this.newDepIds;\n  this.newDepIds = tmp;\n  this.newDepIds.clear();\n  tmp = this.deps;\n  this.deps = this.newDeps;\n  this.newDeps = tmp;\n  this.newDeps.length = 0;\n};\n\n/**\n * Subscriber interface.\n * Will be called when a dependency changes.\n */\nWatcher.prototype.update = function update () {\n  /* istanbul ignore else */\n  if (this.lazy) {\n    this.dirty = true;\n  } else if (this.sync) {\n    this.run();\n  } else {\n    queueWatcher(this);\n  }\n};\n\n/**\n * Scheduler job interface.\n * Will be called by the scheduler.\n */\nWatcher.prototype.run = function run () {\n  if (this.active) {\n    var value = this.get();\n    if (\n      value !== this.value ||\n      // Deep watchers and watchers on Object/Arrays should fire even\n      // when the value is the same, because the value may\n      // have mutated.\n      isObject(value) ||\n      this.deep\n    ) {\n      // set new value\n      var oldValue = this.value;\n      this.value = value;\n      if (this.user) {\n        try {\n          this.cb.call(this.vm, value, oldValue);\n        } catch (e) {\n          handleError(e, this.vm, (\"callback for watcher \\\"\" + (this.expression) + \"\\\"\"));\n        }\n      } else {\n        this.cb.call(this.vm, value, oldValue);\n      }\n    }\n  }\n};\n\n/**\n * Evaluate the value of the watcher.\n * This only gets called for lazy watchers.\n */\nWatcher.prototype.evaluate = function evaluate () {\n  this.value = this.get();\n  this.dirty = false;\n};\n\n/**\n * Depend on all deps collected by this watcher.\n */\nWatcher.prototype.depend = function depend () {\n    var this$1 = this;\n\n  var i = this.deps.length;\n  while (i--) {\n    this$1.deps[i].depend();\n  }\n};\n\n/**\n * Remove self from all dependencies' subscriber list.\n */\nWatcher.prototype.teardown = function teardown () {\n    var this$1 = this;\n\n  if (this.active) {\n    // remove self from vm's watcher list\n    // this is a somewhat expensive operation so we skip it\n    // if the vm is being destroyed.\n    if (!this.vm._isBeingDestroyed) {\n      remove(this.vm._watchers, this);\n    }\n    var i = this.deps.length;\n    while (i--) {\n      this$1.deps[i].removeSub(this$1);\n    }\n    this.active = false;\n  }\n};\n\n/**\n * Recursively traverse an object to evoke all converted\n * getters, so that every nested property inside the object\n * is collected as a \"deep\" dependency.\n */\nvar seenObjects = new _Set();\nfunction traverse (val) {\n  seenObjects.clear();\n  _traverse(val, seenObjects);\n}\n\nfunction _traverse (val, seen) {\n  var i, keys;\n  var isA = Array.isArray(val);\n  if ((!isA && !isObject(val)) || !Object.isExtensible(val)) {\n    return\n  }\n  if (val.__ob__) {\n    var depId = val.__ob__.dep.id;\n    if (seen.has(depId)) {\n      return\n    }\n    seen.add(depId);\n  }\n  if (isA) {\n    i = val.length;\n    while (i--) { _traverse(val[i], seen); }\n  } else {\n    keys = Object.keys(val);\n    i = keys.length;\n    while (i--) { _traverse(val[keys[i]], seen); }\n  }\n}\n\n/*  */\n\nvar sharedPropertyDefinition = {\n  enumerable: true,\n  configurable: true,\n  get: noop,\n  set: noop\n};\n\nfunction proxy (target, sourceKey, key) {\n  sharedPropertyDefinition.get = function proxyGetter () {\n    return this[sourceKey][key]\n  };\n  sharedPropertyDefinition.set = function proxySetter (val) {\n    this[sourceKey][key] = val;\n  };\n  Object.defineProperty(target, key, sharedPropertyDefinition);\n}\n\nfunction initState (vm) {\n  vm._watchers = [];\n  var opts = vm.$options;\n  if (opts.props) { initProps(vm, opts.props); }\n  if (opts.methods) { initMethods(vm, opts.methods); }\n  if (opts.data) {\n    initData(vm);\n  } else {\n    observe(vm._data = {}, true /* asRootData */);\n  }\n  if (opts.computed) { initComputed(vm, opts.computed); }\n  if (opts.watch && opts.watch !== nativeWatch) {\n    initWatch(vm, opts.watch);\n  }\n}\n\nfunction checkOptionType (vm, name) {\n  var option = vm.$options[name];\n  if (!isPlainObject(option)) {\n    warn(\n      (\"component option \\\"\" + name + \"\\\" should be an object.\"),\n      vm\n    );\n  }\n}\n\nfunction initProps (vm, propsOptions) {\n  var propsData = vm.$options.propsData || {};\n  var props = vm._props = {};\n  // cache prop keys so that future props updates can iterate using Array\n  // instead of dynamic object key enumeration.\n  var keys = vm.$options._propKeys = [];\n  var isRoot = !vm.$parent;\n  // root instance props should be converted\n  observerState.shouldConvert = isRoot;\n  var loop = function ( key ) {\n    keys.push(key);\n    var value = validateProp(key, propsOptions, propsData, vm);\n    /* istanbul ignore else */\n    if (process.env.NODE_ENV !== 'production') {\n      if (isReservedAttribute(key) || config.isReservedAttr(key)) {\n        warn(\n          (\"\\\"\" + key + \"\\\" is a reserved attribute and cannot be used as component prop.\"),\n          vm\n        );\n      }\n      defineReactive$$1(props, key, value, function () {\n        if (vm.$parent && !isUpdatingChildComponent) {\n          warn(\n            \"Avoid mutating a prop directly since the value will be \" +\n            \"overwritten whenever the parent component re-renders. \" +\n            \"Instead, use a data or computed property based on the prop's \" +\n            \"value. Prop being mutated: \\\"\" + key + \"\\\"\",\n            vm\n          );\n        }\n      });\n    } else {\n      defineReactive$$1(props, key, value);\n    }\n    // static props are already proxied on the component's prototype\n    // during Vue.extend(). We only need to proxy props defined at\n    // instantiation here.\n    if (!(key in vm)) {\n      proxy(vm, \"_props\", key);\n    }\n  };\n\n  for (var key in propsOptions) loop( key );\n  observerState.shouldConvert = true;\n}\n\nfunction initData (vm) {\n  var data = vm.$options.data;\n  data = vm._data = typeof data === 'function'\n    ? getData(data, vm)\n    : data || {};\n  if (!isPlainObject(data)) {\n    data = {};\n    process.env.NODE_ENV !== 'production' && warn(\n      'data functions should return an object:\\n' +\n      'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',\n      vm\n    );\n  }\n  // proxy data on instance\n  var keys = Object.keys(data);\n  var props = vm.$options.props;\n  var methods = vm.$options.methods;\n  var i = keys.length;\n  while (i--) {\n    var key = keys[i];\n    if (process.env.NODE_ENV !== 'production') {\n      if (methods && hasOwn(methods, key)) {\n        warn(\n          (\"Method \\\"\" + key + \"\\\" has already been defined as a data property.\"),\n          vm\n        );\n      }\n    }\n    if (props && hasOwn(props, key)) {\n      process.env.NODE_ENV !== 'production' && warn(\n        \"The data property \\\"\" + key + \"\\\" is already declared as a prop. \" +\n        \"Use prop default value instead.\",\n        vm\n      );\n    } else if (!isReserved(key)) {\n      proxy(vm, \"_data\", key);\n    }\n  }\n  // observe data\n  observe(data, true /* asRootData */);\n}\n\nfunction getData (data, vm) {\n  try {\n    return data.call(vm)\n  } catch (e) {\n    handleError(e, vm, \"data()\");\n    return {}\n  }\n}\n\nvar computedWatcherOptions = { lazy: true };\n\nfunction initComputed (vm, computed) {\n  process.env.NODE_ENV !== 'production' && checkOptionType(vm, 'computed');\n  var watchers = vm._computedWatchers = Object.create(null);\n  // computed properties are just getters during SSR\n  var isSSR = isServerRendering();\n\n  for (var key in computed) {\n    var userDef = computed[key];\n    var getter = typeof userDef === 'function' ? userDef : userDef.get;\n    if (process.env.NODE_ENV !== 'production' && getter == null) {\n      warn(\n        (\"Getter is missing for computed property \\\"\" + key + \"\\\".\"),\n        vm\n      );\n    }\n\n    if (!isSSR) {\n      // create internal watcher for the computed property.\n      watchers[key] = new Watcher(\n        vm,\n        getter || noop,\n        noop,\n        computedWatcherOptions\n      );\n    }\n\n    // component-defined computed properties are already defined on the\n    // component prototype. We only need to define computed properties defined\n    // at instantiation here.\n    if (!(key in vm)) {\n      defineComputed(vm, key, userDef);\n    } else if (process.env.NODE_ENV !== 'production') {\n      if (key in vm.$data) {\n        warn((\"The computed property \\\"\" + key + \"\\\" is already defined in data.\"), vm);\n      } else if (vm.$options.props && key in vm.$options.props) {\n        warn((\"The computed property \\\"\" + key + \"\\\" is already defined as a prop.\"), vm);\n      }\n    }\n  }\n}\n\nfunction defineComputed (\n  target,\n  key,\n  userDef\n) {\n  var shouldCache = !isServerRendering();\n  if (typeof userDef === 'function') {\n    sharedPropertyDefinition.get = shouldCache\n      ? createComputedGetter(key)\n      : userDef;\n    sharedPropertyDefinition.set = noop;\n  } else {\n    sharedPropertyDefinition.get = userDef.get\n      ? shouldCache && userDef.cache !== false\n        ? createComputedGetter(key)\n        : userDef.get\n      : noop;\n    sharedPropertyDefinition.set = userDef.set\n      ? userDef.set\n      : noop;\n  }\n  if (process.env.NODE_ENV !== 'production' &&\n      sharedPropertyDefinition.set === noop) {\n    sharedPropertyDefinition.set = function () {\n      warn(\n        (\"Computed property \\\"\" + key + \"\\\" was assigned to but it has no setter.\"),\n        this\n      );\n    };\n  }\n  Object.defineProperty(target, key, sharedPropertyDefinition);\n}\n\nfunction createComputedGetter (key) {\n  return function computedGetter () {\n    var watcher = this._computedWatchers && this._computedWatchers[key];\n    if (watcher) {\n      if (watcher.dirty) {\n        watcher.evaluate();\n      }\n      if (Dep.target) {\n        watcher.depend();\n      }\n      return watcher.value\n    }\n  }\n}\n\nfunction initMethods (vm, methods) {\n  process.env.NODE_ENV !== 'production' && checkOptionType(vm, 'methods');\n  var props = vm.$options.props;\n  for (var key in methods) {\n    if (process.env.NODE_ENV !== 'production') {\n      if (methods[key] == null) {\n        warn(\n          \"Method \\\"\" + key + \"\\\" has an undefined value in the component definition. \" +\n          \"Did you reference the function correctly?\",\n          vm\n        );\n      }\n      if (props && hasOwn(props, key)) {\n        warn(\n          (\"Method \\\"\" + key + \"\\\" has already been defined as a prop.\"),\n          vm\n        );\n      }\n      if ((key in vm) && isReserved(key)) {\n        warn(\n          \"Method \\\"\" + key + \"\\\" conflicts with an existing Vue instance method. \" +\n          \"Avoid defining component methods that start with _ or $.\"\n        );\n      }\n    }\n    vm[key] = methods[key] == null ? noop : bind(methods[key], vm);\n  }\n}\n\nfunction initWatch (vm, watch) {\n  process.env.NODE_ENV !== 'production' && checkOptionType(vm, 'watch');\n  for (var key in watch) {\n    var handler = watch[key];\n    if (Array.isArray(handler)) {\n      for (var i = 0; i < handler.length; i++) {\n        createWatcher(vm, key, handler[i]);\n      }\n    } else {\n      createWatcher(vm, key, handler);\n    }\n  }\n}\n\nfunction createWatcher (\n  vm,\n  keyOrFn,\n  handler,\n  options\n) {\n  if (isPlainObject(handler)) {\n    options = handler;\n    handler = handler.handler;\n  }\n  if (typeof handler === 'string') {\n    handler = vm[handler];\n  }\n  return vm.$watch(keyOrFn, handler, options)\n}\n\nfunction stateMixin (Vue) {\n  // flow somehow has problems with directly declared definition object\n  // when using Object.defineProperty, so we have to procedurally build up\n  // the object here.\n  var dataDef = {};\n  dataDef.get = function () { return this._data };\n  var propsDef = {};\n  propsDef.get = function () { return this._props };\n  if (process.env.NODE_ENV !== 'production') {\n    dataDef.set = function (newData) {\n      warn(\n        'Avoid replacing instance root $data. ' +\n        'Use nested data properties instead.',\n        this\n      );\n    };\n    propsDef.set = function () {\n      warn(\"$props is readonly.\", this);\n    };\n  }\n  Object.defineProperty(Vue.prototype, '$data', dataDef);\n  Object.defineProperty(Vue.prototype, '$props', propsDef);\n\n  Vue.prototype.$set = set;\n  Vue.prototype.$delete = del;\n\n  Vue.prototype.$watch = function (\n    expOrFn,\n    cb,\n    options\n  ) {\n    var vm = this;\n    if (isPlainObject(cb)) {\n      return createWatcher(vm, expOrFn, cb, options)\n    }\n    options = options || {};\n    options.user = true;\n    var watcher = new Watcher(vm, expOrFn, cb, options);\n    if (options.immediate) {\n      cb.call(vm, watcher.value);\n    }\n    return function unwatchFn () {\n      watcher.teardown();\n    }\n  };\n}\n\n/*  */\n\nfunction initProvide (vm) {\n  var provide = vm.$options.provide;\n  if (provide) {\n    vm._provided = typeof provide === 'function'\n      ? provide.call(vm)\n      : provide;\n  }\n}\n\nfunction initInjections (vm) {\n  var result = resolveInject(vm.$options.inject, vm);\n  if (result) {\n    observerState.shouldConvert = false;\n    Object.keys(result).forEach(function (key) {\n      /* istanbul ignore else */\n      if (process.env.NODE_ENV !== 'production') {\n        defineReactive$$1(vm, key, result[key], function () {\n          warn(\n            \"Avoid mutating an injected value directly since the changes will be \" +\n            \"overwritten whenever the provided component re-renders. \" +\n            \"injection being mutated: \\\"\" + key + \"\\\"\",\n            vm\n          );\n        });\n      } else {\n        defineReactive$$1(vm, key, result[key]);\n      }\n    });\n    observerState.shouldConvert = true;\n  }\n}\n\nfunction resolveInject (inject, vm) {\n  if (inject) {\n    // inject is :any because flow is not smart enough to figure out cached\n    var result = Object.create(null);\n    var keys = hasSymbol\n        ? Reflect.ownKeys(inject).filter(function (key) {\n          /* istanbul ignore next */\n          return Object.getOwnPropertyDescriptor(inject, key).enumerable\n        })\n        : Object.keys(inject);\n\n    for (var i = 0; i < keys.length; i++) {\n      var key = keys[i];\n      var provideKey = inject[key];\n      var source = vm;\n      while (source) {\n        if (source._provided && provideKey in source._provided) {\n          result[key] = source._provided[provideKey];\n          break\n        }\n        source = source.$parent;\n      }\n      if (process.env.NODE_ENV !== 'production' && !source) {\n        warn((\"Injection \\\"\" + key + \"\\\" not found\"), vm);\n      }\n    }\n    return result\n  }\n}\n\n/*  */\n\nfunction createFunctionalComponent (\n  Ctor,\n  propsData,\n  data,\n  context,\n  children\n) {\n  var props = {};\n  var propOptions = Ctor.options.props;\n  if (isDef(propOptions)) {\n    for (var key in propOptions) {\n      props[key] = validateProp(key, propOptions, propsData || emptyObject);\n    }\n  } else {\n    if (isDef(data.attrs)) { mergeProps(props, data.attrs); }\n    if (isDef(data.props)) { mergeProps(props, data.props); }\n  }\n  // ensure the createElement function in functional components\n  // gets a unique context - this is necessary for correct named slot check\n  var _context = Object.create(context);\n  var h = function (a, b, c, d) { return createElement(_context, a, b, c, d, true); };\n  var vnode = Ctor.options.render.call(null, h, {\n    data: data,\n    props: props,\n    children: children,\n    parent: context,\n    listeners: data.on || emptyObject,\n    injections: resolveInject(Ctor.options.inject, context),\n    slots: function () { return resolveSlots(children, context); }\n  });\n  if (vnode instanceof VNode) {\n    vnode.functionalContext = context;\n    vnode.functionalOptions = Ctor.options;\n    if (data.slot) {\n      (vnode.data || (vnode.data = {})).slot = data.slot;\n    }\n  }\n  return vnode\n}\n\nfunction mergeProps (to, from) {\n  for (var key in from) {\n    to[camelize(key)] = from[key];\n  }\n}\n\n/*  */\n\n// hooks to be invoked on component VNodes during patch\nvar componentVNodeHooks = {\n  init: function init (\n    vnode,\n    hydrating,\n    parentElm,\n    refElm\n  ) {\n    if (!vnode.componentInstance || vnode.componentInstance._isDestroyed) {\n      var child = vnode.componentInstance = createComponentInstanceForVnode(\n        vnode,\n        activeInstance,\n        parentElm,\n        refElm\n      );\n      child.