tsconfig.json

{
  "compilerOptions": {
    "target": "ESNext",
    "lib": ["DOM", "DOM.Iterable", "ESNext", "es6", "dom"],
    "module": "ESNext",
    "skipLibCheck": true,

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

    /* Linting */
    "strict": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noFallthroughCasesInSwitch": true,

    "noImplicitAny": true,
    "noImplicitThis": true,
    "strictNullChecks": true,
    "outDir": "./dist",
    // "target": "es5",
    // "lib": ["es6", "dom"],
    // "module": "ES6",
    // "jsx": "react",
    "allowSyntheticDefaultImports": true,
    "allowJs": true
  },
  "include": ["src"],
  "references": [{ "path": "./tsconfig.node.json" }]
}