feat(calendar): add useSelection hook for date selection#442
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added 7 commits
March 12, 2026 13:30
Add Selection type definitions (Matcher, DateRange, CalendarBodyCell, SelectionCellProps, RangeSelectionCellProps) and matchDate utility for flexible date matching patterns. Unify DateCell and CalendarBodyCell by making CalendarBodyCell extend DateCell, establishing an explicit type contract between calendar core and selection layers.
Implement useSelection hook supporting three selection modes: - single: select one date with optional required constraint - range: select date range with min/max day constraints - multiple: toggle multiple dates with min/max count constraints Each mode enriches the calendar body cells with selection state (isSelected, isDisabled, isRangeStart, isRangeEnd, isInRange), enabling headless rendering of selection UI. Internally split into useSingleSelection, useRangeSelection, and useMultipleSelection to comply with Rules of Hooks while exposing a single useSelection entry point.
Add storybook stories demonstrating three selection modes: - Single: select one date, weekends disabled - Range: select date range with min/max constraints - Multiple: toggle up to 5 dates, past dates disabled
Add React example page showcasing useSelection hook with three tabbed demos (Single, Range, Multiple) using Chakra UI Table components, consistent with the existing calendar example style.
Move matchDate/matchDateArray tests from useSelection.test.ts into
a dedicated matchDate.test.ts, consistent with other utility tests.
Add edge case coverage:
- empty Date[] and { dayOfWeek: [] }
- { before }/{ after } boundary exclusivity
- { from, to } with same-day range
- time-insensitive Date comparison
- always true/false function matchers
- Date[] treated as single Matcher vs Matcher[]
- mixed Matcher array with multiple matcher types
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This was referenced Mar 24, 2026
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Summary
useSelectionhook supporting three selection modes: single, range, and multipleMatchersystem for flexible date disabling (Date,Date[],{ before },{ after },{ from, to },{ dayOfWeek }, custom function)API
Selection Modes
selectedtypesingleDate | undefinedrequiredoptionrangeDateRange | undefinedmin/maxday constraintsmultipleDate[]min/maxcount constraintsDemo