Method getHandler

packages/markmap-toolbar/src/toolbar.tsx:145–150

(handle: (mm: Markmap) => Promise<void>)

  }

  getHandler(handle: (mm: Markmap) => Promise<void>) {
    handle = safeCaller(handle);
    return () => {
      if (this.markmap) handle(this.markmap);
    };
  }

  setItems(items: (string | IToolbarItem)[]) {
    this.items = [...items];