{
  "presets": [
      ["env", {
          "targets": {
              "modules": false,
              "loose": true,
              "browsers": ["> 1%", "last 2 versions", "not ie <= 8"]
          }
      }],
      "stage-0"
  ],
  "plugins": [
    ["import",[{
        "libraryName": "weex-ui",
        "libraryDirectory": "packages",
        "style": false
    }, {
        "libraryName": "bui-weex",
        "libraryDirectory": "src/components",
        "style": false
    }]],
    ["transform-runtime", {
      "polyfill": false,
      "helpers": false
    }]
  ],
  "env": {
      "test": {
          "presets": ["env", "stage-0"],
          "plugins": ["istanbul"]
      }
  }
}