텔레그램 봇 정각알림

bot.js

const schedule = require('node-schedule');

schedule.scheduleJob('0 0 * * * *', () => {
    var chatParticipantFile = fs.readFileSync('./chat_participant.txt', 'utf8');
    var chatParticipant = chatParticipantFile.split('\n');
    chatParticipant.forEach((element, index, array) => {
        if (element) {
            bot.sendMessage(element, '정각입니다.', {disable_notification: true});
        }
    });
});

chat_participant.txt

CHAT_ID_0
CHAT_ID_1
CHAT_ID_2
CHAT_ID_3
CHAT_ID_4