Handle missing query on datatype relationship

lib/datatype/castQueryParams.js

@@ -6,6 +6,10 @@ const getField = require('../utils/getField')
 function castQueryParams (relId, data, {relationships}) {
   const relationship = relationships[relId]
 
+  if (!relationship.query) {
+    return {}
+  }
+
   return Object.keys(relationship.query)
     .reduce((params, key) => {
       const value = getField(data, relationship.query[key])

lib/datatype/index-test.js

@@ -452,6 +452,28 @@ test('castQueryParams should return params for rel query', (t) => {
   t.deepEqual(ret, expected)
 })
 
+test('castQueryParams should return empty array when no query object', (t) => {
+  const data = {
+    id: 'johnf',
+    type: 'user',
+    attributes: {genre: 'fiction'},
+    relationships: {country: {id: 'no', type: 'country'}}
+  }
+  const type = datatype({
+    id: 'user',
+    relationships: {
+      books: {
+        type: 'book'
+      }
+    }
+  })
+  const expected = {}
+
+  const ret = type.castQueryParams('books', data)
+
+  t.deepEqual(ret, expected)
+})
+
 test('castQueryParams should return id array from many-relationship', (t) => {
   const data = {
     id: 'johnf',

lib/integreat.js

@@ -5,7 +5,7 @@ const setupDispatch = require('./dispatch')
 const builtinActions = require('./actions')
 const reduceToObject = require('./utils/reduceToObject')
 
-const version = '0.6.2'
+const version = '0.6.3'
 
 /**
  * Return an Integreat instance with a dispatch method.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "integreat",
-  "version": "0.6.2",
+  "version": "0.6.3",
   "description": "Node.js integration layer",
   "author": "Kjell-Morten Bratsberg Thorsen <post@kjellmorten.no> (http://kjellmorten.no/)",
   "license": "ISC",