{
    "plugins": [
      "syntax-dynamic-import",
      "transform-object-rest-spread",
      "transform-class-properties",
      "transform-react-jsx",
      ["transform-runtime", {
        "helpers": true,
        "polyfill": false, // polyfills will be handled by preset-env
        "regenerator": false
      }]
    ],
    "presets": [
      ["env", {
        "targets": {
          "browsers": ["> 5%"]
        },
        "modules": false
      }]
    ],
    "env": {
      "test": {
        "plugins": [
          "transform-es2015-modules-commonjs",
          "transform-object-rest-spread",
          "transform-class-properties",
          "transform-react-jsx"
        ]
      }
    }
  }
