{
  "presets": [
    [
      "@babel/preset-env",
      {
        "targets": {
          "browsers": "defaults",
          "node": "8"
        },
        "modules": "commonjs"
      }
    ],
    "@babel/preset-typescript"
  ],
  "plugins": [
    ["transform-jsbi-to-bigint", { "debug": true }],
    "@babel/plugin-proposal-class-properties",
    "@babel/plugin-transform-classes"  
  ]
}