source: frontend/node_modules/es-abstract/2023/GetMatchString.js

'use strict';

var $TypeError = require('es-errors/type');

var substring = require('./substring');

var isMatchRecord = require('../helpers/records/match-record');

// https://262.ecma-international.org/13.0/#sec-getmatchstring

module.exports = function GetMatchString(S, match) {
        if (typeof S !== 'string') {
                throw new $TypeError('Assertion failed: `S` must be a String');
        }
        if (!isMatchRecord(match)) {
                throw new $TypeError('Assertion failed: `match` must be a Match Record');
        }

        if (!(match['[[StartIndex]]'] <= S.length)) {
                throw new $TypeError('`match` [[StartIndex]] must be a non-negative integer <= the length of S');
        }
        if (!(match['[[EndIndex]]'] <= S.length)) {
                throw new $TypeError('`match` [[EndIndex]] must be an integer between [[StartIndex]] and the length of S, inclusive');
        }
        return substring(S, match['[[StartIndex]]'], match['[[EndIndex]]']);
};