{
  "presets": [
    [
      "jason",
      {
        "debug": true,
        "targets": {
          "browsers": [
            ">= .25%",
            "ie 11",
            "not dead",
            "not op_mini all",
            "not Android 4.4.3-4.4.4",
            "not ios_saf < 10",
            "not Chrome < 50", // caniuse lastest is reporting chrome 29
            "firefox ESR"
          ]
        }
      }
    ],
    "@babel/preset-typescript"
  ],
  "env": {
    "esm": {
      "presets": [
        [
          "jason",
          {
            "modules": false,
            "targets": {
              "browsers": [
                ">= .25%",
                "ie 11",
                "not dead",
                "not op_mini all",
                "not Android 4.4.3-4.4.4",
                "not ios_saf < 10",
                "not Chrome < 50", // caniuse lastest is reporting chrome 29
                "firefox ESR"
              ]
            }
          }
        ]
      ]
    }
  }
}