tsconfig.json

{
  "compilerOptions": {
    "target": "ES2020",
    "useDefineForClassFields": true,
    "lib": ["ES2020", "DOM", "DOM.Iterable"],
    "module": "ESNext",
    "skipLibCheck": true,

    /* Bundler mode */
    "moduleResolution": "bundler",
    "allowImportingTsExtensions": true,
    "resolveJsonModule": true,
    "isolatedModules": true,
    "noEmit": true,
    "jsx": "react-jsx",

    /* Linting */
    "strict": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitOverride": true,
    "noImplicitReturns": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noUncheckedIndexedAccess": false /* would be cool, but it does not play well with CSS modules */,
    "noPropertyAccessFromIndexSignature": false /* bad */,

    /* Experimental */
    "experimentalDecorators": true,

    /* Plugins */
    "plugins": [{ "name": "typescript-plugin-css-modules" }]
  },
  "include": ["src"],
  "references": [{ "path": "./tsconfig.node.json" }]
}