[READ-ONLY] Mirror of https://github.com/danielroe/cross-origin-storage. Load shared dependencies from Cross-Origin Storage (COS).
cross-origin-storage
experimental
nuxt
vite
vite-plugin
docs: add roadmap
author
Daniel Roe
date
(Jun 25, 2026, 5:44 PM +0100)
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README.md
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## Packages
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| Package | Description |
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| --- | --- |
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| Package | Description |
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| --------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------- |
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| [`vite-plugin-cross-origin-storage`](./packages/vite-plugin-cross-origin-storage) | The core Vite plugin: content-addressed chunking, bottom-up hashing, and the runtime loader. |
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| [`nuxt-cos`](./packages/nuxt-cos) | A thin Nuxt module wrapping the plugin. |
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| [`nuxt-cos`](./packages/nuxt-cos) | A thin Nuxt module wrapping the plugin. |
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## Status
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This is exploratory. The Cross-Origin Storage API is a [WICG proposal](https://github.com/WICG/cross-origin-storage) with no native browser implementation; today it only works via the [browser extension](https://github.com/web-ai-community/cross-origin-storage-extension). Without COS the loader falls back to ordinary network requests, so builds keep working everywhere.
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The plugin builds on [Thomas Steiner](https://github.com/tomayac)'s original [`vite-plugin-cross-origin-storage`](https://github.com/tomayac/vite-plugin-cross-origin-storage) and is intended as an update of it, with the aim of merging back upstream.
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## 🚧 Roadmap
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- [ ] **Multi-entry / multi-page builds.**
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- [ ] **Opting transitive dependencies out of COS chunking**.
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## Development
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