Function reorderTabInTabset

src/browser/utils/rightSidebarLayout.ts:302–339

(
  state: RightSidebarLayoutState,
  tabsetId: string,
  fromIndex: number,
  toIndex: number
)

}

export function reorderTabInTabset(
  state: RightSidebarLayoutState,
  tabsetId: string,
  fromIndex: number,
  toIndex: number
): RightSidebarLayoutState {
  const tabset = findTabset(state.root, tabsetId);
  if (tabset?.type !== "tabset") {
    return state;
  }

  if (
    fromIndex === toIndex ||
    fromIndex < 0 ||
    toIndex < 0 ||
    fromIndex >= tabset.tabs.length ||
    toIndex >= tabset.tabs.length
  ) {
    return state;
  }

  return {
    ...state,
    root: updateNode(state.root, tabsetId, (node) => {
      const nextTabs = [...node.tabs];
      const [moved] = nextTabs.splice(fromIndex, 1);
      if (!moved) {
        return node;
      }

      nextTabs.splice(toIndex, 0, moved);
      return {
        ...node,
        tabs: nextTabs,
      };
    }),
  };
}

export function selectTabInFocusedTabset(
  state: RightSidebarLayoutState,