WordPress Block Transform from ACF Repeater Block

editor.js

/** Transform from an ACF block with repeating rows, to a custom block with child blocks
the content field on the ACF Block is a WYSIWIG Editor so we translate it to RAW HTML and pass it as inner blocks to the new accordion panel **/

wp.hooks.addFilter(
    'blocks.registerBlockType',
    'local27/accordion-transform',
    function( settings, name ) {
        if ( name === 'acf/accordion' ) {
            settings.transforms = {
                to: [
                    {
                        type: 'block',
                        blocks: [ 'carkeek-blocks/accordion' ],
                        transform: ( attributes ) => {
                            const count = attributes.data.accordion_repeater;
                            let innerBlocks = [];
                            for (let x = 0; x < count; x++) {
                                const content = wp.blocks.rawHandler({
                                    HTML: attributes.data['accordion_repeater_' + x + '_accordion_content'],
                                  });
                                const blocks = wp.blocks.createBlock( 'carkeek-blocks/accordion-panel', { title: attributes.data['accordion_repeater_' + x + '_accordion_title'], 'inheritedHeaderStyle': 'h3' }, content);
                                innerBlocks.push(blocks);
                            }
                            return wp.blocks.createBlock( 'carkeek-blocks/accordion', {}, innerBlocks );
                        }
                    }
                ]
            }
        }
      return settings;
    }
  );