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## Summary Fixes https://github.com/Comfy-Org/ComfyUI_frontend/issues/5692 by making widget link connection status trigger on change so Vue widgets with connected links could properly switch to the `disabled` state when they are implicitly converted to inputs. ## Changes - **What**: Added `node:slot-links:changed` event tracking and reactive slot data synchronization for Vue widgets ```mermaid graph TD A[Widget Link Change] --> B[NodeInputSlot.link setter] B --> C{Is Widget Input?} C -->|Yes| D[Trigger slot-links:changed] C -->|No| E[End] D --> F[Graph Event Handler] F --> G[syncNodeSlotData] G --> H[Update Vue Reactive Data] H --> I[Widget Re-render] style A fill:#f9f9f9,stroke:#333,color:#000 style I fill:#f9f9f9,stroke:#333,color:#000 ``` ## Review Focus Widget reactivity performance with frequent link changes and event handler memory management in graph operations. ┆Issue is synchronized with this [Notion page](https://www.notion.so/PR-5834-fix-Vue-node-widgets-should-be-in-disabled-state-if-their-slots-are-connected-with-a-link-27c6d73d365081f6a6c3c1ddc3905c5e) by [Unito](https://www.unito.io)
LiteGraph Tests
This directory contains the test suite for the LiteGraph library.
Structure
litegraph/
├── core/ # Core functionality tests (LGraph, LGraphNode, etc.)
├── canvas/ # Canvas-related tests (rendering, interactions)
├── infrastructure/ # Infrastructure tests (Rectangle, utilities)
├── subgraph/ # Subgraph-specific tests
├── utils/ # Utility function tests
└── fixtures/ # Test helpers, fixtures, and assets
Running Tests
# Run all litegraph tests
pnpm test:unit -- tests-ui/tests/litegraph/
# Run specific subdirectory
pnpm test:unit -- tests-ui/tests/litegraph/core/
# Run single test file
pnpm test:unit -- tests-ui/tests/litegraph/core/LGraph.test.ts
Migration Status
These tests were migrated from src/lib/litegraph/test/ to centralize test infrastructure. Currently, some tests are marked with .skip due to import/setup issues that need to be resolved.
TODO: Fix Skipped Tests
The following test files have been temporarily disabled and need fixes:
- Most subgraph tests (circular dependency issues)
- Some core tests (missing test utilities)
- Canvas tests (mock setup issues)
See individual test files marked with // TODO: Fix these tests after migration for specific issues.
Writing New Tests
-
Always import from the barrel export to avoid circular dependencies:
import { LGraph, LGraphNode } from '@/lib/litegraph/src/litegraph' -
Use the test fixtures from
fixtures/directory -
Follow existing patterns for test organization
Test Fixtures
Test fixtures and helpers are located in the fixtures/ directory:
testExtensions.ts- Custom vitest extensionssubgraphHelpers.ts- Helpers for creating test subgraphssubgraphFixtures.ts- Common subgraph test scenariosassets/- Test data files