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@dxos/react-focus

v0.16.0

Published

Composite-widget focus management primitives for React.

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Links

Git

Maintainers

richburdonrichburdonmarik_dmarik_dwittjosiahwittjosiahdxos-botdxos-botmykola-vrmchkmykola-vrmchk

Keywords

Readme

@dxos/react-focus — composite-widget focus primitives

Headless focus management for widgets the user reaches with one Tab and then moves around inside with the arrow keys, plus the app's hotkey registry. No theme, no tokens, no components — the runtime dependencies are React, the DOM, @zag-js/hotkeys for the hotkey store, and @dxos/util for platform detection.

  • useFocusGroup — arrow-key navigation across a container's items (axis) and a Tab boundary around them (tabBehavior). One hook takes both.
  • findFirstFocusable / findLastFocusable — plain DOM queries, no hook.
  • trackKeyboardModality — reflects keyboard-vs-pointer navigation onto the document body.

Replaces @fluentui/react-tabster, whose Mover/Groupper runtime cost 68 KB of the eager boot graph for the four hooks this repo used.

Themed components built on this — Focus.Group, Focus.Item — live in @dxos/react-ui, which is where the theme is.

Design, alternatives and the test plan: docs/FOCUS.md.