diff --git a/framework/core/js/lib/utils/app.js b/framework/core/js/lib/utils/app.js
index 8857a96d7..998b2d224 100644
--- a/framework/core/js/lib/utils/app.js
+++ b/framework/core/js/lib/utils/app.js
@@ -1,10 +1,12 @@
 import ItemList from 'flarum/utils/item-list';
 import Alert from 'flarum/components/alert';
 import ServerError from 'flarum/utils/server-error';
+import Translator from 'flarum/utils/translator';
 
 class App {
   constructor() {
     this.initializers = new ItemList();
+    this.translator = new Translator();
     this.cache = {};
     this.serverError = null;
   }
@@ -55,6 +57,10 @@ class App {
     var queryString = m.route.buildQueryString(params);
     return url+(queryString ? '?'+queryString : '');
   }
+
+  translate(key, input) {
+    return this.translator.translate(key, input);
+  }
 }
 
 export default App;
diff --git a/framework/core/js/lib/utils/translator.js b/framework/core/js/lib/utils/translator.js
new file mode 100644
index 000000000..e8235e864
--- /dev/null
+++ b/framework/core/js/lib/utils/translator.js
@@ -0,0 +1,32 @@
+export default class Translator {
+  constructor() {
+    this.translations = {};
+  }
+
+  plural(count) {
+    return count == 1 ? 'one' : 'other';
+  }
+
+  translate(key, input) {
+    var parts = key.split('.');
+    var translation = this.translations;
+
+    parts.forEach(function(part) {
+      translation = translation && translation[part];
+    });
+
+    if (typeof translation === 'object' && typeof input.count !== 'undefined') {
+      translation = translation[this.plural(input.count)];
+    }
+
+    if (typeof translation === 'string') {
+      for (var i in input) {
+        translation = translation.replace(new RegExp('{'+i+'}', 'gi'), input[i]);
+      }
+
+      return translation;
+    } else {
+      return key;
+    }
+  }
+}
diff --git a/framework/core/locale/en/config.js b/framework/core/locale/en/config.js
new file mode 100644
index 000000000..42739e270
--- /dev/null
+++ b/framework/core/locale/en/config.js
@@ -0,0 +1,3 @@
+app.translator.plural = function(count) {
+  return count == 1 ? 'one' : 'other';
+};
diff --git a/framework/core/locale/en/config.php b/framework/core/locale/en/config.php
new file mode 100644
index 000000000..3ca0f9cf2
--- /dev/null
+++ b/framework/core/locale/en/config.php
@@ -0,0 +1,7 @@
+<?php
+
+return [
+    'plural' => function ($count) {
+        return $count == 1 ? 'one' : 'other';
+    }
+];
diff --git a/framework/core/locale/en/translations.yml b/framework/core/locale/en/translations.yml
new file mode 100644
index 000000000..898cbf708
--- /dev/null
+++ b/framework/core/locale/en/translations.yml
@@ -0,0 +1,2 @@
+core:
+
diff --git a/framework/core/migrations/2015_02_24_000000_create_users_table.php b/framework/core/migrations/2015_02_24_000000_create_users_table.php
index ec637bfc0..31656606d 100644
--- a/framework/core/migrations/2015_02_24_000000_create_users_table.php
+++ b/framework/core/migrations/2015_02_24_000000_create_users_table.php
@@ -19,6 +19,7 @@ class CreateUsersTable extends Migration
             $table->string('email', 150)->unique();
             $table->boolean('is_activated')->default(0);
             $table->string('password', 100);
+            $table->string('locale', 10)->default('en');
             $table->text('bio')->nullable();
             $table->text('bio_html')->nullable();
             $table->string('avatar_path', 100)->nullable();
diff --git a/framework/core/src/Assets/AssetManager.php b/framework/core/src/Assets/AssetManager.php
new file mode 100644
index 000000000..1e6df4fc6
--- /dev/null
+++ b/framework/core/src/Assets/AssetManager.php
@@ -0,0 +1,60 @@
+<?php namespace Flarum\Assets;
+
+use RuntimeException;
+
+class AssetManager
+{
+    protected $less;
+
+    protected $js;
+
+    public function __construct(CompilerInterface $js, CompilerInterface $less)
+    {
+        $this->js = $js;
+        $this->less = $less;
+    }
+
+    public function addFile($file)
+    {
+        $ext = pathinfo($file, PATHINFO_EXTENSION);
+
+        switch ($ext) {
+            case 'js':
+                $this->js->addFile($file);
+                break;
+
+            case 'css':
+            case 'less':
+                $this->less->addFile($file);
+                break;
+
+            default:
+                throw new RuntimeException('Unsupported asset type: '.$ext);
+        }
+    }
+
+    public function addFiles(array $files)
+    {
+        array_walk($files, [$this, 'addFile']);
+    }
+
+    public function addLess($string)
+    {
+        $this->less->addString($string);
+    }
+
+    public function addJs($strings)
+    {
+        $this->js->addString($string);
+    }
+
+    public function getCssFile()
+    {
+        return $this->less->getFile();
