Function toggleListIndent

packages/plugins/indent/src/plugin/with-indent.tsx:47–129

(
  editor: Editor,
  entry: NodeEntry<List>,
  size: number,
  mode: IndentMode = 'auto',
)

}

const toggleListIndent = (
  editor: Editor,
  entry: NodeEntry<List>,
  size: number,
  mode: IndentMode = 'auto',
) => {
  if (!IndentEditor.isIndentEditor(editor)) return
  if (!IndentEditor.canSetIndent(editor, 'line')) {
    IndentEditor.insertIndent(editor)
    return
  }
  const isSub = size < 0
  let [list, path] = entry
  const { key, type } = list
  const isTop = List.isFirstList(editor, {
    path,
    key,
    type,
  })
  // 如果是列表的开头，则更新所有后代的缩进
  if (isTop) {
    IndentEditor.addLineIndent(editor, path, isSub)
    let next: NodeEntry<List> | undefined = undefined
    while (true) {
      next = Editor.next(editor, {
        at: path,
        match: n => editor.isList(n) && n.type === type && n.key === key,
      })
      if (!next) break
      path = next[1]
      IndentEditor.addLineIndent(editor, path, isSub)
      if (isSub) {
        const level = List.getLevel(editor, { path, key: key, type, node: next[0] })
        Transforms.setNodes<List>(
          editor,
          { level },
          {
            at: path,
          },
        )
      }
    }
    if (isSub) {
      List.updateStart(editor, {
        path,
        key,
        type,
      })
    }
  }
  // 非开头缩进
  else {
    // 减去缩进
    if (isSub) {
      toggleNormalIndent(editor, size, mode)
    } else {
      toggleNormalIndent(editor, size, 'line')
    }