From fa039971e6875bbf209f7f6f2062e36ead310cac Mon Sep 17 00:00:00 2001
From: Dan Stillman <dstillman@zotero.org>
Date: Wed, 13 May 2015 13:43:05 -0400
Subject: [PATCH] Fixes #714, Zotero.defineProperty() lazy mode doesn't work

Patch from @aurimasv
---
 chrome/content/zotero/xpcom/zotero.js | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/chrome/content/zotero/xpcom/zotero.js b/chrome/content/zotero/xpcom/zotero.js
index 10701314a5..33c98f1ce5 100644
--- a/chrome/content/zotero/xpcom/zotero.js
+++ b/chrome/content/zotero/xpcom/zotero.js
@@ -1424,9 +1424,17 @@ Components.utils.import("resource://gre/modules/osfile.jsm");
 		if (opts) {
 			if (opts.lazy && d.get) {
 				let getter = d.get;
+				d.configurable = true; // Make sure we can change the property later
 				d.get = function() {
-					var val = getter.call(this);
-					this[prop] = val; // Replace getter with value
+					let val = getter.call(this);
+					
+					// Redefine getter on this object as non-writable value
+					delete d.set;
+					delete d.get;
+					d.writable = false;
+					d.value = val;
+					Object.defineProperty(this, prop, d);
+					
 					return val;
 				}
 			}