change unable to add item to cart alert.html

<script>

  $( ( ) => {
  
    /*
    
      change unable to add item to cart alert
      
      License      : < https://tinyurl.com/s872fb68 >
      
      Version      : 0.1d2
      
      SS Version   : 7.0
      
      Templates    : Montauk ( Julia, Kent, Om )
      
      Dependencies : jQuery
      
      Notes        : this effect is not active in SS Preview to test it use
                     private browsing < https://bit.ly/3f6lhq2 >.
                     
      By           : Thomas Creedon < http://www.tomsWeb.consulting/ >
      
      */
      
    const data = {
    
      'SQ9043529' : {
      
        message : 'x',
        
        title : null /* null means don't change the title, to change title
                       replace null with text in single quotes */
        
        }, // notice the comma here
        
      'SQ8187993' : { /* test w */
      
        message : 'Sorry, no space left in this workshop.',
        
        title : null /* null means don't change the title, to change title
                       replace null with text in single quotes */
        
        }, // notice the comma here
        
      'SQ7187559' : { /* test a */
      
        message : 'Sorry, this piece has been sold.',
        
        title : null /* null means don't change the title, to change title
                       replace null with text in single quotes */
        
        },
        
      };
      
    // bail if no mutation observer available
    
    if ( ! ( 'MutationObserver' in window ) ) return;
    
    if ( ! $( '#productWrapper' ).length ) return;
    
    const sku = Static.SQUARESPACE_CONTEXT.product.variants [ 0 ].sku;
    
    if ( ! data.hasOwnProperty ( sku ) ) return;
    
    const observer = new MutationObserver ( function ( mutations ) {
    
      $.each ( mutations, function ( mutation ) {
      
        if ( ! this.addedNodes.length ) return false;
        
        let $e = $( this.addedNodes [ 0 ] );
        
        if ( ! $e.hasClass ( 'sqs-widgets-confirmation' ) ) return;
        
        $( '.message', $e ).text ( data [ sku ].message );
        
        if ( data [ sku ].title !== null )
        
          $( '.title', $e ).text ( data [ sku ].title );
          
        } );
        
      } );
      
    // starts listening for changes in body
    
    observer.observe ( document.body, {
    
      childList : true
      
      } );
      
    } );
    
  </script>