feat(memento): implemented fluent memento pattern#53
Merged
JerrettDavis merged 1 commit intomainfrom Oct 9, 2025
Merged
Conversation
Contributor
There was a problem hiding this comment.
Pull Request Overview
This PR implements a fluent Memento pattern for capturing and restoring immutable snapshots of mutable state with undo/redo functionality.
- Implements a generic
Memento<TState>class with fluent builder configuration for cloning, equality comparison, and capacity management - Adds comprehensive documentation and examples demonstrating text editor history use cases
- Includes complete test coverage for core functionality including undo/redo, capacity eviction, duplicate suppression, and branching scenarios
Reviewed Changes
Copilot reviewed 10 out of 10 changed files in this pull request and generated 3 comments.
Show a summary per file
| File | Description |
|---|---|
| src/PatternKit.Core/Behavioral/Memento/Memento.cs | Core Memento implementation with fluent builder pattern |
| src/PatternKit.Examples/MementoDemo/MementoDemo.cs | Text editor demo showcasing practical Memento usage |
| test/PatternKit.Tests/Behavioral/Memento/MementoTests.cs | Unit tests for core Memento functionality |
| test/PatternKit.Examples.Tests/MementoDemo/MementoDemoTests.cs | Integration tests for the demo implementation |
| docs/patterns/behavioral/memento/memento.md | Comprehensive documentation with API reference and examples |
| docs/examples/text-editor-memento.md | Detailed example documentation for the text editor demo |
| docs/index.md | Updated pattern list to include Memento |
| docs/examples/toc.yml | Added table of contents entry for Memento example |
| docs/examples/index.md | Updated examples index with Memento demo description |
| README.md | Updated main README pattern list to mark Memento as completed |
Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.
Contributor
Code Coverage |
Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #53 +/- ##
==========================================
+ Coverage 77.19% 84.23% +7.03%
==========================================
Files 53 55 +2
Lines 3978 4206 +228
Branches 594 636 +42
==========================================
+ Hits 3071 3543 +472
+ Misses 701 663 -38
+ Partials 206 0 -206
Flags with carried forward coverage won't be shown. Click here to find out more. ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
|
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
No description provided.