diff --git a/src/Event/ConfigureLocales.php b/src/Event/ConfigureLocales.php
index 8ecf98518..64044e7c4 100644
--- a/src/Event/ConfigureLocales.php
+++ b/src/Event/ConfigureLocales.php
@@ -10,7 +10,9 @@
 
 namespace Flarum\Event;
 
+use DirectoryIterator;
 use Flarum\Locale\LocaleManager;
+use RuntimeException;
 
 class ConfigureLocales
 {
@@ -26,4 +28,45 @@ class ConfigureLocales
     {
         $this->locales = $locales;
     }
+
+    /**
+     * Load language pack resources from the given directory.
+     *
+     * @param $directory
+     */
+    public function loadLanguagePackFrom($directory)
+    {
+        $name = $title = basename($directory);
+
+        if (file_exists($manifest = __DIR__.'/composer.json')) {
+            $json = json_decode(file_get_contents($manifest), true);
+
+            if (empty($json)) {
+                throw new RuntimeException("Error parsing composer.json in $name: ".json_last_error_msg());
+            }
+
+            $locale = array_get($json, 'extra.flarum-locale.code');
+            $title = array_get($json, 'extra.flarum-locale.title', $title);
+        }
+
+        if (! isset($locale)) {
+            throw new RuntimeException("Language pack $name must define \"extra.flarum-locale.code\" in composer.json.");
+        }
+
+        $this->locales->addLocale($locale, $title);
+
+        if (! is_dir($localeDir = __DIR__.'/locale')) {
+            throw new RuntimeException("Language pack $name must have a \"locale\" subdirectory.");
+        }
+
+        if (file_exists($file = $localeDir.'/config.js')) {
+            $this->locales->addJsFile($locale, $file);
+        }
+
+        foreach (new DirectoryIterator($localeDir) as $file) {
+            if ($file->isFile() && in_array($file->getExtension(), ['yml', 'yaml'])) {
+                $this->locales->addTranslations($locale, $file->getPathname());
+            }
+        }
+    }
 }