tsconfig.json

{
  // our minimum supported Node version is Node v18.19
  "extends": "@tsconfig/node18/tsconfig.json",
  "include": ["src/*"],

  "compilerOptions": {
    "strict": true,
    // Tells TypeScript to read JS files, as
    // normally they are ignored as source files
    "allowJs": true,
    "checkJs": true,
    // Generate d.ts files
    "declaration": true,
    // This compiler run should
    // only output d.ts files
    "emitDeclarationOnly": true,
    // Types should go into this directory.
    // Removing this would place the .d.ts files
    // next to the .js files
    // We can't use `dist/` as Vite will automatically overwrite it.
    "outDir": "dist-types",
    "rootDir": ".",
    // go to js file when using IDE functions like
    // "Go to Definition" in VSCode
    "declarationMap": true,
    // we're using ESM modules
    "module": "nodenext",
    "moduleResolution": "nodenext",
    // required to get the version from package.json
    "resolveJsonModule": true,
    "lib": [
      "es2020",
      "DOM", // used by puppeteer functions
      "DOM.Iterable", // means we can use `for/of` in HTMLCollection
    ],
  }
}