simple-confirm-leaving-support.js

// Super swanky pseudo-code that prevents customers like me from losing their support message
// when they fat finger the wrong button and navigate away before they're done.

// Making some assumptions about Simple's code. :D
var Simple = Simple || {};

Simple.confirmLeavingSupportMessage = "Hold up! You'll lose what you started typing if you leave.";

// Checks if the customer has started typing a message to support.
Simple.hasDirtySupportMessageField = function() {
  return !!document.querySelector('#ChatView #chat-body').value.trim();
};
 
// This _is_ what it's called, right?
Simple.awesomeNavigationFunction = function() {
  // Before navigating away, make sure the customer hasn't started a support message that would be lost.
  if (this.hasDirtySupportMessageField() && prompt(confirmLeavingSupportMessage)) {
    return false;
  } else {
    // Continue with whatever navigation logic needs to happen.
  }
};

// <3