Fix problem with missing loginData

TODO.txt

@@ -14,3 +14,4 @@ Some features that need to be implemented
 - Better responsive interface
 - Websockets? Show new channels and new items in channels directly, needs
   micropub server support
+- Improve handling of entries with missing values (like missing author)

src/App.vue

@@ -31,8 +31,11 @@
     name: 'App',
     components: {LoginModal},
     mounted() {
-      let loginData = JSON.parse(window.localStorage.getItem('login_data'))
-      this.$store.dispatch('isLoggedIn', loginData)
+      let item = window.localStorage.getItem('login_data');
+      if (item) {
+        let loginData = JSON.parse(item)
+        this.$store.dispatch('isLoggedIn', loginData)
+      }
     }
   }
 </script>

src/components/LoginModal.vue

@@ -84,7 +84,7 @@
       }).then(response => response.json())
         .then(response => {
           this.$store.dispatch('tokenResponse', response)
-          this.active = false
+          this.show = false
           this.$router.push('/')
         })
     }

src/store.js

@@ -8,14 +8,17 @@ Vue.use(Vuex)
 export default new Vuex.Store({
   state() {
     let loginData = JSON.parse(window.localStorage.getItem('login_data'))
-    return {
-      ...loginData,
+    let newState = {
       channels: [],
       timeline: {items: [], paging: {}},
       channel: {},
       debug: false,
-      logged_in: loginData.access_token && loginData.access_token.length > 0
+    };
+    if (loginData) {
+      newState = { ...newState, ...loginData }
+      newState.logged_in = loginData.access_token && loginData.access_token.length > 0
     }
+    return newState
   },
 
   mutations: {