tsconfig.json

{
  "exclude": ["node_modules", "lib"],
  "compilerOptions": {
    // target
    "target": "ES2019",
    "module": "commonjs",
    "moduleResolution": "node",
    // build
    "types": [],
    "esModuleInterop": true,
    "preserveConstEnums": true,
    "skipLibCheck": true,
    "importHelpers": true,
    "noEmit": true,
    "resolveJsonModule": true,
    "isolatedModules": true,
    // linting
    "strict": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitOverride": true,
    "noUncheckedIndexedAccess": true,
    "noFallthroughCasesInSwitch": true,
    "forceConsistentCasingInFileNames": true,
    "noErrorTruncation": true,
    "importsNotUsedAsValues": "error",
    // sources
    "sourceMap": true,
    "declaration": true,
    "declarationMap": true,
    "inlineSources": true
  },
  "rootDir": "./src",
  "include": ["src/**/*.ts", "tests/**/*.ts"]
}