@eeacms/volto-anchors/src/index.js

@eeacms/volto-anchors: Volto add-on

import ScrollToAnchor from './components/ScrollToAnchor';
import { renderLinkElement } from './helpers';

const applyConfig = (config) => {
  config.settings.slate.useLinkedHeadings = true;
  config.settings.slate.elements = {
    ...config.settings.slate.elements,
    h1: renderLinkElement('h1'),
    h2: renderLinkElement('h2'),
    h3: renderLinkElement('h3'),
    h4: renderLinkElement('h4'),
  };

  if (config.settings.slate.useLinkedHeadings) {
    config.settings.appExtras = [
      ...(config.settings.appExtras || []),
      {
        match: '',
        component: ScrollToAnchor,
      },
    ];
  }

  return config;
};

export default applyConfig;