Outlook add-in get SkypeTeamsMeetingUrl from EWS

getSkypeTeamsMeetingUrl.ts

export default async function getSkypeTeamsMeetingUrl(
  itemId: string
): Promise<string | undefined> {
  console.log("getSkypeTeamsMeetingUrl itemId", itemId);
  const xml = `<?xml version="1.0" encoding="UTF-8"?>
<soap:Envelope xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types"
  xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"
  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <soap:Header>
    <t:RequestServerVersion Version="Exchange2010_SP1"/>
  </soap:Header>
  <soap:Body>
    <GetItem xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types"
      xmlns="http://schemas.microsoft.com/exchange/services/2006/messages">
      <ItemShape>
        <t:AdditionalProperties>
          <t:ExtendedFieldURI PropertyType="String" PropertyName="SkypeTeamsMeetingUrl" PropertySetId="00020329-0000-0000-c000-000000000046"/>
        </t:AdditionalProperties>
      </ItemShape>
      <ItemIds>
        <t:ItemId Id="${itemId}"/>
      </ItemIds>
    </GetItem>
  </soap:Body>
</soap:Envelope>`;
  return await new Promise<string | undefined>((resolve, reject) => {
    Office.context.mailbox.makeEwsRequestAsync(
      xml,
      (asyncResult: Office.AsyncResult<string>) => {
        if (asyncResult.status === Office.AsyncResultStatus.Failed) {
          console.error(asyncResult.error);
        } else {
          const parser = new DOMParser();
          const xmlDoc = parser.parseFromString(asyncResult.value, "text/xml");
          const value = xmlDoc.querySelector(
            "ExtendedFieldURI + Value"
          )?.textContent;
          console.log("getSkypeTeamsMeetingUrl value", value);
          resolve(value || undefined);
        }
      }
    );
  });
}

export function saveItem(): Promise<string> {
  console.log("saveItem");
  return new Promise<string>((resolve, reject) => {
    Office.context.mailbox.item.saveAsync({}, (asyncResult) => {
      if (asyncResult.status === Office.AsyncResultStatus.Failed) {
        console.error(asyncResult.error);
        reject(asyncResult.error);
      } else {
        console.log(
          "Office.context.mailbox.item.saveAsync ~ asyncResult.value",
          asyncResult.value
        );
        resolve(asyncResult.value);
      }
    });
  });
}

saveItem().then(getSkypeTeamsMeetingUrl);