Fixed not allowing special properties in the instance.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "functional-models",
-  "version": "1.0.11",
+  "version": "1.0.13",
   "description": "A library for creating JavaScript function based models.",
   "main": "index.js",
   "scripts": {

src/models.js

@@ -43,6 +43,12 @@ const Model = (
   )
 
   const create = (instanceValues = {}) => {
+    const specialInstanceProperties1 = MODEL_DEF_KEYS.reduce((acc, key) => {
+      if (key in instanceValues) {
+        return {...acc, [key]: instanceValues[key]}
+      }
+      return acc
+    }, {})
     const loadedInternals = instanceProperties.reduce(
       (acc, [key, property]) => {
         const propertyGetter = property.createGetter(instanceValues[key])
@@ -75,7 +81,8 @@ const Model = (
       {},
       loadedInternals,
       specialProperties,
-      frameworkProperties
+      frameworkProperties,
+      specialInstanceProperties1,
     )
     if (instanceCreatedCallback) {
       instanceCreatedCallback(instance)

test/src/models.test.js

@@ -39,6 +39,16 @@ describe('/src/models.js', () => {
         const actual = instance.meta.getModel().getProperties().myProperty
         assert.isOk(actual)
       })
+      it('should combine the meta within the instance values', () => {
+        const input = {
+          myProperty: Property({ required: true }),
+        }
+        const model = Model('name', input)
+        const instance = model.create({ myProperty: 'value', meta: {random: () => 'random'}})
+        const actual = instance.meta.random()
+        const expected = 'random'
+        assert.equal(actual, expected)
+      })
       it('should flow through the additional special functions within the keyValues', () => {
         const input = {
           myProperty: Property({ required: true }),

test/src/properties.test.js

@@ -508,7 +508,7 @@ describe('/src/properties.js', () => {
         const input = ['obj-id']
         const fetcher = sinon
           .stub()
-          .callsFake((modelName, instanceValues) => instanceValues)
+          .callsFake((modelName, id) => ({id}))
         await ReferenceProperty(TestModel1, {
           fetcher,
         }).createGetter(...input)()