itch.io

Me neither. I was fumbling through some tutorials and have problems with elementary stuff, mostly because the logic of javascript is alien to me. And stuff like the popup of an extension having its own console.

That would be the doc for storage.

But for starters, exporting the list is a good idea. That can be used for other things as well. Also, if you can import lists you can sync to other browsers.

I am currently stuck at how to save info in such a way that extension could use it.

Yeah. Certain items cannot be saved directly. Would be too easy. I do it with JSON.stringify(Array.from(xxx))

Current headache inducer is event listeners and url filter for me. And why it does not work on new tabs.