tsconfig.json

{
  "compilerOptions": {
    "target": "ES2019",
    "module": "ESNext",
    "moduleResolution": "Node",
    "outDir": "./lib",
    "rootDir": "./src",
    "incremental": true,
    "noEmit": true,
    "tsBuildInfoFile": "tsconfig.tsbuildinfo",
    // stricter type-checking for stronger correctness. Recommended by TS
    "strict": true,
    // interop between ESM and CJS modules. Recommended by TS
    "esModuleInterop": true,
    // significant perf increase by skipping checking .d.ts files, particularly those in node_modules. Recommended by TS
    "skipLibCheck": true,
    // error out if import and file system have a casing mismatch. Recommended by TS
    "forceConsistentCasingInFileNames": true,
    // prevent the use of features that are incompatible with isolated transpilation
    "isolatedModules": true,
    "allowJs": true,
    "strictNullChecks": true,
    "strictPropertyInitialization": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "preserveConstEnums": true,
    "allowSyntheticDefaultImports": true,
    "importHelpers": true
  },
  "exclude": [
    "node_modules"
  ]
}