$mount(hydrating ? vnode.elm : undefined, hydrating);\n    } else if (vnode.data.keepAlive) {\n      // kept-alive components, treat as a patch\n      var mountedNode = vnode; // work around flow\n      componentVNodeHooks.prepatch(mountedNode, mountedNode);\n    }\n  },\n\n  prepatch: function prepatch (oldVnode, vnode) {\n    var options = vnode.componentOptions;\n    var child = vnode.componentInstance = oldVnode.componentInstance;\n    updateChildComponent(\n      child,\n      options.propsData, // updated props\n      options.listeners, // updated listeners\n      vnode, // new parent vnode\n      options.children // new children\n    );\n  },\n\n  insert: function insert (vnode) {\n    var context = vnode.context;\n    var componentInstance = vnode.componentInstance;\n    if (!componentInstance._isMounted) {\n      componentInstance._isMounted = true;\n      callHook(componentInstance, 'mounted');\n    }\n    if (vnode.data.keepAlive) {\n      if (context._isMounted) {\n        // vue-router#1212\n        // During updates, a kept-alive component's child components may\n        // change, so directly walking the tree here may call activated hooks\n        // on incorrect children. Instead we push them into a queue which will\n        // be processed after the whole patch process ended.\n        queueActivatedComponent(componentInstance);\n      } else {\n        activateChildComponent(componentInstance, true /* direct */);\n      }\n    }\n  },\n\n  destroy: function destroy (vnode) {\n    var componentInstance = vnode.componentInstance;\n    if (!componentInstance._isDestroyed) {\n      if (!vnode.data.keepAlive) {\n        componentInstance.$destroy();\n      } else {\n        deactivateChildComponent(componentInstance, true /* direct */);\n      }\n    }\n  }\n};\n\nvar hooksToMerge = Object.keys(componentVNodeHooks);\n\nfunction createComponent (\n  Ctor,\n  data,\n  context,\n  children,\n  tag\n) {\n  if (isUndef(Ctor)) {\n    return\n  }\n\n  var baseCtor = context.$options._base;\n\n  // plain options object: turn it into a constructor\n  if (isObject(Ctor)) {\n    Ctor = baseCtor.extend(Ctor);\n  }\n\n  // if at this stage it's not a constructor or an async component factory,\n  // reject.\n  if (typeof Ctor !== 'function') {\n    if (process.env.NODE_ENV !== 'production') {\n      warn((\"Invalid Component definition: \" + (String(Ctor))), context);\n    }\n    return\n  }\n\n  // async component\n  var asyncFactory;\n  if (isUndef(Ctor.cid)) {\n    asyncFactory = Ctor;\n    Ctor = resolveAsyncComponent(asyncFactory, baseCtor, context);\n    if (Ctor === undefined) {\n      // return a placeholder node for async component, which is rendered\n      // as a comment node but preserves all the raw information for the node.\n      // the information will be used for async server-rendering and hydration.\n      return createAsyncPlaceholder(\n        asyncFactory,\n        data,\n        context,\n        children,\n        tag\n      )\n    }\n  }\n\n  data = data || {};\n\n  // resolve constructor options in case global mixins are applied after\n  // component constructor creation\n  resolveConstructorOptions(Ctor);\n\n  // transform component v-model data into props & events\n  if (isDef(data.model)) {\n    transformModel(Ctor.options, data);\n  }\n\n  // extract props\n  var propsData = extractPropsFromVNodeData(data, Ctor, tag);\n\n  // functional component\n  if (isTrue(Ctor.options.functional)) {\n    return createFunctionalComponent(Ctor, propsData, data, context, children)\n  }\n\n  // extract listeners, since these needs to be treated as\n  // child component listeners instead of DOM listeners\n  var listeners = data.on;\n  // replace with listeners with .native modifier\n  // so it gets processed during parent component patch.\n  data.on = data.nativeOn;\n\n  if (isTrue(Ctor.options.abstract)) {\n    // abstract components do not keep anything\n    // other than props & listeners & slot\n\n    // work around flow\n    var slot = data.slot;\n    data = {};\n    if (slot) {\n      data.slot = slot;\n    }\n  }\n\n  // merge component management hooks onto the placeholder node\n  mergeHooks(data);\n\n  // return a placeholder vnode\n  var name = Ctor.options.name || tag;\n  var vnode = new VNode(\n    (\"vue-component-\" + (Ctor.cid) + (name ? (\"-\" + name) : '')),\n    data, undefined, undefined, undefined, context,\n    { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children },\n    asyncFactory\n  );\n  return vnode\n}\n\nfunction createComponentInstanceForVnode (\n  vnode, // we know it's MountedComponentVNode but flow doesn't\n  parent, // activeInstance in lifecycle state\n  parentElm,\n  refElm\n) {\n  var vnodeComponentOptions = vnode.componentOptions;\n  var options = {\n    _isComponent: true,\n    parent: parent,\n    propsData: vnodeComponentOptions.propsData,\n    _componentTag: vnodeComponentOptions.tag,\n    _parentVnode: vnode,\n    _parentListeners: vnodeComponentOptions.listeners,\n    _renderChildren: vnodeComponentOptions.children,\n    _parentElm: parentElm || null,\n    _refElm: refElm || null\n  };\n  // check inline-template render functions\n  var inlineTemplate = vnode.data.inlineTemplate;\n  if (isDef(inlineTemplate)) {\n    options.render = inlineTemplate.render;\n    options.staticRenderFns = inlineTemplate.staticRenderFns;\n  }\n  return new vnodeComponentOptions.Ctor(options)\n}\n\nfunction mergeHooks (data) {\n  if (!data.hook) {\n    data.hook = {};\n  }\n  for (var i = 0; i < hooksToMerge.length; i++) {\n    var key = hooksToMerge[i];\n    var fromParent = data.hook[key];\n    var ours = componentVNodeHooks[key];\n    data.hook[key] = fromParent ? mergeHook$1(ours, fromParent) : ours;\n  }\n}\n\nfunction mergeHook$1 (one, two) {\n  return function (a, b, c, d) {\n    one(a, b, c, d);\n    two(a, b, c, d);\n  }\n}\n\n// transform component v-model info (value and callback) into\n// prop and event handler respectively.\nfunction transformModel (options, data) {\n  var prop = (options.model && options.model.prop) || 'value';\n  var event = (options.model && options.model.event) || 'input';(data.props || (data.props = {}))[prop] = data.model.value;\n  var on = data.on || (data.on = {});\n  if (isDef(on[event])) {\n    on[event] = [data.model.callback].concat(on[event]);\n  } else {\n    on[event] = data.model.callback;\n  }\n}\n\n/*  */\n\nvar SIMPLE_NORMALIZE = 1;\nvar ALWAYS_NORMALIZE = 2;\n\n// wrapper function for providing a more flexible interface\n// without getting yelled at by flow\nfunction createElement (\n  context,\n  tag,\n  data,\n  children,\n  normalizationType,\n  alwaysNormalize\n) {\n  if (Array.isArray(data) || isPrimitive(data)) {\n    normalizationType = children;\n    children = data;\n    data = undefined;\n  }\n  if (isTrue(alwaysNormalize)) {\n    normalizationType = ALWAYS_NORMALIZE;\n  }\n  return _createElement(context, tag, data, children, normalizationType)\n}\n\nfunction _createElement (\n  context,\n  tag,\n  data,\n  children,\n  normalizationType\n) {\n  if (isDef(data) && isDef((data).__ob__)) {\n    process.env.NODE_ENV !== 'production' && warn(\n      \"Avoid using observed data object as vnode data: \" + (JSON.stringify(data)) + \"\\n\" +\n      'Always create fresh vnode data objects in each render!',\n      context\n    );\n    return createEmptyVNode()\n  }\n  // object syntax in v-bind\n  if (isDef(data) && isDef(data.is)) {\n    tag = data.is;\n  }\n  if (!tag) {\n    // in case of component :is set to falsy value\n    return createEmptyVNode()\n  }\n  // warn against non-primitive key\n  if (process.env.NODE_ENV !== 'production' &&\n    isDef(data) && isDef(data.key) && !isPrimitive(data.key)\n  ) {\n    warn(\n      'Avoid using non-primitive value as key, ' +\n      'use string/number value instead.',\n      context\n    );\n  }\n  // support single function children as default scoped slot\n  if (Array.isArray(children) &&\n    typeof children[0] === 'function'\n  ) {\n    data = data || {};\n    data.scopedSlots = { default: children[0] };\n    children.length = 0;\n  }\n  if (normalizationType === ALWAYS_NORMALIZE) {\n    children = normalizeChildren(children);\n  } else if (normalizationType === SIMPLE_NORMALIZE) {\n    children = simpleNormalizeChildren(children);\n  }\n  var vnode, ns;\n  if (typeof tag === 'string') {\n    var Ctor;\n    ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);\n    if (config.isReservedTag(tag)) {\n      // platform built-in elements\n      vnode = new VNode(\n        config.parsePlatformTagName(tag), data, children,\n        undefined, undefined, context\n      );\n    } else if (isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {\n      // component\n      vnode = createComponent(Ctor, data, context, children, tag);\n    } else {\n      // unknown or unlisted namespaced elements\n      // check at runtime because it may get assigned a namespace when its\n      // parent normalizes children\n      vnode = new VNode(\n        tag, data, children,\n        undefined, undefined, context\n      );\n    }\n  } else {\n    // direct component options / constructor\n    vnode = createComponent(tag, data, context, children);\n  }\n  if (isDef(vnode)) {\n    if (ns) { applyNS(vnode, ns); }\n    return vnode\n  } else {\n    return createEmptyVNode()\n  }\n}\n\nfunction applyNS (vnode, ns) {\n  vnode.ns = ns;\n  if (vnode.tag === 'foreignObject') {\n    // use default namespace inside foreignObject\n    return\n  }\n  if (isDef(vnode.children)) {\n    for (var i = 0, l = vnode.children.length; i < l; i++) {\n      var child = vnode.children[i];\n      if (isDef(child.tag) && isUndef(child.ns)) {\n        applyNS(child, ns);\n      }\n    }\n  }\n}\n\n/*  */\n\n/**\n * Runtime helper for rendering v-for lists.\n */\nfunction renderList (\n  val,\n  render\n) {\n  var ret, i, l, keys, key;\n  if (Array.isArray(val) || typeof val === 'string') {\n    ret = new Array(val.length);\n    for (i = 0, l = val.length; i < l; i++) {\n      ret[i] = render(val[i], i);\n    }\n  } else if (typeof val === 'number') {\n    ret = new Array(val);\n    for (i = 0; i < val; i++) {\n      ret[i] = render(i + 1, i);\n    }\n  } else if (isObject(val)) {\n    keys = Object.keys(val);\n    ret = new Array(keys.length);\n    for (i = 0, l = keys.length; i < l; i++) {\n      key = keys[i];\n      ret[i] = render(val[key], key, i);\n    }\n  }\n  if (isDef(ret)) {\n    (ret)._isVList = true;\n  }\n  return ret\n}\n\n/*  */\n\n/**\n * Runtime helper for rendering <slot>\n */\nfunction renderSlot (\n  name,\n  fallback,\n  props,\n  bindObject\n) {\n  var scopedSlotFn = this.$scopedSlots[name];\n  if (scopedSlotFn) { // scoped slot\n    props = props || {};\n    if (bindObject) {\n      props = extend(extend({}, bindObject), props);\n    }\n    return scopedSlotFn(props) || fallback\n  } else {\n    var slotNodes = this.$slots[name];\n    // warn duplicate slot usage\n    if (slotNodes && process.env.NODE_ENV !== 'production') {\n      slotNodes._rendered && warn(\n        \"Duplicate presence of slot \\\"\" + name + \"\\\" found in the same render tree \" +\n        \"- this will likely cause render errors.\",\n        this\n      );\n      slotNodes._rendered = true;\n    }\n    return slotNodes || fallback\n  }\n}\n\n/*  */\n\n/**\n * Runtime helper for resolving filters\n */\nfunction resolveFilter (id) {\n  return resolveAsset(this.$options, 'filters', id, true) || identity\n}\n\n/*  */\n\n/**\n * Runtime helper for checking keyCodes from config.\n */\nfunction checkKeyCodes (\n  eventKeyCode,\n  key,\n  builtInAlias\n) {\n  var keyCodes = config.keyCodes[key] || builtInAlias;\n  if (Array.isArray(keyCodes)) {\n    return keyCodes.indexOf(eventKeyCode) === -1\n  } else {\n    return keyCodes !== eventKeyCode\n  }\n}\n\n/*  */\n\n/**\n * Runtime helper for merging v-bind=\"object\" into a VNode's data.\n */\nfunction bindObjectProps (\n  data,\n  tag,\n  value,\n  asProp,\n  isSync\n) {\n  if (value) {\n    if (!isObject(value)) {\n      process.env.NODE_ENV !== 'production' && warn(\n        'v-bind without argument expects an Object or Array value',\n        this\n      );\n    } else {\n      if (Array.isArray(value)) {\n        value = toObject(value);\n      }\n      var hash;\n      var loop = function ( key ) {\n        if (\n          key === 'class' ||\n          key === 'style' ||\n          isReservedAttribute(key)\n        ) {\n          hash = data;\n        } else {\n          var type = data.attrs && data.attrs.type;\n          hash = asProp || config.mustUseProp(tag, type, key)\n            ? data.domProps || (data.domProps = {})\n            : data.attrs || (data.attrs = {});\n        }\n        if (!(key in hash)) {\n          hash[key] = value[key];\n\n          if (isSync) {\n            var on = data.on || (data.on = {});\n            on[(\"update:\" + key)] = function ($event) {\n              value[key] = $event;\n            };\n          }\n        }\n      };\n\n      for (var key in value) loop( key );\n    }\n  }\n  return data\n}\n\n/*  */\n\n/**\n * Runtime helper for rendering static trees.\n */\nfunction renderStatic (\n  index,\n  isInFor\n) {\n  var tree = this._staticTrees[index];\n  // if has already-rendered static tree and not inside v-for,\n  // we can reuse the same tree by doing a shallow clone.\n  if (tree && !isInFor) {\n    return Array.isArray(tree)\n      ? cloneVNodes(tree)\n      : cloneVNode(tree)\n  }\n  // otherwise, render a fresh tree.\n  tree = this._staticTrees[index] =\n    this.$options.staticRenderFns[index].call(this._renderProxy);\n  markStatic(tree, (\"__static__\" + index), false);\n  return tree\n}\n\n/**\n * Runtime helper for v-once.\n * Effectively it means marking the node as static with a unique key.\n */\nfunction markOnce (\n  tree,\n  index,\n  key\n) {\n  markStatic(tree, (\"__once__\" + index + (key ? (\"_\" + key) : \"\")), true);\n  return tree\n}\n\nfunction markStatic (\n  tree,\n  key,\n  isOnce\n) {\n  if (Array.isArray(tree)) {\n    for (var i = 0; i < tree.length; i++) {\n      if (tree[i] && typeof tree[i] !== 'string') {\n        markStaticNode(tree[i], (key + \"_\" + i), isOnce);\n      }\n    }\n  } else {\n    markStaticNode(tree, key, isOnce);\n  }\n}\n\nfunction markStaticNode (node, key, isOnce) {\n  node.isStatic = true;\n  node.key = key;\n  node.isOnce = isOnce;\n}\n\n/*  */\n\nfunction bindObjectListeners (data, value) {\n  if (value) {\n    if (!isPlainObject(value)) {\n      process.env.NODE_ENV !== 'production' && warn(\n        'v-on without argument expects an Object value',\n        this\n      );\n    } else {\n      var on = data.on = data.on ? extend({}, data.on) : {};\n      for (var key in value) {\n        var existing = on[key];\n        var ours = value[key];\n        on[key] = existing ? [].concat(ours, existing) : ours;\n      }\n    }\n  }\n  return data\n}\n\n/*  */\n\nfunction initRender (vm) {\n  vm._vnode = null; // the root of the child tree\n  vm._staticTrees = null;\n  var parentVnode = vm.$vnode = vm.$options._parentVnode; // the placeholder node in parent tree\n  var renderContext = parentVnode && parentVnode.context;\n  vm.$slots = resolveSlots(vm.$options._renderChildren, renderContext);\n  vm.$scopedSlots = emptyObject;\n  // bind the createElement fn to this instance\n  // so that we get proper render context inside it.\n  // args order: tag, data, children, normalizationType, alwaysNormalize\n  // internal version is used by render functions compiled from templates\n  vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); };\n  // normalization is always applied for the public version, used in\n  // user-written render functions.\n  vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); };\n\n  // $attrs & $listeners are exposed for easier HOC creation.\n  // they need to be reactive so that HOCs using them are always updated\n  var parentData = parentVnode && parentVnode.data;\n\n  /* istanbul ignore else */\n  if (process.env.NODE_ENV !== 'production') {\n    defineReactive$$1(vm, '$attrs', parentData && parentData.attrs || emptyObject, function () {\n      !isUpdatingChildComponent && warn(\"$attrs is readonly.\", vm);\n    }, true);\n    defineReactive$$1(vm, '$listeners', vm.$options._parentListeners || emptyObject, function () {\n      !isUpdatingChildComponent && warn(\"$listeners is readonly.