Add additional checks for Date objects. Closes #86.

Author: LaughDonor

Document.ts

@@ -137,8 +137,9 @@ class Document implements FirestoreAPI.Document, FirestoreAPI.MapValue {
       return this.wrapArray(obj);
     }
 
-    if (obj instanceof Date) {
-      return this.wrapDate(obj);
+    // instanceof fails for code referencing this library
+    if (obj instanceof Date || obj.constructor.name === 'Date') {
+      return this.wrapDate((obj as any) as Date);
     }
 
     // Check if LatLng type

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "firestore_google-apps-script",
-  "version": "1.0.27",
+  "version": "1.0.28",
   "description": "A Google Apps Script library for accessing Google Cloud Firestore",
   "homepage": "https://github.com/grahamearley/FirestoreGoogleAppsScript",
   "bugs": "https://github.com/grahamearley/FirestoreGoogleAppsScript/issues",