feet: remove event native; add transition from

Author: ygj6

Diff for: generator/codemods/vue-addition/index.js

@@ -0,0 +1,28 @@
+module.exports = function(files, filename) {
+  let content = files[filename]
+  content = removeEventNative(content)
+  content = addTransitionFrom(content)
+  files[filename] = content
+}
+
+// template
+// v-on:event.native => v-on:event
+// @event.native => @event
+function removeEventNative(content) {
+  const reg = new RegExp(
+    '(?<=<template>[\\s\\S]*?\\s(?:v-on:|@)\\w+).native(?==[\\s\\S]*?</template>)',
+    'g'
+  )
+  return content.replace(reg, '')
+}
+
+// style
+// .xxx-enter => .xxx-enter-from
+// .xxx-leave => .xxx-leave-from
+function addTransitionFrom(content) {
+  const reg = new RegExp(
+    '(?<=<style[\\s>][\\s\\S]*?\\s\\.[A-Za-z0-9_-]+-)(enter|leave)(?=[,{\\s][\\s\\S]*?</style>)',
+    'g'
+  )
+  return content.replace(reg, '$1-from')
+}

Diff for: generator/index.js

@@ -134,3 +134,15 @@ module.exports = (api) => {
     api.exitLog('Documentation available at https://github.com/vuejs/vue-test-utils-next')
   }
 }
+
+module.exports.hooks = api => {
+  api.postProcessFiles(files => {
+    const vueTransform = require('./codemods/vue-addition')
+    const vueFiles = Object.keys(api.generator.files).filter(el =>
+      el.endsWith('.vue')
+    )
+    for (let i = 0; i < vueFiles.length; i++) {
+      vueTransform(files, vueFiles[i])
+    }
+  })
+}