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15 lines
580 B
JavaScript
15 lines
580 B
JavaScript
'use strict';
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var toInteger = require('../internals/to-integer');
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var requireObjectCoercible = require('../internals/require-object-coercible');
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// `String.prototype.repeat` method implementation
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// https://tc39.github.io/ecma262/#sec-string.prototype.repeat
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module.exports = ''.repeat || function repeat(count) {
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var str = String(requireObjectCoercible(this));
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var result = '';
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var n = toInteger(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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