Fix query params not being read/updated correctly in WebSocket mode (#1283) #1326
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…1283) This fixes two bugs in query parameter handling: 1. **initialize_query_params** wasn't clearing existing params before initializing new ones. In WebSocket mode, the Context is persistent across requests (stored in self._contexts), so old query params would stick around when they should be cleared. This caused query params from the URL to not be read correctly on subsequent navigations. 2. **set_query_param** was passing `values=None` to the protobuf when deleting a query param (value=None case), instead of `values=[]`. This caused the URL to not be updated correctly when query params were deleted. These bugs only manifested in WebSocket mode because in regular SSE mode, a new Context is created for each request (stored in Flask's g object). Fixes #1283
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This fixes two bugs in query parameter handling:
initialize_query_params wasn't clearing existing params before
initializing new ones. In WebSocket mode, the Context is persistent
across requests (stored in self._contexts), so old query params would
stick around when they should be cleared. This caused query params
from the URL to not be read correctly on subsequent navigations.
set_query_param was passing
values=Noneto the protobuf whendeleting a query param (value=None case), instead of
values=[].This caused the URL to not be updated correctly when query params
were deleted.
These bugs only manifested in WebSocket mode because in regular SSE mode,
a new Context is created for each request (stored in Flask's g object).
Fixes #1283