\", vm);\n    }, true);\n  } else {\n    defineReactive$$1(vm, '$attrs', parentData && parentData.attrs || emptyObject, null, true);\n    defineReactive$$1(vm, '$listeners', vm.$options._parentListeners || emptyObject, null, true);\n  }\n}\n\nfunction renderMixin (Vue) {\n  Vue.prototype.$nextTick = function (fn) {\n    return nextTick(fn, this)\n  };\n\n  Vue.prototype._render = function () {\n    var vm = this;\n    var ref = vm.$options;\n    var render = ref.render;\n    var staticRenderFns = ref.staticRenderFns;\n    var _parentVnode = ref._parentVnode;\n\n    if (vm._isMounted) {\n      // if the parent didn't update, the slot nodes will be the ones from\n      // last render. They need to be cloned to ensure \"freshness\" for this render.\n      for (var key in vm.$slots) {\n        var slot = vm.$slots[key];\n        if (slot._rendered) {\n          vm.$slots[key] = cloneVNodes(slot, true /* deep */);\n        }\n      }\n    }\n\n    vm.$scopedSlots = (_parentVnode && _parentVnode.data.scopedSlots) || emptyObject;\n\n    if (staticRenderFns && !vm._staticTrees) {\n      vm._staticTrees = [];\n    }\n    // set parent vnode. this allows render functions to have access\n    // to the data on the placeholder node.\n    vm.$vnode = _parentVnode;\n    // render self\n    var vnode;\n    try {\n      vnode = render.call(vm._renderProxy, vm.$createElement);\n    } catch (e) {\n      handleError(e, vm, \"render function\");\n      // return error render result,\n      // or previous vnode to prevent render error causing blank component\n      /* istanbul ignore else */\n      if (process.env.NODE_ENV !== 'production') {\n        vnode = vm.$options.renderError\n          ? vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e)\n          : vm._vnode;\n      } else {\n        vnode = vm._vnode;\n      }\n    }\n    // return empty vnode in case the render function errored out\n    if (!(vnode instanceof VNode)) {\n      if (process.env.NODE_ENV !== 'production' && Array.isArray(vnode)) {\n        warn(\n          'Multiple root nodes returned from render function. Render function ' +\n          'should return a single root node.',\n          vm\n        );\n      }\n      vnode = createEmptyVNode();\n    }\n    // set parent\n    vnode.parent = _parentVnode;\n    return vnode\n  };\n\n  // internal render helpers.\n  // these are exposed on the instance prototype to reduce generated render\n  // code size.\n  Vue.prototype._o = markOnce;\n  Vue.prototype._n = toNumber;\n  Vue.prototype._s = toString;\n  Vue.prototype._l = renderList;\n  Vue.prototype._t = renderSlot;\n  Vue.prototype._q = looseEqual;\n  Vue.prototype._i = looseIndexOf;\n  Vue.prototype._m = renderStatic;\n  Vue.prototype._f = resolveFilter;\n  Vue.prototype._k = checkKeyCodes;\n  Vue.prototype._b = bindObjectProps;\n  Vue.prototype._v = createTextVNode;\n  Vue.prototype._e = createEmptyVNode;\n  Vue.prototype._u = resolveScopedSlots;\n  Vue.prototype._g = bindObjectListeners;\n}\n\n/*  */\n\nvar uid = 0;\n\nfunction initMixin (Vue) {\n  Vue.prototype._init = function (options) {\n    var vm = this;\n    // a uid\n    vm._uid = uid++;\n\n    var startTag, endTag;\n    /* istanbul ignore if */\n    if (process.env.NODE_ENV !== 'production' && config.performance && mark) {\n      startTag = \"vue-perf-init:\" + (vm._uid);\n      endTag = \"vue-perf-end:\" + (vm._uid);\n      mark(startTag);\n    }\n\n    // a flag to avoid this being observed\n    vm._isVue = true;\n    // merge options\n    if (options && options._isComponent) {\n      // optimize internal component instantiation\n      // since dynamic options merging is pretty slow, and none of the\n      // internal component options needs special treatment.\n      initInternalComponent(vm, options);\n    } else {\n      vm.$options = mergeOptions(\n        resolveConstructorOptions(vm.constructor),\n        options || {},\n        vm\n      );\n    }\n    /* istanbul ignore else */\n    if (process.env.NODE_ENV !== 'production') {\n      initProxy(vm);\n    } else {\n      vm._renderProxy = vm;\n    }\n    // expose real self\n    vm._self = vm;\n    initLifecycle(vm);\n    initEvents(vm);\n    initRender(vm);\n    callHook(vm, 'beforeCreate');\n    initInjections(vm); // resolve injections before data/props\n    initState(vm);\n    initProvide(vm); // resolve provide after data/props\n    callHook(vm, 'created');\n\n    /* istanbul ignore if */\n    if (process.env.NODE_ENV !== 'production' && config.performance && mark) {\n      vm._name = formatComponentName(vm, false);\n      mark(endTag);\n      measure(((vm._name) + \" init\"), startTag, endTag);\n    }\n\n    if (vm.$options.el) {\n      vm.$mount(vm.$options.el);\n    }\n  };\n}\n\nfunction initInternalComponent (vm, options) {\n  var opts = vm.$options = Object.create(vm.constructor.options);\n  // doing this because it's faster than dynamic enumeration.\n  opts.parent = options.parent;\n  opts.propsData = options.propsData;\n  opts._parentVnode = options._parentVnode;\n  opts._parentListeners = options._parentListeners;\n  opts._renderChildren = options._renderChildren;\n  opts._componentTag = options._componentTag;\n  opts._parentElm = options._parentElm;\n  opts._refElm = options._refElm;\n  if (options.render) {\n    opts.render = options.render;\n    opts.staticRenderFns = options.staticRenderFns;\n  }\n}\n\nfunction resolveConstructorOptions (Ctor) {\n  var options = Ctor.options;\n  if (Ctor.super) {\n    var superOptions = resolveConstructorOptions(Ctor.super);\n    var cachedSuperOptions = Ctor.superOptions;\n    if (superOptions !== cachedSuperOptions) {\n      // super option changed,\n      // need to resolve new options.\n      Ctor.superOptions = superOptions;\n      // check if there are any late-modified/attached options (#4976)\n      var modifiedOptions = resolveModifiedOptions(Ctor);\n      // update base extend options\n      if (modifiedOptions) {\n        extend(Ctor.extendOptions, modifiedOptions);\n      }\n      options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);\n      if (options.name) {\n        options.components[options.name] = Ctor;\n      }\n    }\n  }\n  return options\n}\n\nfunction resolveModifiedOptions (Ctor) {\n  var modified;\n  var latest = Ctor.options;\n  var extended = Ctor.extendOptions;\n  var sealed = Ctor.sealedOptions;\n  for (var key in latest) {\n    if (latest[key] !== sealed[key]) {\n      if (!modified) { modified = {}; }\n      modified[key] = dedupe(latest[key], extended[key], sealed[key]);\n    }\n  }\n  return modified\n}\n\nfunction dedupe (latest, extended, sealed) {\n  // compare latest and sealed to ensure lifecycle hooks won't be duplicated\n  // between merges\n  if (Array.isArray(latest)) {\n    var res = [];\n    sealed = Array.isArray(sealed) ? sealed : [sealed];\n    extended = Array.isArray(extended) ? extended : [extended];\n    for (var i = 0; i < latest.length; i++) {\n      // push original options and not sealed options to exclude duplicated options\n      if (extended.indexOf(latest[i]) >= 0 || sealed.indexOf(latest[i]) < 0) {\n        res.push(latest[i]);\n      }\n    }\n    return res\n  } else {\n    return latest\n  }\n}\n\nfunction Vue$3 (options) {\n  if (process.env.NODE_ENV !== 'production' &&\n    !(this instanceof Vue$3)\n  ) {\n    warn('Vue is a constructor and should be called with the `new` keyword');\n  }\n  this._init(options);\n}\n\ninitMixin(Vue$3);\nstateMixin(Vue$3);\neventsMixin(Vue$3);\nlifecycleMixin(Vue$3);\nrenderMixin(Vue$3);\n\n/*  */\n\nfunction initUse (Vue) {\n  Vue.use = function (plugin) {\n    var installedPlugins = (this._installedPlugins || (this._installedPlugins = []));\n    if (installedPlugins.indexOf(plugin) > -1) {\n      return this\n    }\n\n    // additional parameters\n    var args = toArray(arguments, 1);\n    args.unshift(this);\n    if (typeof plugin.install === 'function') {\n      plugin.install.apply(plugin, args);\n    } else if (typeof plugin === 'function') {\n      plugin.apply(null, args);\n    }\n    installedPlugins.push(plugin);\n    return this\n  };\n}\n\n/*  */\n\nfunction initMixin$1 (Vue) {\n  Vue.mixin = function (mixin) {\n    this.options = mergeOptions(this.options, mixin);\n    return this\n  };\n}\n\n/*  */\n\nfunction initExtend (Vue) {\n  /**\n   * Each instance constructor, including Vue, has a unique\n   * cid. This enables us to create wrapped \"child\n   * constructors\" for prototypal inheritance and cache them.\n   */\n  Vue.cid = 0;\n  var cid = 1;\n\n  /**\n   * Class inheritance\n   */\n  Vue.extend = function (extendOptions) {\n    extendOptions = extendOptions || {};\n    var Super = this;\n    var SuperId = Super.cid;\n    var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});\n    if (cachedCtors[SuperId]) {\n      return cachedCtors[SuperId]\n    }\n\n    var name = extendOptions.name || Super.options.name;\n    if (process.env.NODE_ENV !== 'production') {\n      if (!/^[a-zA-Z][\\w-]*$/.test(name)) {\n        warn(\n          'Invalid component name: \"' + name + '\". Component names ' +\n          'can only contain alphanumeric characters and the hyphen, ' +\n          'and must start with a letter.'\n        );\n      }\n    }\n\n    var Sub = function VueComponent (options) {\n      this._init(options);\n    };\n    Sub.prototype = Object.create(Super.prototype);\n    Sub.prototype.constructor = Sub;\n    Sub.cid = cid++;\n    Sub.options = mergeOptions(\n      Super.options,\n      extendOptions\n    );\n    Sub['super'] = Super;\n\n    // For props and computed properties, we define the proxy getters on\n    // the Vue instances at extension time, on the extended prototype. This\n    // avoids Object.defineProperty calls for each instance created.\n    if (Sub.options.props) {\n      initProps$1(Sub);\n    }\n    if (Sub.options.computed) {\n      initComputed$1(Sub);\n    }\n\n    // allow further extension/mixin/plugin usage\n    Sub.extend = Super.extend;\n    Sub.mixin = Super.mixin;\n    Sub.use = Super.use;\n\n    // create asset registers, so extended classes\n    // can have their private assets too.\n    ASSET_TYPES.forEach(function (type) {\n      Sub[type] = Super[type];\n    });\n    // enable recursive self-lookup\n    if (name) {\n      Sub.options.components[name] = Sub;\n    }\n\n    // keep a reference to the super options at extension time.\n    // later at instantiation we can check if Super's options have\n    // been updated.\n    Sub.superOptions = Super.options;\n    Sub.extendOptions = extendOptions;\n    Sub.sealedOptions = extend({}, Sub.options);\n\n    // cache constructor\n    cachedCtors[SuperId] = Sub;\n    return Sub\n  };\n}\n\nfunction initProps$1 (Comp) {\n  var props = Comp.options.props;\n  for (var key in props) {\n    proxy(Comp.prototype, \"_props\", key);\n  }\n}\n\nfunction initComputed$1 (Comp) {\n  var computed = Comp.options.computed;\n  for (var key in computed) {\n    defineComputed(Comp.prototype, key, computed[key]);\n  }\n}\n\n/*  */\n\nfunction initAssetRegisters (Vue) {\n  /**\n   * Create asset registration methods.\n   */\n  ASSET_TYPES.forEach(function (type) {\n    Vue[type] = function (\n      id,\n      definition\n    ) {\n      if (!definition) {\n        return this.options[type + 's'][id]\n      } else {\n        /* istanbul ignore if */\n        if (process.env.NODE_ENV !== 'production') {\n          if (type === 'component' && config.isReservedTag(id)) {\n            warn(\n              'Do not use built-in or reserved HTML elements as component ' +\n              'id: ' + id\n            );\n          }\n        }\n        if (type === 'component' && isPlainObject(definition)) {\n          definition.name = definition.name || id;\n          definition = this.options._base.extend(definition);\n        }\n        if (type === 'directive' && typeof definition === 'function') {\n          definition = { bind: definition, update: definition };\n        }\n        this.options[type + 's'][id] = definition;\n        return definition\n      }\n    };\n  });\n}\n\n/*  */\n\nvar patternTypes = [String, RegExp, Array];\n\nfunction getComponentName (opts) {\n  return opts && (opts.Ctor.options.name || opts.tag)\n}\n\nfunction matches (pattern, name) {\n  if (Array.isArray(pattern)) {\n    return pattern.indexOf(name) > -1\n  } else if (typeof pattern === 'string') {\n    return pattern.split(',').indexOf(name) > -1\n  } else if (isRegExp(pattern)) {\n    return pattern.test(name)\n  }\n  /* istanbul ignore next */\n  return false\n}\n\nfunction pruneCache (cache, current, filter) {\n  for (var key in cache) {\n    var cachedNode = cache[key];\n    if (cachedNode) {\n      var name = getComponentName(cachedNode.componentOptions);\n      if (name && !filter(name)) {\n        if (cachedNode !== current) {\n          pruneCacheEntry(cachedNode);\n        }\n        cache[key] = null;\n      }\n    }\n  }\n}\n\nfunction pruneCacheEntry (vnode) {\n  if (vnode) {\n    vnode.componentInstance.$destroy();\n  }\n}\n\nvar KeepAlive = {\n  name: 'keep-alive',\n  abstract: true,\n\n  props: {\n    include: patternTypes,\n    exclude: patternTypes\n  },\n\n  created: function created () {\n    this.cache = Object.create(null);\n  },\n\n  destroyed: function destroyed () {\n    var this$1 = this;\n\n    for (var key in this$1.cache) {\n      pruneCacheEntry(this$1.cache[key]);\n    }\n  },\n\n  watch: {\n    include: function include (val) {\n      pruneCache(this.cache, this._vnode, function (name) { return matches(val, name); });\n    },\n    exclude: function exclude (val) {\n      pruneCache(this.cache, this._vnode, function (name) { return !matches(val, name); });\n    }\n  },\n\n  render: function render () {\n    var vnode = getFirstComponentChild(this.$slots.default);\n    var componentOptions = vnode && vnode.componentOptions;\n    if (componentOptions) {\n      // check pattern\n      var name = getComponentName(componentOptions);\n      if (name && (\n        (this.include && !matches(this.include, name)) ||\n        (this.exclude && matches(this.exclude, name))\n      )) {\n        return vnode\n      }\n      var key = vnode.key == null\n        // same constructor may get registered as different local components\n        // so cid alone is not enough (#3269)\n        ? componentOptions.Ctor.cid + (componentOptions.tag ? (\"::\" + (componentOptions.tag)) : '')\n        : vnode.key;\n      if (this.cache[key]) {\n        vnode.componentInstance = this.cache[key].componentInstance;\n      } else {\n        this.cache[key] = vnode;\n      }\n      vnode.data.keepAlive = true;\n    }\n    return vnode\n  }\n};\n\nvar builtInComponents = {\n  KeepAlive: KeepAlive\n};\n\n/*  */\n\nfunction initGlobalAPI (Vue) {\n  // config\n  var configDef = {};\n  configDef.get = function () { return config; };\n  if (process.env.NODE_ENV !== 'production') {\n    configDef.set = function () {\n      warn(\n        'Do not replace the Vue.config object, set individual fields instead.'\n      );\n    };\n  }\n  Object.defineProperty(Vue, 'config', configDef);\n\n  // exposed util methods.\n  // NOTE: these are not considered part of the public API - avoid relying on\n  // them unless you are aware of the risk.\n  Vue.util = {\n    warn: warn,\n    extend: extend,\n    mergeOptions: mergeOptions,\n    defineReactive: defineReactive$$1\n  };\n\n  Vue.set = set;\n  Vue.delete = del;\n  Vue.nextTick = nextTick;\n\n  Vue.options = Object.create(null);\n  ASSET_TYPES.forEach(function (type) {\n    Vue.options[type + 's'] = Object.create(null);\n  });\n\n  // this is used to identify the \"base\" constructor to extend all plain-object\n  // components with in Weex's multi-instance scenarios.\n  Vue.options._base = Vue;\n\n  extend(Vue.options.components, builtInComponents);\n\n  initUse(Vue);\n  initMixin$1(Vue);\n  initExtend(Vue);\n  initAssetRegisters(Vue);\n}\n\ninitGlobalAPI(Vue$3);\n\nObject.defineProperty(Vue$3.prototype, '$isServer', {\n  get: isServerRendering\n});\n\nObject.defineProperty(Vue$3.prototype, '$ssrContext', {\n  get: function get () {\n    /* istanbul ignore next */\n    return this.$vnode && this.$vnode.ssrContext\n  }\n});\n\nVue$3.version = '2.4.4';\n\n/*  */\n\n// these are reserved for web because they are directly compiled away\n// during template compilation\nvar isReservedAttr = makeMap('style,class');\n\n// attributes that should be using props for binding\nvar acceptValue = makeMap('input,textarea,option,select,progress');\nvar mustUseProp = function (tag, type, attr) {\n  return (\n    (attr === 'value' && acceptValue(tag)) && type !