Function mark

lib/helper/extras/richTextEditor.js:18–22

(kind, target)

  const CE = '[contenteditable="true"], [contenteditable=""]'

  function mark(kind, target) {
    document.querySelectorAll('[' + marker + ']').forEach(n => n.removeAttribute(marker))
    if (target && target.nodeType === 1) target.setAttribute(marker, '1')
    return kind
  }

  if (!el || el.nodeType !== 1) return mark(kinds.STANDARD, el)