34 lines
895 B
JavaScript
34 lines
895 B
JavaScript
"use strict";
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var cacheLoader = require('../cacheLoader');
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module.exports = cacheLoader(function (bundle) {
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return new Promise(function (resolve, reject) {
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// Don't insert the same link element twice (e.g. if it was already in the HTML)
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var existingLinks = document.getElementsByTagName('link');
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if ([].concat(existingLinks).some(function isCurrentBundle(link) {
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return link.href === bundle && link.rel.indexOf('stylesheet') > -1;
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})) {
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resolve();
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return;
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}
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var link = document.createElement('link');
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link.rel = 'stylesheet';
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link.href = bundle;
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link.onerror = function (e) {
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link.onerror = link.onload = null;
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link.remove();
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reject(e);
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};
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link.onload = function () {
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link.onerror = link.onload = null;
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resolve();
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};
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document.getElementsByTagName('head')[0].appendChild(link);
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});
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}); |
