From 79733c75f1f696aae448bac8d2e4ae0058203f24 Mon Sep 17 00:00:00 2001
From: Dan Stillman <dstillman@zotero.org>
Date: Tue, 16 Jun 2015 20:35:31 -0400
Subject: [PATCH] Throw error in Item::fromJSON() if itemType not provided and
 not set

---
 chrome/content/zotero/xpcom/data/item.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/chrome/content/zotero/xpcom/data/item.js b/chrome/content/zotero/xpcom/data/item.js
index 485c4c4fc3..bb42eb72e5 100644
--- a/chrome/content/zotero/xpcom/data/item.js
+++ b/chrome/content/zotero/xpcom/data/item.js
@@ -3802,6 +3802,10 @@ Zotero.Item.prototype.fromJSON = Zotero.Promise.coroutine(function* (json) {
 		yield this.loadAllData();
 	}
 	
+	if (!json.itemType && !this._itemTypeID) {
+		throw new Error("itemType property not provided");
+	}
+	
 	let itemTypeID = Zotero.ItemTypes.getID(json.itemType);
 	this.setType(itemTypeID);