app/javascript/mastodon/utils/html.js


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// 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><p>/g, '\n\n').replace(/<[^>]*>/g, '');
  return wrapper.textContent;
};