Gutenberg extend blocks add new class name

Yes, you can do this via the classnames() function. import classnames from ‘classnames’; const withClass = createHigherOrderComponent( ( BlockListBlock ) => { return ( props ) => { let wrapperProps = props.wrapperProps; wrapperProps = { …wrapperProps, className={ classnames( ‘my-custom-class’, props.className ) } }; return <BlockListBlock { …props } wrapperProps={ wrapperProps } />; }; }, ‘withClass’ … Read more