feat(cdk-experimental/ui-patterns): create List behavior #31601
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- Adds a new `List` behavior class to `@angular/cdk-experimental/ui-patterns/behaviors`. - This new behavior composes the existing `ListFocus`, `ListNavigation`, `ListSelection`, and `ListTypeahead` behaviors into a single, cohesive class for managing the state and interactions of a list-based component. - This behavior is intended to be unify the copy/pasted logic in `ListboxPattern`, `TreePattern`, `RadioGroupPattern`, and any other patterns where it makes sense. The `List` behavior provides a simplified, high-level API for common list operations, including: - Navigation (`next`, `prev`, `first`, `last`) - Selection (single, multi, range) - Typeahead search - Focus management (`roving` and `activedescendant`)
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Listbehavior class to@angular/cdk-experimental/ui-patterns/behaviors.ListFocus,ListNavigation,ListSelection, andListTypeaheadbehaviors into a single, cohesive class for managing the state and interactions of a list-based component.ListboxPattern,TreePattern,RadioGroupPattern, and any other patterns where it makes sense.The
Listbehavior provides a simplified, high-level API for common list operations, including:next,prev,first,last)rovingandactivedescendant)