你离目标已经很接近了。
如果你正在使用Typescript,你需要WIT RestClient:
import { WorkItemTrackingHttpClient, getClient } from "TFS/WorkItemTracking/RestClient";
有了这个,您可以做以下事情
const witClient = ((getClient()) as WorkItemTrackingHttpClient);
然后
const result = await witClient.queryByWiql({ query: query });
WorkItemTrackingHttpClient
是您操作工作项所需的全部内容。