+    }
+
+    public function getJsFile()
+    {
+        return $this->js->getFile();
+    }
+}
diff --git a/framework/core/src/Assets/CompilerInterface.php b/framework/core/src/Assets/CompilerInterface.php
new file mode 100644
index 000000000..a5946dde0
--- /dev/null
+++ b/framework/core/src/Assets/CompilerInterface.php
@@ -0,0 +1,10 @@
+<?php namespace Flarum\Assets;
+
+interface CompilerInterface
+{
+    public function addFile($file);
+
+    public function addString($string);
+
+    public function getFile();
+}
diff --git a/framework/core/src/Assets/JsCompiler.php b/framework/core/src/Assets/JsCompiler.php
new file mode 100644
index 000000000..3fc5a0c07
--- /dev/null
+++ b/framework/core/src/Assets/JsCompiler.php
@@ -0,0 +1,9 @@
+<?php namespace Flarum\Assets;
+
+class JsCompiler extends RevisionCompiler
+{
+    public function format($string)
+    {
+        return $string.';';
+    }
+}
diff --git a/framework/core/src/Assets/LessCompiler.php b/framework/core/src/Assets/LessCompiler.php
new file mode 100644
index 000000000..4483e1c0d
--- /dev/null
+++ b/framework/core/src/Assets/LessCompiler.php
@@ -0,0 +1,26 @@
+<?php namespace Flarum\Assets;
+
+use Less_Parser;
+
+class LessCompiler extends RevisionCompiler
+{
+    public function compile()
+    {
+        ini_set('xdebug.max_nesting_level', 200);
+
+        $parser = new Less_Parser([
+            'compress' => true,
+            'cache_dir' => storage_path().'/less'
+        ]);
+
+        foreach ($this->files as $file) {
+            $parser->parseFile($file);
+        }
+
+        foreach ($this->strings as $string) {
+            $parser->parse($string);
+        }
+
+        return $parser->getCss();
+    }
+}
diff --git a/framework/core/src/Assets/RevisionCompiler.php b/framework/core/src/Assets/RevisionCompiler.php
new file mode 100644
index 000000000..171732630
--- /dev/null
+++ b/framework/core/src/Assets/RevisionCompiler.php
@@ -0,0 +1,95 @@
+<?php namespace Flarum\Assets;
+
+use Illuminate\Support\Str;
+
+class RevisionCompiler implements CompilerInterface
+{
+    protected $files = [];
+
+    protected $strings = [];
+
+    public function __construct($path, $filename)
+    {
+        $this->path = $path;
+        $this->filename = $filename;
+    }
+
+    public function addFile($file)
+    {
+        $this->files[] = $file;
+    }
+
+    public function addString($string)
+    {
+        $this->strings[] = $string;
+    }
+
+    public function getFile()
+    {
+        if (! ($revision = $this->getRevision())) {
+            $revision = Str::quickRandom();
+            $this->putRevision($revision);
+        }
+
+        $lastModTime = 0;
+        foreach ($this->files as $file) {
+            $lastModTime = max($lastModTime, filemtime($file));
+        }
+
+        $ext = pathinfo($this->filename, PATHINFO_EXTENSION);
+        $file = $this->path.'/'.substr_replace($this->filename, '-'.$revision, -strlen($ext) - 1, 0);
+
+        if (! file_exists($file)
+            || filemtime($file) < $lastModTime) {
+            file_put_contents($file, $this->compile());
+        }
+
+        return $file;
+    }
+
+    protected function format($string)
+    {
+        return $string;
+    }
+
+    protected function compile()
+    {
+        $output = '';
+
+        foreach ($this->files as $file) {
+            $output .= $this->format(file_get_contents($file));
+        }
+
+        foreach ($this->strings as $string) {
+            $output .= $this->format($string);
+        }
+
+        return $output;
+    }
+
+    protected function getRevisionFile()
+    {
+        return $this->path.'/rev-manifest.json';
+    }
+
+    protected function getRevision()
+    {
+        if (file_exists($file = $this->getRevisionFile())) {
+            $manifest = json_decode(file_get_contents($file), true);
+            return array_get($manifest, $this->filename);
+        }
+    }
+
+    protected function putRevision($revision)
+    {
+        if (file_exists($file = $this->getRevisionFile())) {
+            $manifest = json_decode(file_get_contents($file), true);
+        } else {
+            $manifest = [];
+        }
+
+        $manifest[$this->filename] = $revision;
+
+        return file_put_contents($this->getRevisionFile(), json_encode($manifest));
+    }
+}
diff --git a/framework/core/src/Core/CoreServiceProvider.php b/framework/core/src/Core/CoreServiceProvider.php
index 5556a18f7..5ff1ec549 100644
--- a/framework/core/src/Core/CoreServiceProvider.php
+++ b/framework/core/src/Core/CoreServiceProvider.php
@@ -18,6 +18,7 @@ use Flarum\Core\Events\RegisterUserGambits;
 use Flarum\Extend\Permission;
 use Flarum\Extend\ActivityType;
 use Flarum\Extend\NotificationType;
+use Flarum\Extend\Locale;
 
