Function withListNormalization

editor/plugins/withNormalization.ts:87–125

(editor: Editor)

};

const withListNormalization = (editor: Editor) => {
  const { normalizeNode } = editor;

  editor.normalizeNode = (entry) => {
    const [node, path] = entry;

    // Paragraphs, headings, and list items in list items should be stripped out
    if (Element.isElement(node) && node.type === ElementType.ListItem) {
      for (const [child, childPath] of Node.children(editor, path)) {
        if (
          Element.isElement(child) &&
          (isTextType(child.type) || child.type === ElementType.ListItem)
        ) {
          Transforms.unwrapNodes(editor, { at: childPath });
          return;
        }
      }
    }

    // Convert paragraphs and headings to list items if they are the children of a list
    if (Element.isElement(node) && isListType(node.type)) {
      for (const [child, childPath] of Node.children(editor, path)) {
        if (Element.isElement(child) && isTextType(child.type)) {
          Transforms.setNodes(
            editor,
            { type: ElementType.ListItem },
            { at: childPath }
          );
          return;
        }
      }
    }

    // Fall back to the original `normalizeNode` to enforce other constraints.
    normalizeNode(entry);
  };

  return editor;
};

const isAtLineEnd = (editor: Editor, selection: Selection) => {
  if (!selection) {