avoid v-model debounce on blur (fix vuejs#2028)

src/directive.js

@@ -109,6 +109,7 @@ Directive.prototype._bind = function () {
  if (this.bind) {
  this.bind()
  }
+ this._bound = true
 
  if (this.literal) {
  this.update && this.update(descriptor.raw)
@@ -156,7 +157,6 @@ Directive.prototype._bind = function () {
  this.update(watcher.value)
  }
  }
- this._bound = true
 }
 
 /**

src/directives/public/model/text.js

@@ -53,13 +53,13 @@ export default {
  self.focused = false
  // do not sync value after fragment removal (#2017)
  if (!self._frag || self._frag.inserted) {
- self.listener()
+ self.rawListener()
  }
  })
  }
 
  // Now attach the main listener
- this.listener = function () {
+ this.listener = this.rawListener = function () {
  if (composing || !self._bound) {
  return
  }

test/unit/specs/directives/public/model_spec.js

@@ -709,8 +709,19 @@ describe('v-model', function () {
  }, 30)
  setTimeout(function () {
  expect(spy.calls.count()).toBe(1)
+ expect(spy).toHaveBeenCalledWith('d', 'a')
  expect(vm.test).toBe('d')
- done()
+ }, 150)
+ setTimeout(function () {
+ el.firstChild.value = 'e'
+ // blur should trigger change instantly without debounce
+ trigger(el.firstChild, 'blur')
+ _.nextTick(function () {
+ expect(spy.calls.count()).toBe(2)
+ expect(spy).toHaveBeenCalledWith('e', 'd')
+ expect(vm.test).toBe('e')
+ done()
+ })
  }, 200)
  })