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Gabriel Vergnaud

@GabrielVergnaud • 7,394 subscribers

Programming language nerd • OSS contributor • Author of TS-Pattern • Staff Eng @MistralAI My TypeScript course 👉 https://t.co/0GmYbCJKEj

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Ok, my brain is exploding.

Ok, my brain is exploding.

Gabriel Vergnaud

623,041 Aufrufe • vor 3 Jahren

Here is another reason why I like Type Catalogs. They can easily be transformed with Mapped Types! ✨ Full code snippet in thread 🧵👇

Here is another reason why I like Type Catalogs. They can easily be transformed with Mapped Types! ✨ Full code snippet in thread 🧵👇

Gabriel Vergnaud

59,583 Aufrufe • vor 1 Jahr

Template Literal Types are awesome. If you concat `number` and a union of time units, you have a human readable AND type-safe way to provide time values! 👇

Template Literal Types are awesome. If you concat `number` and a union of time units, you have a human readable AND type-safe way to provide time values! 👇

Gabriel Vergnaud

47,725 Aufrufe • vor 1 Jahr

🔥 Built a smarter regex constructor this weekend 🔥 The output of `.exec` is inferred from capturing groups and it supports *named* groups too! Would you use it if this was open source? #TypeScript

🔥 Built a smarter regex constructor this weekend 🔥 The output of `.exec` is inferred from capturing groups and it supports named groups too! Would you use it if this was open source? #TypeScript

Gabriel Vergnaud

47,980 Aufrufe • vor 3 Jahren

I just published TS-Pattern v5! 🙌 👉 [_, …P.array()] variadic tuple patterns 👉 Builtin predicates for string and number patterns 👉 Chain `.optional`, `.or`, `.and`, and `.select` methods 👉 Improved type narrowing And more! 🧵👇

I just published TS-Pattern v5! 🙌 👉 [_, …P.array()] variadic tuple patterns 👉 Builtin predicates for string and number patterns 👉 Chain `.optional`, `.or`, `.and`, and `.select` methods 👉 Improved type narrowing And more! 🧵👇

Gabriel Vergnaud

33,318 Aufrufe • vor 3 Jahren

🚀 Just shipped `.narrow()` in TS-Pattern for deep narrowing! Need to exclude matched cases from deeply nested types? Now you can! Perfect for: 👉 Excluding nested union types 👉 Getting precise types in `.otherwise()` 👉 Avoiding impossible branches More in 🧵👇

🚀 Just shipped `.narrow()` in TS-Pattern for deep narrowing! Need to exclude matched cases from deeply nested types? Now you can! Perfect for: 👉 Excluding nested union types 👉 Getting precise types in `.otherwise()` 👉 Avoiding impossible branches More in 🧵👇

Gabriel Vergnaud

12,921 Aufrufe • vor 1 Jahr

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