js-csp/js-csp

Health v2 · maintenance only

Flags: no_license

Adoption not part of the score

2319 stars · 119 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

js-csp is a JavaScript library implementing communicating sequential processes (CSP), providing Go-style channels and goroutines via generators. It is a close port of ClojureScript's core.async, using yield-based processes instead of macros.

Use cases

• coordinate concurrent tasks with channels in JavaScript
• write Go-style producer/consumer pipelines in Node.js
• replace callback-based async code with CSP channels
• port core.async or Go channel patterns to JavaScript
• synchronize worker-like processes using put/take operations

When to choose

• you want CSP channels in JavaScript similar to ClojureScript core.async or Go
• you prefer generator-based async coordination over promises or callbacks
• you need buffered/unbuffered channels, timeouts, and process spawning in JS

When to avoid

• you need a actively maintained library with ongoing support
• you are targeting modern async/await codebases where async iterators or RxJS fit better
• you need multiplexing, pub/sub, or deadlock detection, which are underdeveloped

Facets

library · maturity maintenance

concurrency developer-tools programming-languages browser csp channels core-async generators go-style-concurrency nodejs javascript

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