We were working on a project related to on-the-edge prerendering of dynamic HTML components using Cloudflare workers, when we observed the problem of parsing and filtering huge amount of JSON data (especially because the project was developed using Typescript). At first glance, everything was clear and simple - Cloudlfare's HTMLRewriter API is amazing - easy to work with and shows unbelievable speed results compared to the other available APIs. But then the data and it's structure came into the game.