 class CoreServiceProvider extends ServiceProvider
 {
@@ -56,6 +57,17 @@ class CoreServiceProvider extends ServiceProvider
             (new ActivityType('Flarum\Core\Activity\StartedDiscussionActivity', 'Flarum\Api\Serializers\PostBasicSerializer')),
             (new ActivityType('Flarum\Core\Activity\JoinedActivity', 'Flarum\Api\Serializers\UserBasicSerializer'))
         );
+
+        foreach (['en'] as $locale) {
+            $dir = __DIR__.'/../../locale/'.$locale;
+
+            $this->extend(
+                (new Locale($locale))
+                    ->translations($dir.'/translations.yml')
+                    ->config($dir.'/config.php')
+                    ->js($dir.'/config.js')
+            );
+        }
     }
 
     /**
@@ -72,6 +84,8 @@ class CoreServiceProvider extends ServiceProvider
 
         $this->app->singleton('flarum.formatter', 'Flarum\Core\Formatter\FormatterManager');
 
+        $this->app->singleton('flarum.localeManager', 'Flarum\Locale\LocaleManager');
+
         $this->app->bind(
             'Flarum\Core\Repositories\DiscussionRepositoryInterface',
             'Flarum\Core\Repositories\EloquentDiscussionRepository'
diff --git a/framework/core/src/Core/Seeders/ConfigTableSeeder.php b/framework/core/src/Core/Seeders/ConfigTableSeeder.php
index 96d58846e..8efb0adc7 100644
--- a/framework/core/src/Core/Seeders/ConfigTableSeeder.php
+++ b/framework/core/src/Core/Seeders/ConfigTableSeeder.php
@@ -20,6 +20,7 @@ class ConfigTableSeeder extends Seeder
             'welcome_message'       => 'Flarum is now at a point where you can have basic conversations, so here is a little demo for you to break.',
             'welcome_title'         => 'Welcome to Flarum Demo Forum',
             'extensions_enabled'    => '[]',
+            'locale'                => 'en',
             'theme_primary_color'   => '#536F90',
             'theme_secondary_color' => '#536F90',
             'theme_dark_mode'       => false,
diff --git a/framework/core/src/Extend/AdminTranslations.php b/framework/core/src/Extend/AdminTranslations.php
new file mode 100644
index 000000000..bea1f8fbb
--- /dev/null
+++ b/framework/core/src/Extend/AdminTranslations.php
@@ -0,0 +1,18 @@
+<?php namespace Flarum\Extend;
+
+use Illuminate\Contracts\Container\Container;
+
+class AdminTranslations implements ExtenderInterface
+{
+    protected $keys;
+
+    public function __construct($keys)
+    {
+        $this->keys = $keys;
+    }
+
+    public function extend(Container $container)
+    {
+
+    }
+}
diff --git a/framework/core/src/Extend/ForumAssets.php b/framework/core/src/Extend/ForumAssets.php
index 20fb0a260..7071f8eff 100644
--- a/framework/core/src/Extend/ForumAssets.php
+++ b/framework/core/src/Extend/ForumAssets.php
@@ -14,7 +14,7 @@ class ForumAssets implements ExtenderInterface
     public function extend(Application $app)
     {
         $app['events']->listen('Flarum\Forum\Events\RenderView', function ($event) {
-            $event->assets->addFile($this->files);
+            $event->assets->addFiles($this->files);
