i18n

src/store/language.js

@@ -0,0 +1,27 @@
+import app from '../main';
+
+export default {
+  namespaced: true,
+  state: {
+    lang: null,
+    all: [
+      { name: 'English', code: 'en' },
+      { name: 'Estonian', code: 'est' },
+    ],
+  },
+  mutations: {
+    lang(state, lang) {
+      state.lang = lang;
+    },
+  },
+  actions: {
+    changeLanguage({ commit }, lang) {
+      app.$i18n.i18next.changeLanguage(lang.code);
+      app.$router.push({ query: { ...app.$route.query, lang: lang.code } });
+      commit('lang', lang);
+    },
+    initLanguage({ commit, state }, code) {
+      commit('lang', state.all.find(lang => lang.code === code));
+    },
+  },
+};

src/store/store.js

@@ -19,6 +19,7 @@ import teamFields from '@/store/team-fields';
 import themes from '@/store/themes';
 import taxes from '@/store/taxes';
 import data from '@/store/data';
+import language from '@/store/language';
 import ClientField from '@/store/models/client-field';
 import TeamField from '@/store/models/team-field';
 import InvoiceClientField from '@/store/models/invoice-client-field';
@@ -58,6 +59,7 @@ export default new Vuex.Store({
     themes,
     taxes,
     data,
+    language,
   },
   state: {},
   mutations: {},