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Fully Reactive Pagination

Blog post from Convex

Post Details
Company
Date Published
Author
Alex Cole
Word Count
1,638
Company Posts That Month
3
Language
English
Hacker News Points
-
Post removed?
No
Summary

Convex offers a reactive backend-as-a-service that simplifies the integration of pagination with real-time data updates for application developers, tackling the technical challenges of maintaining data consistency and correctness in dynamic environments. The platform supports reactive pagination, allowing developers to implement user interfaces with "Load More" buttons or infinite scroll, while ensuring that changes in data do not lead to missing or duplicated items. Convex addresses the limitations of traditional offset pagination, which can result in gaps or overlaps when data changes, by using a cursor-based approach that pins the endpoints of each page, preventing discrepancies in the list of items presented to users. This method keeps pages consistent by "remembering" both start and end points, transforming limit queries into range queries to maintain continuous data flow without additional configuration. Convex’s approach allows seamless integration of reactive pagination using its API and React hooks, providing developers with a robust solution for building scalable, dynamic applications that can adapt to real-time data changes efficiently.

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