Function wrapArray

packages/react/src/TreeView/useTypeahead.ts:95–97

* Wraps an array around itself at a given start index * * @example * wrapArray(['a', 'b', 'c', 'd'], 2) // ['c', 'd', 'a', 'b']

(array: T[], startIndex: number)

 * wrapArray(['a', 'b', 'c', 'd'], 2) // ['c', 'd', 'a', 'b']
 */
function wrapArray<T>(array: T[], startIndex: number) {
  return array.map((_, index) => array[(startIndex + index) % array.length])
}