my_loan/htmldev/TBTools/.babelrc

{
  "presets": [
    ["env", {
      "modules": false
    }],
    "stage-2"
  ],
  "plugins": ["transform-runtime", ["component", [
    {
      "libraryName": "element-ui"
    }
  ]]],
  "env": {
    "test": {
      "presets": ["env", "stage-2"],
      "plugins": ["transform-es2015-modules-commonjs", "dynamic-import-node"]
    }
  }
}