Function buildThreadPanelIndex

desktop/src/features/messages/lib/threadPanel.ts:195–210

(
  messages: TimelineMessage[],
  unreadReplyIds: ReadonlySet<string> = new Set(),
)

}

export function buildThreadPanelIndex(
  messages: TimelineMessage[],
  unreadReplyIds: ReadonlySet<string> = new Set(),
): ThreadPanelIndex {
  const messageById = new Map(messages.map((message) => [message.id, message]));

  return {
    directChildrenByParentId: buildDirectChildrenByParentId(messages),
    descendantStatsByMessageId: buildDescendantStatsByMessageId(
      messages,
      unreadReplyIds,
      messageById,
    ),
    messageById,
  };
}

function buildSummaryForDirectReplies(
  messageId: string,