@atlaskit/adf-schema/dist/es2019/schema/nodes/unsupported-block.js

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

export const unsupportedBlock = {
  inline: false,
  group: 'block',
  atom: true,
  selectable: true,
  attrs: {
    originalValue: {
      default: {}
    }
  },
  parseDOM: [{
    tag: '[data-node-type="unsupportedBlock"]',
    getAttrs: dom => ({
      originalValue: JSON.parse(dom.getAttribute('data-original-value') || '{}')
    })
  }],
  toDOM(node) {
    const attrs = {
      'data-node-type': 'unsupportedBlock',
      'data-original-value': JSON.stringify(node.attrs.originalValue)
    };
    return ['div', attrs, 'Unsupported content'];
  }
};