Eloquent\Composer\NpmBridge\NpmClient::executeNpm PHP Метод

    private function executeNpm($arguments, $workingDirectoryPath)
    {
        array_unshift($arguments, $this->npmPath());
        $command = implode(' ', array_map('escapeshellarg', $arguments));
        if (null !== $workingDirectoryPath) {
            $previousWorkingDirectoryPath = call_user_func($this->getcwd);
            call_user_func($this->chdir, $workingDirectoryPath);
        }
        $exitCode = $this->processExecutor->execute($command);
        if (null !== $workingDirectoryPath) {
            call_user_func($this->chdir, $previousWorkingDirectoryPath);
        }
        if (0 !== $exitCode) {
            throw new NpmCommandFailedException($command);
        }
    }