message: refactor: tweak
diff: @@ -28,6 +28,7 @@ function preTransformNode (el: ASTElement, options: CompilerOptions) {
  if (map['v-model'] && (map['v-bind:type'] || map[':type'])) {
  const typeBinding: any = getBindingAttr(el, 'type')
  const ifCondition = getAndRemoveAttr(el, 'v-if', true)
  + const ifConditionExtra = ifCondition ? `&&(${ifCondition})` : ``
  // 1. checkbox
  const branch0 = cloneASTElement(el)
  // process for on the main node
  @@ -35,7 +36,7 @@ function preTransformNode (el: ASTElement, options: CompilerOptions) {
  addRawAttr(branch0, 'type', 'checkbox')
  processElement(branch0, options)
  branch0.processed = true // prevent it from double-processed
  - branch0.if = `type==='checkbox'` + (ifCondition ? `&&(${ifCondition})` : ``)
  + branch0.if = `type==='checkbox'` + ifConditionExtra
  addIfCondition(branch0, {
  exp: branch0.if,
  block: branch0
  @@ -46,7 +47,7 @@ function preTransformNode (el: ASTElement, options: CompilerOptions) {
  addRawAttr(branch1, 'type', 'radio')
  processElement(branch1, options)
  addIfCondition(branch0, {
  - exp: `type==='radio'` + (ifCondition ? `&&(${ifCondition})` : ``),
  + exp: `type==='radio'` + ifConditionExtra,
  block: branch1
  })
  // 3. other
  