引入ElementUI 日历组件报错Module parse failed: Unexpected token (65:6)

import DatePanel from "element-ui/packages/date-picker/src/panel/date.vue";

Module parse failed: Unexpected token (65:6)
You may need an appropriate loader to handle this file type.
|     }, this.$slots.default);
|     const wrap = (
|       <div
|         ref="wrap"
|         style={ style }

npm install\
  babel-plugin-syntax-jsx\
  babel-plugin-transform-vue-jsx\
  babel-helper-vue-jsx-merge-props\
  babel-preset-env\
  --save-dev

const path = require('path')
function resolve(dir) {
  return path.join(__dirname, dir)
}
module.exports = {
  chainWebpack: config => {
    config.module
      .rule('thejs')
      .test(/\.js$/)
      .include
        .add(path.resolve('src'))
        .add(path.resolve('node_modules/element-ui/packages'))
        .end()
      .use('babel-loader')
        .loader('babel-loader')
        .end()
  }
}

<script>
import DatePanel from "element-ui/packages/date-picker/src/panel/date.vue";
export default {
  extends: DatePanel,
  data() {
    return {
      visible: true
    };
  }
};
</script>