Superlifter: A DataLoader for Clojure/script

2023/07/23

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Superlifter is an implementation of DataLoader for Clojure that allows developers to decouple unrelated parts of their application without sacrificing performance. It leverages Urania, a remote data access library for Clojure/script, which enables batching of similar fetches and deduplication via caching.

One of the main motivations behind Superlifter is to provide a way of combining fetches based on time buckets, thresholds, or explicit triggers, rather than by node resolution. This approach simplifies code and avoids the need for prefetching to resolve 1+n problems.

Superlifter offers various features, including vanilla usage, where developers manually fetch data, and other triggers such as queue-size and interval. Developers can also trigger fetches manually using (s/with-superlifter context (s/fetch!)), which returns a promise containing the results of all the fetches.

Overall, Superlifter provides a powerful tool for managing data loading in Clojure applications, allowing developers to optimize performance while maintaining code simplicity. It is a valuable addition to the Clojure ecosystem and worth exploring for those working with Clojure/script.