@ali-i18n-fe/dada-component/libs/webpack/loader/babel-loader.js

dada component

const babelDefaultRc = require("../../constants/component.babelrc");
const merge = require("lodash/merge");
const cloneDeep = require("lodash/cloneDeep");

module.exports = require("babel-loader").custom(babel => {
  return {
    config({ ...cfg }) {
      return merge(cloneDeep(babelDefaultRc), cfg.options);
    }
  };
});