tsconfig.json

{
  "compilerOptions": {
    "target": "es2017",
    "module": "esnext",
    "strict": true,
    "declaration": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    "strictBindCallApply": true,
    "strictPropertyInitialization": true,
    "noImplicitThis": true,
    "alwaysStrict": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "esModuleInterop": true,
    "moduleResolution": "node",
    "rootDir": "./",
    "baseUrl": "./",
    "paths": {
      "*": ["node_modules", "packages"]
    },
    "sourceMap": true,
    "allowSyntheticDefaultImports": true,
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,
    "declarationDir": "dist/types",
    "outDir": "dist/lib",
    "typeRoots": ["packages/@types", "node_modules/@types"]
  },
  "include": ["packages", "setupJest.ts"],
  "exclude": ["node_modules", "**/**/__tests__/*.test.ts"]
}