SharePoint Framework 更新者・最終更新日時列に任意の値をセットする

npm install @pnp/sp --save

import {
  BaseListViewCommandSet,
  type Command,
  type IListViewCommandSetExecuteEventParameters,
  type IListViewCommandSetListViewUpdatedParameters
} from '@microsoft/sp-listview-extensibility';
import { spfi, SPFx,SPFI } from "@pnp/sp";
import "@pnp/sp/webs";
import "@pnp/sp/lists";
import "@pnp/sp/items";
//export interface IUpdateSelectedItemCommandSetProperties {}

export default class UpdateSelectedItemCommandSet extends BaseListViewCommandSet<{}> {
  private sp: SPFI;
  public onInit(): Promise<void> {
    this.sp = spfi().using(SPFx(this.context));
    return Promise.resolve();
  }
  public onListViewUpdated(event: IListViewCommandSetListViewUpdatedParameters): void {
    const compareOneCommand: Command = this.tryGetCommand('COMMAND_1');
    compareOneCommand.visible = false;
    if (event.selectedRows.length >= 1) {
      compareOneCommand.visible = true;
    }
  }
  public async onExecute(event: IListViewCommandSetExecuteEventParameters): Promise<void> {
    switch (event.itemId) {
      case 'COMMAND_1':
        try {
          await Promise.all(event.selectedRows.map(async (selectedRow) => {
            await this.updateSelectedItem(selectedRow);
          }));
          window.location.reload();
        } catch (error)  {
           console.error('Error updating items:', error);
        }
        break;
      default:
        throw new Error('Unknown command');
    }
  }

  private async updateSelectedItem(selectedRow: any): Promise<void> {
    const itemId = selectedRow.getValueByName('ID');
    const webLocale = this.context.pageContext.web.languageName;
    const listid:string = this.context.pageContext.list?.id.toString() as string
    await this.sp.web.lists.getById(listid).items.getById(itemId).validateUpdateListItem(
      [{
        FieldName: "Title",
        FieldValue: `Sample Text ${new Date().toLocaleDateString(webLocale)}`
      },
      {
        FieldName: "Modified",
        FieldValue: new Date('2024-09-09T12:00:00Z').toLocaleString(webLocale)
        // FieldValue:'2024/09/09 12:00:00'
      },
      {
        FieldName: "Editor",
        FieldValue: JSON.stringify([{ Key: "i:0#.f|membership|user01@365demo5.com" }])
      }
    ]);
  }
}

gulp serve