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10 lines
339 B
10 lines
339 B
// https://tc39.github.io/ecma262/#sec-toindex |
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var toInteger = require('./_to-integer'); |
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var toLength = require('./_to-length'); |
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module.exports = function (it) { |
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if (it === undefined) return 0; |
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var number = toInteger(it); |
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var length = toLength(number); |
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if (number !== length) throw RangeError('Wrong length!'); |
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return length; |
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};
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