.babelrc

{
  "presets": [
    [
      "@babel/env",
      {
        "useBuiltIns": "usage",
        "corejs": 3
      }
    ]
  ],
  "plugins": [
    ["@babel/plugin-proposal-class-properties"],
    [
      "@babel/plugin-proposal-object-rest-spread",
      {
        "useBuiltIns": true
      }
    ],
    [
      "module-resolver",
      {
        "root": ["./src/assets/js"],
        "alias": {
          "classes": "./src/assets/js/classes",
          "helpers": "./src/assets/js/helpers",
          "modules": "./src/assets/js/modules",
          "utils": "./src/assets/js/utils"
        }
      }
    ],
    [
      "@babel/plugin-transform-react-jsx",
      {
        "pragma": "h",
        "pragmaFrag": "Fragment"
      }
    ]
  ]
}