tsconfig.json

{
  "compilerOptions": {
    "noImplicitAny": true, //raise error on any type
    "allowSyntheticDefaultImports": true, //allow default imports from modules with no default export
    "sourceMap": true, //generate .map files
    "target": "es6", //target es6
    "jsx": "react", //use react
    "types": ["react", "node"], //use react and node types
    "module": "esnext", //use esnext modules
    "moduleResolution": "node", //use node module resolution strategy node
    "experimentalDecorators": true, //allow experimental decorators for es7
    "declaration": false, //don't generate declaration '.d.ts' files
    "removeComments": true, //remove comments from build
    "noImplicitReturns": true, //raise error on implicit returns
    "noUnusedLocals": true, //raise error on unused locals
    "noUnusedParameters": false, //raise no error on unused parameters
    "strict": true, //enable all strict type-checking options
    "outDir": "dist", //output directory
    "baseUrl": "src", //base url for imports
    "typeRoots": [
      "node_modules/@types" //use node_modules/@types for type definitions
    ],
    "strictNullChecks": true //enable strict null checks
  },
  "exclude": ["**/node_modules/*", "babel.config.cjs", "dist"]
}