tsconfig.json

{
  "compilerOptions": {
    "outDir": "./dist",
    "target": "es6",
    "module": "commonjs",
    "strict": true,
    "esModuleInterop": true,
    "skipLibCheck": true,
    "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
    "noImplicitAny": true, //raise error on any type
    "allowSyntheticDefaultImports": true, //allow default imports from modules with no default export
    "sourceMap": true, //generate .map files
    "jsx": "react", //use react   
    "types": [
      "react",
      "node",
    ],
    "strictNullChecks": true, //enable strict null checks
    "resolveJsonModule": true //allow to import JSON files directly
    },
  "include": ["src/**/*.ts", "src/**/*.tsx", "types/**/*.d.ts"],
}