25 lines
711 B
JavaScript
25 lines
711 B
JavaScript
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// Thanks
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// @rauchma http://www.2ality.com/2014/01/efficient-string-repeat.html
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// @mathiasbynens https://github.com/mathiasbynens/String.prototype.repeat/blob/4a4b567def/repeat.js
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"use strict";
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var value = require("../../../object/valid-value")
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, toInteger = require("../../../number/to-integer");
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module.exports = function (count) {
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var str = String(value(this)), result;
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count = toInteger(count);
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if (count < 0) throw new RangeError("Count must be >= 0");
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if (!isFinite(count)) throw new RangeError("Count must be < ∞");
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result = "";
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while (count) {
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if (count % 2) result += str;
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if (count > 1) str += str;
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// eslint-disable-next-line no-bitwise
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count >>= 1;
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}
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return result;
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};
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