Petar PetrovandGitHub 9ba003f86a Only re-render context consumers when the selected value changes (#52885) ...

The consume* decorators paired @lit/context's @consume({ subscribe: true })
with @transform to narrow a context down to a single value. ContextConsumer
calls host.requestUpdate() on every provider notification, so every consumer
ran an (often empty) render cycle on every unrelated statesContext change.

Replace the built-in consumer with a small reactive controller that subscribes
the same way but leaves update scheduling to the property setter, which already
gates on hasChanged. A render is now requested only when the selected value
actually changes.

2026-07-07 18:31:34 +02:00

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consume-context-entry.test.ts

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