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How Wasmer used Codex to build a Node.js runtime for the edge

OpenAI Blog · 2026-06-03 Cached

Wasmer used OpenAI's Codex to build Edge.js, a Node.js runtime for edge computing running inside a WebAssembly sandbox, reducing development from a year to two weeks.

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#javascript-runtime

Bun.Image

Hacker News Top · 2026-05-23 Cached

Bun.Image is a zero-dependency chainable image pipeline for decoding, resizing, rotating, and re-encoding JPEG, PNG, WebP, HEIC, and AVIF, running off-thread and inspired by Sharp.

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#javascript-runtime

My Thoughts on Bun's Rust Rewrite

Lobsters Hottest · 2026-05-16 Cached

An analysis of Bun's controversial rewrite from Zig to Rust using AI-generated code, raising concerns about 6,755 AI-written commits merged without human review and the risks of AI-translated code in production.

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#javascript-runtime

Bun's Rust rewrite has been merged

Lobsters Hottest · 2026-05-14

Bun, the JavaScript runtime and package manager, has merged a rewrite of its core from Zig to Rust, potentially improving performance and maintainability.

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@trq212: Jarred tried rewriting Bun in Rust and it passes 99.8% of the existing test suite we're not being ambitious enough

X AI KOLs Following · 2026-05-10 Cached

A developer named Jarred successfully rewrote parts of the Bun runtime in Rust, achieving a 99.8% pass rate on the existing test suite, highlighting a discussion on engineering ambition.

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#javascript-runtime

@seclink: Bun is a high-performance JavaScript runtime released in 2022, designed as an alternative to Node.js. Despite its strong performance, its Zig-based codebase faces stability challenges. Sumner used Anthropic's Claude…

X AI KOLs Following · 2026-05-10

Sumner successfully ported 960,000 lines of Bun runtime code from Zig to Rust using Anthropic's Claude AI, demonstrating the significant efficiency potential of AI in code rewriting.

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