Function getCleanNodeByKey

src/static/js/ace2_inner.ts:936–944

(key)

  clearObservedChanges();

  const getCleanNodeByKey = (key) => {
    let n = targetDoc.getElementById(key);
    // copying and pasting can lead to duplicate ids
    while (n && isNodeDirty(n)) {
      n.id = '';
      n = targetDoc.getElementById(key);
    }
    return n;
  };

  const observeChangesAroundNode = (node) => {
    // Around this top-level DOM node, look for changes to the document