Drupal Core APIs

To implement a minimal react-datepicker that looks and feels like a USWDS (U.S. Web Design System) component, you can leverage the customInput prop. This allows you to use a standard USWDS text input while letting the library handle the calendar logic. Here is a solution that uses the USWDS design tokens (classes) to create a clean, icon-free field with a CSS-only arrow. 1. The React Component This setup uses the usa-input class for the field and a custom "wrapper" to position the CSS arrow.

I'll break down the key form render array properties in this Drupal 11 form. Here's what each # prefixed key does:


 

Core Form Properties

#type - Defines the render element type (e.g., 'form', 'date', 'submit', 'container') Render API Documentation

1.

In Drupal 11, caching is not just a "setting" you turn on; it is a sophisticated, multi-layered system that handles everything from full-page snapshots for visitors to granular data objects for developers.
At a high level, the system is designed to ensure that if a piece of data has already been calculated once, it should never be calculated again unless it actually changes.
1. The Core Caching Modules
Drupal 11 uses three primary internal mechanisms to handle different types of traffic and content.
| Mechanism | Who it's for | How it works |
|---|---|---|

• Read more about How the Hook System Works in Drupal