source: imaps-frontend/node_modules/es-abstract/2024/GetMatchString.js

main
Last change on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago

Update repo after prototype presentation

  • Property mode set to 100644
File size: 884 bytes
Line 
1'use strict';
2
3var $TypeError = require('es-errors/type');
4
5var substring = require('./substring');
6
7var isMatchRecord = require('../helpers/records/match-record');
8
9// https://262.ecma-international.org/13.0/#sec-getmatchstring
10
11module.exports = function GetMatchString(S, match) {
12 if (typeof S !== 'string') {
13 throw new $TypeError('Assertion failed: `S` must be a String');
14 }
15 if (!isMatchRecord(match)) {
16 throw new $TypeError('Assertion failed: `match` must be a Match Record');
17 }
18
19 if (!(match['[[StartIndex]]'] <= S.length)) {
20 throw new $TypeError('`match` [[StartIndex]] must be a non-negative integer <= the length of S');
21 }
22 if (!(match['[[EndIndex]]'] <= S.length)) {
23 throw new $TypeError('`match` [[EndIndex]] must be an integer between [[StartIndex]] and the length of S, inclusive');
24 }
25 return substring(S, match['[[StartIndex]]'], match['[[EndIndex]]']);
26};
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