debian-mirror-gitlab/core-js/modules/es.array.find.js
2019-09-25 13:30:05 +05:30

21 lines
719 B
JavaScript

'use strict';
var $ = require('../internals/export');
var $find = require('../internals/array-iteration').find;
var addToUnscopables = require('../internals/add-to-unscopables');
var FIND = 'find';
var SKIPS_HOLES = true;
// Shouldn't skip holes
if (FIND in []) Array(1)[FIND](function () { SKIPS_HOLES = false; });
// `Array.prototype.find` method
// https://tc39.github.io/ecma262/#sec-array.prototype.find
$({ target: 'Array', proto: true, forced: SKIPS_HOLES }, {
find: function find(callbackfn /* , that = undefined */) {
return $find(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
}
});
// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
addToUnscopables(FIND);