application = $application; $this->cache = $cache; $this->filesystem = $filesystem->createLocalDriver(['root' => public_path()]); } /** * Modify a URL to append the asset hash. * * @param string $resource * @return string * * @throws \Illuminate\Contracts\Filesystem\FileNotFoundException */ public function url(string $resource): string { $file = last(explode('/', $resource)); $data = array_get($this->manifest(), $file, $file); return str_replace($file, array_get($data, 'src', $file), $resource); } /** * Return the data integrity hash for a resource. * * @param string $resource * @return string * * @throws \Illuminate\Contracts\Filesystem\FileNotFoundException */ public function integrity(string $resource): string { $file = last(explode('/', $resource)); $data = array_get($this->manifest(), $file, $file); return array_get($data, 'integrity', ''); } /** * Return a built CSS import using the provided URL. * * @param string $resource * @return string * * @throws \Illuminate\Contracts\Filesystem\FileNotFoundException */ public function css(string $resource): string { return ''; } /** * Return a built JS import using the provided URL. * * @param string $resource * @return string * * @throws \Illuminate\Contracts\Filesystem\FileNotFoundException */ public function js(string $resource): string { return ''; } /** * Get the asset manifest and store it in the cache for quicker lookups. * * @return array * * @throws \Illuminate\Contracts\Filesystem\FileNotFoundException */ protected function manifest(): array { if (! is_null(self::$manifest)) { return self::$manifest; } // Skip checking the cache if we are not in production. if ($this->application->environment() === 'production') { $stored = $this->cache->get('Core:AssetManifest'); if (! is_null($stored)) { return self::$manifest = $stored; } } $contents = json_decode($this->filesystem->get(self::MANIFEST_PATH), true); $this->cache->put('Core:AssetManifest', $contents, 1440); return self::$manifest = $contents; } }