AFFiNE-Mirror/blocksuite/affine/blocks/note/src/commands/dedent-blocks-to-root.ts

import { NoteBlockModel } from '@blocksuite/affine-model';
import { matchModels } from '@blocksuite/affine-shared/utils';
import { type Command, TextSelection } from '@blocksuite/std';

import { dedentBlockToRoot } from './dedent-block-to-root';

export const dedentBlocksToRoot: Command<{
  blockIds?: string[];
  stopCapture?: boolean;
}> = (ctx, next) => {
  let { blockIds } = ctx;
  const { std, stopCapture = true } = ctx;
  const { store } = std;
  if (!blockIds || !blockIds.length) {
    const text = std.selection.find(TextSelection);
    if (text) {
      // If the text selection is not at the beginning of the block, use default behavior
      if (text.from.index !== 0) return;

      blockIds = [text.from.blockId, text.to?.blockId].filter(
        (x): x is string => !!x
      );
    } else {
      blockIds = std.selection.getGroup('note').map(sel => sel.blockId);
    }
  }

  if (!blockIds || !blockIds.length || store.readonly) return;

  if (stopCapture) store.captureSync();
  for (let i = blockIds.length - 1; i >= 0; i--) {
    const model = blockIds[i];
    const parent = store.getParent(model);
    if (parent && !matchModels(parent, [NoteBlockModel])) {
      std.command.exec(dedentBlockToRoot, {
        blockId: model,
        stopCapture: false,
      });
    }
  }

  return next();
};