@esri/calcite-components/dist/types/components/tab/interfaces.d.ts

Web Components for Esri's Calcite Design System.

export interface TabChangeEventDetail {
  /**
   * The tab ID that just became selected
   */
  tab: number | string;
}
export interface TabCloseEventDetail {
  /**
   * The tab ID that just became closed
   */
  tab: number | string;
}