== 'button' ||\n    (attr === 'selected' && tag === 'option') ||\n    (attr === 'checked' && tag === 'input') ||\n    (attr === 'muted' && tag === 'video')\n  )\n};\n\nvar isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');\n\nvar isBooleanAttr = makeMap(\n  'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +\n  'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +\n  'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +\n  'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +\n  'required,reversed,scoped,seamless,selected,sortable,translate,' +\n  'truespeed,typemustmatch,visible'\n);\n\nvar xlinkNS = 'http://www.w3.org/1999/xlink';\n\nvar isXlink = function (name) {\n  return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'\n};\n\nvar getXlinkProp = function (name) {\n  return isXlink(name) ? name.slice(6, name.length) : ''\n};\n\nvar isFalsyAttrValue = function (val) {\n  return val == null || val === false\n};\n\n/*  */\n\nfunction genClassForVnode (vnode) {\n  var data = vnode.data;\n  var parentNode = vnode;\n  var childNode = vnode;\n  while (isDef(childNode.componentInstance)) {\n    childNode = childNode.componentInstance._vnode;\n    if (childNode.data) {\n      data = mergeClassData(childNode.data, data);\n    }\n  }\n  while (isDef(parentNode = parentNode.parent)) {\n    if (parentNode.data) {\n      data = mergeClassData(data, parentNode.data);\n    }\n  }\n  return renderClass(data.staticClass, data.class)\n}\n\nfunction mergeClassData (child, parent) {\n  return {\n    staticClass: concat(child.staticClass, parent.staticClass),\n    class: isDef(child.class)\n      ? [child.class, parent.class]\n      : parent.class\n  }\n}\n\nfunction renderClass (\n  staticClass,\n  dynamicClass\n) {\n  if (isDef(staticClass) || isDef(dynamicClass)) {\n    return concat(staticClass, stringifyClass(dynamicClass))\n  }\n  /* istanbul ignore next */\n  return ''\n}\n\nfunction concat (a, b) {\n  return a ? b ? (a + ' ' + b) : a : (b || '')\n}\n\nfunction stringifyClass (value) {\n  if (Array.isArray(value)) {\n    return stringifyArray(value)\n  }\n  if (isObject(value)) {\n    return stringifyObject(value)\n  }\n  if (typeof value === 'string') {\n    return value\n  }\n  /* istanbul ignore next */\n  return ''\n}\n\nfunction stringifyArray (value) {\n  var res = '';\n  var stringified;\n  for (var i = 0, l = value.length; i < l; i++) {\n    if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') {\n      if (res) { res += ' '; }\n      res += stringified;\n    }\n  }\n  return res\n}\n\nfunction stringifyObject (value) {\n  var res = '';\n  for (var key in value) {\n    if (value[key]) {\n      if (res) { res += ' '; }\n      res += key;\n    }\n  }\n  return res\n}\n\n/*  */\n\nvar namespaceMap = {\n  svg: 'http://www.w3.org/2000/svg',\n  math: 'http://www.w3.org/1998/Math/MathML'\n};\n\nvar isHTMLTag = makeMap(\n  'html,body,base,head,link,meta,style,title,' +\n  'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +\n  'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +\n  'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +\n  's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +\n  'embed,object,param,source,canvas,script,noscript,del,ins,' +\n  'caption,col,colgroup,table,thead,tbody,td,th,tr,' +\n  'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +\n  'output,progress,select,textarea,' +\n  'details,dialog,menu,menuitem,summary,' +\n  'content,element,shadow,template,blockquote,iframe,tfoot'\n);\n\n// this map is intentionally selective, only covering SVG elements that may\n// contain child elements.\nvar isSVG = makeMap(\n  'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +\n  'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +\n  'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',\n  true\n);\n\n\n\nvar isReservedTag = function (tag) {\n  return isHTMLTag(tag) || isSVG(tag)\n};\n\nfunction getTagNamespace (tag) {\n  if (isSVG(tag)) {\n    return 'svg'\n  }\n  // basic support for MathML\n  // note it doesn't support other MathML elements being component roots\n  if (tag === 'math') {\n    return 'math'\n  }\n}\n\nvar unknownElementCache = Object.create(null);\nfunction isUnknownElement (tag) {\n  /* istanbul ignore if */\n  if (!inBrowser) {\n    return true\n  }\n  if (isReservedTag(tag)) {\n    return false\n  }\n  tag = tag.toLowerCase();\n  /* istanbul ignore if */\n  if (unknownElementCache[tag] != null) {\n    return unknownElementCache[tag]\n  }\n  var el = document.createElement(tag);\n  if (tag.indexOf('-') > -1) {\n    // http://stackoverflow.com/a/28210364/1070244\n    return (unknownElementCache[tag] = (\n      el.constructor === window.HTMLUnknownElement ||\n      el.constructor === window.HTMLElement\n    ))\n  } else {\n    return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))\n  }\n}\n\nvar isTextInputType = makeMap('text,number,password,search,email,tel,url');\n\n/*  */\n\n/**\n * Query an element selector if it's not an element already.\n */\nfunction query (el) {\n  if (typeof el === 'string') {\n    var selected = document.querySelector(el);\n    if (!selected) {\n      process.env.NODE_ENV !== 'production' && warn(\n        'Cannot find element: ' + el\n      );\n      return document.createElement('div')\n    }\n    return selected\n  } else {\n    return el\n  }\n}\n\n/*  */\n\nfunction createElement$1 (tagName, vnode) {\n  var elm = document.createElement(tagName);\n  if (tagName !== 'select') {\n    return elm\n  }\n  // false or null will remove the attribute but undefined will not\n  if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) {\n    elm.setAttribute('multiple', 'multiple');\n  }\n  return elm\n}\n\nfunction createElementNS (namespace, tagName) {\n  return document.createElementNS(namespaceMap[namespace], tagName)\n}\n\nfunction createTextNode (text) {\n  return document.createTextNode(text)\n}\n\nfunction createComment (text) {\n  return document.createComment(text)\n}\n\nfunction insertBefore (parentNode, newNode, referenceNode) {\n  parentNode.insertBefore(newNode, referenceNode);\n}\n\nfunction removeChild (node, child) {\n  node.removeChild(child);\n}\n\nfunction appendChild (node, child) {\n  node.appendChild(child);\n}\n\nfunction parentNode (node) {\n  return node.parentNode\n}\n\nfunction nextSibling (node) {\n  return node.nextSibling\n}\n\nfunction tagName (node) {\n  return node.tagName\n}\n\nfunction setTextContent (node, text) {\n  node.textContent = text;\n}\n\nfunction setAttribute (node, key, val) {\n  node.setAttribute(key, val);\n}\n\n\nvar nodeOps = Object.freeze({\n\tcreateElement: createElement$1,\n\tcreateElementNS: createElementNS,\n\tcreateTextNode: createTextNode,\n\tcreateComment: createComment,\n\tinsertBefore: insertBefore,\n\tremoveChild: removeChild,\n\tappendChild: appendChild,\n\tparentNode: parentNode,\n\tnextSibling: nextSibling,\n\ttagName: tagName,\n\tsetTextContent: setTextContent,\n\tsetAttribute: setAttribute\n});\n\n/*  */\n\nvar ref = {\n  create: function create (_, vnode) {\n    registerRef(vnode);\n  },\n  update: function update (oldVnode, vnode) {\n    if (oldVnode.data.ref !== vnode.data.ref) {\n      registerRef(oldVnode, true);\n      registerRef(vnode);\n    }\n  },\n  destroy: function destroy (vnode) {\n    registerRef(vnode, true);\n  }\n};\n\nfunction registerRef (vnode, isRemoval) {\n  var key = vnode.data.ref;\n  if (!key) { return }\n\n  var vm = vnode.context;\n  var ref = vnode.componentInstance || vnode.elm;\n  var refs = vm.$refs;\n  if (isRemoval) {\n    if (Array.isArray(refs[key])) {\n      remove(refs[key], ref);\n    } else if (refs[key] === ref) {\n      refs[key] = undefined;\n    }\n  } else {\n    if (vnode.data.refInFor) {\n      if (!Array.isArray(refs[key])) {\n        refs[key] = [ref];\n      } else if (refs[key].indexOf(ref) < 0) {\n        // $flow-disable-line\n        refs[key].push(ref);\n      }\n    } else {\n      refs[key] = ref;\n    }\n  }\n}\n\n/**\n * Virtual DOM patching algorithm based on Snabbdom by\n * Simon Friis Vindum (@paldepind)\n * Licensed under the MIT License\n * https://github.com/paldepind/snabbdom/blob/master/LICENSE\n *\n * modified by Evan You (@yyx990803)\n *\n * Not type-checking this because this file is perf-critical and the cost\n * of making flow understand it is not worth it.\n */\n\nvar emptyNode = new VNode('', {}, []);\n\nvar hooks = ['create', 'activate', 'update', 'remove', 'destroy'];\n\nfunction sameVnode (a, b) {\n  return (\n    a.key === b.key && (\n      (\n        a.tag === b.tag &&\n        a.isComment === b.isComment &&\n        isDef(a.data) === isDef(b.data) &&\n        sameInputType(a, b)\n      ) || (\n        isTrue(a.isAsyncPlaceholder) &&\n        a.asyncFactory === b.asyncFactory &&\n        isUndef(b.asyncFactory.error)\n      )\n    )\n  )\n}\n\nfunction sameInputType (a, b) {\n  if (a.tag !== 'input') { return true }\n  var i;\n  var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type;\n  var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type;\n  return typeA === typeB || isTextInputType(typeA) && isTextInputType(typeB)\n}\n\nfunction createKeyToOldIdx (children, beginIdx, endIdx) {\n  var i, key;\n  var map = {};\n  for (i = beginIdx; i <= endIdx; ++i) {\n    key = children[i].key;\n    if (isDef(key)) { map[key] = i; }\n  }\n  return map\n}\n\nfunction createPatchFunction (backend) {\n  var i, j;\n  var cbs = {};\n\n  var modules = backend.modules;\n  var nodeOps = backend.nodeOps;\n\n  for (i = 0; i < hooks.length; ++i) {\n    cbs[hooks[i]] = [];\n    for (j = 0; j < modules.length; ++j) {\n      if (isDef(modules[j][hooks[i]])) {\n        cbs[hooks[i]].push(modules[j][hooks[i]]);\n      }\n    }\n  }\n\n  function emptyNodeAt (elm) {\n    return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)\n  }\n\n  function createRmCb (childElm, listeners) {\n    function remove$$1 () {\n      if (--remove$$1.listeners === 0) {\n        removeNode(childElm);\n      }\n    }\n    remove$$1.listeners = listeners;\n    return remove$$1\n  }\n\n  function removeNode (el) {\n    var parent = nodeOps.parentNode(el);\n    // element may have already been removed due to v-html / v-text\n    if (isDef(parent)) {\n      nodeOps.removeChild(parent, el);\n    }\n  }\n\n  var inPre = 0;\n  function createElm (vnode, insertedVnodeQueue, parentElm, refElm, nested) {\n    vnode.isRootInsert = !nested; // for transition enter check\n    if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {\n      return\n    }\n\n    var data = vnode.data;\n    var children = vnode.children;\n    var tag = vnode.tag;\n    if (isDef(tag)) {\n      if (process.env.NODE_ENV !== 'production') {\n        if (data && data.pre) {\n          inPre++;\n        }\n        if (\n          !inPre &&\n          !vnode.ns &&\n          !(config.ignoredElements.length && config.ignoredElements.indexOf(tag) > -1) &&\n          config.isUnknownElement(tag)\n        ) {\n          warn(\n            'Unknown custom element: <' + tag + '> - did you ' +\n            'register the component correctly? For recursive components, ' +\n            'make sure to provide the \"name\" option.',\n            vnode.context\n          );\n        }\n      }\n      vnode.elm = vnode.ns\n        ? nodeOps.createElementNS(vnode.ns, tag)\n        : nodeOps.createElement(tag, vnode);\n      setScope(vnode);\n\n      /* istanbul ignore if */\n      {\n        createChildren(vnode, children, insertedVnodeQueue);\n        if (isDef(data)) {\n          invokeCreateHooks(vnode, insertedVnodeQueue);\n        }\n        insert(parentElm, vnode.elm, refElm);\n      }\n\n      if (process.env.NODE_ENV !== 'production' && data && data.pre) {\n        inPre--;\n      }\n    } else if (isTrue(vnode.isComment)) {\n      vnode.elm = nodeOps.createComment(vnode.text);\n      insert(parentElm, vnode.elm, refElm);\n    } else {\n      vnode.elm = nodeOps.createTextNode(vnode.text);\n      insert(parentElm, vnode.elm, refElm);\n    }\n  }\n\n  function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {\n    var i = vnode.data;\n    if (isDef(i)) {\n      var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;\n      if (isDef(i = i.hook) && isDef(i = i.init)) {\n        i(vnode, false /* hydrating */, parentElm, refElm);\n      }\n      // after calling the init hook, if the vnode is a child component\n      // it should've created a child instance and mounted it. the child\n      // component also has set the placeholder vnode's elm.\n      // in that case we can just return the element and be done.\n      if (isDef(vnode.componentInstance)) {\n        initComponent(vnode, insertedVnodeQueue);\n        if (isTrue(isReactivated)) {\n          reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);\n        }\n        return true\n      }\n    }\n  }\n\n  function initComponent (vnode, insertedVnodeQueue) {\n    if (isDef(vnode.data.pendingInsert)) {\n      insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);\n      vnode.data.pendingInsert = null;\n    }\n    vnode.elm = vnode.componentInstance.$el;\n    if (isPatchable(vnode)) {\n      invokeCreateHooks(vnode, insertedVnodeQueue);\n      setScope(vnode);\n    } else {\n      // empty component root.\n      // skip all element-related modules except for ref (#3455)\n      registerRef(vnode);\n      // make sure to invoke the insert hook\n      insertedVnodeQueue.push(vnode);\n    }\n  }\n\n  function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {\n    var i;\n    // hack for #4339: a reactivated component with inner transition\n    // does not trigger because the inner node's created hooks are not called\n    // again. It's not ideal to involve module-specific logic in here but\n    // there doesn't seem to be a better way to do it.\n    var innerNode = vnode;\n    while (innerNode.componentInstance) {\n      innerNode = innerNode.componentInstance._vnode;\n      if (isDef(i = innerNode.data) && isDef(i = i.transition)) {\n        for (i = 0; i < cbs.activate.length; ++i) {\n          cbs.activate[i](emptyNode, innerNode);\n        }\n        insertedVnodeQueue.push(innerNode);\n        break\n      }\n    }\n    // unlike a newly created component,\n    // a reactivated keep-alive component doesn't insert itself\n    insert(parentElm, vnode.elm, refElm);\n  }\n\n  function insert (parent, elm, ref$$1) {\n    if (isDef(parent)) {\n      if (isDef(ref$$1)) {\n        if (ref$$1.parentNode === parent) {\n          nodeOps.insertBefore(parent, elm, ref$$1);\n        }\n      } else {\n        nodeOps.appendChild(parent, elm);\n      }\n    }\n  }\n\n  function createChildren (vnode, children, insertedVnodeQueue) {\n    if (Array.isArray(children)) {\n      for (var i = 0; i < children.length; ++i) {\n        createElm(children[i], insertedVnodeQueue, vnode.elm, null, true);\n      }\n    } else if (isPrimitive(vnode.text)) {\n      nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(vnode.text));\n    }\n  }\n\n  function isPatchable (vnode) {\n    while (vnode.componentInstance) {\n      vnode = vnode.componentInstance._vnode;\n    }\n    return isDef(vnode.tag)\n  }\n\n  function invokeCreateHooks (vnode, insertedVnodeQueue) {\n    for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {\n      cbs.create[i$1](emptyNode, vnode);\n    }\n    i = vnode.data.hook; // Reuse variable\n    if (isDef(i)) {\n      if (isDef(i.create)) { i.create(emptyNode, vnode); }\n      if (isDef(i.insert)) { insertedVnodeQueue.push(vnode); }\n    }\n  }\n\n  // set scope id attribute for scoped CSS.\n  // this is implemented as a special case to avoid the overhead\n  // of going through the normal attribute patching process.\n  function setScope (vnode) {\n    var i;\n    var ancestor = vnode;\n    while (ancestor) {\n      if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {\n        nodeOps.setAttribute(vnode.elm, i, '');\n      }\n      ancestor = ancestor.parent;\n    }\n    // for slot content they should also get the scopeId from the host instance.\n    if (isDef(i = activeInstance) &&\n      i !== vnode.context &&\n      isDef(i = i.