public function isProjectInstalled()
    {
        if (isset($this->isProjectInstalled)) {
            return $this->isProjectInstalled;
        }

        return $this->isProjectInstalled = is_dir($this->home->homeDir() . DIRECTORY_SEPARATOR . 'vendor');
    }
public function isProjectInstalled()
    {
        if (isset($this->isProjectInstalled)) {
            return $this->isProjectInstalled;
        }

        return $this->isProjectInstalled = is_dir($this->home->homeDir() . DIRECTORY_SEPARATOR . 'vendor');
    }
public function isProjectInstalled ( ) { if ( isset ( $ this -> isProjectInstalled ) ) { return $ this -> isProjectInstalled ; } return $ this -> isProjectInstalled = is_dir ( $ this -> home -> homeDir ( ) . DIRECTORY_SEPARATOR . 'vendor' ) ; }
Check if the vendor directory is present.

@return bool
Check if the vendor directory is present .