Popup Maker: A workaround to fix the alternate close methods not working on back-to-back popups.

listen_for_alternate_close.php

<?php // Ignore this first line when copying to your child theme's functions.php file.

/**
 * Listen for alternate close
 *
 * A workaround to fix the alternate close methods not working on back-to-back popups.
 * 
 */
function listen_for_alternate_close() { ?>
 	<script type="text/javascript">
/*
 * Listen for:
 * 1) a click outside the popup content div tag 
 * 2) the esc key
 * 3) the f4 key
 */
jQuery(document).ready(function($) {
	const pumPrefix = '#pum-';
        const popupIdArray = ['1234', '4567', '7890']; // Change to your popup IDs.
	
	let popupId = ''; // Need this to be a global because altCloseEventHandler() needs it.

	function altCloseEventHandler(e) {
		const popupContentDiv = $(`#popmake-${popupId}`);
      		if ((popupContentDiv.has(e.target).length === 0) || // Outside the popup content.
			(e.keyCode === 27) || // The "Esc" key (27).
           		(e.keyCode === 115)) // The "F4" key (115).
	  	{
        		console.log(`Popup ${popupId}: You clicked outside the popup, pressed esc, or pressed F4.`);
        		PUM.close(popupId); 
    		} // if
    	} // altCloseEventHandler()
	
	function listenForClose(popupSelector) { 
    		$(document).on(`click.${popupId} keyup.${popupId}`, altCloseEventHandler);
  	}

	// Just to be safe.
  	function turnOffCloseListener(popupId) { 
    		$(document).off(`click.${popupId} keyup.${popupId}`, altCloseEventHandler);
		console.log(`Should've turned off close listener for popup ${popupId}`);
  	}

	// Prep all listeners for each popup. 
  	$.each(popupIdArray, function(i, val) {
		const popupSelector = pumPrefix + val;
    		console.log(`Setting close listeners for ${popupSelector}.`);
    		$(popupSelector).on('pumAfterOpen', function () {
	  		popupId = val; // Set the global popup ID.
      			listenForClose(popupSelector);
    		});
    		console.log(`Setting up listeners to remove close listeners for ${popupSelector}.`);
    		$(popupSelector).on('pumAfterClose', function () {
      			turnOffCloseListener(val);
		});
  	}); // $.each()

}); // jQuery()
 	</script>
<?php }
add_action( 'wp_footer', 'listen_for_alternate_close', 500 );