[optimize] read SSR Language value (fix #9)

Author: TechQuery

package.json

@@ -1,6 +1,6 @@
 {
     "name": "mobx-i18n",
-    "version": "0.7.0",
+    "version": "0.7.1",
     "license": "LGPL-3.0",
     "author": "[email protected]",
     "description": "Responsive Translation utility based on TypeScript & MobX",

source/Translation.ts

@@ -51,6 +51,7 @@ export class TranslationModel<Name extends string, Key extends string> {
         if (!globalThis.window) return;
 
         const languages = [
+            document.documentElement.lang,
             parseCookie().language,
             ...(navigator.languages || [this.defaultLanguage])
         ].filter(Boolean) as Name[];