text: const fillTheGapNode = {
    attrs: {
      id: { default: '' },
      class: { default: 'fill-the-gap' },
      anser: { default: '' },
    },
    group: 'inline',
    content: 'text*',
    inline: true,
    atom: true,
    excludes: 'fill_the_gap',
    parseDOM: [
      {
        tag: 'span.fill-the-gap',
        getAttrs(dom) {
          return {
            id: dom.getAttribute('id'),
            class: dom.getAttribute('class'),
            answer: dom.getAttribute('answer'),
          };
        },
      },
    ],
    toDOM: node => {
      return ['span', node.attrs, 0];
    },
  };
  
  export default fillTheGapNode;
  