Most TS devs dont understand satisfies @mattpocockuk
Most TS devs dont understand satisfies  @mattpocockuk
Uploaded January 2024 | Updated September 2026, 1 week ago
00:00 Intro
00:33 Variable annotations
00:53 What satisfies does
02:01 When satisfies is GOOD
02:39 When variable annotations are BAD
03:41 Outro

New Tutorial: totaltypescript.com/tutorials/solving-typescript-errors

Become a TypeScript Wizard with my free beginners TypeScript Course:

totaltypescript.com/tutorials/beginners-typescript

Follow Matt on Twitter

twitter.com/mattpocockuk

Join the Discord:

mattpocock.com/discord
Most TS devs dont understand satisfiesBranded types have saved my ass so many timesTypeScript is 10X FASTER on a 1.5M LOC CodebaseNew Free Total TypeScript Tutorial! #typescriptLearn anything with the /teach skillWhat is the dumb zone?TypeScript 5.5 is a BANGERMy #1 book recommendation for strategic programmingDont Put Your Types In .d.ts files #typescriptThis change makes /grill-me SO MUCH BETTERNode can DO that? #1Your codebase is NOT ready for AI (heres how to fix it)
Matt Pocock |

Most TS devs don't understand 'satisfies'

SHARE TO X SHARE TO REDDIT SHARE TO FACEBOOK WALLPAPER