Typescript function to extract item & index from an array with items containing an "id" property

findItemAndIndexById.ts

const findItemAndIndexById = <T extends { id: string }>(
  id: string,
  tabWithId: T[]
):
  | {
      item: T;
      index: number;
    }
  | undefined => {
  let itemIndex = -1;
  const item = tabWithId.find((item, index) => {
    itemIndex = index;
    return item.id === id;
  });
  if (item) {
    return {
      item,
      index: itemIndex
    };
  } else return undefined;
};