navigation refactored, used in mobile nav as well

src/components/navigation/navigation_entry.js

@@ -0,0 +1,32 @@
+import { mapState } from 'vuex'
+import { library } from '@fortawesome/fontawesome-svg-core'
+import { faThumbtack } from '@fortawesome/free-solid-svg-icons'
+
+library.add(faThumbtack)
+
+const NavigationEntry = {
+  props: ['item', 'showPin'],
+  methods: {
+    isPinned (value) {
+      return this.pinnedItems.has(value)
+    },
+    togglePin (value) {
+      if (this.isPinned(value)) {
+        this.$store.commit('removeCollectionPreference', { path: 'collections.pinnedNavItems', value })
+      } else {
+        this.$store.commit('addCollectionPreference', { path: 'collections.pinnedNavItems', value })
+      }
+    }
+  },
+  computed: {
+    getters () {
+      return this.$store.getters
+    },
+    ...mapState({
+      currentUser: state => state.users.currentUser,
+      pinnedItems: state => new Set(state.serverSideStorage.prefsStorage.collections.pinnedNavItems)
+    })
+  }
+}
+
+export default NavigationEntry