Fix bug

src/server/web/docs.ts

@@ -16,6 +16,8 @@ import config from '../../config';
 import { licenseHtml } from '../../misc/license';
 const constants = require('../../const.json');
 import endpoints from '../api/endpoints';
+const locales = require('../../../locales');
+const nestedProperty = require('nested-property');
 
 async function genVars(lang: string): Promise<{ [key: string]: any }> {
 	const vars = {} as { [key: string]: any };
@@ -53,8 +55,7 @@ async function genVars(lang: string): Promise<{ [key: string]: any }> {
 
 	vars['license'] = licenseHtml;
 
-	//const i18n = new I18n(lang);
-	//vars['i18n'] = (key: string) => i18n.get(null, key);
+	vars['i18n'] = (key: string) => nestedProperty.get(locales[lang], key);
 
 	return vars;
 }