tsconfig.json

{
  "compilerOptions": {
    "baseUrl": "./",
    "paths": {
      "@app/*": [
        "src/*"
      ],
      "@assets/*": [
        "assets/*"
      ],
      "@images/*": [
        "assets/images/*"
      ],
      "@styles/*": [
        "assets/styles/*"
      ],
    },
    "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,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noFallthroughCasesInSwitch": true,

    // https://www.typescriptlang.org/tsconfig#strictNullChecks
    "strictNullChecks": true
  },
  "include": ["src"],
  "references": [{ "path": "./tsconfig.node.json" }]
}