fixes gautamsi#322

Author: gautamsi

src/js/Core/ServiceObjects/Items/Item.ts

@@ -1,6 +1,6 @@
 import { AffectedTaskOccurrence } from "../../../Enumerations/AffectedTaskOccurrence";
 import { ArchiveTag } from "../../../ComplexProperties/ArchiveTag";
-import { ArrayHelper, StringHelper } from "../../../ExtensionMethods";
+import { ArrayHelper, StringHelper, isNullOrUndefined } from "../../../ExtensionMethods";
 import { Attachment } from "../../../ComplexProperties/Attachment";
 import { AttachmentCollection } from "../../../ComplexProperties/AttachmentCollection";
 import { ConflictResolutionMode } from "../../../Enumerations/ConflictResolutionMode";
@@ -670,7 +670,9 @@ export class Item extends ServiceObject {
  * @param {boolean} suppressReadReceipts Whether to suppress read receipts
  */
  Delete(deleteMode: DeleteMode, suppressReadReceipts: boolean): Promise<void>
- Delete(deleteMode: DeleteMode, suppressReadReceipts: boolean = false): Promise<void> { return this.InternalDelete(deleteMode, null, null, suppressReadReceipts); }
+ Delete(deleteMode: DeleteMode, suppressReadReceipts: boolean = false): Promise<void> {
+ return this.InternalDelete(deleteMode, null, null, suppressReadReceipts);
+ }
 
  /**
  * @internal Gets a list of extended properties defined on this object.
@@ -785,16 +787,14 @@ export class Item extends ServiceObject {
  this.ThrowIfThisIsAttachment();
 
  // If sendCancellationsMode is null, use the default value that's appropriate for item type.
- // if (!sendCancellationsMode)
- // {
- // sendCancellationsMode = this.DefaultSendCancellationsMode;
- // }
+ if (isNullOrUndefined(sendCancellationsMode)) {
+ sendCancellationsMode = this.DefaultSendCancellationsMode;
+ }
 
  // If affectedTaskOccurrences is null, use the default value that's appropriate for item type.
- // if (!affectedTaskOccurrences)
- // {
- // affectedTaskOccurrences = this.DefaultAffectedTaskOccurrences;
- // }
+ if (isNullOrUndefined(affectedTaskOccurrences)) {
+ affectedTaskOccurrences = this.DefaultAffectedTaskOccurrences;
+ }
 
  return this.Service.DeleteItem(
  this.Id,