meshviewer/polyfill.js
2017-12-26 18:14:23 +01:00

51 lines
1.5 KiB
JavaScript

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