batchUpdate.js

let allMessages = [];

function updateMessage() {
	let jobQueue = [];
  let running = false;
  
  return function(message) {
    // whenever the function gets called push the message to a job queue.
  	jobQueue.push(message);
    if(!running) {
    	running = true;
    	setTimeout(() => {
      	allMessages = [...allMessages, ...jobQueue];
        jobQueue = [];
        running = false;
      }, 100)
    }
  }
}