tsconfig.json

{
  // see https://www.typescriptlang.org/tsconfig to better understand tsconfigs
  "include": [
    "src",
    "types",
    // root files
    ".eslintrc.cjs",
    "rollup.config.js",
    "tsdx.config.js"
  ],
  "exclude": [],
  "compilerOptions": {
    "baseUrl": ".",
    "rootDir": ".",
    "target": "ES5", // Specifies the JavaScript version to target when transpiling code.
    "useDefineForClassFields": true, // Enables the use of 'define' for class fields.
    "lib": ["ES2020", "DOM", "DOM.Iterable"], // Specifies the libraries available for the code.
    "module": "ESNext", // Defines the module system to use for code generation.
    "skipLibCheck": true, // Skips type checking of declaration files.

    /* Bundler mode */
    "moduleResolution": "node", // Specifies how modules are resolved when bundling.
    "resolveJsonModule": true, // Enables importing JSON modules.
    "isolatedModules": true, // Ensures each file is treated as a separate module.
    "noEmit": true, // Prevents TypeScript from emitting output files.
    "jsx": "react", // Configures JSX support for React.

    /* Linting */
    "strict": true, // Enables strict type checking.
    "noUnusedLocals": true, // Flags unused local variables.
    "noUnusedParameters": true, // Flags unused function parameters.
    "noFallthroughCasesInSwitch": true, // Requires handling all cases in a switch statement.
    "declaration": true, // Generates declaration files for TypeScript.
    "declarationDir": "dist",
    "allowSyntheticDefaultImports": true
  }
}