tsconfig.json

{
  "compilerOptions": {
    "module": "commonjs",
    "target": "ES2019", // Node.js 12
    "lib": ["ES2019", "ES2020.String", "DOM"],
    "moduleResolution": "node",
    "allowSyntheticDefaultImports": true, // To provide backwards compatibility, Node.js allows you to import most CommonJS packages with a default import. This flag tells TypeScript that it's okay to use import on CommonJS modules.
    "resolveJsonModule": false, // ESM doesn't yet support JSON modules.
    "jsx": "react",
    "outDir": "out/dist",
    "declaration": true,
    "pretty": true,
    "newLine": "lf",
    "stripInternal": true,
    "strict": true,
    "noImplicitReturns": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noFallthroughCasesInSwitch": true,
    "noUncheckedIndexedAccess": true,
    "noPropertyAccessFromIndexSignature": true,
    "noEmitOnError": true,
    "useDefineForClassFields": true,
    "forceConsistentCasingInFileNames": true,
    "skipLibCheck": true,
    "esModuleInterop": true
  },
  "include": ["src"]
}