Menu

Post image 1
Post image 2
Post image 3
1 / 3
0

Rest In Peace, Throw: TypeScript error handling 22x faster in just 1.6KB

DEV Community·Cesar Marcano·21 days ago
#wmGdTllm
Reading 0:00
15s threshold

In TypeScript, we’ve been told that try/catch is the standard for error handling. But there’s a catch: native exceptions are essentially invisible GOTO statements that jump over layers of your application, making it incredibly hard to reason about state. Even worse, because JavaScript allows you to throw anything (from strings to dates), TypeScript is forced to treat every caught error as unknown . This creates a type-erasure effect where your function's failure states become invisible to the compiler and uncontracted in your signatures. I built ripthrow to fix this. It’s a 1.6KB, zero-dependency library that brings Rust-inspired error handling to TypeScript with a focus on pragmatism and raw performance. 22x Performance over native throw Most people don't realize how expensive throw actually is.…

Continue reading — create a free account

Join HashtagPLUS to read full articles, follow hashtags, vote, and join the conversation.

Read More