Eloquent\Composer\NpmBridge\NpmBridge::install PHP Метод

    public function install(Composer $composer, $isDevMode = true)
    {
        $this->io->write('<info>Installing NPM dependencies for root project</info>');
        if ($this->isDependantPackage($composer->getPackage(), $isDevMode)) {
            $this->client->install(null, $isDevMode);
        } else {
            $this->io->write('Nothing to install');
        }
        $this->installForVendors($composer);
    }