{
  "presets": [
    ["env", {
      "modules": false,
      "targets": {
        "browsers": ["Chrome > 52", "last 2 ChromeAndroid major versions", "Firefox > 42", "last 2 FirefoxAndroid major versions", "ie >= 11", "Opera >= 12", "last 2 iOS major versions", "last 2 Safari major versions"]
      }
    }],
    "stage-2"
  ],
  "plugins": ["transform-runtime"]
}