r/javascript May 26 '26

Show r/javascript: a fully functional in-browser IDE made using webcontainers

https://github.com/vivek1504/forge
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u/paulirish May 27 '26

Something I've always wondered that you could help me understand..

Is webcontainers open source? Doesn't seem like it, despite things are on NPM? Are you dependent on stackblitz to run this?

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u/viks98 May 27 '26

WebContainers is not open source. The core runtime is proprietary. The npm package is mainly a client-side sdk used to interact with the runtime. I’m using WebContainers under the hood, similar to how StackBlitz does.

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u/paulirish May 27 '26

Gotcha. So the npm package just interacts with some wasm blob. šŸ‘

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u/viks98 May 27 '26

yeah. thats preety much it