tsconfig.json

{
  "compilerOptions": {
    "target": "esnext",
    "module": "esnext",
    "lib": ["dom", "esnext"],
    "moduleResolution": "node",
    "sourceMap": true,
    "resolveJsonModule": true,
    "esModuleInterop": true,
    "noEmit": true,
    "importHelpers": true,
    "declaration": true,
    "declarationDir": "./dist/types",
    "rootDir": "./src",
    "strict": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    "strictPropertyInitialization": true,
    "noImplicitThis": true,
    "alwaysStrict": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "baseUrl": "./",
    "paths": {
      "*": ["src/*", "node_modules/*"]
    },
    "jsx": "react",
    "experimentalDecorators": true,
    "emitDecoratorMetadata": false,
    "skipLibCheck": true,
    "stripInternal": true,
    "useDefineForClassFields": true,
    "isolatedModules": true
  },
  "include": ["./src"]
}