Server : nginx/1.20.1 System : Linux ccpf-production-2021 5.4.0-148-generic #165-Ubuntu SMP Tue Apr 18 08:53:12 UTC 2023 x86_64 User : forge ( 1000) PHP Version : 7.4.21 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 :  /lib/node_modules/gulp/node_modules/es5-ext/object/

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"use strict";

var isClassStr = RegExp.prototype.test.bind(/^\s*class[\s{/}]/)
  , fnToString = Function.prototype.toString;

module.exports = function (fn) {
	if (typeof fn !== "function") return false;
	if (typeof fn.call !== "function") return false;
	if (typeof fn.apply !== "function") return false;
	return !isClassStr(fnToString.call(fn));
};