tsconfig.json

{
  "compilerOptions": {
    "target": "es2019",
    "module": "commonjs",
    "lib": ["es2020"],
    "allowJs": true,
    "declaration": true,
    "outDir": "dist",
    "removeComments": true,

    "strict": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    "strictBindCallApply": true,
    "strictPropertyInitialization": true,
    "noImplicitThis": true,
    "alwaysStrict": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,

    "moduleResolution": "node",
    "resolveJsonModule": true,
    "baseUrl": "./",
    "typeRoots": ["node_modules/@types"],
    "types": [
      "node",
      "jest"
    ],
    "esModuleInterop": true,
    "preserveSymlinks": true,
    "forceConsistentCasingInFileNames": true
  },
  "include": [
    "./src/index.ts",
    "./src/lib/*.ts"
  ],
  "exclude": [
    ".vscode",
    "./node_modules",
    "./dist"
  ],
}