$ show AppFlowy-IO/AppFlowy-Web
AppFlowy-Web is a feature-rich collaborative workspace application built with React, TypeScript, and Yjs (CRDT). It provides real-time collaborative document editing via a Slate-based editor, multiple database views (grid, board, calendar, gallery, list, timeline, feed, chart), AI-powered writing assistance and chat, publishing/sharing capabilities, and workspace management. The application is designed as an open-source alternative to Notion, supporting both cloud-hosted and self-hosted deployments. The architecture is a single-page application with Yjs as the core data model for offline-first collaboration, backed by IndexedDB caching and REST/WebSocket APIs. The codebase is extensive (4000+ files) with comprehensive unit and E2E tests, but exhibits moderate technical drift due to mixed UI paradigms (MUI + Radix), complex Yjs observer lifecycle management, and some deprecated environment variable mappings.
The LLM identified 3 files worth highlighting for reuse:
A pure function that parses select option data from Yjs maps into a normalized array of option objects with deduplication and color fallback. This module is self-contained (imports only local types) and can be extracted for any multi-select field parsing scenario, regardless of the data source.
Implements the DataSource interface for fetching published snapshots via HTTP JSON API. Uses a generic fetch with error handling and response validation. The adapter pattern cleanly separates data retrieval from presentation logic, making it reusable for any RESTful JSON resource that follows a similar request/response contract.
A fully typed, animated SVG spinner component built with class-variance-authority (cva) for size and variant variants. It is self-contained, uses only the 'cn' utility for class merging, and can be dropped into any React project as a polished loading indicator.