55 lines
1.6 KiB
JavaScript
55 lines
1.6 KiB
JavaScript
'use strict';
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// Polyfills for (old) mobile browsers and IE 11
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// From https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/
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if (!String.prototype.includes) {
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String.prototype.includes = function () {
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return String.prototype.indexOf.apply(this, arguments) !== -1;
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};
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}
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if (typeof Object.assign !== 'function') {
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Object.assign = function (target, varArgs) { // .length of function is 2
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if (target == null) { // TypeError if undefined or null
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throw new TypeError('Cannot convert undefined or null to object');
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}
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var to = Object(target);
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for (var index = 1; index < arguments.length; index++) {
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var nextSource = arguments[index];
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if (nextSource != null) { // Skip over if undefined or null
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for (var nextKey in nextSource) {
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// Avoid bugs when hasOwnProperty is shadowed
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if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {
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to[nextKey] = nextSource[nextKey];
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}
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}
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}
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}
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return to;
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};
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}
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// eslint-disable-next-line consistent-return
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(function () {
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if (typeof window.CustomEvent === 'function') {
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return false;
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}
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function CustomEvent(event, params) {
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params = params || { bubbles: false, cancelable: false, detail: undefined };
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var evt = document.createEvent('CustomEvent');
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evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
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return evt;
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}
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CustomEvent.prototype = window.Event.prototype;
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window.CustomEvent = CustomEvent;
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})();
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if ('serviceWorker' in navigator) {
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navigator.serviceWorker.register('service-worker.js');
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}
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