AFFiNE-Mirror/blocksuite/blocks/src/root-block/page/page-root-service.ts

import { RootBlockSchema } from '@blocksuite/affine-model';
import type { Viewport } from '@blocksuite/affine-shared/types';
import { Slot } from '@blocksuite/global/utils';

import { RootService } from '../root-service.js';

export class PageRootService extends RootService {
  static override readonly flavour = RootBlockSchema.model.flavour;

  slots = {
    viewportUpdated: new Slot<Viewport>(),
  };
}