AI Briefing
KO

Solving Issues and Improving Performance Caused by Suspense in CSR Environments

·2023.11.23 19:00

Key point

Resolved the sequential API call issue that occurs when using **Suspense** in a CSR environment, improving performance by about 30%.

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Details

When declaratively handling loading via Suspense in a CSR environment, calling multiple pieces of data from a single component causes a Waterfall phenomenon where APIs execute sequentially. This becomes a cause of degraded overall rendering speed, as the next query cannot execute until the first query completes.

The first way to solve this problem is to use the useQueries hook (useSuspenseQueries as of v5) from @tanstack/react-query. This allows multiple API requests to be processed in parallel, moving up the point at which data loading occurs.

The second method involves utilizing the loader from react-router-dom. Through these optimizations that eliminate sequential API calls, a performance improvement of about 30% can be achieved.

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