SMRTR ProgrammingOct 30, 2024LogRocket

Building Node.js modules in Rust with NAPI-RS

SMRTR summary

NAPI-RS allows building Node.js modules using Rust for improved performance. An image resizer module was created to demonstrate NAPI-RS capabilities. The Rust-based resizer was compared to the popular Sharp library, initially performing slower. However, after optimizing with the Rayon crate for parallel processing, the NAPI-RS resizer became about twice as fast as Sharp. For 10,000 images, the optimized NAPI-RS resizer took 266,076 ms compared to Sharp's 551,381 ms. This showcases NAPI-RS's potential for creating efficient Node.js add-ons using Rust.

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