1 | "use strict";
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2 |
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3 | exports.__esModule = true;
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4 | exports["default"] = void 0;
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5 | var _isNotFinite = _interopRequireDefault(require("../../isNotFinite"));
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6 | var _isNegative = _interopRequireDefault(require("../../isNegative"));
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7 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
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8 | var repeat = function repeat(value, count) {
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9 | var validCount = Number(count);
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10 | if (validCount !== count) {
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11 | validCount = 0;
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12 | }
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13 | if ((0, _isNegative["default"])(validCount)) {
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14 | throw new RangeError('repeat count must be non-negative');
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15 | }
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16 | if ((0, _isNotFinite["default"])(validCount)) {
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17 | throw new RangeError('repeat count must be less than infinity');
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18 | }
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19 | validCount = Math.floor(validCount);
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20 | if (value.length === 0 || validCount === 0) {
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21 | return '';
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22 | }
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23 |
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24 | // Ensuring validCount is a 31-bit integer allows us to heavily optimize the
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25 | // main part. But anyway, most current (August 2014) browsers can't handle
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26 | // strings 1 << 28 chars or longer, so:
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27 | // eslint-disable-next-line no-bitwise
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28 | if (value.length * validCount >= 1 << 28) {
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29 | throw new RangeError('repeat count must not overflow maximum string size');
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30 | }
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31 | var maxCount = value.length * validCount;
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32 | validCount = Math.floor(Math.log(validCount) / Math.log(2));
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33 | var result = value;
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34 | while (validCount) {
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35 | result += value;
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36 | validCount -= 1;
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37 | }
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38 | result += result.substring(0, maxCount - result.length);
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39 | return result;
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40 | };
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41 | var _default = repeat;
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42 | exports["default"] = _default; |
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