$options._scopeId)\n    ) {\n      nodeOps.setAttribute(vnode.elm, i, '');\n    }\n  }\n\n  function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {\n    for (; startIdx <= endIdx; ++startIdx) {\n      createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm);\n    }\n  }\n\n  function invokeDestroyHook (vnode) {\n    var i, j;\n    var data = vnode.data;\n    if (isDef(data)) {\n      if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }\n      for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }\n    }\n    if (isDef(i = vnode.children)) {\n      for (j = 0; j < vnode.children.length; ++j) {\n        invokeDestroyHook(vnode.children[j]);\n      }\n    }\n  }\n\n  function removeVnodes (parentElm, vnodes, startIdx, endIdx) {\n    for (; startIdx <= endIdx; ++startIdx) {\n      var ch = vnodes[startIdx];\n      if (isDef(ch)) {\n        if (isDef(ch.tag)) {\n          removeAndInvokeRemoveHook(ch);\n          invokeDestroyHook(ch);\n        } else { // Text node\n          removeNode(ch.elm);\n        }\n      }\n    }\n  }\n\n  function removeAndInvokeRemoveHook (vnode, rm) {\n    if (isDef(rm) || isDef(vnode.data)) {\n      var i;\n      var listeners = cbs.remove.length + 1;\n      if (isDef(rm)) {\n        // we have a recursively passed down rm callback\n        // increase the listeners count\n        rm.listeners += listeners;\n      } else {\n        // directly removing\n        rm = createRmCb(vnode.elm, listeners);\n      }\n      // recursively invoke hooks on child component root node\n      if (isDef(i = vnode.componentInstance) && isDef(i = i._vnode) && isDef(i.data)) {\n        removeAndInvokeRemoveHook(i, rm);\n      }\n      for (i = 0; i < cbs.remove.length; ++i) {\n        cbs.remove[i](vnode, rm);\n      }\n      if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {\n        i(vnode, rm);\n      } else {\n        rm();\n      }\n    } else {\n      removeNode(vnode.elm);\n    }\n  }\n\n  function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {\n    var oldStartIdx = 0;\n    var newStartIdx = 0;\n    var oldEndIdx = oldCh.length - 1;\n    var oldStartVnode = oldCh[0];\n    var oldEndVnode = oldCh[oldEndIdx];\n    var newEndIdx = newCh.length - 1;\n    var newStartVnode = newCh[0];\n    var newEndVnode = newCh[newEndIdx];\n    var oldKeyToIdx, idxInOld, elmToMove, refElm;\n\n    // removeOnly is a special flag used only by <transition-group>\n    // to ensure removed elements stay in correct relative positions\n    // during leaving transitions\n    var canMove = !removeOnly;\n\n    while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {\n      if (isUndef(oldStartVnode)) {\n        oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left\n      } else if (isUndef(oldEndVnode)) {\n        oldEndVnode = oldCh[--oldEndIdx];\n      } else if (sameVnode(oldStartVnode, newStartVnode)) {\n        patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue);\n        oldStartVnode = oldCh[++oldStartIdx];\n        newStartVnode = newCh[++newStartIdx];\n      } else if (sameVnode(oldEndVnode, newEndVnode)) {\n        patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue);\n        oldEndVnode = oldCh[--oldEndIdx];\n        newEndVnode = newCh[--newEndIdx];\n      } else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right\n        patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue);\n        canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));\n        oldStartVnode = oldCh[++oldStartIdx];\n        newEndVnode = newCh[--newEndIdx];\n      } else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left\n        patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue);\n        canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);\n        oldEndVnode = oldCh[--oldEndIdx];\n        newStartVnode = newCh[++newStartIdx];\n      } else {\n        if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); }\n        idxInOld = isDef(newStartVnode.key)\n          ? oldKeyToIdx[newStartVnode.key]\n          : findIdxInOld(newStartVnode, oldCh, oldStartIdx, oldEndIdx);\n        if (isUndef(idxInOld)) { // New element\n          createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm);\n        } else {\n          elmToMove = oldCh[idxInOld];\n          /* istanbul ignore if */\n          if (process.env.NODE_ENV !== 'production' && !elmToMove) {\n            warn(\n              'It seems there are duplicate keys that is causing an update error. ' +\n              'Make sure each v-for item has a unique key.'\n            );\n          }\n          if (sameVnode(elmToMove, newStartVnode)) {\n            patchVnode(elmToMove, newStartVnode, insertedVnodeQueue);\n            oldCh[idxInOld] = undefined;\n            canMove && nodeOps.insertBefore(parentElm, elmToMove.elm, oldStartVnode.elm);\n          } else {\n            // same key but different element. treat as new element\n            createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm);\n          }\n        }\n        newStartVnode = newCh[++newStartIdx];\n      }\n    }\n    if (oldStartIdx > oldEndIdx) {\n      refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;\n      addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);\n    } else if (newStartIdx > newEndIdx) {\n      removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);\n    }\n  }\n\n  function findIdxInOld (node, oldCh, start, end) {\n    for (var i = start; i < end; i++) {\n      var c = oldCh[i];\n      if (isDef(c) && sameVnode(node, c)) { return i }\n    }\n  }\n\n  function patchVnode (oldVnode, vnode, insertedVnodeQueue, removeOnly) {\n    if (oldVnode === vnode) {\n      return\n    }\n\n    var elm = vnode.elm = oldVnode.elm;\n\n    if (isTrue(oldVnode.isAsyncPlaceholder)) {\n      if (isDef(vnode.asyncFactory.resolved)) {\n        hydrate(oldVnode.elm, vnode, insertedVnodeQueue);\n      } else {\n        vnode.isAsyncPlaceholder = true;\n      }\n      return\n    }\n\n    // reuse element for static trees.\n    // note we only do this if the vnode is cloned -\n    // if the new node is not cloned it means the render functions have been\n    // reset by the hot-reload-api and we need to do a proper re-render.\n    if (isTrue(vnode.isStatic) &&\n      isTrue(oldVnode.isStatic) &&\n      vnode.key === oldVnode.key &&\n      (isTrue(vnode.isCloned) || isTrue(vnode.isOnce))\n    ) {\n      vnode.componentInstance = oldVnode.componentInstance;\n      return\n    }\n\n    var i;\n    var data = vnode.data;\n    if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) {\n      i(oldVnode, vnode);\n    }\n\n    var oldCh = oldVnode.children;\n    var ch = vnode.children;\n    if (isDef(data) && isPatchable(vnode)) {\n      for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }\n      if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }\n    }\n    if (isUndef(vnode.text)) {\n      if (isDef(oldCh) && isDef(ch)) {\n        if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }\n      } else if (isDef(ch)) {\n        if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); }\n        addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);\n      } else if (isDef(oldCh)) {\n        removeVnodes(elm, oldCh, 0, oldCh.length - 1);\n      } else if (isDef(oldVnode.text)) {\n        nodeOps.setTextContent(elm, '');\n      }\n    } else if (oldVnode.text !== vnode.text) {\n      nodeOps.setTextContent(elm, vnode.text);\n    }\n    if (isDef(data)) {\n      if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }\n    }\n  }\n\n  function invokeInsertHook (vnode, queue, initial) {\n    // delay insert hooks for component root nodes, invoke them after the\n    // element is really inserted\n    if (isTrue(initial) && isDef(vnode.parent)) {\n      vnode.parent.data.pendingInsert = queue;\n    } else {\n      for (var i = 0; i < queue.length; ++i) {\n        queue[i].data.hook.insert(queue[i]);\n      }\n    }\n  }\n\n  var bailed = false;\n  // list of modules that can skip create hook during hydration because they\n  // are already rendered on the client or has no need for initialization\n  var isRenderedModule = makeMap('attrs,style,class,staticClass,staticStyle,key');\n\n  // Note: this is a browser-only function so we can assume elms are DOM nodes.\n  function hydrate (elm, vnode, insertedVnodeQueue) {\n    if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) {\n      vnode.elm = elm;\n      vnode.isAsyncPlaceholder = true;\n      return true\n    }\n    if (process.env.NODE_ENV !== 'production') {\n      if (!assertNodeMatch(elm, vnode)) {\n        return false\n      }\n    }\n    vnode.elm = elm;\n    var tag = vnode.tag;\n    var data = vnode.data;\n    var children = vnode.children;\n    if (isDef(data)) {\n      if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); }\n      if (isDef(i = vnode.componentInstance)) {\n        // child component. it should have hydrated its own tree.\n        initComponent(vnode, insertedVnodeQueue);\n        return true\n      }\n    }\n    if (isDef(tag)) {\n      if (isDef(children)) {\n        // empty element, allow client to pick up and populate children\n        if (!elm.hasChildNodes()) {\n          createChildren(vnode, children, insertedVnodeQueue);\n        } else {\n          // v-html and domProps: innerHTML\n          if (isDef(i = data) && isDef(i = i.domProps) && isDef(i = i.innerHTML)) {\n            if (i !== elm.innerHTML) {\n              /* istanbul ignore if */\n              if (process.env.NODE_ENV !== 'production' &&\n                typeof console !== 'undefined' &&\n                !bailed\n              ) {\n                bailed = true;\n                console.warn('Parent: ', elm);\n                console.warn('server innerHTML: ', i);\n                console.warn('client innerHTML: ', elm.innerHTML);\n              }\n              return false\n            }\n          } else {\n            // iterate and compare children lists\n            var childrenMatch = true;\n            var childNode = elm.firstChild;\n            for (var i$1 = 0; i$1 < children.length; i$1++) {\n              if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue)) {\n                childrenMatch = false;\n                break\n              }\n              childNode = childNode.nextSibling;\n            }\n            // if childNode is not null, it means the actual childNodes list is\n            // longer than the virtual children list.\n            if (!childrenMatch || childNode) {\n              /* istanbul ignore if */\n              if (process.env.NODE_ENV !== 'production' &&\n                typeof console !== 'undefined' &&\n                !bailed\n              ) {\n                bailed = true;\n                console.warn('Parent: ', elm);\n                console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);\n              }\n              return false\n            }\n          }\n        }\n      }\n      if (isDef(data)) {\n        for (var key in data) {\n          if (!isRenderedModule(key)) {\n            invokeCreateHooks(vnode, insertedVnodeQueue);\n            break\n          }\n        }\n      }\n    } else if (elm.data !== vnode.text) {\n      elm.data = vnode.text;\n    }\n    return true\n  }\n\n  function assertNodeMatch (node, vnode) {\n    if (isDef(vnode.tag)) {\n      return (\n        vnode.tag.indexOf('vue-component') === 0 ||\n        vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())\n      )\n    } else {\n      return node.nodeType === (vnode.isComment ? 8 : 3)\n    }\n  }\n\n  return function patch (oldVnode, vnode, hydrating, removeOnly, parentElm, refElm) {\n    if (isUndef(vnode)) {\n      if (isDef(oldVnode)) { invokeDestroyHook(oldVnode); }\n      return\n    }\n\n    var isInitialPatch = false;\n    var insertedVnodeQueue = [];\n\n    if (isUndef(oldVnode)) {\n      // empty mount (likely as component), create new root element\n      isInitialPatch = true;\n      createElm(vnode, insertedVnodeQueue, parentElm, refElm);\n    } else {\n      var isRealElement = isDef(oldVnode.nodeType);\n      if (!isRealElement && sameVnode(oldVnode, vnode)) {\n        // patch existing root node\n        patchVnode(oldVnode, vnode, insertedVnodeQueue, removeOnly);\n      } else {\n        if (isRealElement) {\n          // mounting to a real element\n          // check if this is server-rendered content and if we can perform\n          // a successful hydration.\n          if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) {\n            oldVnode.removeAttribute(SSR_ATTR);\n            hydrating = true;\n          }\n          if (isTrue(hydrating)) {\n            if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {\n              invokeInsertHook(vnode, insertedVnodeQueue, true);\n              return oldVnode\n            } else if (process.env.NODE_ENV !== 'production') {\n              warn(\n                'The client-side rendered virtual DOM tree is not matching ' +\n                'server-rendered content. This is likely caused by incorrect ' +\n                'HTML markup, for example nesting block-level elements inside ' +\n                '<p>, or missing <tbody>. Bailing hydration and performing ' +\n                'full client-side render.'\n              );\n            }\n          }\n          // either not server-rendered, or hydration failed.\n          // create an empty node and replace it\n          oldVnode = emptyNodeAt(oldVnode);\n        }\n        // replacing existing element\n        var oldElm = oldVnode.elm;\n        var parentElm$1 = nodeOps.parentNode(oldElm);\n        createElm(\n          vnode,\n          insertedVnodeQueue,\n          // extremely rare edge case: do not insert if old element is in a\n          // leaving transition. Only happens when combining transition +\n          // keep-alive + HOCs. (#4590)\n          oldElm._leaveCb ? null : parentElm$1,\n          nodeOps.nextSibling(oldElm)\n        );\n\n        if (isDef(vnode.parent)) {\n          // component root element replaced.\n          // update parent placeholder node element, recursively\n          var ancestor = vnode.parent;\n          var patchable = isPatchable(vnode);\n          while (ancestor) {\n            for (var i = 0; i < cbs.destroy.length; ++i) {\n              cbs.destroy[i](ancestor);\n            }\n            ancestor.elm = vnode.elm;\n            if (patchable) {\n              for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {\n                cbs.create[i$1](emptyNode, ancestor);\n              }\n              // #6513\n              // invoke insert hooks that may have been merged by create hooks.\n              // e.g. for directives that uses the \"inserted\" hook.\n              var insert = ancestor.data.hook.insert;\n              if (insert.merged) {\n                // start at index 1 to avoid re-invoking component mounted hook\n                for (var i$2 = 1; i$2 < insert.fns.length; i$2++) {\n                  insert.fns[i$2]();\n                }\n              }\n            }\n            ancestor = ancestor.parent;\n          }\n        }\n\n        if (isDef(parentElm$1)) {\n          removeVnodes(parentElm$1, [oldVnode], 0, 0);\n        } else if (isDef(oldVnode.tag)) {\n          invokeDestroyHook(oldVnode);\n        }\n      }\n    }\n\n    invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);\n    return vnode.elm\n  }\n}\n\n/*  */\n\nvar directives = {\n  create: updateDirectives,\n  update: updateDirectives,\n  destroy: function unbindDirectives (vnode) {\n    updateDirectives(vnode, emptyNode);\n  }\n};\n\nfunction updateDirectives (oldVnode, vnode) {\n  if (oldVnode.data.directives || vnode.data.directives) {\n    _update(oldVnode, vnode);\n  }\n}\n\nfunction _update (oldVnode, vnode) {\n  var isCreate = oldVnode === emptyNode;\n  var isDestroy = vnode === emptyNode;\n  var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);\n  var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);\n\n  var dirsWithInsert = [];\n  var dirsWithPostpatch = [];\n\n  var key, oldDir, dir;\n  for (key in newDirs) {\n    oldDir = oldDirs[key];\n    dir = newDirs[key];\n    if (!oldDir) {\n      // new directive, bind\n      callHook$1(dir, 'bind', vnode, oldVnode);\n      if (dir.def && dir.def.inserted) {\n        dirsWithInsert.push(dir);\n      }\n    } else {\n      // existing directive, update\n      dir.oldValue = oldDir.value;\n      callHook$1(dir, 'update', vnode, oldVnode);\n      if (dir.def && dir.def.componentUpdated) {\n        dirsWithPostpatch.push(dir);\n      }\n    }\n  }\n\n  if (dirsWithInsert.length) {\n    var callInsert = function () {\n      for (var i = 0; i < dirsWithInsert.length; i++) {\n        callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);\n      }\n    };\n    if (isCreate) {\n      mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', callInsert);\n    } else {\n      callInsert();\n    }\n  }\n\n  if (dirsWithPostpatch.length) {\n    mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'postpatch', function () {\n      for (var i = 0; i < dirsWithPostpatch.length; i++) {\n        callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);\n      }\n    });\n  }\n\n  if (!isCreate) {\n    for (key in oldDirs) {\n      if (!newDirs[key]) {\n        // no longer present, unbind\n        callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);\n      }\n    }\n  }\n}\n\nvar emptyModifiers = Object.create(null);\n\nfunction normalizeDirectives$1 (\n  dirs,\n  vm\n) {\n  var res = Object.create(null);\n  if (!dirs) {\n    return res\n  }\n  var i, dir;\n  for (i = 0; i < dirs.length; i++) {\n    dir = dirs[i];\n    if (!dir.modifiers) {\n      dir.modifiers = emptyModifiers;\n    }\n    res[getRawDirName(dir)] = dir;\n    dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);\n  }\n  return res\n}\n\nfunction getRawDirName (dir) {\n  return dir.rawName || ((dir.name) + \".