redirect /remote-users/:username@:hostname -> /users/:id, /remote-users/:hostname/:username -> /users/:id

src/components/remote_user_resolver/remote_user_resolver.js

@@ -0,0 +1,31 @@
+const RemoteUserResolver = {
+  data: () => ({
+    error: false
+  }),
+  mounted () {
+    this.redirect()
+  },
+  methods: {
+    redirect () {
+      const acct = this.$route.params.username + '@' + this.$route.params.hostname
+      this.$store.state.api.backendInteractor.fetchUser({ id: acct })
+        .then((externalUser) => {
+          if (externalUser.error) {
+            this.error = true
+          } else {
+            this.$store.commit('addNewUsers', [externalUser])
+            const id = externalUser.id
+            this.$router.replace({
+              name: 'external-user-profile',
+              params: { id }
+            })
+          }
+        })
+        .catch(() => {
+          this.error = true
+        })
+    }
+  }
+}
+
+export default RemoteUserResolver