Engineering lead for @typescript. Now at bsky.app/profile/searyanc.deβ¦
Joined February 2013
- Tweets 8,325
- Following 383
- Followers 8,524
- Likes 5,441
717 Photos and videos
Pinned Tweet
Trying out Twitter 2: The Twittening. Follow @ bsky.app/profile/searyanc.deβ¦
2
3
9,277
Ryan Cavanaugh π searyanc.dev on bsky retweeted
14 Mar 2025
LIVE NOW with @ahejlsberg:
1
4
30
6,117
Ryan Cavanaugh π searyanc.dev on bsky retweeted
11 Mar 2025
Several of you asked me why TypeScript chose Go instead of C#, and what that decision implies about Microsoft's commitment to C# and .NET.
See
github.com/microsoft/typescr⦠by @ahejlsberg
TL;DR nothing has changed.
#dotnet #csharp
11 Mar 2025
Thrilled to announce... devblogs.microsoft.com/typesβ¦
62
99
779
199,846
Ryan Cavanaugh π searyanc.dev on bsky retweeted
11 Mar 2025
The new TypeScript is *really* fast
9
13
236
30,232
Ryan Cavanaugh π searyanc.dev on bsky retweeted
11 Mar 2025
Today we're thrilled to announce our effort to port the TypeScript compiler and language service to native code, gaining a 10x speed boost in build times and editor responsiveness!
devblogs.microsoft.com/typesβ¦
159
1,344
6,749
1,226,437
Ryan Cavanaugh π searyanc.dev on bsky retweeted
11 Mar 2025
Thrilled to announce... devblogs.microsoft.com/typesβ¦
212
1,388
8,743
1,464,916
Ryan Cavanaugh π searyanc.dev on bsky retweeted
9 Mar 2025
β¨What a dream come true!β¨ The co-creator of @typescript himself, @ahejlsberg, took some time to look at the Doom project!
We also had a chance to chat about other TypeScript topics more broadly - and that video will go live in a few days!
DREAM. COME. TRUE.π
ALT TypeScript Types in Doom featuring Anders Hejlsberg, co-creator of TypeScript
1
10
93
6,454
Ryan Cavanaugh π searyanc.dev on bsky retweeted
26 Feb 2025
Doom now runs in @typescript types. What a journey this one's been.
93
439
3,064
429,933
Please, for the love of god, do not abuse this flag. It's not here for aesthetic reasons to let you write paths that are actually misleading.
30 Sep 2024
Turns out I was totally off-base with a post I made last week.
You'll never need to write a `.js` import again, thanks to this new flag in TS 5.7.
The TS team changed their mind. This is massive.
π§΅
7
9
149
56,182
Blue pill: Correct and consistent mental model that requires one step of understanding
Red pill: Easy mental model that yields inconsistent or incorrect results
Me to JS devs: ... did you just take both pills?
2
1
39
6,094
ALT Mental gymnastics Simple: write the path that works at runtime Complex; Write the wrong path, then turn on a flag to use a regex, then learn when the regex applies, then the regex makes the path right again. Separately learn if "await import" acts like static import or readFile
5
5
41
5,571
Ryan Cavanaugh π searyanc.dev on bsky retweeted
20 Jun 2024
TypeScript 5.5 is now available! πβ¨
Now with
β
Inferred Type Predicates
β
RegEx syntax checks
β
The JSDoc @βimport Tag
β
${configDir} for easier tsconfig inheritance
β
--isolatedDeclarations
β
Lots of new optimizations
And more! Try it today!
devblogs.microsoft.com/typesβ¦
19
484
1,902
226,958
Ryan Cavanaugh π searyanc.dev on bsky retweeted
25 Apr 2024
Announcing TypeScript 5.5 Beta! π£
Now with type predicate inference, more type narrowing, an @βimport tag for JSDoc, the --isolatedDeclarations flag, performance & reliability improvements, and much more!
devblogs.microsoft.com/typesβ¦
9
185
867
129,311
The line between data and code is not as clear as the Jedi would have you believe
5
1,546
What would you change about the output of tsc --init?
17
3
6
7,782
Increasing the fidelity of types in TypeScript using arranged field definitions
github.com/microsoft/TypeScrβ¦
3
6
39
7,532
Ryan Cavanaugh π searyanc.dev on bsky retweeted
18 Mar 2024
Nice writeup of TypeScript's new ability to infer type predicates from @mattpocockuk. I'm 0% surprised that Matt beat me to writing a blog post about this :)
17 Mar 2024
I really can't believe they added it.
totaltypescript.com/type-preβ¦
1
2
24
6,096
Ryan Cavanaugh π searyanc.dev on bsky retweeted
15 Mar 2024
Oh, yeeeeah, this has been merged πππππππππ
TS 5.5 is gonna be one of the most epic releases in a while, once again - huge props to @danvdk
github.com/microsoft/TypeScrβ¦
21
84
689
112,696
My wild idea to improve the carbon footprint of @climatearena is that if you take an umbrella to stay dry instead of driving to the arena, they don't make you throw it away when you get there. Thoughts?
3
8
2,014
Ryan Cavanaugh π searyanc.dev on bsky retweeted
12 Jan 2024
`assertUnreachable` is an advanced TypeScript technique popularized in a @StackOverflow post by @SeaRyanC (from the @typescript team). So we thought it'd be cool for Ryan to return to the channel to talk about it!
(πlink belowπ)
ALT `x satisfies never` assertUnreachable MiTS TypeScript TheoryCraft
2
1
8
2,036