tsconfig.json

{
  "compilerOptions": {
    "target": "ESNext",
    "useDefineForClassFields": true,
    "module": "ESNext",
    "lib": ["ESNext", "DOM", "DOM.Iterable"],
    "skipLibCheck": true,

    /* Bundler mode */
    "moduleResolution": "bundler",
    "allowImportingTsExtensions": false,
    "resolveJsonModule": true,
    "isolatedModules": true,
    "noEmit": true,
    "jsx": "preserve",

    /* Linting */
    "strict": true,
    "noImplicitAny": true,
    "noImplicitThis": true,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    "strictPropertyInitialization": false,
    "strictBindCallApply": true,
    "noUnusedLocals": false,
    "noUnusedParameters": true,
    "noFallthroughCasesInSwitch": true,

    "esModuleInterop": true,
    "types": ["node", "mocha"]
    // "experimentalDecorators": true,
    // "emitDecoratorMetadata": true,
    // "forceConsistentCasingInFileNames": true
  },
  "include": ["src/**/*.ts", "src/**/*.d.ts", "tests/**/*.ts", "settings.json"],
  "references": [{ "path": "./tsconfig.node.json" }]
}