feat(#429): add id and uuid watch (#430)

* feat(#429): add id and uuid watch

* chore(#429): add test coverage

.changeset/fast-bottles-yell.md

@@ -0,0 +1,5 @@
+---
+"druxt-blocks": minor
+---
+
+feat(#429): Added watch for ID and UUID to the DruxtBlock component.

packages/blocks/src/components/DruxtBlock.vue

@@ -70,6 +70,16 @@ export default {
     block: ({ resource }) => (resource || {}).data,
   },
 
+  watch: {
+    id() {
+      this.$fetch()
+    },
+
+    uuid() {
+      this.$fetch()
+    }
+  },
+
   methods: {
     /**
      * Maps Vuex action to methods.

packages/blocks/test/components/DruxtBlock.test.js

@@ -146,4 +146,15 @@ describe('Component - DruxtBlock', () => {
       block: wrapper.vm.block,
     })
   })
+
+  test('watch - props $fetch', async () => {
+    const $fetch = jest.fn()
+    expect($fetch).toHaveBeenCalledTimes(0)
+
+    DruxtBlock.watch.id.call({ $fetch })
+    expect($fetch).toHaveBeenCalledTimes(1)
+
+    DruxtBlock.watch.uuid.call({ $fetch })
+    expect($fetch).toHaveBeenCalledTimes(2)
+  })
 })