Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /usr/local/lib/node_modules/browserify/node_modules/es-abstract/2019/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

'use strict';

var GetIntrinsic = require('../GetIntrinsic.js');

var $construct = GetIntrinsic('%Reflect.construct%', true);

var DefinePropertyOrThrow = require('./DefinePropertyOrThrow');
try {
	DefinePropertyOrThrow({}, '', { '[[Get]]': function () {} });
} catch (e) {
	// Accessor properties aren't supported
	DefinePropertyOrThrow = null;
}

// https://ecma-international.org/ecma-262/6.0/#sec-isconstructor

if (DefinePropertyOrThrow && $construct) {
	var isConstructorMarker = {};
	var badArrayLike = {};
	DefinePropertyOrThrow(badArrayLike, 'length', {
		'[[Get]]': function () {
			throw isConstructorMarker;
		},
		'[[Enumerable]]': true
	});

	module.exports = function IsConstructor(argument) {
		try {
			// `Reflect.construct` invokes `IsConstructor(target)` before `Get(args, 'length')`:
			$construct(argument, badArrayLike);
		} catch (err) {
			return err === isConstructorMarker;
		}
	};
} else {
	module.exports = function IsConstructor(argument) {
		// unfortunately there's no way to truly check this without try/catch `new argument` in old environments
		return typeof argument === 'function' && !!argument.prototype;
	};
}