tsconfig.json

{
  "compilerOptions": {
    "target": "ESNext",
    "module": "umd",
    "lib": [
      "ESNext",
      "dom"
    ],
    "jsx": "react",
    "allowJs": true,
    // Ensure that .d.ts files are created by tsc, but not .js files
    "declaration": true,
    "emitDeclarationOnly": true,
    "outDir": "dist",
    // go to ts/js file when using IDE functions like
    // "Go to Definition" in VSCode
    "declarationMap": true,
    // Ensure that Babel can safely transpile files in the TypeScript project
    "isolatedModules": true,
    "sourceMap": true,
    /* Strict Type-Checking Options */
    "strict": true,
    "noImplicitAny": false, // false prevents issues in dependencies; eslint will handle this
    "strictNullChecks": true,

    /* Module Resolution Options */
    "moduleResolution": "node",
    "forceConsistentCasingInFileNames": true,
    "esModuleInterop": true,
    "types": [
      "node",
      "jest",
      "jest-puppeteer",
    ]
  },
  "include": ["./src/**/*"],
  "exclude": ["**/node_modules/*"]
}