With recent changes to Exchange Online, the ExpandDL functionality has been added to the makeEwsRequestAsync function. As such this function, which was previously “advertised” in easyEws (but marked as **DO NOT USE**), now functions as designed.
To use the new function:
NOTE: AS of this writing (2/27/2018), this is NOT supported in Exchange 2016 (on-prem). It is to be released with CU9.
The update is posted to GitHub here: https://github.com/davecra/easyEWS.
You can also get v1.0.9 via NPM with the command: “npm update easyews”