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"use strict"
define(function() {
function assert(condition, message) {
if (false == condition) {
message = message || "Assertion failed";
if (typeof Error !== "undefined") {
throw new Error(message);
}
throw message; // Fallback
}
}
function set_from_array(a) {
var ret = {};
for (var k = 0; k < a.length; ++k) {
ret[a[k]] = 1;
}
return ret;
}
function set_from_object(o) {
var ret = {}
for ( var k in o) {
ret[k] = 1;
}
return ret;
}
function set_diff(sa, sb) {
var ret = {
a_b : [],
b_a : []
};
var i;
for (i in sa) {
if (!(i in sb)) {
ret.a_b.push(i);
}
}
for (i in sb) {
if (!(i in sa)) {
ret.b_a.push(i);
}
}
return ret;
}
function array_diff(aa, ab) {
var sa = set_from_array(aa);
var sb = set_from_array(ab);
return set_diff(sa, sb);
}
// TODO: jquery BBQ: $.deparam.querystring().json;
function getParameterByName(name) {
name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
results = regex.exec(location.search);
return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
}
return {
assert: assert,
set_from_array: set_from_array,
set_from_object: set_from_object,
set_diff: set_diff,
array_diff: array_diff,
getParameterByName: getParameterByName,
};
});
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