blob: ab829310a7f2f6127e3c43b17cdfa51234d2abe6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/*
This file is part of rhizi, a collaborative knowledge graph editor.
Copyright (C) 2014-2015 Rhizi
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
function new_deffer() {
var deffer = {
cb: null,
call_cb: false,
};
deffer.done = function(cb) {
deffer.cb = cb;
if (deffer.call_cb) {
// warning: going down callstack - should probably use setInterval
deffer.call_cb = false; // first do this to avoid endless recursion
return deffer.cb();
}
};
deffer.on_done = function() {
if (this.cb) {
this.call_cb = false;
this.cb();
} else {
this.call_cb = true;
}
};
return deffer;
}
function addScript(window, name) {
var scriptEl = window.document.createElement("script");
scriptEl.src = name;
var deffer = new_deffer();
deffer.load_next = function(script) {
var sec_deffer = new_deffer();
addScript(window, script).done(
function() { sec_deffer.on_done(); })
return sec_deffer;
}
function onload_cb() {
console.log('addScript: loaded ' + name);
deffer.on_done();
}
scriptEl.onload = onload_cb;
window.document.body.appendChild(scriptEl);
return deffer;
}
exports.addScript = addScript;
|
