Function buildCloudImage

cy/cy.ts:325–338

(client: any, target: any, limit: number)

}

async function buildCloudImage(client: any, target: any, limit: number): Promise<{ png: Buffer; validMessages: number }> {
  const messages = await fetchRecentMessages(client, target, limit);
  const counts = new Map<string, number>();
  let validMessages = 0;
  for (const item of messages) {
    const text = messageText(item);
    if (!text || text.startsWith(mainPrefix)) continue;
    validMessages++;
    collectWords(text, counts);
  }
  const words = buildWordItems(counts);
  if (!words.length) throw new Error("没有统计到足够的热词。");
  return { png: renderWordCloud(words, limit, validMessages), validMessages };
}

async function sendCloudToTarget(client: any, target: any, limit: number, replyTo?: number): Promise<void> {
  const { png } = await buildCloudImage(client, target, limit);