telegram-tt/.babelrc

{
  "presets": [
    [
      "@babel/typescript"
    ],
    [
      "@babel/preset-env"
    ],
    [
      "@babel/preset-react"
    ]
  ],
  "plugins": [
    "@babel/plugin-proposal-class-properties",
    "@babel/plugin-proposal-nullish-coalescing-operator",
    "@babel/plugin-syntax-nullish-coalescing-operator"
  ]
}