\" + (Object.keys(dir.modifiers || {}).join('.')))\n}\n\nfunction callHook$1 (dir, hook, vnode, oldVnode, isDestroy) {\n  var fn = dir.def && dir.def[hook];\n  if (fn) {\n    try {\n      fn(vnode.elm, dir, vnode, oldVnode, isDestroy);\n    } catch (e) {\n      handleError(e, vnode.context, (\"directive \" + (dir.name) + \" \" + hook + \" hook\"));\n    }\n  }\n}\n\nvar baseModules = [\n  ref,\n  directives\n];\n\n/*  */\n\nfunction updateAttrs (oldVnode, vnode) {\n  var opts = vnode.componentOptions;\n  if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) {\n    return\n  }\n  if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) {\n    return\n  }\n  var key, cur, old;\n  var elm = vnode.elm;\n  var oldAttrs = oldVnode.data.attrs || {};\n  var attrs = vnode.data.attrs || {};\n  // clone observed objects, as the user probably wants to mutate it\n  if (isDef(attrs.__ob__)) {\n    attrs = vnode.data.attrs = extend({}, attrs);\n  }\n\n  for (key in attrs) {\n    cur = attrs[key];\n    old = oldAttrs[key];\n    if (old !== cur) {\n      setAttr(elm, key, cur);\n    }\n  }\n  // #4391: in IE9, setting type can reset value for input[type=radio]\n  /* istanbul ignore if */\n  if (isIE9 && attrs.value !== oldAttrs.value) {\n    setAttr(elm, 'value', attrs.value);\n  }\n  for (key in oldAttrs) {\n    if (isUndef(attrs[key])) {\n      if (isXlink(key)) {\n        elm.removeAttributeNS(xlinkNS, getXlinkProp(key));\n      } else if (!isEnumeratedAttr(key)) {\n        elm.removeAttribute(key);\n      }\n    }\n  }\n}\n\nfunction setAttr (el, key, value) {\n  if (isBooleanAttr(key)) {\n    // set attribute for blank value\n    // e.g. <option disabled>Select one</option>\n    if (isFalsyAttrValue(value)) {\n      el.removeAttribute(key);\n    } else {\n      // technically allowfullscreen is a boolean attribute for <iframe>,\n      // but Flash expects a value of \"true\" when used on <embed> tag\n      value = key === 'allowfullscreen' && el.tagName === 'EMBED'\n        ? 'true'\n        : key;\n      el.setAttribute(key, value);\n    }\n  } else if (isEnumeratedAttr(key)) {\n    el.setAttribute(key, isFalsyAttrValue(value) || value === 'false' ? 'false' : 'true');\n  } else if (isXlink(key)) {\n    if (isFalsyAttrValue(value)) {\n      el.removeAttributeNS(xlinkNS, getXlinkProp(key));\n    } else {\n      el.setAttributeNS(xlinkNS, key, value);\n    }\n  } else {\n    if (isFalsyAttrValue(value)) {\n      el.removeAttribute(key);\n    } else {\n      el.setAttribute(key, value);\n    }\n  }\n}\n\nvar attrs = {\n  create: updateAttrs,\n  update: updateAttrs\n};\n\n/*  */\n\nfunction updateClass (oldVnode, vnode) {\n  var el = vnode.elm;\n  var data = vnode.data;\n  var oldData = oldVnode.data;\n  if (\n    isUndef(data.staticClass) &&\n    isUndef(data.class) && (\n      isUndef(oldData) || (\n        isUndef(oldData.staticClass) &&\n        isUndef(oldData.class)\n      )\n    )\n  ) {\n    return\n  }\n\n  var cls = genClassForVnode(vnode);\n\n  // handle transition classes\n  var transitionClass = el._transitionClasses;\n  if (isDef(transitionClass)) {\n    cls = concat(cls, stringifyClass(transitionClass));\n  }\n\n  // set the class\n  if (cls !== el._prevClass) {\n    el.setAttribute('class', cls);\n    el._prevClass = cls;\n  }\n}\n\nvar klass = {\n  create: updateClass,\n  update: updateClass\n};\n\n/*  */\n\nvar validDivisionCharRE = /[\\w).+\\-_$\\]]/;\n\n\n\nfunction wrapFilter (exp, filter) {\n  var i = filter.indexOf('(');\n  if (i < 0) {\n    // _f: resolveFilter\n    return (\"_f(\\\"\" + filter + \"\\\")(\" + exp + \")\")\n  } else {\n    var name = filter.slice(0, i);\n    var args = filter.slice(i + 1);\n    return (\"_f(\\\"\" + name + \"\\\")(\" + exp + \",\" + args)\n  }\n}\n\n/*  */\n\n/*  */\n\n/**\n * Cross-platform code generation for component v-model\n */\n\n\n/**\n * Cross-platform codegen helper for generating v-model value assignment code.\n */\n\n\n/**\n * parse directive model to do the array update transform. a[idx] = val => $$a.splice($$idx, 1, val)\n *\n * for loop possible cases:\n *\n * - test\n * - test[idx]\n * - test[test1[idx]]\n * - test[\"a\"][idx]\n * - xxx.test[a[a].test1[idx]]\n * - test.xxx.a[\"asa\"][test1[idx]]\n *\n */\n\nvar str;\nvar index$1;\n\n/*  */\n\n// in some cases, the event used has to be determined at runtime\n// so we used some reserved tokens during compile.\nvar RANGE_TOKEN = '__r';\nvar CHECKBOX_RADIO_TOKEN = '__c';\n\n/*  */\n\n// normalize v-model event tokens that can only be determined at runtime.\n// it's important to place the event as the first in the array because\n// the whole point is ensuring the v-model callback gets called before\n// user-attached handlers.\nfunction normalizeEvents (on) {\n  var event;\n  /* istanbul ignore if */\n  if (isDef(on[RANGE_TOKEN])) {\n    // IE input[type=range] only supports `change` event\n    event = isIE ? 'change' : 'input';\n    on[event] = [].concat(on[RANGE_TOKEN], on[event] || []);\n    delete on[RANGE_TOKEN];\n  }\n  if (isDef(on[CHECKBOX_RADIO_TOKEN])) {\n    // Chrome fires microtasks in between click/change, leads to #4521\n    event = isChrome ? 'click' : 'change';\n    on[event] = [].concat(on[CHECKBOX_RADIO_TOKEN], on[event] || []);\n    delete on[CHECKBOX_RADIO_TOKEN];\n  }\n}\n\nvar target$1;\n\nfunction add$1 (\n  event,\n  handler,\n  once$$1,\n  capture,\n  passive\n) {\n  if (once$$1) {\n    var oldHandler = handler;\n    var _target = target$1; // save current target element in closure\n    handler = function (ev) {\n      var res = arguments.length === 1\n        ? oldHandler(ev)\n        : oldHandler.apply(null, arguments);\n      if (res !== null) {\n        remove$2(event, handler, capture, _target);\n      }\n    };\n  }\n  target$1.addEventListener(\n    event,\n    handler,\n    supportsPassive\n      ? { capture: capture, passive: passive }\n      : capture\n  );\n}\n\nfunction remove$2 (\n  event,\n  handler,\n  capture,\n  _target\n) {\n  (_target || target$1).removeEventListener(event, handler, capture);\n}\n\nfunction updateDOMListeners (oldVnode, vnode) {\n  if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) {\n    return\n  }\n  var on = vnode.data.on || {};\n  var oldOn = oldVnode.data.on || {};\n  target$1 = vnode.elm;\n  normalizeEvents(on);\n  updateListeners(on, oldOn, add$1, remove$2, vnode.context);\n}\n\nvar events = {\n  create: updateDOMListeners,\n  update: updateDOMListeners\n};\n\n/*  */\n\nfunction updateDOMProps (oldVnode, vnode) {\n  if (isUndef(oldVnode.data.domProps) && isUndef(vnode.data.domProps)) {\n    return\n  }\n  var key, cur;\n  var elm = vnode.elm;\n  var oldProps = oldVnode.data.domProps || {};\n  var props = vnode.data.domProps || {};\n  // clone observed objects, as the user probably wants to mutate it\n  if (isDef(props.__ob__)) {\n    props = vnode.data.domProps = extend({}, props);\n  }\n\n  for (key in oldProps) {\n    if (isUndef(props[key])) {\n      elm[key] = '';\n    }\n  }\n  for (key in props) {\n    cur = props[key];\n    // ignore children if the node has textContent or innerHTML,\n    // as these will throw away existing DOM nodes and cause removal errors\n    // on subsequent patches (#3360)\n    if (key === 'textContent' || key === 'innerHTML') {\n      if (vnode.children) { vnode.children.length = 0; }\n      if (cur === oldProps[key]) { continue }\n    }\n\n    if (key === 'value') {\n      // store value as _value as well since\n      // non-string values will be stringified\n      elm._value = cur;\n      // avoid resetting cursor position when value is the same\n      var strCur = isUndef(cur) ? '' : String(cur);\n      if (shouldUpdateValue(elm, vnode, strCur)) {\n        elm.value = strCur;\n      }\n    } else {\n      elm[key] = cur;\n    }\n  }\n}\n\n// check platforms/web/util/attrs.js acceptValue\n\n\nfunction shouldUpdateValue (\n  elm,\n  vnode,\n  checkVal\n) {\n  return (!elm.composing && (\n    vnode.tag === 'option' ||\n    isDirty(elm, checkVal) ||\n    isInputChanged(elm, checkVal)\n  ))\n}\n\nfunction isDirty (elm, checkVal) {\n  // return true when textbox (.number and .trim) loses focus and its value is\n  // not equal to the updated value\n  var notInFocus = true;\n  // #6157\n  // work around IE bug when accessing document.activeElement in an iframe\n  try { notInFocus = document.activeElement !== elm; } catch (e) {}\n  return notInFocus && elm.value !== checkVal\n}\n\nfunction isInputChanged (elm, newVal) {\n  var value = elm.value;\n  var modifiers = elm._vModifiers; // injected by v-model runtime\n  if (isDef(modifiers) && modifiers.number) {\n    return toNumber(value) !== toNumber(newVal)\n  }\n  if (isDef(modifiers) && modifiers.trim) {\n    return value.trim() !== newVal.trim()\n  }\n  return value !== newVal\n}\n\nvar domProps = {\n  create: updateDOMProps,\n  update: updateDOMProps\n};\n\n/*  */\n\nvar parseStyleText = cached(function (cssText) {\n  var res = {};\n  var listDelimiter = /;(?![^(]*\\))/g;\n  var propertyDelimiter = /:(.+)/;\n  cssText.split(listDelimiter).forEach(function (item) {\n    if (item) {\n      var tmp = item.split(propertyDelimiter);\n      tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());\n    }\n  });\n  return res\n});\n\n// merge static and dynamic style data on the same vnode\nfunction normalizeStyleData (data) {\n  var style = normalizeStyleBinding(data.style);\n  // static style is pre-processed into an object during compilation\n  // and is always a fresh object, so it's safe to merge into it\n  return data.staticStyle\n    ? extend(data.staticStyle, style)\n    : style\n}\n\n// normalize possible array / string values into Object\nfunction normalizeStyleBinding (bindingStyle) {\n  if (Array.isArray(bindingStyle)) {\n    return toObject(bindingStyle)\n  }\n  if (typeof bindingStyle === 'string') {\n    return parseStyleText(bindingStyle)\n  }\n  return bindingStyle\n}\n\n/**\n * parent component style should be after child's\n * so that parent component's style could override it\n */\nfunction getStyle (vnode, checkChild) {\n  var res = {};\n  var styleData;\n\n  if (checkChild) {\n    var childNode = vnode;\n    while (childNode.componentInstance) {\n      childNode = childNode.componentInstance._vnode;\n      if (childNode.data && (styleData = normalizeStyleData(childNode.data))) {\n        extend(res, styleData);\n      }\n    }\n  }\n\n  if ((styleData = normalizeStyleData(vnode.data))) {\n    extend(res, styleData);\n  }\n\n  var parentNode = vnode;\n  while ((parentNode = parentNode.parent)) {\n    if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {\n      extend(res, styleData);\n    }\n  }\n  return res\n}\n\n/*  */\n\nvar cssVarRE = /^--/;\nvar importantRE = /\\s*!important$/;\nvar setProp = function (el, name, val) {\n  /* istanbul ignore if */\n  if (cssVarRE.test(name)) {\n    el.style.setProperty(name, val);\n  } else if (importantRE.test(val)) {\n    el.style.setProperty(name, val.replace(importantRE, ''), 'important');\n  } else {\n    var normalizedName = normalize(name);\n    if (Array.isArray(val)) {\n      // Support values array created by autoprefixer, e.g.\n      // {display: [\"-webkit-box\", \"-ms-flexbox\", \"flex\"]}\n      // Set them one by one, and the browser will only set those it can recognize\n      for (var i = 0, len = val.length; i < len; i++) {\n        el.style[normalizedName] = val[i];\n      }\n    } else {\n      el.style[normalizedName] = val;\n    }\n  }\n};\n\nvar vendorNames = ['Webkit', 'Moz', 'ms'];\n\nvar emptyStyle;\nvar normalize = cached(function (prop) {\n  emptyStyle = emptyStyle || document.createElement('div').style;\n  prop = camelize(prop);\n  if (prop !== 'filter' && (prop in emptyStyle)) {\n    return prop\n  }\n  var capName = prop.charAt(0).toUpperCase() + prop.slice(1);\n  for (var i = 0; i < vendorNames.length; i++) {\n    var name = vendorNames[i] + capName;\n    if (name in emptyStyle) {\n      return name\n    }\n  }\n});\n\nfunction updateStyle (oldVnode, vnode) {\n  var data = vnode.data;\n  var oldData = oldVnode.data;\n\n  if (isUndef(data.staticStyle) && isUndef(data.style) &&\n    isUndef(oldData.staticStyle) && isUndef(oldData.style)\n  ) {\n    return\n  }\n\n  var cur, name;\n  var el = vnode.elm;\n  var oldStaticStyle = oldData.staticStyle;\n  var oldStyleBinding = oldData.normalizedStyle || oldData.style || {};\n\n  // if static style exists, stylebinding already merged into it when doing normalizeStyleData\n  var oldStyle = oldStaticStyle || oldStyleBinding;\n\n  var style = normalizeStyleBinding(vnode.data.style) || {};\n\n  // store normalized style under a different key for next diff\n  // make sure to clone it if it's reactive, since the user likely wants\n  // to mutate it.\n  vnode.data.normalizedStyle = isDef(style.__ob__)\n    ? extend({}, style)\n    : style;\n\n  var newStyle = getStyle(vnode, true);\n\n  for (name in oldStyle) {\n    if (isUndef(newStyle[name])) {\n      setProp(el, name, '');\n    }\n  }\n  for (name in newStyle) {\n    cur = newStyle[name];\n    if (cur !== oldStyle[name]) {\n      // ie9 setting to null has no effect, must use empty string\n      setProp(el, name, cur == null ? '' : cur);\n    }\n  }\n}\n\nvar style = {\n  create: updateStyle,\n  update: updateStyle\n};\n\n/*  */\n\n/**\n * Add class with compatibility for SVG since classList is not supported on\n * SVG elements in IE\n */\nfunction addClass (el, cls) {\n  /* istanbul ignore if */\n  if (!cls || !(cls = cls.trim())) {\n    return\n  }\n\n  /* istanbul ignore else */\n  if (el.classList) {\n    if (cls.indexOf(' ') > -1) {\n      cls.split(/\\s+/).forEach(function (c) { return el.classList.add(c); });\n    } else {\n      el.classList.add(cls);\n    }\n  } else {\n    var cur = \" \" + (el.getAttribute('class') || '') + \" \";\n    if (cur.indexOf(' ' + cls + ' ') < 0) {\n      el.setAttribute('class', (cur + cls).trim());\n    }\n  }\n}\n\n/**\n * Remove class with compatibility for SVG since classList is not supported on\n * SVG elements in IE\n */\nfunction removeClass (el, cls) {\n  /* istanbul ignore if */\n  if (!cls || !(cls = cls.trim())) {\n    return\n  }\n\n  /* istanbul ignore else */\n  if (el.classList) {\n    if (cls.indexOf(' ') > -1) {\n      cls.split(/\\s+/).forEach(function (c) { return el.classList.remove(c); });\n    } else {\n      el.classList.remove(cls);\n    }\n    if (!el.classList.length) {\n      el.removeAttribute('class');\n    }\n  } else {\n    var cur = \" \" + (el.getAttribute('class') || '') + \" \";\n    var tar = ' ' + cls + ' ';\n    while (cur.indexOf(tar) >= 0) {\n      cur = cur.replace(tar, ' ');\n    }\n    cur = cur.trim();\n    if (cur) {\n      el.setAttribute('class', cur);\n    } else {\n      el.removeAttribute('class');\n    }\n  }\n}\n\n/*  */\n\nfunction resolveTransition (def$$1) {\n  if (!def$$1) {\n    return\n  }\n  /* istanbul ignore else */\n  if (typeof def$$1 === 'object') {\n    var res = {};\n    if (def$$1.css !