Fix duplicate HTML5 backend error in file explorer #7723
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manzt
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| "react-aria-components": "^1.13.0", | ||
| "react-codemirror-merge": "4.25.4", | ||
| "react-dnd": "^16.0.1", | ||
| "react-dnd-html5-backend": "^16.0.1", |
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react-aborist was on 14. im down for 16, but does this still work? I guess if the types work
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Yeah the types seem to be fine and we dedupe in vite?
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The file explorer uses `react-arborist` which internally uses `react-dnd`. When multiple `Tree` components mount or when other `react-dnd` contexts exist, this causes the "Cannot have two HTML5 backends at the same time" error since react-dnd only allows a single HTML5Backend instance. These changes add a shared DnD provider wrapper that creates a single `DragDropManager` instance scoped to the file explorer panel. The Tree component receives this manager via the `dndManager` prop, preventing it from creating its own conflicting backend. The wrapper also scopes the backend to a specific root element to avoid conflicts with any other drag-and-drop functionality elsewhere in the app.
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The file explorer uses
react-arboristwhich internally usesreact-dnd. When multipleTreecomponents mount or when otherreact-dndcontexts exist, this causes the "Cannot have two HTML5 backends at the same time" error since react-dnd only allows a single HTML5Backend instance.These changes add a shared DnD provider wrapper that creates a single
DragDropManagerinstance scoped to the file explorer panel. The Tree component receives this manager via thedndManagerprop, preventing it from creating its own conflicting backend. The wrapper also scopes the backend to a specific root element to avoid conflicts with any other drag-and-drop functionality elsewhere in the app.