No .d.ts types in esm directory of the package makes TypeScript fail to import rxjs-spy

[zaripych]

I'm using ESM modules and moduleResolution equal to bundler in my tsconfig.json. This is quite edge and only available in the latest version of the TypeScript.

The issue this brings for me in my codebase:

The solution is to add types section in package.json:

Adding index.d.ts to esm folder with export * from '../cjs' also works. 👍