.babelrc

{
  "env": {
    "production": {
      "plugins": [
        "@babel/plugin-transform-template-literals",
        "@babel/plugin-transform-literals",
        "@babel/plugin-transform-function-name",
        "@babel/plugin-transform-arrow-functions",
        "@babel/plugin-transform-block-scoped-functions",
        ["@babel/plugin-transform-classes", {
          "loose": true
        }],
        "@babel/plugin-transform-object-super",
        "@babel/plugin-transform-shorthand-properties",
        "@babel/plugin-transform-duplicate-keys",
        "@babel/plugin-transform-computed-properties",
        "@babel/plugin-transform-spread",
        "@babel/plugin-transform-parameters",
        "@babel/plugin-transform-destructuring",
        "@babel/plugin-transform-block-scoping",
        "@babel/plugin-transform-typeof-symbol"
      ]
    },
    "development": {
      "plugins": [
        "@babel/plugin-transform-modules-commonjs",
        "@babel/plugin-transform-template-literals",
        "@babel/plugin-transform-literals",
        "@babel/plugin-transform-function-name",
        "@babel/plugin-transform-arrow-functions",
        "@babel/plugin-transform-block-scoped-functions",
        ["@babel/plugin-transform-classes", {
          "loose": true
        }],
        "@babel/plugin-transform-object-super",
        "@babel/plugin-transform-shorthand-properties",
        "@babel/plugin-transform-duplicate-keys",
        "@babel/plugin-transform-computed-properties",
        "@babel/plugin-transform-spread",
        "@babel/plugin-transform-parameters",
        "@babel/plugin-transform-destructuring",
        "@babel/plugin-transform-block-scoping",
        "@babel/plugin-transform-typeof-symbol"
      ]
    }
  }
}