Add sandbox support to @cloudflare/vite-plugin#12794
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edmundhung merged 2 commits intocloudflare:mainfrom Mar 12, 2026
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Add sandbox support to @cloudflare/vite-plugin#12794edmundhung merged 2 commits intocloudflare:mainfrom
edmundhung merged 2 commits intocloudflare:mainfrom
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3 tasks
create-cloudflare
@cloudflare/kv-asset-handler
miniflare
@cloudflare/pages-shared
@cloudflare/unenv-preset
@cloudflare/vite-plugin
@cloudflare/vitest-pool-workers
@cloudflare/workers-editor-shared
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Looks great! Thanks @aron-cf.
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This commit ensures that all websocket requests (including those that use the vite-hmr protocol) are routed to the worker. This fixes a minor issue where the plugin will drop HMR requests from sandbox preview URLs. The handler now checks to see if the host matches the pattern used by sandboxes. `<port>-<sandbox_id>-<token>.localhost`. The URL provided to the `dispatchFetch` call also now correctly includes the origin where previously it would just use `http://localhost` as a placeholder. This was breaking the `proxyToSandbox()` call in the worker itself.
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Co-authored-by: Edmund Hung <me@edmund.dev>
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This commit ensures that all websocket requests (including those that
use the vite-hmr protocol) are routed to the worker. This fixes a minor
issue where the plugin will drop HMR requests from sandbox preview URLs.
The handler now checks to see if the host matches the pattern used by
sandboxes.
<port>-<sandbox_id>-<token>.localhost.The URL provided to the
dispatchFetchcall also now correctly includesthe origin where previously it would just use
http://localhostas aplaceholder. This was breaking the
proxyToSandbox()call in the workeritself.