Confused on why upgrading from a route handler isn't allowed in Bun. | Bun | Page 1

shrewd coral Jul 10, 2025, 11:15 AM

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Why isn't upgrading from multiple routes just supported? This would be so clean and useful for me if it worked:

slender pollen Jul 11, 2025, 7:28 AM

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websocket can not be upgrade from a "POST" request ?

shrewd coral Jul 11, 2025, 7:28 AM

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Sorry

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I talked about this in #general with one of the moderators here.

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Basically, what I was doing was using a POST request with the websocket, which is invalid and not supported by the spec to be upgraded or support upgrading.

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Another issue was that the type annotations for serve didn't support having routes and websocket in the same object passed in, which I was told to just use /* @ts-ignore */ for

#Confused on why upgrading from a route handler isn't allowed in Bun.