tsconfig.json

{
  "compilerOptions": {
    "target": "ES2020",
    "useDefineForClassFields": true,
    "lib": ["ES2020", "DOM", "DOM.Iterable"],
    "module": "CommonJS",
    "skipLibCheck": true,
    "esModuleInterop": true,
    "moduleResolution": "node",
    "allowImportingTsExtensions": true,
    "resolveJsonModule": true,
    "isolatedModules": true,
    "noEmit": true,
    "jsx": "react-jsx",
    "typeRoots": ["./types", "./node_modules/@types" ],
    "allowSyntheticDefaultImports": true,

    /* Linting */
    "strict": true,
    "noUnusedLocals": false,
    "noUnusedParameters": false,
    "noFallthroughCasesInSwitch": true
  },
  "references": [{ "path": "./tsconfig.node.json" }]
}