diff --git a/.gitignore b/.gitignore
index 8c2fb9405..f49c95e55 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,25 +7,15 @@ storage/framework/*
/.idea
/nbproject
-package-lock.json
-composer.lock
node_modules
-
-_ide_helper_models.php
+*.log
_ide_helper.php
-
-sami.phar
-/.sami
+.phpstorm.meta.php
+.php_cs.cache
+public/assets/*
# For local development with docker
# Remove if we ever put the Dockerfile in the repo
.dockerignore
Dockerfile
docker-compose.yml
-# for image related files
-misc
-.phpstorm.meta.php
-.php_cs.cache
-
-# Vagrant
-*.log
diff --git a/app/Services/Helpers/AssetHashService.php b/app/Services/Helpers/AssetHashService.php
new file mode 100644
index 000000000..181e84fd1
--- /dev/null
+++ b/app/Services/Helpers/AssetHashService.php
@@ -0,0 +1,128 @@
+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 getUrl(string $resource): string
+ {
+ $file = last(explode('/', $resource));
+
+ return '/' . ltrim(str_replace($file, array_get($this->getManifest(), $file, $file), $resource), '/');
+ }
+
+ /**
+ * Get the asset manifest and store it in the cache for quicker lookups.
+ *
+ * @return array
+ * @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
+ */
+ public function getManifest(): array
+ {
+ if (! is_null(self::$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;
+ }
+
+ /**
+ * Get the URL for a resource in a static context.
+ *
+ * @param string $resource
+ * @return string
+ *
+ * @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
+ */
+ public static function url(string $resource): string
+ {
+ return Container::getInstance()->make(self::class)->getUrl($resource);
+ }
+
+ /**
+ * @param string $resource
+ * @return string
+ * @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
+ */
+ public static function css(string $resource): string
+ {
+ $path = self::url($resource);
+
+ return '';
+ }
+
+ /**
+ * @param string $resource
+ * @return string
+ * @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
+ */
+ public static function js(string $resource): string
+ {
+ $path = self::url($resource);
+
+ return '