Plate allows arbitrary DOM attributes in element.attributes and leaf.attributes
One longstanding feature of Plate is the ability to add custom DOM attributes to any element or leaf using the attributes property. These attributes are passed to the node component using the nodeProps prop. Note: The attributes prop that is typically rendered alongside nodeProps is unrelated. [{ type: 'p', attributes: { 'data-my-attribute': 'This will be rendered on the paragraph element' }, children: [{ bold: true, attributes: { 'data-my-attribute': 'This will …