         });
     }
 }
diff --git a/framework/core/src/Extend/ForumTranslations.php b/framework/core/src/Extend/ForumTranslations.php
new file mode 100644
index 000000000..3fae872d1
--- /dev/null
+++ b/framework/core/src/Extend/ForumTranslations.php
@@ -0,0 +1,19 @@
+<?php namespace Flarum\Extend;
+
+use Illuminate\Foundation\Application;
+use Flarum\Forum\Actions\IndexAction;
+
+class ForumTranslations implements ExtenderInterface
+{
+    protected $keys;
+
+    public function __construct($keys)
+    {
+        $this->keys = $keys;
+    }
+
+    public function extend(Application $container)
+    {
+        IndexAction::$translations = array_merge(IndexAction::$translations, $this->keys);
+    }
+}
diff --git a/framework/core/src/Extend/Locale.php b/framework/core/src/Extend/Locale.php
new file mode 100644
index 000000000..817a92d2c
--- /dev/null
+++ b/framework/core/src/Extend/Locale.php
@@ -0,0 +1,57 @@
+<?php namespace Flarum\Extend;
+
+use Illuminate\Foundation\Application;
+
+class Locale implements ExtenderInterface
+{
+    protected $locale;
+
+    protected $translations;
+
+    protected $config;
+
+    protected $js;
+
+    public function __construct($locale)
+    {
+        $this->locale = $locale;
+    }
+
+    public function translations($translations)
+    {
+        $this->translations = $translations;
+
+        return $this;
+    }
+
+    public function config($config)
+    {
+        $this->config = $config;
+
+        return $this;
+    }
+
+    public function js($js)
+    {
+        $this->js = $js;
+
+        return $this;
+    }
+
+    public function extend(Application $container)
+    {
+        $manager = $container->make('flarum.localeManager');
+
+        if ($this->translations) {
+            $manager->addTranslations($this->locale, $this->translations);
+        }
+
+        if ($this->config) {
+            $manager->addConfig($this->locale, $this->config);
+        }
+
+        if ($this->js) {
+            $manager->addJsFile($this->locale, $this->js);
+        }
+    }
+}
diff --git a/framework/core/src/Forum/Actions/IndexAction.php b/framework/core/src/Forum/Actions/IndexAction.php
index 18f70afec..c1d36890b 100644
--- a/framework/core/src/Forum/Actions/IndexAction.php
+++ b/framework/core/src/Forum/Actions/IndexAction.php
@@ -10,9 +10,15 @@ use DB;
 use Flarum\Forum\Events\RenderView;
 use Flarum\Api\Request as ApiRequest;
 use Flarum\Core;
+use Flarum\Assets\AssetManager;
+use Flarum\Assets\JsCompiler;
+use Flarum\Assets\LessCompiler;
+use Flarum\Locale\JsCompiler as LocaleJsCompiler;
 
 class IndexAction extends BaseAction
 {
+    public static $translations = [];
+
     public function handle(Request $request, $params = [])
     {
         $config = DB::table('config')->whereIn('key', ['base_url', 'api_url', 'forum_title', 'welcome_title', 'welcome_message'])->lists('value', 'key');
@@ -44,23 +50,63 @@ class IndexAction extends BaseAction
             ->with('session', $session)
             ->with('alert', $alert);
 
