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dt-script-loader.js
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dt-script-loader.js
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// dt-script-loader.js
// (c) 2013 Kent C. Dodds
// dt-script-loader.js may be freely distributed under the MIT license.
// http://www.github.com/kentcdodds/dt-script-loader.git
// See README.md
var DoubleTakeScriptLoader = function(scripts) {
if (scripts) {
if (Object.prototype.toString.call(scripts) !== '[object Array]' ) {
scripts = [scripts];
}
} else {
scripts = document.getElementsByTagName('script');
}
var scriptsToRemove = [];
for (var i = 0; i < scripts.length; i++) {
var script = scripts[i];
var propName = script.propName || script.getAttribute('data-prop-name');
var localSource = script.localSource || script.getAttribute('data-local-src');
if (propName !== null && localSource !== null) {
if (!window[propName]) {
document.write('<script src="' + localSource + '" type="text/javascript"><' + '/script>');
if (script.originalId) {
script = document.getElementById(script.originalId);
}
if (script.parentNode) {
scriptsToRemove.push(script);
}
}
}
}
for (var i = 0; i < scriptsToRemove.length; i++) {
script.parentNode.removeChild(script);
}
};
DoubleTakeScriptLoader();