== false) {\n      extend(res, autoCssTransition(def$$1.name || 'v'));\n    }\n    extend(res, def$$1);\n    return res\n  } else if (typeof def$$1 === 'string') {\n    return autoCssTransition(def$$1)\n  }\n}\n\nvar autoCssTransition = cached(function (name) {\n  return {\n    enterClass: (name + \"-enter\"),\n    enterToClass: (name + \"-enter-to\"),\n    enterActiveClass: (name + \"-enter-active\"),\n    leaveClass: (name + \"-leave\"),\n    leaveToClass: (name + \"-leave-to\"),\n    leaveActiveClass: (name + \"-leave-active\")\n  }\n});\n\nvar hasTransition = inBrowser && !isIE9;\nvar TRANSITION = 'transition';\nvar ANIMATION = 'animation';\n\n// Transition property/event sniffing\nvar transitionProp = 'transition';\nvar transitionEndEvent = 'transitionend';\nvar animationProp = 'animation';\nvar animationEndEvent = 'animationend';\nif (hasTransition) {\n  /* istanbul ignore if */\n  if (window.ontransitionend === undefined &&\n    window.onwebkittransitionend !== undefined\n  ) {\n    transitionProp = 'WebkitTransition';\n    transitionEndEvent = 'webkitTransitionEnd';\n  }\n  if (window.onanimationend === undefined &&\n    window.onwebkitanimationend !== undefined\n  ) {\n    animationProp = 'WebkitAnimation';\n    animationEndEvent = 'webkitAnimationEnd';\n  }\n}\n\n// binding to window is necessary to make hot reload work in IE in strict mode\nvar raf = inBrowser && window.requestAnimationFrame\n  ? window.requestAnimationFrame.bind(window)\n  : setTimeout;\n\nfunction nextFrame (fn) {\n  raf(function () {\n    raf(fn);\n  });\n}\n\nfunction addTransitionClass (el, cls) {\n  var transitionClasses = el._transitionClasses || (el._transitionClasses = []);\n  if (transitionClasses.indexOf(cls) < 0) {\n    transitionClasses.push(cls);\n    addClass(el, cls);\n  }\n}\n\nfunction removeTransitionClass (el, cls) {\n  if (el._transitionClasses) {\n    remove(el._transitionClasses, cls);\n  }\n  removeClass(el, cls);\n}\n\nfunction whenTransitionEnds (\n  el,\n  expectedType,\n  cb\n) {\n  var ref = getTransitionInfo(el, expectedType);\n  var type = ref.type;\n  var timeout = ref.timeout;\n  var propCount = ref.propCount;\n  if (!type) { return cb() }\n  var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;\n  var ended = 0;\n  var end = function () {\n    el.removeEventListener(event, onEnd);\n    cb();\n  };\n  var onEnd = function (e) {\n    if (e.target === el) {\n      if (++ended >= propCount) {\n        end();\n      }\n    }\n  };\n  setTimeout(function () {\n    if (ended < propCount) {\n      end();\n    }\n  }, timeout + 1);\n  el.addEventListener(event, onEnd);\n}\n\nvar transformRE = /\\b(transform|all)(,|$)/;\n\nfunction getTransitionInfo (el, expectedType) {\n  var styles = window.getComputedStyle(el);\n  var transitionDelays = styles[transitionProp + 'Delay'].split(', ');\n  var transitionDurations = styles[transitionProp + 'Duration'].split(', ');\n  var transitionTimeout = getTimeout(transitionDelays, transitionDurations);\n  var animationDelays = styles[animationProp + 'Delay'].split(', ');\n  var animationDurations = styles[animationProp + 'Duration'].split(', ');\n  var animationTimeout = getTimeout(animationDelays, animationDurations);\n\n  var type;\n  var timeout = 0;\n  var propCount = 0;\n  /* istanbul ignore if */\n  if (expectedType === TRANSITION) {\n    if (transitionTimeout > 0) {\n      type = TRANSITION;\n      timeout = transitionTimeout;\n      propCount = transitionDurations.length;\n    }\n  } else if (expectedType === ANIMATION) {\n    if (animationTimeout > 0) {\n      type = ANIMATION;\n      timeout = animationTimeout;\n      propCount = animationDurations.length;\n    }\n  } else {\n    timeout = Math.max(transitionTimeout, animationTimeout);\n    type = timeout > 0\n      ? transitionTimeout > animationTimeout\n        ? TRANSITION\n        : ANIMATION\n      : null;\n    propCount = type\n      ? type === TRANSITION\n        ? transitionDurations.length\n        : animationDurations.length\n      : 0;\n  }\n  var hasTransform =\n    type === TRANSITION &&\n    transformRE.test(styles[transitionProp + 'Property']);\n  return {\n    type: type,\n    timeout: timeout,\n    propCount: propCount,\n    hasTransform: hasTransform\n  }\n}\n\nfunction getTimeout (delays, durations) {\n  /* istanbul ignore next */\n  while (delays.length < durations.length) {\n    delays = delays.concat(delays);\n  }\n\n  return Math.max.apply(null, durations.map(function (d, i) {\n    return toMs(d) + toMs(delays[i])\n  }))\n}\n\nfunction toMs (s) {\n  return Number(s.slice(0, -1)) * 1000\n}\n\n/*  */\n\nfunction enter (vnode, toggleDisplay) {\n  var el = vnode.elm;\n\n  // call leave callback now\n  if (isDef(el._leaveCb)) {\n    el._leaveCb.cancelled = true;\n    el._leaveCb();\n  }\n\n  var data = resolveTransition(vnode.data.transition);\n  if (isUndef(data)) {\n    return\n  }\n\n  /* istanbul ignore if */\n  if (isDef(el._enterCb) || el.nodeType !== 1) {\n    return\n  }\n\n  var css = data.css;\n  var type = data.type;\n  var enterClass = data.enterClass;\n  var enterToClass = data.enterToClass;\n  var enterActiveClass = data.enterActiveClass;\n  var appearClass = data.appearClass;\n  var appearToClass = data.appearToClass;\n  var appearActiveClass = data.appearActiveClass;\n  var beforeEnter = data.beforeEnter;\n  var enter = data.enter;\n  var afterEnter = data.afterEnter;\n  var enterCancelled = data.enterCancelled;\n  var beforeAppear = data.beforeAppear;\n  var appear = data.appear;\n  var afterAppear = data.afterAppear;\n  var appearCancelled = data.appearCancelled;\n  var duration = data.duration;\n\n  // activeInstance will always be the <transition> component managing this\n  // transition. One edge case to check is when the <transition> is placed\n  // as the root node of a child component. In that case we need to check\n  // <transition>'s parent for appear check.\n  var context = activeInstance;\n  var transitionNode = activeInstance.$vnode;\n  while (transitionNode && transitionNode.parent) {\n    transitionNode = transitionNode.parent;\n    context = transitionNode.context;\n  }\n\n  var isAppear = !context._isMounted || !vnode.isRootInsert;\n\n  if (isAppear && !appear && appear !== '') {\n    return\n  }\n\n  var startClass = isAppear && appearClass\n    ? appearClass\n    : enterClass;\n  var activeClass = isAppear && appearActiveClass\n    ? appearActiveClass\n    : enterActiveClass;\n  var toClass = isAppear && appearToClass\n    ? appearToClass\n    : enterToClass;\n\n  var beforeEnterHook = isAppear\n    ? (beforeAppear || beforeEnter)\n    : beforeEnter;\n  var enterHook = isAppear\n    ? (typeof appear === 'function' ? appear : enter)\n    : enter;\n  var afterEnterHook = isAppear\n    ? (afterAppear || afterEnter)\n    : afterEnter;\n  var enterCancelledHook = isAppear\n    ? (appearCancelled || enterCancelled)\n    : enterCancelled;\n\n  var explicitEnterDuration = toNumber(\n    isObject(duration)\n      ? duration.enter\n      : duration\n  );\n\n  if (process.env.NODE_ENV !== 'production' && explicitEnterDuration != null) {\n    checkDuration(explicitEnterDuration, 'enter', vnode);\n  }\n\n  var expectsCSS = css !== false && !isIE9;\n  var userWantsControl = getHookArgumentsLength(enterHook);\n\n  var cb = el._enterCb = once(function () {\n    if (expectsCSS) {\n      removeTransitionClass(el, toClass);\n      removeTransitionClass(el, activeClass);\n    }\n    if (cb.cancelled) {\n      if (expectsCSS) {\n        removeTransitionClass(el, startClass);\n      }\n      enterCancelledHook && enterCancelledHook(el);\n    } else {\n      afterEnterHook && afterEnterHook(el);\n    }\n    el._enterCb = null;\n  });\n\n  if (!vnode.data.show) {\n    // remove pending leave element on enter by injecting an insert hook\n    mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', function () {\n      var parent = el.parentNode;\n      var pendingNode = parent && parent._pending && parent._pending[vnode.key];\n      if (pendingNode &&\n        pendingNode.tag === vnode.tag &&\n        pendingNode.elm._leaveCb\n      ) {\n        pendingNode.elm._leaveCb();\n      }\n      enterHook && enterHook(el, cb);\n    });\n  }\n\n  // start enter transition\n  beforeEnterHook && beforeEnterHook(el);\n  if (expectsCSS) {\n    addTransitionClass(el, startClass);\n    addTransitionClass(el, activeClass);\n    nextFrame(function () {\n      addTransitionClass(el, toClass);\n      removeTransitionClass(el, startClass);\n      if (!cb.cancelled && !userWantsControl) {\n        if (isValidDuration(explicitEnterDuration)) {\n          setTimeout(cb, explicitEnterDuration);\n        } else {\n          whenTransitionEnds(el, type, cb);\n        }\n      }\n    });\n  }\n\n  if (vnode.data.show) {\n    toggleDisplay && toggleDisplay();\n    enterHook && enterHook(el, cb);\n  }\n\n  if (!expectsCSS && !userWantsControl) {\n    cb();\n  }\n}\n\nfunction leave (vnode, rm) {\n  var el = vnode.elm;\n\n  // call enter callback now\n  if (isDef(el._enterCb)) {\n    el._enterCb.cancelled = true;\n    el._enterCb();\n  }\n\n  var data = resolveTransition(vnode.data.transition);\n  if (isUndef(data)) {\n    return rm()\n  }\n\n  /* istanbul ignore if */\n  if (isDef(el._leaveCb) || el.nodeType !== 1) {\n    return\n  }\n\n  var css = data.css;\n  var type = data.type;\n  var leaveClass = data.leaveClass;\n  var leaveToClass = data.leaveToClass;\n  var leaveActiveClass = data.leaveActiveClass;\n  var beforeLeave = data.beforeLeave;\n  var leave = data.leave;\n  var afterLeave = data.afterLeave;\n  var leaveCancelled = data.leaveCancelled;\n  var delayLeave = data.delayLeave;\n  var duration = data.duration;\n\n  var expectsCSS = css !== false && !isIE9;\n  var userWantsControl = getHookArgumentsLength(leave);\n\n  var explicitLeaveDuration = toNumber(\n    isObject(duration)\n      ? duration.leave\n      : duration\n  );\n\n  if (process.env.NODE_ENV !== 'production' && isDef(explicitLeaveDuration)) {\n    checkDuration(explicitLeaveDuration, 'leave', vnode);\n  }\n\n  var cb = el._leaveCb = once(function () {\n    if (el.parentNode && el.parentNode._pending) {\n      el.parentNode._pending[vnode.key] = null;\n    }\n    if (expectsCSS) {\n      removeTransitionClass(el, leaveToClass);\n      removeTransitionClass(el, leaveActiveClass);\n    }\n    if (cb.cancelled) {\n      if (expectsCSS) {\n        removeTransitionClass(el, leaveClass);\n      }\n      leaveCancelled && leaveCancelled(el);\n    } else {\n      rm();\n      afterLeave && afterLeave(el);\n    }\n    el._leaveCb = null;\n  });\n\n  if (delayLeave) {\n    delayLeave(performLeave);\n  } else {\n    performLeave();\n  }\n\n  function performLeave () {\n    // the delayed leave may have already been cancelled\n    if (cb.cancelled) {\n      return\n    }\n    // record leaving element\n    if (!vnode.data.show) {\n      (el.parentNode._pending || (el.parentNode._pending = {}))[(vnode.key)] = vnode;\n    }\n    beforeLeave && beforeLeave(el);\n    if (expectsCSS) {\n      addTransitionClass(el, leaveClass);\n      addTransitionClass(el, leaveActiveClass);\n      nextFrame(function () {\n        addTransitionClass(el, leaveToClass);\n        removeTransitionClass(el, leaveClass);\n        if (!cb.cancelled && !userWantsControl) {\n          if (isValidDuration(explicitLeaveDuration)) {\n            setTimeout(cb, explicitLeaveDuration);\n          } else {\n            whenTransitionEnds(el, type, cb);\n          }\n        }\n      });\n    }\n    leave && leave(el, cb);\n    if (!expectsCSS && !userWantsControl) {\n      cb();\n    }\n  }\n}\n\n// only used in dev mode\nfunction checkDuration (val, name, vnode) {\n  if (typeof val !== 'number') {\n    warn(\n      \"<transition> explicit \" + name + \" duration is not a valid number - \" +\n      \"got \" + (JSON.stringify(val)) + \".\",\n      vnode.context\n    );\n  } else if (isNaN(val)) {\n    warn(\n      \"<transition> explicit \" + name + \" duration is NaN - \" +\n      'the duration expression might be incorrect.',\n      vnode.context\n    );\n  }\n}\n\nfunction isValidDuration (val) {\n  return typeof val === 'number' && !isNaN(val)\n}\n\n/**\n * Normalize a transition hook's argument length. The hook may be:\n * - a merged hook (invoker) with the original in .fns\n * - a wrapped component method (check ._length)\n * - a plain function (.length)\n */\nfunction getHookArgumentsLength (fn) {\n  if (isUndef(fn)) {\n    return false\n  }\n  var invokerFns = fn.fns;\n  if (isDef(invokerFns)) {\n    // invoker\n    return getHookArgumentsLength(\n      Array.isArray(invokerFns)\n        ? invokerFns[0]\n        : invokerFns\n    )\n  } else {\n    return (fn._length || fn.length) > 1\n  }\n}\n\nfunction _enter (_, vnode) {\n  if (vnode.data.show !== true) {\n    enter(vnode);\n  }\n}\n\nvar transition = inBrowser ? {\n  create: _enter,\n  activate: _enter,\n  remove: function remove$$1 (vnode, rm) {\n    /* istanbul ignore else */\n    if (vnode.data.show !== true) {\n      leave(vnode, rm);\n    } else {\n      rm();\n    }\n  }\n} : {};\n\nvar platformModules = [\n  attrs,\n  klass,\n  events,\n  domProps,\n  style,\n  transition\n];\n\n/*  */\n\n// the directive module should be applied last, after all\n// built-in modules have been applied.\nvar modules = platformModules.concat(baseModules);\n\nvar patch = createPatchFunction({ nodeOps: nodeOps, modules: modules });\n\n/**\n * Not type checking this file because flow doesn't like attaching\n * properties to Elements.\n */\n\n/* istanbul ignore if */\nif (isIE9) {\n  // http://www.matts411.com/post/internet-explorer-9-oninput/\n  document.addEventListener('selectionchange', function () {\n    var el = document.activeElement;\n    if (el && el.vmodel) {\n      trigger(el, 'input');\n    }\n  });\n}\n\nvar model$1 = {\n  inserted: function inserted (el, binding, vnode) {\n    if (vnode.tag === 'select') {\n      setSelected(el, binding, vnode.context);\n      el._vOptions = [].map.call(el.options, getValue);\n    } else if (vnode.tag === 'textarea' || isTextInputType(el.type)) {\n      el._vModifiers = binding.modifiers;\n      if (!binding.modifiers.lazy) {\n        // Safari < 10.2 & UIWebView doesn't fire compositionend when\n        // switching focus before confirming composition choice\n        // this also fixes the issue where some browsers e.g. iOS Chrome\n        // fires \"change\" instead of \"input\" on autocomplete.\n        el.addEventListener('change', onCompositionEnd);\n        if (!isAndroid) {\n          el.addEventListener('compositionstart', onCompositionStart);\n          el.addEventListener('compositionend', onCompositionEnd);\n        }\n        /* istanbul ignore if */\n        if (isIE9) {\n          el.vmodel = true;\n        }\n      }\n    }\n  },\n  componentUpdated: function componentUpdated (el, binding, vnode) {\n    if (vnode.tag === 'select') {\n      setSelected(el, binding, vnode.context);\n      // in case the options rendered by v-for have changed,\n      // it's possible that the value is out-of-sync with the rendered options.\n      // detect such cases and filter out values that no longer has a matching\n      // option in the DOM.\n      var prevOptions = el._vOptions;\n      var curOptions = el._vOptions = [].map.call(el.options, getValue);\n      if (curOptions.some(function (o, i) { return !looseEqual(o, prevOptions[i]); })) {\n        // trigger change event if\n        // no matching option found for at least one value\n        var needReset = el.multiple\n          ? binding.value.some(function (v) { return hasNoMatchingOption(v, curOptions); })\n          : binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, curOptions);\n        if (needReset) {\n          trigger(el, 'change');\n        }\n      }\n    }\n  }\n};\n\nfunction setSelected (el, binding, vm) {\n  actuallySetSelected(el, binding, vm);\n  /* istanbul ignore if */\n  if (isIE || isEdge) {\n    setTimeout(function () {\n      actuallySetSelected(el, binding, vm);\n    }, 0);\n  }\n}\n\nfunction actuallySetSelected (el, binding, vm) {\n  var value = binding.value;\n  var isMultiple = el.multiple;\n  if (isMultiple && !Array.isArray(value)) {\n    process.env.NODE_ENV !== 'production' && warn(\n      \"<select multiple v-model=\\\"\" + (binding.expression) + \"\\\"> \" +\n      \"expects an Array value for its binding, but got \" + (Object.prototype.toString.call(value).slice(8, -1)),\n      vm\n    );\n    return\n  }\n  var selected, option;\n  for (var i = 0, l = el.options.length; i < l; i++) {\n    option = el.options[i];\n    if (isMultiple) {\n      selected = looseIndexOf(value, getValue(option)) > -1;\n      if (option.selected !== selected) {\n        option.selected = selected;\n      }\n    } else {\n      if (looseEqual(getValue(option), value)) {\n        if (el.selectedIndex !