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We deserve a better streams API for JavaScript

We deserve a better streams API for JavaScript

2/27/2026 · James M Snell

What this post added

This post critically analyzes the fundamental usability and performance issues of the WHATWG Streams Standard (Web Streams), which underpins many modern web APIs and Cloudflare Workers. It highlights design decisions made a decade ago that no longer align with current JavaScript development practices, such as excessive ceremony for common operations and a problematic locking model. The post proposes an alternative approach built around JavaScript language primitives that demonstrates significantly faster performance (2x to 120x) and aims to spark a conversation about the future of streaming APIs.

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