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- 'use strict';
- var $ = require('../internals/export');
- var call = require('../internals/function-call');
- var iterate = require('../internals/iterate');
- var aCallable = require('../internals/a-callable');
- var anObject = require('../internals/an-object');
- var getIteratorDirect = require('../internals/get-iterator-direct');
- var iteratorClose = require('../internals/iterator-close');
- var iteratorHelperWithoutClosingOnEarlyError = require('../internals/iterator-helper-without-closing-on-early-error');
- var forEachWithoutClosingOnEarlyError = iteratorHelperWithoutClosingOnEarlyError('forEach', TypeError);
- // `Iterator.prototype.forEach` method
- // https://tc39.es/ecma262/#sec-iterator.prototype.foreach
- $({ target: 'Iterator', proto: true, real: true, forced: forEachWithoutClosingOnEarlyError }, {
- forEach: function forEach(fn) {
- anObject(this);
- try {
- aCallable(fn);
- } catch (error) {
- iteratorClose(this, 'throw', error);
- }
- if (forEachWithoutClosingOnEarlyError) return call(forEachWithoutClosingOnEarlyError, this, fn);
- var record = getIteratorDirect(this);
- var counter = 0;
- iterate(record, function (value) {
- fn(value, counter++);
- }, { IS_RECORD: true });
- }
- });
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