.babelrc

{
  "presets": [
    "@babel/preset-env"
  ],
  "plugins": [
    "@babel/plugin-proposal-export-default-from",
    "@babel/plugin-proposal-logical-assignment-operators",
    [
      "@babel/plugin-proposal-optional-chaining",
      {
        "loose": false
      }
    ],
    [
      "@babel/plugin-proposal-pipeline-operator",
      {
        "proposal": "minimal"
      }
    ],
    [
      "@babel/plugin-proposal-nullish-coalescing-operator",
      {
        "loose": false
      }
    ],
    "@babel/plugin-proposal-do-expressions",
    [
      "@babel/plugin-proposal-decorators",
      {
        "legacy": true
      }
    ],
    "@babel/plugin-proposal-function-sent",
    "@babel/plugin-proposal-export-namespace-from",
    "@babel/plugin-proposal-numeric-separator",
    "@babel/plugin-proposal-throw-expressions",
    "@babel/plugin-syntax-dynamic-import",
    "@babel/plugin-syntax-import-meta",
    [
      "@babel/plugin-proposal-class-properties",
      {
        "loose": true
      }
    ],
    "@babel/plugin-proposal-json-strings"
  ],
  "sourceMaps": "inline",
  "retainLines": true
}