tsconfig.json

{
  "compilerOptions": {
    "outDir": "./lib",
    "rootDir": "./src",

    // target
    "target": "ES2019",
    "module": "CommonJS",
    "moduleResolution": "node",
    "lib": ["ES2019"],

    // build
    "types": [],
    "esModuleInterop": true,
    "preserveConstEnums": true,
    "skipLibCheck": true,
    "importHelpers": true,
    "resolveJsonModule": true,
    "isolatedModules": true,
    "allowJs": true,
    "checkJs": true,

    // linting
    "strict": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitOverride": true,
    "noUncheckedIndexedAccess": true,
    "noFallthroughCasesInSwitch": true,
    "forceConsistentCasingInFileNames": true,
    "noErrorTruncation": true,
    "noImplicitAny": true,

    // sources
    "sourceMap": true,
    "declaration": true,
    "declarationMap": true,
    "inlineSources": true
  },
  "include": ["src/"]
}