tsconfig.json

{
  "compilerOptions": {
    "resolveJsonModule": true,
    "allowJs": false,
    "removeComments": true,
    "isolatedModules": true,
    "declaration": true,
    "target": "ES2019",
    "sourceMap": true,
    "rootDirs": ["src", "./"],
    "outDir": "./dist",

    "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",
    "esModuleInterop": true,
    "module": "commonjs",

    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,

    "skipLibCheck": true,
    "forceConsistentCasingInFileNames": true,

    "preserveConstEnums": true,
    "incremental": true
  },
  "include": ["src", "test/unit/prepare.spec.ts", "test/unit/verify-config.spec.ts"],
  "exclude": [
    "node_modules",
    "./node_modules",
    "./node_modules/*",
    "./node_modules/@types/node/index.d.ts",
    "coverage",
    "**/*.spec.ts"
  ]
}