-        $assetManager = app('flarum.forum.assetManager');
         $root = __DIR__.'/../../..';
-        $assetManager->addFile([
-            $root.'/js/forum/dist/app.js',
-            $root.'/less/forum/app.less'
-        ]);
-        $assetManager->addLess('
-            @fl-primary-color: '.Core::config('theme_primary_color').';
-            @fl-secondary-color: '.Core::config('theme_secondary_color').';
-            @fl-dark-mode: '.(Core::config('theme_dark_mode') ? 'true' : 'false').';
-            @fl-colored_header: '.(Core::config('theme_colored_header') ? 'true' : 'false').';
-        ');
+        $public = public_path().'/assets';
 
-        event(new RenderView($view, $assetManager, $this));
+        $assets = new AssetManager(
+            new JsCompiler($public, 'forum.js'),
+            new LessCompiler($public, 'forum.css')
+        );
+
+        $assets->addFile($root.'/js/forum/dist/app.js');
+        $assets->addFile($root.'/less/forum/app.less');
+
+        $variables = [
+            'fl-primary-color'   => Core::config('theme_primary_color', '#000'),
+            'fl-secondary-color' => Core::config('theme_secondary_color', '#000'),
+            'fl-dark-mode'       => Core::config('theme_dark_mode') ? 'true' : 'false',
+            'fl-colored-header'  => Core::config('theme_colored_header') ? 'true' : 'false'
+        ];
+        foreach ($variables as $name => $value) {
+            $assets->addLess("@$name: $value;");
+        }
+
+        $locale = $user->locale ?: Core::config('locale', 'en');
+
+        $localeManager = app('flarum.localeManager');
+        $translations = $localeManager->getTranslations($locale);
+        $jsFiles = $localeManager->getJsFiles($locale);
+
+        $localeCompiler = new LocaleJsCompiler($public, 'locale-'.$locale.'.js');
+        $localeCompiler->setTranslations(static::filterTranslations($translations));
+        array_walk($jsFiles, [$localeCompiler, 'addFile']);
+
+        event(new RenderView($view, $assets, $this));
 
         return $view
-            ->with('styles', $assetManager->getCSSFiles())
-            ->with('scripts', $assetManager->getJSFiles());
+            ->with('styles', [$assets->getCssFile()])
+            ->with('scripts', [$assets->getJsFile(), $localeCompiler->getFile()]);
+    }
+
+    protected static function filterTranslations($translations)
+    {
+        $filtered = [];
+
+        foreach (static::$translations as $key) {
+            $parts = explode('.', $key);
+            $level = &$filtered;
+
+            foreach ($parts as $part) {
+                if (! isset($level[$part])) {
+                    $level[$part] = [];
+                }
+
+                $level = &$level[$part];
+            }
+
+            $level = array_get($translations, $key);
+        }
+
+        return $filtered;
     }
 }
diff --git a/framework/core/src/Forum/ForumServiceProvider.php b/framework/core/src/Forum/ForumServiceProvider.php
index 9ce974e34..67a6f4374 100644
--- a/framework/core/src/Forum/ForumServiceProvider.php
+++ b/framework/core/src/Forum/ForumServiceProvider.php
@@ -1,7 +1,8 @@
 <?php namespace Flarum\Forum;
 
-use Illuminate\Support\ServiceProvider;
+use Flarum\Support\ServiceProvider;
 use Flarum\Support\AssetManager;
+use Flarum\Extend\ForumTranslations;
 
 class ForumServiceProvider extends ServiceProvider
 {
@@ -21,6 +22,12 @@ class ForumServiceProvider extends ServiceProvider
         ]);
 
         include __DIR__.'/routes.php';
+
+        $this->extend(
+            new ForumTranslations([
+                //
+            ])
+        );
     }
 
