Test for blocks within reusable blocks
WordPress has a handy function called has_block() that tests whether your page or post uses a particular block type.
Posts tagged “wp-blocks”
Restrict WordPress blocks by post type
When building custom blocks for the WordPress editor, sometimes we want to make them only available on specific post types.
Block editor link control for custom post types
The WordPress block editor supports a link picker that we can add to our custom blocks. The best bit is we can restrict its searches to a post type of our choosing.