Function getNodeForCharacterOffset

docs/index.js:5590–5612

(root, offset)

  return node;
}
function getNodeForCharacterOffset(root, offset) {
  var node = getLeafNode(root);
  root = 0;
  for (var nodeEnd; node; ) {
    if (3 === node.nodeType) {
      nodeEnd = root + node.textContent.length;
      if (root <= offset && nodeEnd >= offset)
        return { node: node, offset: offset - root };
      root = nodeEnd;
    }
    a: {
      for (; node; ) {
        if (node.nextSibling) {
          node = node.nextSibling;
          break a;
        }
        node = node.parentNode;
      }
      node = void 0;
    }
    node = getLeafNode(node);
  }
}
function containsNode(outerNode, innerNode) {
  return outerNode && innerNode
    ? outerNode === innerNode