cache-storage-api-calls

Optimize localStorage access by implementing in-memory caching using a Map to store frequently retrieved values, reducing direct synchronous DOM reads and improving overall web application responsiveness.

Frequent sessionStorage access causes performance degradation because browser storage APIs operate synchronously, blocking the main thread. Caching these reads in memory mitigates the bottleneck caused by repeated direct storage calls.

Invalidate cached web storage data by clearing the in-memory Map automatically when browser events like storage and visibilitychange are triggered, ensuring synchronized updates for external storage modifications.

Yes, you can use in-memory caching for document.cookie reads. The caching mechanism mitigates synchronous access bottlenecks for cookies just as effectively as it does for localStorage and sessionStorage values.

The best way to cache user theme settings is to use an in-memory Map that intercepts localStorage reads, updating the cache synchronously on writes and clearing it automatically on visibilitychange events.

You should not use in-memory caching for browser storage APIs if your application requires accessing data immediately after external modifications without relying on storage or visibilitychange events to trigger cache invalidation.