main repo

node_modules/es-abstract/2023/GetMatchIndexPair.js

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+'use strict';
+
+var $TypeError = require('es-errors/type');
+
+var isMatchRecord = require('../helpers/records/match-record');
+
+// https://262.ecma-international.org/13.0/#sec-getmatchindexpair
+
+module.exports = function GetMatchIndexPair(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 [match['[[StartIndex]]'], match['[[EndIndex]]']];
+};