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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace A17\Twill\Services\Assets;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Illuminate\Support\Facades\Cache;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class Twill  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    function asset($file)  | 
            
                            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->devAsset($file) ?? $this->twillAsset($file);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function twillAsset($file)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $manifest = $this->readManifest();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (isset($manifest[$file])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return asset($manifest[$file]);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return asset(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '/' . config('twill.public_directory', 'twill') . '/' . $file, | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getManifestFilename()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $fileName =  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            public_path(config('twill.public_directory', 'twill')) . | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            '/' .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            config('twill.manifest_file', 'twill-manifest.json'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (file_exists($fileName)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return $fileName;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return base_path(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'vendor/area17/twill/dist/assets/admin/twill-manifest.json',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function devAsset($file)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (!$this->devMode()) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return null;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $devServerUrl = config('twill.dev_mode_url', 'http://localhost:8080'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        try { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $manifest = $this->readJson(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $devServerUrl .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    '/' .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    config('twill.manifest_file', 'twill-manifest.json'), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } catch (\Exception $e) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            throw new \Exception(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'Twill dev assets manifest is missing. Make sure you are running the npm run serve command inside Twill.',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $devServerUrl . ($manifest[$file] ?? '/' . $file);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return mixed  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private function readManifest()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        try { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return Cache::rememberForever('twill-manifest', function () { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                return $this->readJson($this->getManifestFilename());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            });  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } catch (\Exception $e) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            throw new \Exception(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'Twill assets manifest is missing. Make sure you published/updated Twill assets using the "php artisan twill:update" command.',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    private function readJson($fileName)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        return json_decode(file_get_contents($fileName), true);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private function devMode()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return app()->environment('local', 'development') && | 
            
                            
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                            config('twill.dev_mode', false); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.