* [jsfm] fixed repeat bug when update values with new object references

html5/default/vm/compiler.js

@@ -499,6 +499,12 @@ function bindRepeat (vm, target, fragBlock, info) {
           }
           children.push(reused.target)
           vms.push(reused.vm)
+          if (oldStyle) {
+            reused.vm = item
+          }
+          else {
+            reused.vm[valueName] = item
+          }
           reused.vm[keyName] = index
           fragBlock.updateMark = reused.target
         }

html5/test/unit/default/vm/vm.js

@@ -455,6 +455,123 @@ describe('generate virtual dom for a single vm', () => {
     expect(el.children[6].attr).eql({ src: 2 })
   })
 
+  it('generate more than one group of elements with the same repeat data', () => {
+    customComponentMap.foo = {
+      template: {
+        type: 'container',
+        children: [
+          { type: 'begin' },
+          {
+            repeat: {
+              expression: function () { return this.list },
+              value: 'v1'
+            },
+            type: 'image', attr: { src: function () { return this.v1.x } }
+          },
+          { type: 'middle' },
+          {
+            repeat: {
+              expression: function () { return this.list },
+              value: 'v2'
+            },
+            type: 'text', attr: { value: function () { return this.v2.x } }
+          },
+          { type: 'end' }
+        ]
+      },
+      data: {
+        list: [
+          { uid: 1, x: 1 }, { uid: 2, x: 2 }, { uid: 3 }
+        ]
+      }
+    }
+
+    const app = { doc, customComponentMap, differ }
+    const vm = new Vm('foo', customComponentMap.foo, { _app: app })
+
+    expect(vm._app).equal(app)
+    expect(vm.list).eql([
+      { uid: 1, x: 1 },
+      { uid: 2, x: 2 },
+      { uid: 3 }])
+
+    const el = doc.body
+    expect(el.type).eql('container')
+    expect(el.children).is.an.array
+
+    // [begin, comment, image x 3, comment, middle, comment, text x 3, comment, end]
+    expect(el.children.length).eql(13)
+
+    expect(el.children[0].type).eql('begin')
+    expect(el.children[1].type).eql('comment')
+    expect(el.children[1].value).eql('start')
+    expect(el.children[2].type).eql('image')
+    expect(el.children[2].attr).eql({ src: 1 })
+    expect(el.children[3].type).eql('image')
+    expect(el.children[3].attr).eql({ src: 2 })
+    expect(el.children[4].type).eql('image')
+    expect(el.children[4].attr).eql({})
+    expect(el.children[5].type).eql('comment')
+    expect(el.children[5].value).eql('end')
+    expect(el.children[6].type).eql('middle')
+    expect(el.children[7].type).eql('comment')
+    expect(el.children[7].value).eql('start')
+    expect(el.children[8].type).eql('text')
+    expect(el.children[8].attr).eql({ value: 1 })
+    expect(el.children[9].type).eql('text')
+    expect(el.children[9].attr).eql({ value: 2 })
+    expect(el.children[10].type).eql('text')
+    expect(el.children[10].attr).eql({})
+    expect(el.children[11].type).eql('comment')
+    expect(el.children[11].value).eql('end')
+    expect(el.children[12].type).eql('end')
+
+    vm.list[0].x = 4
+    differ.flush()
+
+    expect(el.children.length).eql(13)
+    expect(el.children[2].attr).eql({ src: 4 })
+    expect(el.children[8].attr).eql({ value: 4 })
+
+    // [begin, comment, image x 4, comment, middle, comment, text x 4, comment, end]
+    vm.list.push({ uid: 10, x: 10 })
+    differ.flush()
+
+    expect(el.children.length).eql(15)
+    expect(el.children[5].attr).eql({ src: 10 })
+    expect(el.children[12].attr).eql({ value: 10 })
+
+    // [begin, comment, image x 2, comment, middle, comment, text x 2, comment, end]
+    vm.list = [
+      { uid: 100, x: 100 }, { uid: 1, x: 1 }
+    ]
+    differ.flush()
+
+    expect(el.children.length).eql(11)
+    expect(el.children[2].attr).eql({ src: 100 })
+    expect(el.children[3].attr).eql({ src: 1 })
+    expect(el.children[7].attr).eql({ value: 100 })
+    expect(el.children[8].attr).eql({ value: 1 })
+
+    vm.list[0].x = 4
+    differ.flush()
+
+    expect(el.children.length).eql(11)
+    expect(el.children[2].attr).eql({ src: 4 })
+    expect(el.children[3].attr).eql({ src: 1 })
+    expect(el.children[7].attr).eql({ value: 4 })
+    expect(el.children[8].attr).eql({ value: 1 })
+
+    vm.list[1].x = 5
+    differ.flush()
+
+    expect(el.children.length).eql(11)
+    expect(el.children[2].attr).eql({ src: 4 })
+    expect(el.children[3].attr).eql({ src: 5 })
+    expect(el.children[7].attr).eql({ value: 4 })
+    expect(el.children[8].attr).eql({ value: 5 })
+  })
+
   it('generate an element with external data', () => {
     customComponentMap.foo = {
       data: () => {