feat(edge-groups): expose isAutoHide() and toggle auto-hide from the demo context menu

[mathuo]

Right-clicking a tab in an edge group in the demo now offers a checkable Auto-hide edge row, flipping that edge between a pinnable tool window and a static docked panel while the dock runs.

Core

DockviewGroupPanelApi.setAutoHide had no matching getter, so nothing could read back whether an edge group auto-hides. This adds isAutoHide(), alongside the existing isCollapsed() / isPeeking():

const autoHides = api.getEdgeGroup('right')?.isAutoHide(); // boolean

The resolution logic is not new. It delegates to DockviewComponent.isEdgeGroupAutoHide, which was already there: the per-group override if one is set, otherwise the autoHideEdgeGroups option for that edge. Returns false for non-edge groups and before the group is initialised.

Demo

The new row takes the slot held by Float / Popout, neither of which apply to an edge group. Grid groups are unchanged.

It is one toggling item rather than an on/off pair. Every edge group in the demo starts auto-hiding, so in a radio pair the ticked row is the one you would reach for first, and clicking it would do nothing.

Turning auto-hide off also calls expand(). A collapsed edge group loses its click-to-peek trigger along with auto-hide, and its sash is locked at the collapsed size, so without this it is left as a strip with no way to open it. That trap applies to anyone calling setAutoHide(false) directly, so it is called out on the edge groups docs page too.

Testing

• Two new cases in dockviewGroupPanelApi.spec.ts (uninitialised returns false without touching the accessor; initialised delegates to isEdgeGroupAutoHide). Full spec passes, 53 tests.
• Exercised in the running demo on the left and bottom edges, both directions: tick clears and the edge expands to a static docked panel; clicking again restores the tick and the tool-window chrome (pushpin + close, tabs to the bottom).

Noted, not fixed

The tab context menu can render below the viewport for bottom-edge tabs. The menu is in the DOM but positioned off-screen, so nothing appears. It flips upward correctly in some layouts but not others. Pre-existing context-menu positioning, untouched here.

🤖 Generated with Claude Code

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
60.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud