rx-player
Version:
Canal+ HTML5 Video Player
38 lines (37 loc) • 1.23 kB
JavaScript
/**
* Copyright 2015 CANAL+ Group
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Array.prototype.find ponyfill.
* @param {Array} arr
* @param {Function} predicate
* @param {*} thisArg
* @returns {boolean}
*/
export default function arrayFind(arr, predicate, thisArg) {
// eslint-disable-next-line no-restricted-properties
if (typeof Array.prototype.find === "function") {
// eslint-disable-next-line no-restricted-properties
return arr.find(predicate, thisArg);
}
const len = arr.length >>> 0;
for (let i = 0; i < len; i++) {
const val = arr[i];
if (predicate.call(thisArg, val, i, arr)) {
return val;
}
}
return undefined;
}