src/Controllers/ModuleController.php
public function checkNamespace(Request $request)
    {
        if (isset($request->path)) {
            $path = $this->parseModel($request->path);
            $path = base_path(trim(str_replace('\\', '/', $request->path)), '\\');
            $path = str_replace('App', 'app', $path);
            if (file_exists($path.'.php')) {
                return response()->json((object) [
                    'type'    => 'error',
                    'message' => 'File exists Already',
                ]);
            } else {
                return response()->json((object) [
                    'type'    => 'success',
                    'message' => 'File can be generated at this location',
                ]);
            }
        } else {
            return response()->json((object) [
                'type'    => 'error',
                'message' => 'Please provide some value',
            ]);
        }
    }
public function checkNamespace(Request $request)
    {
        if (isset($request->path)) {
            $path = $this->parseModel($request->path);
            $path = base_path(trim(str_replace('\\', '/', $request->path)), '\\');
            $path = str_replace('App', 'app', $path);
            if (file_exists($path.'.php')) {
                return response()->json((object) [
                    'type'    => 'error',
                    'message' => 'File exists Already',
                ]);
            } else {
                return response()->json((object) [
                    'type'    => 'success',
                    'message' => 'File can be generated at this location',
                ]);
            }
        } else {
            return response()->json((object) [
                'type'    => 'error',
                'message' => 'Please provide some value',
            ]);
        }
    }
Checking the path for a file if exists.

@param Request $request