tested shared Vuex store, created d8 userblock, enabled JSONAPI module

web/themes/custom/materiotheme/vuejs/components/Content/Test.vue

@@ -0,0 +1,22 @@
+<template lang="html">
+  <div id="block-pagetitle" class="">
+    <h1>Test Shared Store ( logged in: {{ isloggedin }} )</h1>
+    <h2 v-if="isloggedin">Shared store is working</h2>
+  </div>
+</template>
+
+<script>
+import { mapState, mapActions } from 'vuex'
+
+export default {
+  computed: {
+    ...mapState({
+      token: state => state.User.token,
+      isloggedin: state => state.User.isloggedin
+    })
+  }
+}
+</script>
+
+<style lang="scss" scoped>
+</style>

web/themes/custom/materiotheme/vuejs/components/User/UserBlock.vue

@@ -1,5 +1,5 @@
 <template lang="html">
-  <UserTools v-if="token" />
+  <UserTools v-if="isloggedin" />
   <Login v-else />
 </template>
 
@@ -15,7 +15,7 @@ export default {
   // },
   computed: {
     ...mapState({
-      token: state => state.User.token
+      isloggedin: state => state.User.isloggedin
     })
   },
   components: {