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