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17 lines
760 B
17 lines
760 B
'use strict'; |
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var toObject = require('../internals/to-object'); |
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var toAbsoluteIndex = require('../internals/to-absolute-index'); |
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var lengthOfArrayLike = require('../internals/length-of-array-like'); |
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// `Array.prototype.fill` method implementation |
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// https://tc39.es/ecma262/#sec-array.prototype.fill |
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module.exports = function fill(value /* , start = 0, end = @length */) { |
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var O = toObject(this); |
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var length = lengthOfArrayLike(O); |
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var argumentsLength = arguments.length; |
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var index = toAbsoluteIndex(argumentsLength > 1 ? arguments[1] : undefined, length); |
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var end = argumentsLength > 2 ? arguments[2] : undefined; |
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var endPos = end === undefined ? length : toAbsoluteIndex(end, length); |
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while (endPos > index) O[index++] = value; |
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return O; |
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};
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