     /**
diff --git a/framework/core/src/Locale/JsCompiler.php b/framework/core/src/Locale/JsCompiler.php
new file mode 100644
index 000000000..de2d82b3c
--- /dev/null
+++ b/framework/core/src/Locale/JsCompiler.php
@@ -0,0 +1,24 @@
+<?php namespace Flarum\Locale;
+
+use Flarum\Assets\RevisionCompiler;
+
+class JsCompiler extends RevisionCompiler
+{
+    protected $translations = [];
+
+    public function setTranslations(array $translations)
+    {
+        $this->translations = $translations;
+    }
+
+    public function compile()
+    {
+        $output = "var app = require('flarum/app')['default']; app.translator.translations = ".json_encode($this->translations).";";
+
+        foreach ($this->files as $filename) {
+            $output .= file_get_contents($filename);
+        }
+
+        return $output;
+    }
+}
diff --git a/framework/core/src/Locale/LocaleManager.php b/framework/core/src/Locale/LocaleManager.php
new file mode 100644
index 000000000..bc9e600e8
--- /dev/null
+++ b/framework/core/src/Locale/LocaleManager.php
@@ -0,0 +1,65 @@
+<?php namespace Flarum\Locale;
+
+class LocaleManager
+{
+    protected $translations = [];
+
+    protected $js = [];
+
+    protected $config = [];
+
+    public function addTranslations($locale, $translations)
+    {
+        if (! isset($this->translations[$locale])) {
+            $this->translations[$locale] = [];
+        }
+
+        $this->translations[$locale][] = $translations;
+    }
+
+    public function addJsFile($locale, $js)
+    {
+        if (! isset($this->js[$locale])) {
+            $this->js[$locale] = [];
+        }
+
+        $this->js[$locale][] = $js;
+    }
+
+    public function addConfig($locale, $config)
+    {
+        if (! isset($this->config[$locale])) {
+            $this->config[$locale] = [];
+        }
+
+        $this->config[$locale][] = $config;
+    }
+
+    public function getTranslations($locale)
+    {
+        $files = array_get($this->translations, $locale, []);
+
+        $parts = explode('-', $locale);
+
+        if (count($parts) > 1) {
+            $files = array_merge(array_get($this->translations, $parts[0], []), $files);
+        }
+
+        $compiler = new TranslationCompiler($locale, $files);
+
+        return $compiler->getTranslations();
+    }
+
+    public function getJsFiles($locale)
+    {
+        $files = array_get($this->js, $locale, []);
+
+        $parts = explode('-', $locale);
+
+        if (count($parts) > 1) {
+            $files = array_merge(array_get($this->js, $parts[0], []), $files);
+        }
+
+        return $files;
+    }
+}
diff --git a/framework/core/src/Locale/TranslationCompiler.php b/framework/core/src/Locale/TranslationCompiler.php
new file mode 100644
index 000000000..ce625007a
--- /dev/null
+++ b/framework/core/src/Locale/TranslationCompiler.php
@@ -0,0 +1,29 @@
+<?php namespace Flarum\Locale;
+
+use Symfony\Component\Yaml\Yaml;
+
+class TranslationCompiler
+{
+    protected $locale;
+
+    protected $filenames;
+
+    public function __construct($locale, array $filenames)
+    {
+        $this->locale = $locale;
+        $this->filenames = $filenames;
+    }
+
+    public function getTranslations()
+    {
+        // @todo caching
+
+        $translations = [];
+
+        foreach ($this->filenames as $filename) {
+            $translations = array_replace_recursive($translations, Yaml::parse(file_get_contents($filename)));
+        }
+
+        return $translations;
+    }
+}
diff --git a/framework/core/src/Locale/Translator.php b/framework/core/src/Locale/Translator.php
new file mode 100644
index 000000000..239df50c9
--- /dev/null
+++ b/framework/core/src/Locale/Translator.php
@@ -0,0 +1,42 @@
+<?php namespace Flarum\Locale;
+
+use Closure;
+
+class Translator
+{
+    protected $translations;
+
+    protected $plural;
+
+    public function __construct(array $translations, Closure $plural)
+    {
+        $this->translations = $translations;
+        $this->plural = $plural;
+    }
+
+    public function plural($count)
+    {
+        $callback = $this->plural;
+
+        return $callback($count);
+    }
+
+    public function translate($key, array $input = [])
+    {
+        $translation = array_get($this->translations, $key);
+
+        if (is_array($translation) && isset($input['count'])) {
+            $translation = $translation[$this->plural($input['count'])];
