bigbuffet-rw/app/soapbox/utils/html.js

// NB: This function can still return unsafe HTML
export const unescapeHTML = (html) => {
  const wrapper = document.createElement('div');
  wrapper.innerHTML = html.replace(/<br\s*\/?>/g, '\n').replace(/<\/p><[^>]*>/g, '\n\n').replace(/<[^>]*>/g, '');
  return wrapper.textContent;
};

export const stripCompatibilityFeatures = html => {
  const node = document.createElement('div');
  node.innerHTML = html;

  const selectors = [
    '.quote-inline',
    '.recipients-inline',
  ];

  // Remove all instances of all selectors
  selectors.forEach(selector => {
    node.querySelectorAll(selector).forEach(elem => {
      elem.remove();
    });
  });

  return node.innerHTML;
};