State Management · Middle · Question 75 of 75

How do you integrate a WebSocket price feed into SWR's cache?

✓Correct answer: With useSWRSubscription, which subscribes to a source and pushes updates into the key's data
2With refreshInterval: 0
3WebSockets can't be used with SWR

Explanation

Subscriptions are deduplicated by key like normal requests, so several components share one socket subscription.

Further reading

SWR: Subscription ↗

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