== i) {\n          el.selectedIndex = i;\n        }\n        return\n      }\n    }\n  }\n  if (!isMultiple) {\n    el.selectedIndex = -1;\n  }\n}\n\nfunction hasNoMatchingOption (value, options) {\n  return options.every(function (o) { return !looseEqual(o, value); })\n}\n\nfunction getValue (option) {\n  return '_value' in option\n    ? option._value\n    : option.value\n}\n\nfunction onCompositionStart (e) {\n  e.target.composing = true;\n}\n\nfunction onCompositionEnd (e) {\n  // prevent triggering an input event for no reason\n  if (!e.target.composing) { return }\n  e.target.composing = false;\n  trigger(e.target, 'input');\n}\n\nfunction trigger (el, type) {\n  var e = document.createEvent('HTMLEvents');\n  e.initEvent(type, true, true);\n  el.dispatchEvent(e);\n}\n\n/*  */\n\n// recursively search for possible transition defined inside the component root\nfunction locateNode (vnode) {\n  return vnode.componentInstance && (!vnode.data || !vnode.data.transition)\n    ? locateNode(vnode.componentInstance._vnode)\n    : vnode\n}\n\nvar show = {\n  bind: function bind (el, ref, vnode) {\n    var value = ref.value;\n\n    vnode = locateNode(vnode);\n    var transition$$1 = vnode.data && vnode.data.transition;\n    var originalDisplay = el.__vOriginalDisplay =\n      el.style.display === 'none' ? '' : el.style.display;\n    if (value && transition$$1) {\n      vnode.data.show = true;\n      enter(vnode, function () {\n        el.style.display = originalDisplay;\n      });\n    } else {\n      el.style.display = value ? originalDisplay : 'none';\n    }\n  },\n\n  update: function update (el, ref, vnode) {\n    var value = ref.value;\n    var oldValue = ref.oldValue;\n\n    /* istanbul ignore if */\n    if (value === oldValue) { return }\n    vnode = locateNode(vnode);\n    var transition$$1 = vnode.data && vnode.data.transition;\n    if (transition$$1) {\n      vnode.data.show = true;\n      if (value) {\n        enter(vnode, function () {\n          el.style.display = el.__vOriginalDisplay;\n        });\n      } else {\n        leave(vnode, function () {\n          el.style.display = 'none';\n        });\n      }\n    } else {\n      el.style.display = value ? el.__vOriginalDisplay : 'none';\n    }\n  },\n\n  unbind: function unbind (\n    el,\n    binding,\n    vnode,\n    oldVnode,\n    isDestroy\n  ) {\n    if (!isDestroy) {\n      el.style.display = el.__vOriginalDisplay;\n    }\n  }\n};\n\nvar platformDirectives = {\n  model: model$1,\n  show: show\n};\n\n/*  */\n\n// Provides transition support for a single element/component.\n// supports transition mode (out-in / in-out)\n\nvar transitionProps = {\n  name: String,\n  appear: Boolean,\n  css: Boolean,\n  mode: String,\n  type: String,\n  enterClass: String,\n  leaveClass: String,\n  enterToClass: String,\n  leaveToClass: String,\n  enterActiveClass: String,\n  leaveActiveClass: String,\n  appearClass: String,\n  appearActiveClass: String,\n  appearToClass: String,\n  duration: [Number, String, Object]\n};\n\n// in case the child is also an abstract component, e.g. <keep-alive>\n// we want to recursively retrieve the real component to be rendered\nfunction getRealChild (vnode) {\n  var compOptions = vnode && vnode.componentOptions;\n  if (compOptions && compOptions.Ctor.options.abstract) {\n    return getRealChild(getFirstComponentChild(compOptions.children))\n  } else {\n    return vnode\n  }\n}\n\nfunction extractTransitionData (comp) {\n  var data = {};\n  var options = comp.$options;\n  // props\n  for (var key in options.propsData) {\n    data[key] = comp[key];\n  }\n  // events.\n  // extract listeners and pass them directly to the transition methods\n  var listeners = options._parentListeners;\n  for (var key$1 in listeners) {\n    data[camelize(key$1)] = listeners[key$1];\n  }\n  return data\n}\n\nfunction placeholder (h, rawChild) {\n  if (/\\d-keep-alive$/.test(rawChild.tag)) {\n    return h('keep-alive', {\n      props: rawChild.componentOptions.propsData\n    })\n  }\n}\n\nfunction hasParentTransition (vnode) {\n  while ((vnode = vnode.parent)) {\n    if (vnode.data.transition) {\n      return true\n    }\n  }\n}\n\nfunction isSameChild (child, oldChild) {\n  return oldChild.key === child.key && oldChild.tag === child.tag\n}\n\nvar Transition = {\n  name: 'transition',\n  props: transitionProps,\n  abstract: true,\n\n  render: function render (h) {\n    var this$1 = this;\n\n    var children = this.$options._renderChildren;\n    if (!children) {\n      return\n    }\n\n    // filter out text nodes (possible whitespaces)\n    children = children.filter(function (c) { return c.tag || isAsyncPlaceholder(c); });\n    /* istanbul ignore if */\n    if (!children.length) {\n      return\n    }\n\n    // warn multiple elements\n    if (process.env.NODE_ENV !== 'production' && children.length > 1) {\n      warn(\n        '<transition> can only be used on a single element. Use ' +\n        '<transition-group> for lists.',\n        this.$parent\n      );\n    }\n\n    var mode = this.mode;\n\n    // warn invalid mode\n    if (process.env.NODE_ENV !== 'production' &&\n      mode && mode !== 'in-out' && mode !== 'out-in'\n    ) {\n      warn(\n        'invalid <transition> mode: ' + mode,\n        this.$parent\n      );\n    }\n\n    var rawChild = children[0];\n\n    // if this is a component root node and the component's\n    // parent container node also has transition, skip.\n    if (hasParentTransition(this.$vnode)) {\n      return rawChild\n    }\n\n    // apply transition data to child\n    // use getRealChild() to ignore abstract components e.g. keep-alive\n    var child = getRealChild(rawChild);\n    /* istanbul ignore if */\n    if (!child) {\n      return rawChild\n    }\n\n    if (this._leaving) {\n      return placeholder(h, rawChild)\n    }\n\n    // ensure a key that is unique to the vnode type and to this transition\n    // component instance. This key will be used to remove pending leaving nodes\n    // during entering.\n    var id = \"__transition-\" + (this._uid) + \"-\";\n    child.key = child.key == null\n      ? child.isComment\n        ? id + 'comment'\n        : id + child.tag\n      : isPrimitive(child.key)\n        ? (String(child.key).indexOf(id) === 0 ? child.key : id + child.key)\n        : child.key;\n\n    var data = (child.data || (child.data = {})).transition = extractTransitionData(this);\n    var oldRawChild = this._vnode;\n    var oldChild = getRealChild(oldRawChild);\n\n    // mark v-show\n    // so that the transition module can hand over the control to the directive\n    if (child.data.directives && child.data.directives.some(function (d) { return d.name === 'show'; })) {\n      child.data.show = true;\n    }\n\n    if (\n      oldChild &&\n      oldChild.data &&\n      !isSameChild(child, oldChild) &&\n      !isAsyncPlaceholder(oldChild)\n    ) {\n      // replace old child transition data with fresh one\n      // important for dynamic transitions!\n      var oldData = oldChild && (oldChild.data.transition = extend({}, data));\n      // handle transition mode\n      if (mode === 'out-in') {\n        // return placeholder node and queue update when leave finishes\n        this._leaving = true;\n        mergeVNodeHook(oldData, 'afterLeave', function () {\n          this$1._leaving = false;\n          this$1.$forceUpdate();\n        });\n        return placeholder(h, rawChild)\n      } else if (mode === 'in-out') {\n        if (isAsyncPlaceholder(child)) {\n          return oldRawChild\n        }\n        var delayedLeave;\n        var performLeave = function () { delayedLeave(); };\n        mergeVNodeHook(data, 'afterEnter', performLeave);\n        mergeVNodeHook(data, 'enterCancelled', performLeave);\n        mergeVNodeHook(oldData, 'delayLeave', function (leave) { delayedLeave = leave; });\n      }\n    }\n\n    return rawChild\n  }\n};\n\n/*  */\n\n// Provides transition support for list items.\n// supports move transitions using the FLIP technique.\n\n// Because the vdom's children update algorithm is \"unstable\" - i.e.\n// it doesn't guarantee the relative positioning of removed elements,\n// we force transition-group to update its children into two passes:\n// in the first pass, we remove all nodes that need to be removed,\n// triggering their leaving transition; in the second pass, we insert/move\n// into the final desired state. This way in the second pass removed\n// nodes will remain where they should be.\n\nvar props = extend({\n  tag: String,\n  moveClass: String\n}, transitionProps);\n\ndelete props.mode;\n\nvar TransitionGroup = {\n  props: props,\n\n  render: function render (h) {\n    var tag = this.tag || this.$vnode.data.tag || 'span';\n    var map = Object.create(null);\n    var prevChildren = this.prevChildren = this.children;\n    var rawChildren = this.$slots.default || [];\n    var children = this.children = [];\n    var transitionData = extractTransitionData(this);\n\n    for (var i = 0; i < rawChildren.length; i++) {\n      var c = rawChildren[i];\n      if (c.tag) {\n        if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {\n          children.push(c);\n          map[c.key] = c\n          ;(c.data || (c.data = {})).transition = transitionData;\n        } else if (process.env.NODE_ENV !== 'production') {\n          var opts = c.componentOptions;\n          var name = opts ? (opts.Ctor.options.name || opts.tag || '') : c.tag;\n          warn((\"<transition-group> children must be keyed: <\" + name + \">\"));\n        }\n      }\n    }\n\n    if (prevChildren) {\n      var kept = [];\n      var removed = [];\n      for (var i$1 = 0; i$1 < prevChildren.length; i$1++) {\n        var c$1 = prevChildren[i$1];\n        c$1.data.transition = transitionData;\n        c$1.data.pos = c$1.elm.getBoundingClientRect();\n        if (map[c$1.key]) {\n          kept.push(c$1);\n        } else {\n          removed.push(c$1);\n        }\n      }\n      this.kept = h(tag, null, kept);\n      this.removed = removed;\n    }\n\n    return h(tag, null, children)\n  },\n\n  beforeUpdate: function beforeUpdate () {\n    // force removing pass\n    this.__patch__(\n      this._vnode,\n      this.kept,\n      false, // hydrating\n      true // removeOnly (!important, avoids unnecessary moves)\n    );\n    this._vnode = this.kept;\n  },\n\n  updated: function updated () {\n    var children = this.prevChildren;\n    var moveClass = this.moveClass || ((this.name || 'v') + '-move');\n    if (!children.length || !this.hasMove(children[0].elm, moveClass)) {\n      return\n    }\n\n    // we divide the work into three loops to avoid mixing DOM reads and writes\n    // in each iteration - which helps prevent layout thrashing.\n    children.forEach(callPendingCbs);\n    children.forEach(recordPosition);\n    children.forEach(applyTranslation);\n\n    // force reflow to put everything in position\n    var body = document.body;\n    var f = body.offsetHeight; // eslint-disable-line\n\n    children.forEach(function (c) {\n      if (c.data.moved) {\n        var el = c.elm;\n        var s = el.style;\n        addTransitionClass(el, moveClass);\n        s.transform = s.WebkitTransform = s.transitionDuration = '';\n        el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) {\n          if (!e || /transform$/.test(e.propertyName)) {\n            el.removeEventListener(transitionEndEvent, cb);\n            el._moveCb = null;\n            removeTransitionClass(el, moveClass);\n          }\n        });\n      }\n    });\n  },\n\n  methods: {\n    hasMove: function hasMove (el, moveClass) {\n      /* istanbul ignore if */\n      if (!hasTransition) {\n        return false\n      }\n      /* istanbul ignore if */\n      if (this._hasMove) {\n        return this._hasMove\n      }\n      // Detect whether an element with the move class applied has\n      // CSS transitions. Since the element may be inside an entering\n      // transition at this very moment, we make a clone of it and remove\n      // all other transition classes applied to ensure only the move class\n      // is applied.\n      var clone = el.cloneNode();\n      if (el._transitionClasses) {\n        el._transitionClasses.forEach(function (cls) { removeClass(clone, cls); });\n      }\n      addClass(clone, moveClass);\n      clone.style.display = 'none';\n      this.$el.appendChild(clone);\n      var info = getTransitionInfo(clone);\n      this.$el.removeChild(clone);\n      return (this._hasMove = info.hasTransform)\n    }\n  }\n};\n\nfunction callPendingCbs (c) {\n  /* istanbul ignore if */\n  if (c.elm._moveCb) {\n    c.elm._moveCb();\n  }\n  /* istanbul ignore if */\n  if (c.elm._enterCb) {\n    c.elm._enterCb();\n  }\n}\n\nfunction recordPosition (c) {\n  c.data.newPos = c.elm.getBoundingClientRect();\n}\n\nfunction applyTranslation (c) {\n  var oldPos = c.data.pos;\n  var newPos = c.data.newPos;\n  var dx = oldPos.left - newPos.left;\n  var dy = oldPos.top - newPos.top;\n  if (dx || dy) {\n    c.data.moved = true;\n    var s = c.elm.style;\n    s.transform = s.WebkitTransform = \"translate(\" + dx + \"px,\" + dy + \"px)\";\n    s.transitionDuration = '0s';\n  }\n}\n\nvar platformComponents = {\n  Transition: Transition,\n  TransitionGroup: TransitionGroup\n};\n\n/*  */\n\n// install platform specific utils\nVue$3.config.mustUseProp = mustUseProp;\nVue$3.config.isReservedTag = isReservedTag;\nVue$3.config.isReservedAttr = isReservedAttr;\nVue$3.config.getTagNamespace = getTagNamespace;\nVue$3.config.isUnknownElement = isUnknownElement;\n\n// install platform runtime directives & components\nextend(Vue$3.options.directives, platformDirectives);\nextend(Vue$3.options.components, platformComponents);\n\n// install platform patch function\nVue$3.prototype.__patch__ = inBrowser ? patch : noop;\n\n// public mount method\nVue$3.prototype.$mount = function (\n  el,\n  hydrating\n) {\n  el = el && inBrowser ? query(el) : undefined;\n  return mountComponent(this, el, hydrating)\n};\n\n// devtools global hook\n/* istanbul ignore next */\nsetTimeout(function () {\n  if (config.devtools) {\n    if (devtools) {\n      devtools.emit('init', Vue$3);\n    } else if (process.env.NODE_ENV !== 'production' && isChrome) {\n      console[console.info ? 'info' : 'log'](\n        'Download the Vue Devtools extension for a better development experience:\\n' +\n        'https://github.com/vuejs/vue-devtools'\n      );\n    }\n  }\n  if (process.env.NODE_ENV !== 'production' &&\n    config.productionTip !== false &&\n    inBrowser && typeof console !== 'undefined'\n  ) {\n    console[console.info ? 'info' : 'log'](\n      \"You are running Vue in development mode.\\n\" +\n      \"Make sure to turn on production mode when deploying for production.\\n\" +\n      \"See more tips at https://vuejs.org/guide/deployment.html\"\n    );\n  }\n}, 0);\n\n/*  */\n\nmodule.exports = Vue$3;\n","import mapboxgl from 'mapbox-gl';\nimport Vue from 'vue';\n\nVue.component('root', {\n  template: '<div>A custom component!</div>'\n})\n\nvar app = new Vue({\n  el: '#app',\n  data: {\n    imgs: window.imgs,\n    res: 280,\n    slider: 0,\n    rasterCoords: {\n      140: [\n        [33.35317413, 33.27232471],\n        [36.32243686, 33.27232471],\n        [36.32243686, 30.72293428],\n        [33.35317413, 30.72293428]\n      ],\n      280: [\n        [31.93095218, 34.5156862],\n        [37.86644267, 34.5156862],\n        [37.86644267, 29.42911589],\n        [31.93095218, 29.42911589]\n      ]\n    }\n  }\n});\n\nmapboxgl.accessToken = 'pk.eyJ1IjoieXV2YWRtIiwiYSI6ImNpcnMxbzBuaTAwZWdoa25oczlzZmkwbHcifQ.UHtLngbKm9O8945pJm23Nw';\nvar map = new mapboxgl.Map({\n  container: 'map',\n  style: 'mapbox://styles/mapbox/dark-v9',\n  container: 'map',\n  maxZoom: 10,\n  minZoom: 5,\n  zoom: 6.3,\n  center: [35, 31.9],\n  hash: false\n});\n\nfunction addRadarSource(res, i, url) {\n  map.addSource('radar-' + res + '-' + i, {\n    type: 'image',\n    url: '/static/img/' + url,\n    coordinates: app.rasterCoords[res]\n  })\n}\n\nfunction addRadarLayer(res, i) {\n  map.addLayer({\n    id: 'radar-' + res + '-' + i,\n    source: 'radar-' + res + '-' + i,\n    type: 'raster',\n    paint: {\n      'raster-opacity': 0.85\n    }\n  })\n}\n\nfunction removeRadarLayer(res, i) {\n  map.removeLayer('radar-' + res + '-' + i)\n}\n\nmap.on('style.load', function () {\n  var i = 0;\n  while (i < app.imgs['140'].length) {\n    addRadarSource('140', i, app.imgs['140'][i++])\n  }\n  var i = 0;\n  while (i < app.imgs['280'].length) {\n    addRadarSource('280', i, app.imgs['280'][i++])\n  }\n  addRadarLayer('280', 0)\n})\n\n\n\n"]}
\ No newline at end of file
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