Dwifft
A Swift library for calculating diffs between collections with UIKit bindings for automatic table/collection view updates.
What is Dwifft?
Dwifft is a Swift library that calculates differences between two collections using the Longest Common Subsequence algorithm. It provides the exact edit operations needed to transform one collection into another, with built-in UIKit bindings that automatically animate UITableView and UICollectionView updates when underlying data changes.
iOS developers building apps with UITableView or UICollectionView that display dynamic, changing data and want smooth animated transitions without manual index path calculations.
Developers choose Dwifft because it handles the complex index math required for reliable diffing with 100% test coverage, provides automatic animated UI updates, and is significantly faster than naïve implementations while maintaining a small, flexible codebase.
Overview
Swift Diff
Use Cases
Best For
- Automatically animating UITableView updates when array data changes
- Synchronizing UICollectionView with dynamic multi-section data
Related Projects
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