flow like the river

VISUALIZACION/node_modules/es-abstract/2022/GetMatchString.js

@@ -0,0 +1,27 @@
+'use strict';
+
+var GetIntrinsic = require('get-intrinsic');
+
+var $TypeError = GetIntrinsic('%TypeError%');
+
+var substring = require('./substring');
+var Type = require('./Type');
+
+var assertRecord = require('../helpers/assertRecord');
+
+// https://262.ecma-international.org/13.0/#sec-getmatchstring
+
+module.exports = function GetMatchString(S, match) {
+	if (Type(S) !== 'String') {
+		throw new $TypeError('Assertion failed: `S` must be a String');
+	}
+	assertRecord(Type, 'Match Record', 'match', match);
+
+	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]]']);
+};