Files
NetMesh/application/state/resolveSidePanelToggleIntent.ts

19 lines
626 B
TypeScript
Raw Permalink Normal View History

export type SidePanelToggleIntent<T extends string> =
| { kind: 'close' }
| { kind: 'open'; tab: T };
/**
* Decide what the "toggle side panel" shortcut should do.
* - If a panel is open close it.
* - If closed reopen the last-shown sub-panel for the tab, falling back to
* `fallbackTab` when the tab has no remembered panel.
*/
export function resolveSidePanelToggleIntent<T extends string>(input: {
isOpen: boolean;
lastTab: T | null;
fallbackTab: T;
}): SidePanelToggleIntent<T> {
if (input.isOpen) return { kind: 'close' };
return { kind: 'open', tab: input.lastTab ?? input.fallbackTab };
}