.babelrc

{
  "presets": [
    [
      "@babel/preset-env", {
        "modules": false,
        "targets": {
          "browsers": [
            "> 1%",
            "last 2 versions",
            "not ie <= 8",
            "chrome >= 48"
          ],
          "node": "current"
        }
      }
    ]
  ],
  "plugins": [
    "@babel/plugin-syntax-jsx",
    "@babel/plugin-transform-runtime",
    "@babel/plugin-proposal-class-properties",
    "@babel/plugin-transform-arrow-functions",
    "@babel/plugin-transform-block-scoping",
    "@vue/babel-plugin-transform-vue-jsx"
  ],
  "env": {
    "test": {
      "plugins": [
        "@babel/plugin-syntax-jsx",
        "@babel/plugin-transform-runtime",
        "@babel/plugin-proposal-class-properties",
        "@babel/plugin-transform-arrow-functions",
        "@babel/plugin-transform-block-scoping",
        "@babel/plugin-transform-modules-commonjs"
      ]
    }
  }
}