Documentation could explain the tsconfig part

[BananaAcid]

I don't seem to find the minimal required options to put in that file and unfortunately there is no tsconfig in the example folder.

Referring to this:

Next Step add "mjs": "preserve", "cjs": "preserve", options to tsconfig.

[frank-dspeed]

Only as note for me and you at present we did simply enable mjs and cjs including perserving the extension as soon as allow js is true

https://www.typescriptlang.org/docs/handbook/declaration-files/dts-from-js.html

{
  // Change this to match your project
  "include": ["src/**/*"],
  "compilerOptions": {
    // Tells TypeScript to read JS files, as
    // normally they are ignored as source files
    "allowJs": 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
    "outDir": "dist"
  }
}