make sure vm.$log() includes props after refactor

Author: yyx990803

src/instance/api/data.js

@@ -161,9 +161,15 @@ export default function (Vue) {
     }
     // include computed fields
     if (!path) {
-      for (var key in this.$options.computed) {
+      var key
+      for (key in this.$options.computed) {
         data[key] = clean(this[key])
       }
+      if (this._props) {
+        for (key in this._props) {
+          data[key] = clean(this[key])
+        }
+      }
     }
     console.log(data)
   }

test/unit/specs/api/data_spec.js

@@ -5,7 +5,11 @@ var nextTick = _.nextTick
 describe('Data API', function () {
   var vm
   beforeEach(function () {
+    var el = document.createElement('div')
+    el.setAttribute('prop', 'hi')
     vm = new Vue({
+      el: el,
+      props: ['prop'],
       data: {
         a: 1,
         b: {
@@ -150,6 +154,7 @@ describe('Data API', function () {
         expect(val.a).toBe(1)
         expect(val.b.c).toBe(2)
         expect(val.d).toBe(2)
+        expect(val.prop).toBe('hi')
         spy()
       }
       vm.$log()