Block-Supports

This directory provides core support infrastructure for Gutenberg blocks, including block attribute validation, feature compatibility management, and backward compatibility layers for legacy theme integration.

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block-features.js

Core feature registration system

attribute-validator.js

Block schema validation logic

compatibility.php

Legacy theme adapter layer

metadata-store.js

Runtime block metadata manager

registration.js

Support API interface registry

legacy-support/

Classic editor bridge components

Contains critical block compatibility systems. Modify only with valid development tools.