block-editor

In the slider-item you can specify parent must be slider. That way, the slider-item cannot be used outside of your slider container block. Something like: registerBlockType(‘ajk/slider-item’, … parent: [‘ajk/slider’], https://wordpress.org/gutenberg/handbook/block-api/#parent-optional

Here’s an untested suggestion, to remove an HTML block of type: <!– wp:block/timed-block {“dateFrom”:”2018-11-14″, “dateTo”:”2018-12-18″} –> <section> … </section> <!– /wp:block/timed-block –> from the rendered content, using the render_block filter (available in 5.0+): add_filter( ‘render_block’, function( $block_content, $block ) { // Remove the block/timed-block from the rendered content. if ( ‘block/timed-block’ === $block[‘blockName’] ) { … Read more

Actually it can be done with the filter: const { createHigherOrderComponent } = wp.compose; const withCustomClassName = createHigherOrderComponent( ( BlockListBlock ) => { return ( props ) => { if(props.attributes.size) { return <BlockListBlock { …props } className={ “block-” + props.attributes.size } />; } else { return <BlockListBlock {…props} /> } }; }, ‘withClientIdClassName’ ); wp.hooks.addFilter( … Read more

Actually InspectorControls is not deprecated. It’s been moved to another namespace or under a different object, which is wp.editor. So the latest way of adding controls in side panel is the following (in JSX) – // Destruct components // Place at the top of the block file const { InspectorControls } = wp.editor; const { … Read more

Gutenberg reusable blocks – is it possible to customise an instance?

How to use getBlockIndex

No fast and easy solution for you. Read discussion here and here. You may try to write some rather sophisticated Gutenberg code to implement this feature, or maybe you could implement some save_post hook to check saved block structure with parse_blocks and do something if they don’t match your required structure. For example, prevent post … Read more

The Block Editor: Disable “Color settings” in the specific block