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Deal with messages

Mention​

Only a message in the room can mention(@) others.

import { Message } from 'wechaty'

async function onMessage(message: Message): Promise<void> {
  if (await message.mentionSelf()) {
    const room = message.room()
    if (!room) {
      throw new Error('Should never reach here: a mention message must in a room')
    }

    console.info(message.text())
    // "@bot Hello"
    console.info(await message.mentionList())
    // [bot]
    console.info(await message.mentionText())
    // "Hello"

    const talker = room.talker()
    await room.say`Thanks for mention me! ${talker}`
  }
}

bot.on('message', onMessage)

Self message​

import { Message } from 'wechaty'

async function onMessage(message: Message): Promise<void> {
  if (message.self()) {
    const talker = message.talker()
    const bot = message.wechaty.userSelf()
    assert(talker === bot, 'Message is sent from bot')
    console.info('Message is sent from bot')
  }
}

bot.on('message', onMessage)