.babelrc

{
  "presets": ["react", "stage-0"],
  "plugins": [
    "transform-class-properties",
    "transform-es2015-template-literals",
    "transform-es2015-literals",
    "transform-es2015-function-name",
    "transform-es2015-arrow-functions",
    "transform-es2015-block-scoped-functions",
    "transform-es2015-classes",
    "transform-es2015-object-super",
    "transform-es2015-shorthand-properties",
    "transform-es2015-duplicate-keys",
    "transform-es2015-computed-properties",
    "transform-es2015-for-of",
    "transform-es2015-sticky-regex",
    "transform-es2015-unicode-regex",
    "check-es2015-constants",
    "transform-es2015-spread",
    "transform-es2015-parameters",
    "transform-es2015-destructuring",
    "transform-es2015-block-scoping",
    "transform-es2015-typeof-symbol",
    ["transform-regenerator", { "async": false, "asyncGenerators": false }],
  ],
  "env": {
    "commonjs": {
      "plugins": [
        "add-module-exports",
        "transform-es2015-modules-commonjs"
      ]
    },
    "es": {}
  }
}