tsconfig.json

{
  "compilerOptions": {
    /* Basic Options */
    "target": "esnext",
    "module": "umd",
    "lib": ["esnext", "dom"],
    "outDir": "./distTs",
    "jsx": "react",
    "noEmit": true,

    /* Strict Type-Checking Options */
    "strict": true,
    // "noImplicitAny": true,
    // "strictNullChecks": true,
    // "strictFunctionTypes": true,
    // "strictPropertyInitialization": true,  /* Enable strict checking of property initialization in classes. */
    // "noImplicitThis": true,
    // "alwaysStrict": true,

    /* Additional Checks */
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    // "noFallthroughCasesInSwitch": true,

    /* Module Resolution Options */
    "moduleResolution": "node",
    "baseUrl": "./",
    // "paths": {},
    // "rootDirs": [],
    // "typeRoots": [],
    // "types": [],
    // "allowSyntheticDefaultImports": true,
    // "resolveJsonModule": true,
    "esModuleInterop": true
    // "preserveSymlinks": true,

    /* Source Map Options */
    // "sourceRoot": "",
    // "mapRoot": "",
    // "inlineSourceMap": true,
    // "inlineSources": true,

    /* Experimental Options */
    // "experimentalDecorators": true,
    // "emitDecoratorMetadata": true,
  },
  "include": ["src/**/*", "src/__test__/**/*"],
  "exclude": ["src/__textfixtures__/**/*"]
}