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Fast Javascript text diff
Compare items in two sequences to find a longest common subsequence
A JavaScript text diff implementation.
Compare items in two sequences to find a longest common subsequence
Deep diffs two objects, including nested structures of arrays and objects, and return the difference.
Returns an array with only the unique values from the first array, by excluding all values from additional arrays using strict equality for comparisons.
npm package for https://github.com/google/diff-match-patch
Return an object representing the diffs between two objects. Supports jsonPatch protocol
Continuation of a simple and beautiful text diff viewer component made with diff and React
TypeScript definitions for diff-match-patch
Unified diff parser
Modern TypeScript JSON diff library - Zero dependencies, high performance, ESM + CommonJS support. Calculate and apply differences between JSON objects with advanced features like key-based array diffing, JSONPath support, and atomic changesets.
Robust diff, match and patch algorithms to perform operations required for synchronizing plain text
Parse a JSON string that has git merge conflicts, resolving if possible
Returns the git diff of two strings
Apply a diff to an object. Optionally supports jsonPatch protocol
JSON diff & patch (object and array diff, text diff, multiple output formats)
Generates diffs between documents and primitive types
Declarative routing for React web applications
JSON diff
Generates a set of Sanity patches needed to change an item (usually a document) from one shape to another
A git diff component to consume the git unified diff output.
Utilities to diff CDK stacks against CloudFormation templates
Simple ActiveRecord diff functionality
Simple ActiveRecord diff functionality
Auditron tracks who changed what on any ActiveRecord model — storing only the fields that changed, not full snapshots. Ships with a chainable query DSL, built-in log retention, a simple actor lambda, and works with PostgreSQL, MySQL, and SQLite. Zero hard dependencies beyond ActiveRecord.
A simple gem that audit ActiveRecord models' attributes or methods by taking snapshots and diff them for you. Starting from scratch to work with Rails 3.2.2 onwards
Provides GarlandRails::Base class for ActiveRecord, which allows you to save Hashes using snapshots and diffs (in short, it's HashDiff Rails storage).
Content-addressed versioning with branches, merges, diffs, and tags for ActiveRecord models. Like git, but in your database.
Docsmith adds snapshot-based versioning to any ActiveRecord model with zero system dependencies. • Full content snapshots (HTML, Markdown, JSON) for instant rollbacks • Format-aware diff engine: word-level diffs for Markdown, tag-atomic diffs for HTML • Document-level and range-anchored comments with threading and version migration • Per-class configuration, debounced auto-save, lifecycle events, and a clean API Perfect for wikis, CMS pages, API specs, legal documents, or any content that needs an audit trail and inline collaboration.
DraftPunk allows editing of a draft version of an ActiveRecord model and its associations. When it's time to edit, a draft version is created in the same table as the object. You can specify which associations should also be edited and stored with that draft version. All associations are stored in their native table. When it's time to publish, any attributes changed on your draft object persist to the original object. All associated objects behave the same way. Any associated have_many objects which are deleted on the draft are deleted on the original object. This gem doesn't rely on a versioning gem and doesn't store incremental diffs of the model. It simply works with your existing database (plus one new column on your original object).
ActiveModelChangeset provides a lightweight changeset abstraction for Ruby on Rails applications. It combines type casting, attribute normalization, validation and diff calculation into a single object, enabling safe and explicit create/update operations with patch semantics. The gem is designed for service objects and APIs, allowing developers to whitelist attributes, apply transformations, validate input and update models using only changed values, without relying on ActiveRecord callbacks or controllers.