No BS TS #19 - Utility Types in Typescript - Part 2 скачать в хорошем качестве

No BS TS #19 - Utility Types in Typescript - Part 2

Turns out you can define types conditionally based on the a type check against a different type. Let's try it out on a fetch function that optionally takes a callback and can return either a void or a promise based on that callback. 00:00 Introduction 00:17 Utility Types in the handbook 01:30 Function setup 02:58 Parameters and ReturnType 06:39 Class setup 07:30 ConstructorParameters and InstanceType 11:10 Outroduction Utility Types page: https://www.typescriptlang.org/docs/h... Code: https://github.com/jherr/no-bs-ts/tre... If you liked this video, buy me a coffee! https://www.buymeacoffee.com/bluecoll... 👉 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-rou... 👉 Don't forget to subscribe to this channel for more updates: https://bit.ly/2E7drfJ 👉 Discord server signup:   / discord   💢 Watch our other videos: 💟 Hacking your Github contribution graph:    • Hacking Your Github Contribution Graph || ...   💟 More Typescript videos:    • JavaScript to TypeScript: Beginner to Master   Thank you for watching this video, click the "SUBSCRIBE" button to stay connected with this channel. #typescript #NoBSTS