Legacy babel config

babel.legacy.config.js

const commonPlugins = require("./commonPlugins");
module.exports = api => {
  api && api.cache(false);
  const presets = [
    [
      "@babel/preset-env",
      {
        targets: { browsers: ["safari >= 7"] }, //To support old browsers
        useBuiltIns: "usage",
        corejs: 2,
        modules: false,
      },
    ],
    "@babel/preset-react",
  ];
  return {
    presets,
    plugins: commonPlugins(),
  };
};