feat(refs): resolve non-existant nested refs

Author: posva

src/index.js

@@ -79,6 +79,7 @@ function subscribeToDocument ({ ref, obj, key, depth, resolve }) {
       updateDataFromDocumentSnapshot({ snapshot: createSnapshot(doc), obj, key, subs, depth, resolve })
     } else {
       obj[key] = null
+      resolve()
     }
   })
 }

test/bind.spec.js

@@ -99,6 +99,27 @@ test('resolves the promise when refs are resolved in a document', async () => {
   expect(vm.item).toEqual({ ref: { a: true }})
 })
 
+test('resolves the promise when nested refs are resolved in a document', async () => {
+  const a = db.collection().doc()
+  const b = db.collection().doc()
+  await a.update({ a: b })
+  await b.update({ b: true })
+  await document.update({ ref: a })
+
+  await vm.$bind('item', document)
+  expect(vm.item).toEqual({ ref: { a: { b: true }}})
+})
+
+test('resolves the promise when nested non-existant refs are resolved in a document', async () => {
+  const a = db.collection().doc()
+  const b = db.collection().doc()
+  await a.update({ a: b })
+  await document.update({ ref: a })
+
+  await vm.$bind('item', document)
+  expect(vm.item).toEqual({ ref: { a: null }})
+})
+
 test('resolves the promise when the document does not exist', async () => {
   expect(vm.item).toEqual(null)
   await vm.$bind('item', document)