Core WordPress block registration and rendering system. This directory contains components, edit wrappers, and metadata required for Gutenberg block editor functionality across themes and plugins.
block.js
Core block registration interface
index.js
Block initialization script
editor.scss
Editor interface styling
style.scss
Frontend block rendering styles
metadata.js
Block serialization metadata
category-registry.js
Block category management
Development and modification requires modern JavaScript tooling (Webpack, Babel). Handle with developer caution.