Updated the .blocks request so it doesn't ask for a delta, also fixed a bug when no root block is selected.

Author: ray-millward-tessella

src/malcolm/malcolmActionCreators.js

@@ -23,12 +23,12 @@ export const malcolmGetAction = path => ({
   },
 });
 
-export const malcolmSubscribeAction = path => ({
+export const malcolmSubscribeAction = (path, delta = true) => ({
   type: MalcolmSend,
   payload: {
     typeid: 'malcolm:core/Subscribe:1.0',
     path,
-    delta: true,
+    delta,
   },
 });
 

src/malcolm/middleware/malcolmRouting.js

@@ -16,7 +16,7 @@ const handleLocationChange = (path, blocks, dispatch) => {
 
   // Get the root list of blocks
   dispatch(malcolmNewBlockAction('.blocks', false, false));
-  dispatch(malcolmSubscribeAction(['.', 'blocks']));
+  dispatch(malcolmSubscribeAction(['.', 'blocks'], false));
 
   for (let i = 0; i < tokens.length; i += 1) {
     if (i % 2 === 0) {

src/malcolm/reducer/navigation.reducer.js

@@ -6,15 +6,6 @@ export const processNavigationLists = (paths, blocks) => {
     label: p,
   }));
 
-  if (navigationLists.length === 0) {
-    navigationLists.push({
-      path: '',
-      children: [],
-      basePath: '/',
-      label: '',
-    });
-  }
-
   const rootNav = {
     path: '',
     children: [],