File Watcher

"use strict";
const fs = require('fs');

// Declare needed variables
const filename = 'most_recent_follower.txt';
const filelocation = 'F:/Web/nodejs/naivebot/server/data/streamlabels/';
const filePath = filelocation + filename;
const changedFiles = {};

// watch file for changes
fs.watchFile(filePath, { encoding: 'utf8' }, (cur, prev) => {

    // read file content for comparison
    const fileInfo = fs.readFileSync(filePath, 'utf8').trim();

    // make file change comparison
    // check existing object info (changedFiles[filename])
    // and compare it to the new data (fileInfo)
    const fileChanged = changedFiles[filename] !== fileInfo;

    // if changes we have a new event not a repeat
    if (fileChanged === true) {
        // send message to chat here
        console.log('Send message to chat here');
    }
    // assign file content to the object for future reference
    changedFiles[filename] = fileInfo;
});