Server : Apache System : Linux server2.corals.io 4.18.0-348.2.1.el8_5.x86_64 #1 SMP Mon Nov 15 09:17:08 EST 2021 x86_64 User : corals ( 1002) PHP Version : 7.4.33 Disable Function : exec,passthru,shell_exec,system Directory :  /home/corals/dceprojects.corals.io/node_modules/es-abstract/2022/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

'use strict';

var GetIntrinsic = require('get-intrinsic');
var callBound = require('call-bind/callBound');

var $TypeError = GetIntrinsic('%TypeError%');
var $RegExpPrototype = GetIntrinsic('%RegExp.prototype%');

var SameValue = require('./SameValue');
var Type = require('./Type');

var $indexOf = callBound('String.prototype.indexOf');

var hasRegExpMatcher = require('is-regex');
var getFlags = require('regexp.prototype.flags');

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

module.exports = function RegExpHasFlag(R, codeUnit) {
	if (Type(codeUnit) !== 'String' || codeUnit.length !== 1) {
		throw new $TypeError('Assertion failed: `string` must be a code unit - a String of length 1');
	}

	if (Type(R) !== 'Object') {
		throw new $TypeError('Assertion failed: Type(R) is not Object');
	}

	if (!hasRegExpMatcher(R)) { // step 2
		if (SameValue(R, $RegExpPrototype)) {
			return void undefined; // step 2.a
		}
		throw new $TypeError('`R` must be a RegExp object'); // step 2.b
	}

	var flags = getFlags(R); // step 3

	return $indexOf(flags, codeUnit) > -1; // steps 4-5
};