+        }
+
+        if (is_string($translation)) {
+            foreach ($input as $k => $v) {
+                $translation = str_replace('{'.$k.'}', $v, $translation);
+            }
+
+            return $translation;
+        } else {
+            return $key;
+        }
+    }
+}
diff --git a/framework/core/src/Support/AssetManager.php b/framework/core/src/Support/AssetManager.php
deleted file mode 100644
index dd511c366..000000000
--- a/framework/core/src/Support/AssetManager.php
+++ /dev/null
@@ -1,163 +0,0 @@
-<?php namespace Flarum\Support;
-
-use Illuminate\Filesystem\Filesystem;
-use Illuminate\Support\Str;
-use Cache;
-use Less_Parser;
-use Closure;
-
-class AssetManager
-{
-    protected $files = [
-        'css' => [],
-        'js' => [],
-        'less' => []
-    ];
-
-    protected $less = [];
-
-    protected $publicPath;
-
-    protected $name;
-
-    protected $storage;
-
-    public function __construct(Filesystem $storage, $publicPath, $name)
-    {
-        $this->storage = $storage;
-        $this->publicPath = $publicPath;
-        $this->name = $name;
-    }
-
-    public function addFile($files)
-    {
-        foreach ((array) $files as $file) {
-            $ext = pathinfo($file, PATHINFO_EXTENSION);
-            $this->files[$ext][] = $file;
-        }
-    }
-
-    public function addLess($strings)
-    {
-        foreach ((array) $strings as $string) {
-            $this->less[] = $string;
-        }
-    }
-
-    protected function getAssetDirectory()
-    {
-        $dir = $this->publicPath;
-        if (! $this->storage->isDirectory($dir)) {
-            $this->storage->makeDirectory($dir);
-        }
-        return $dir;
-    }
-
-    protected function getRevisionFile()
-    {
-        return $this->getAssetDirectory().'/'.$this->name;
-    }
-
-    protected function getRevision()
-    {
-        if (file_exists($file = $this->getRevisionFile())) {
-            return file_get_contents($file);
-        }
-    }
-
-    protected function putRevision($revision)
-    {
-        return file_put_contents($this->getRevisionFile(), $revision);
-    }
-
-    protected function getFiles($type, Closure $callback)
-    {
-        $dir = $this->getAssetDirectory();
-
-        if (! ($revision = $this->getRevision())) {
-            $revision = Str::quickRandom();
-            $this->putRevision($revision);
-        }
-
-        $lastModTime = 0;
-        foreach ($this->files[$type] as $file) {
-            $lastModTime = max($lastModTime, filemtime($file));
-        }
-
-        if (! file_exists($file = $dir.'/'.$this->name.'-'.$revision.'.'.$type)
-            || filemtime($file) < $lastModTime) {
-            $this->storage->put($file, $callback());
-        }
-
-        return [$file];
-    }
-
-    public function clearCache()
-    {
-        if ($revision = $this->getRevision()) {
-            $dir = $this->getAssetDirectory();
-            foreach (['css', 'js'] as $type) {
-                @unlink($dir.'/'.$this->name.'-'.$revision.'.'.$type);
-            }
-        }
-    }
-
-    public function getCSSFiles()
-    {
-        return $this->getFiles('css', function () {
-            return $this->compileCSS();
-        });
-    }
-
-    public function getJSFiles()
-    {
-        return $this->getFiles('js', function () {
-            return $this->compileJS();
-        });
-    }
-
-    public function compileLess()
-    {
-        ini_set('xdebug.max_nesting_level', 200);
-
-        $parser = new Less_Parser(['compress' => true, 'cache_dir' => storage_path().'/less']);
-
-        $css = [];
-        $dir = $this->getAssetDirectory();
-        foreach ($this->files['less'] as $file) {
-            $parser->parseFile($file);
-        }
-
-        foreach ($this->less as $less) {
-            $parser->parse($less);
-        }
-
-        return $parser->getCss();
-    }
-
-    public function compileCSS()
-    {
-        $css = $this->compileLess();
-
-        foreach ($this->files['css'] as $file) {
-            $css .= $this->storage->get($file);
-        }
-
-        // minify
-
-        return $css;
-    }
-
-    public function compileJS()
-    {
-        $js = '';
-
-        foreach ($this->files['js'] as $file) {
-            $js .= $this->storage->get($file).';';
-        }
-
-        // minify
-
-        return $js;
-    }
-}