.babelrc.js

const presets = [
  "@babel/preset-react",
  ["@babel/preset-env", {
    "targets": {
      "node": "current"
    },
  }]
];
const plugins = ["@babel/plugin-proposal-class-properties"];
if (process.env.NODE_ENV !== "test") {
  plugins.push([
    "babel-plugin-transform-imports",
    {
      "@material-ui/core": {
        // Use "transform: "@material-ui/core/${member}"," if your bundler does not support ES modules
        "transform": "@material-ui/core/esm/${member}",
        "preventFullImport": true
      },
      "@material-ui/icons": {
        // Use "transform: "@material-ui/icons/${member}"," if your bundler does not support ES modules
        "transform": "@material-ui/icons/esm/${member}",
        "preventFullImport": true
      }
    }
  ]);
};



module.exports = { presets, plugins,     "sourceMaps": "inline",
"retainLines": true };