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

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

import { heading as headingFactory } from '../../next-schema/generated/nodeTypes';

/**
 * @name heading_node
 */

/**
 * @name heading_with_no_marks_node
 */

// Check `paragraph` node for why we are doing things like this
/**
 * @name heading_with_alignment_node
 */

/**
 * @name heading_with_indentation_node
 */

const getAttrs = level => domNode => ({
  level,
  localId:
  // eslint-disable-next-line @atlaskit/editor/no-as-casting
  domNode.getAttribute('data-local-id') || null
});
export const heading = headingFactory({
  parseDOM: [{
    tag: 'h1',
    getAttrs: getAttrs(1)
  }, {
    tag: 'h2',
    getAttrs: getAttrs(2)
  }, {
    tag: 'h3',
    getAttrs: getAttrs(3)
  }, {
    tag: 'h4',
    getAttrs: getAttrs(4)
  }, {
    tag: 'h5',
    getAttrs: getAttrs(5)
  }, {
    tag: 'h6',
    getAttrs: getAttrs(6)
  }],
  toDOM(node) {
    const {
      level,
      localId
    } = node.attrs;
    const name = 'h' + level;
    const attrs = localId !== undefined && localId !== null ? [{
      'data-local-id': localId
    }] : [];
    return [name, ...attrs, 0];
  }
});