Amina Bešlija
Amina Bešlija

Deno 1.5 Sees 3x Bundling Performance Improvement Due to Rust-Based JavaScript/TypeScript Compiler

by Bruno Couriol The team behind the Deno runtime for the JavaScript and TypeScript recently released Deno 1.5. This new version improves bundling time by using Rust-based JavaScript/TypeScript compiler swc, and further reduces bundle size with tree-shaking. Deno 1.5 implements the alert, confirm, and prompt web platform APIs. This may allow developers to write simple interactive applications in the terminal. Deno’s team refactored Deno’s TypeScript compiler infrastructure to use swc. The latter is a JavaScript/TypeScript compiler and bundler written in Rust. Swc claims to be 20 times faster than the Babel compiler on a single thread — and 70 times faster on one four-core benchmark.


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