main
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Last change
on this file since 79a0317 was 79a0317, checked in by stefan toskovski <stefantoska84@…>, 3 days ago |
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F4 Finalna Verzija
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Property mode
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100644
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File size:
638 bytes
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| [d565449] | 1 | 'use strict';
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| 2 |
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| 3 | var $TypeError = require('es-errors/type');
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| [79a0317] | 4 | var isInteger = require('math-intrinsics/isInteger');
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| 5 | var callBound = require('call-bound');
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| [d565449] | 6 |
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| 7 | var $slice = callBound('String.prototype.slice');
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| 8 |
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| 9 | // https://262.ecma-international.org/12.0/#substring
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| 10 | module.exports = function substring(S, inclusiveStart, exclusiveEnd) {
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| 11 | if (typeof S !== 'string' || !isInteger(inclusiveStart) || (arguments.length > 2 && !isInteger(exclusiveEnd))) {
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| 12 | throw new $TypeError('`S` must be a String, and `inclusiveStart` and `exclusiveEnd` must be integers');
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| 13 | }
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| 14 | return $slice(S, inclusiveStart, arguments.length > 2 ? exclusiveEnd : S.length);
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| 15 | };
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