highlight active language #1730 (#1741)

lnbits/core/static/js/service-worker.js

@@ -1,6 +1,6 @@
 // update cache version every time there is a new deployment
 // so the service worker reinitializes the cache
-const CACHE_VERSION = 34
+const CACHE_VERSION = 35
 const CURRENT_CACHE = `lnbits-${CACHE_VERSION}-`
 
 const getApiKey = request => {

lnbits/static/js/base.js

@@ -350,6 +350,9 @@ window.windowMixin = {
   },
 
   methods: {
+    activeLanguage: function (lang) {
+      return window.i18n.locale === lang
+    },
     changeLanguage: function (newValue) {
       window.i18n.locale = newValue
       this.$q.localStorage.set('lnbits.lang', newValue)

lnbits/templates/base.html

@@ -82,6 +82,7 @@
               <q-item
                 clickable
                 v-close-popup
+                :active="activeLanguage(lang.value)"
                 @click="changeLanguage(lang.value)"
                 ><q-item-section>
                   {% raw %}