@cainiaofe/cn-utils/lib/common/array.js

菜鸟前端基础工具库

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var ArrayPolyfill = /** @class */ (function () {
    function ArrayPolyfill() {
    }
    /**
     * Array::find polyfill
     *
     * @param  {Array} arr
     * @param  {Function} predicate
     * @return {Array}
     */
    ArrayPolyfill.find = function (arr, predicate) {
        var i;
        var l;
        if (Array.prototype.find) {
            return Array.prototype.find.call(arr, predicate);
        }
        for (i = 0, l = arr.length; i < l; i += 1) {
            var value = arr[i];
            if (predicate(value, i)) {
                return value;
            }
        }
        return undefined;
    };
    return ArrayPolyfill;
}());
exports.default = ArrayPolyfill;