From what I can tell, registering it with ‘customClassName’ => false in the supports array in register_block_type prevents the actual style class from being saved to the raw text of the page. I had assumed it would dynamically insert it during the_content when it parses the blocks. In fact there’s no point in me registering … Read more
You can check out the code of the paragraph (and heading) block. It’s open source code !yay! Let it inspire you. <RichText … onSplit={ ( value ) => { if ( ! value ) { return createBlock( name ); } return createBlock( name, { …attributes, content: value, } ); } } onMerge={ mergeBlocks } … … Read more
Use a React Component in conjunction with Blocks
Use a server side rendered block, use register_block_type to register the block in PHP, and specify a PHP function to render the blocks output using the render_callback option. Then, in the blocks JS implementation, return null in the save method. You can retrieve the current author from the WP Core data store for previewing purposes … Read more
SOLVED — it was a plugin conflict from a very old custom plugin that was on there – turns out its key to the build of the site though so time to figure out which part of the plugin is conflicting
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