castore-dev/castore
This system is an event-sourcing framework that provides core abstractions for managing state through immutable events. It offers a modular architecture with typed command and event definitions, supporting validation via Zod and JSON Schema. The system includes pluggable adapters for message buses (SQS, EventBridge) and event storage (DynamoDB, Redux, HTTP), enabling flexible integration with various backends. Additionally, it provides utilities for data migration, visualization, and in-memory testing.
44.9
Weak · 4 August 2026
17k
lines of production code
TypeScript
with JavaScript
2
bus factor · 18 authors in all
3
measurements over time
How it got here
2022 · Initial project scaffolding and core architecture
This period established the foundational structure of the codebase, introducing a monorepo configuration, core event-sourcing abstractions, and a Pokemon-themed demo application. It also modernized the build system by migrating to ESM and Vitest, while implementing key features like automatic retry logic and typed event handling.
16 changes
2023–2025 · Messaging and adapter expansion
This period focused on expanding the core messaging infrastructure with structured message types, buses, and queues, while introducing a ConnectedEventStore to automate event publishing. The scope broadened to include diverse storage and integration adapters for HTTP, Redux, DynamoDB, AWS EventBridge, and SQS, alongside new command and event type validation using Zod and JSON Schema.
25 changes
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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 c07cfed7ef — 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.