.babelrc

{
  "ignore": [
    "node_modules",
    "node_modules/*",
    "node_modules/*/**"
  ],
  "plugins": [
    [
      "@babel/plugin-proposal-decorators",
      {
        "legacy": true
      }
    ],
    "@babel/plugin-proposal-class-properties",
    "@babel/plugin-proposal-object-rest-spread"
  ],
  "presets": [
    [
      "@babel/preset-env",
      {
        "targets":
        {
          "browsers": [
            "> 1%",
            "last 2 versions",
            "not ie <= 8"
          ]
        }
      }
    ]
  ]
}