.babelrc.json

{
  "sourceType": "unambiguous",
  "presets": [
    [
      "@babel/preset-env",
      {
        "shippedProposals": true,
        "loose": true
      }
    ],
    "@babel/preset-typescript"
  ],
  "plugins": [
    "@babel/plugin-transform-shorthand-properties",
    "@babel/plugin-transform-block-scoping",
    [
      "@babel/plugin-proposal-decorators",
      {
        "legacy": true
      }
    ],
    [
      "@babel/plugin-proposal-class-properties",
      {
        "loose": true
      }
    ],
    [
      "@babel/plugin-proposal-private-property-in-object",
      {
        "loose": true
      }
    ],
    [
      "@babel/plugin-proposal-private-methods",
      {
        "loose": true
      }
    ],
    "@babel/plugin-proposal-export-default-from",
    "@babel/plugin-syntax-dynamic-import",
    [
      "@babel/plugin-proposal-object-rest-spread",
      {
        "loose": true,
        "useBuiltIns": true
      }
    ],
    "@babel/plugin-transform-classes",
    "@babel/plugin-transform-arrow-functions",
    "@babel/plugin-transform-parameters",
    "@babel/plugin-transform-destructuring",
    "@babel/plugin-transform-spread",
    "@babel/plugin-transform-for-of",
    "babel-plugin-macros",
    "@babel/plugin-proposal-optional-chaining",
    "@babel/plugin-proposal-nullish-coalescing-operator",
    [
      "babel-plugin-polyfill-corejs3",
      {
        "method": "usage-global",
        "absoluteImports": "core-js",
        "version": "3.21.1"
      }
    ]
  ]
}