{
  "presets": [
    ["env", {
      "modules": false,
      "targets": {
        "browsers": ["> 1%", "last 2 versions", "not ie <= 8"]
      }
    }],
    "stage-2"
  ],
  "plugins": ["transform-vue-jsx", "transform-runtime",[
    "prismjs",
    {
    "languages": ["javascript", "css", "markup"],//要包含在捆绑中的语言数组。
    "plugins": ["line-numbers","copy-to-clipboard","highlight-keywords","jsonp-highlight","show-language","previewers"],//要包含在包中的插件数组。
    "theme": "tomorrow",//要包含在包中的主题的名称
    "css": true//布尔值，指示是否.css在结果中包含文件。默认为false。如果true，import将为.css文件添加s 。必须是true为了theme工作。
    }
    ]],
  "env": {
    "test": {
      "presets": ["env", "stage-2"],
      "plugins": ["transform-vue-jsx", "transform-es2015-modules-commonjs", "dynamic-import-node"]
    }
  }
}
