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