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18 lines
726 B
18 lines
726 B
'use strict'; |
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var global = require('../internals/global'); |
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var toIntegerOrInfinity = require('../internals/to-integer-or-infinity'); |
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var toString = require('../internals/to-string'); |
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var requireObjectCoercible = require('../internals/require-object-coercible'); |
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var RangeError = global.RangeError; |
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// `String.prototype.repeat` method implementation |
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// https://tc39.es/ecma262/#sec-string.prototype.repeat |
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module.exports = function repeat(count) { |
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var str = toString(requireObjectCoercible(this)); |
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var result = ''; |
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var n = toIntegerOrInfinity(count); |
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if (n < 0 || n == Infinity) throw RangeError('Wrong number of repetitions'); |
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for (;n > 0; (n >>>= 1) && (str += str)) if (n & 1) result += str; |
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return result; |
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};
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