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script.js
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script.js
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/*
* https://www.npmjs.com/package/system-script
* system.js plugin to load an import via a script tag instead of a XHR request which avoid CORS issues
* */
'use strict';
exports.locate = function(load) {
var name = load.name.replace(/^(https?:)?\/\//, '');
return window.location.protocol + '//' + name;
};
exports.fetch = function(load) {
return new Promise(function(resolve, reject) {
var head = document.getElementsByTagName('head')[0];
var s = document.createElement('script');
s.async = true;
function complete(/*evt*/) {
if (s.readyState && s.readyState !== 'loaded' && s.readyState !== 'complete'){
return;
}
cleanup();
resolve('');
}
function error(evt) {
cleanup();
reject(evt);
}
if (s.attachEvent) {
s.attachEvent('onreadystatechange', complete);
}
else {
s.addEventListener('load', complete, false);
s.addEventListener('error', error, false);
}
s.src = load.address;
head.appendChild(s);
function cleanup() {
if (s.detachEvent){
s.detachEvent('onreadystatechange', complete);
}
else {
s.removeEventListener('load', complete, false);
s.removeEventListener('error', error, false);
}
head.removeChild(s);
}
});
};