Let's challenge ourselves to make an event processing engine using generics and mapped types. 00:00 Introduction 00:14 Challenge introduction 04:42 Basic challenge solution 13:10 Advanced challenge 13:47 Advanced challenge solution 18:36 Outroduction Gist: https://gist.github.com/jherr/23101f2cd7980a7839a76b6bdff45583 Code: https://github.com/jherr/no-bs-ts/tree/master/challenge-3 If you liked this video, buy me a coffee! https://www.buymeacoffee.com/bluecollarcoder 👉 What's my theme? Night Wolf [dark blue] 👉 What's that font? MonoLisa 👉 Jack is also on the React Round Up podcast: https://devchat.tv/podcasts/react-round-up/ 👉 Don't forget to subscribe to this channel for more updates: https://bit.ly/2E7drfJ 👉 Discord server signup: https://discord.gg/ddMZFtTDa5 💢 Watch our other videos: 💟 Hacking your Github contribution graph: https://www.youtube.com/watch?v=_ZQSPYDlk3U 💟 More Typescript videos:    • JavaScript to TypeScript: Beginner to...   Thank you for watching this video, click the "SUBSCRIBE" button to stay connected with this channel. #typescript #NoBSTS