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- 'use strict';
- var $ = require('../internals/export');
- var $reduce = require('../internals/array-reduce').left;
- var arrayMethodIsStrict = require('../internals/array-method-is-strict');
- var CHROME_VERSION = require('../internals/engine-v8-version');
- var IS_NODE = require('../internals/engine-is-node');
- var STRICT_METHOD = arrayMethodIsStrict('reduce');
- // Chrome 80-82 has a critical bug
- // https://bugs.chromium.org/p/chromium/issues/detail?id=1049982
- var CHROME_BUG = !IS_NODE && CHROME_VERSION > 79 && CHROME_VERSION < 83;
- // `Array.prototype.reduce` method
- // https://tc39.es/ecma262/#sec-array.prototype.reduce
- $({ target: 'Array', proto: true, forced: !STRICT_METHOD || CHROME_BUG }, {
- reduce: function reduce(callbackfn /* , initialValue */) {
- var length = arguments.length;
- return $reduce(this, callbackfn, length, length > 1 ? arguments[1] : undefined);
- }
- });
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