In this article we will look at what's involved in creating a custom checkout pane. The example checkout pane will enable a customer comments section in the Order Information step.
Backend
This article shows how to create a select field filter for an existing views field. This works great for date fields where you want the user to select "Past events" or "Current events" from an exposed filter.
So you've got a View with an exposed filter on an Entity Reference field? And the exposed filter is only allowing you to pass through the Entity ID? I had the same problem... but lucky for you, I've found a solution and I'm sharing it with you!
In addition to the comment notification hook I recently blogged about, I’ve created a custom Webform Handler that sends a notification to slack each time a new submission is made.
I recently created a custom module for the Lil Engine website, that will send a message to slack when a new comment is published. This blog will guide you through integrating Slack and Drupal and the tools needed.
If you're looking to extend your WYSIWYG experience with text filters that will provide markup for your code, there are contributed modules out there that can do just this. Although, sometimes what you're given isn't enough and a patch or custom module is required.
Drupal distributions can be ungainly, and unsuitable as a base when you need to customise your application. However, Reservoir has set positioned itself to be the gold standard of Drupal as a headless application.
Making the switch to Composer can be daunting, so here's a leg up to get you started.