@atlaskit/adf-schema/dist/es2019/schema/nodes/expand.js

Shared package that contains the ADF-schema (json) and ProseMirror node/mark specs

/**
 * @name expand_node
 */

/**
 * @name expand_with_no_mark_node
 */

/**
 * @name expand_with_breakout_mark_node
 */

function getExpandAttrs(domNode) {
  const dom = domNode;
  return {
    title: dom.getAttribute('data-title'),
    __expanded: true
  };
}
export const expand = {
  inline: false,
  group: 'block',
  marks: 'dataConsumer fragment unsupportedMark unsupportedNodeAttribute',
  content: '(paragraph | panel | blockquote | orderedList | bulletList | rule | heading | codeBlock | mediaGroup | mediaSingle | decisionList | taskList | table | blockCard | embedCard | extension | unsupportedBlock)+',
  isolating: true,
  selectable: true,
  attrs: {
    title: {
      default: ''
    },
    __expanded: {
      default: true
    }
  },
  parseDOM: [{
    context: 'table//',
    tag: 'div[data-node-type="expand"]',
    getAttrs: getExpandAttrs
  }, {
    context: 'expand//',
    tag: '[data-node-type="expand"]',
    skip: true
  }, {
    context: 'nestedExpand//',
    tag: '[data-node-type="expand"]',
    skip: true
  }, {
    tag: '[data-node-type="nestedExpand"] button',
    ignore: true
  }, {
    tag: '[data-node-type="expand"] button',
    ignore: true
  }, {
    tag: 'div[data-node-type="expand"]',
    getAttrs: getExpandAttrs
  }],
  toDOM(node) {
    const attrs = {
      'data-node-type': 'expand',
      'data-title': node.attrs.title,
      'data-expanded': node.attrs.__expanded
    };
    return ['div', attrs, 0];
  }
};
export const toJSON = node => ({
  attrs: Object.keys(node.attrs).filter(key => !key.startsWith('__')).reduce((obj, key) => {
    obj[key] = node.attrs[key];
    return obj;
  }, {})
});