22 lines
619 B
JavaScript
22 lines
619 B
JavaScript
(function () {
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'use strict';
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const root = window.PixelIslandModules ||= {};
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const pending = new Map();
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function loadScript(src) {
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if (pending.has(src)) return pending.get(src);
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const promise = new Promise((resolve, reject) => {
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const script = document.createElement('script');
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script.src = src;
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script.defer = true;
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script.onload = () => resolve(script);
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script.onerror = () => reject(new Error(`Could not load ${src}`));
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document.head.appendChild(script);
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});
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pending.set(src, promise);
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return promise;
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}
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root.ModuleLoader = { loadScript };
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})();
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