main
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Last change
on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
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Update repo after prototype presentation
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Property mode
set to
100644
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File size:
884 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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| 4 |
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| 5 | var substring = require('./substring');
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| 6 |
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| 7 | var isMatchRecord = require('../helpers/records/match-record');
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| 8 |
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| 9 | // https://262.ecma-international.org/13.0/#sec-getmatchstring
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| 10 |
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| 11 | module.exports = function GetMatchString(S, match) {
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| 12 | if (typeof S !== 'string') {
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| 13 | throw new $TypeError('Assertion failed: `S` must be a String');
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| 14 | }
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| 15 | if (!isMatchRecord(match)) {
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| 16 | throw new $TypeError('Assertion failed: `match` must be a Match Record');
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| 17 | }
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| 18 |
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| 19 | if (!(match['[[StartIndex]]'] <= S.length)) {
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| 20 | throw new $TypeError('`match` [[StartIndex]] must be a non-negative integer <= the length of S');
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| 21 | }
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| 22 | if (!(match['[[EndIndex]]'] <= S.length)) {
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| 23 | throw new $TypeError('`match` [[EndIndex]] must be an integer between [[StartIndex]] and the length of S, inclusive');
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| 24 | }
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| 25 | return substring(S, match['[[StartIndex]]'], match['[[EndIndex]]']);
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| 26 | };
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