j5ik2o/cqrs-es-example-js
This system is a group chat application built on a CQRS (Command/Query Responsibility Segregation) architecture, separating command-side persistence from query-side read models. It manages group chat entities and messages through a functional domain model, exposing operations via GraphQL APIs for both commands and queries. The system supports pluggable persistence backends, allowing the command side to store events in either DynamoDB or Cloud Spanner, while the read model updater processes these events to maintain denormalized views in a MySQL database.
63.2
Adequate · 4 August 2026
9.3k
lines of production code
TypeScript
primary language
1
bus factor · 5 authors in all
2
measurements over time
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About this page
- The description of this project is derived from its own commit history, not from its README.
- The score is its highest published measurement, taken on 4 August 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
- Measured at commit d32c387b55 — the exact code this score is about.
- Scored under rubric rubric-2026.08.19. Score the same commit under that rubric and you get the same number.