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commit e1f59482c44a06464ba2415c9b8c0184164bd2d9
parent c5a532c7890cf82ec5435a5e1f715e46b5757542
Author: Aurimas Vinckevicius <aurimas.dev@gmail.com>
Date:   Tue, 12 Aug 2014 00:19:07 -0500

Add Zotero.Utilities.defineProperty convenience method
Use this to create enumerable properties in object prototypes.

Diffstat:
M
chrome/content/zotero/xpcom/utilities_internal.js
 | 
18
++++++++++++++++++

1 file changed, 18 insertions(+), 0 deletions(-)
diff --git a/chrome/content/zotero/xpcom/utilities_internal.js b/chrome/content/zotero/xpcom/utilities_internal.js
@@ -366,6 +366,24 @@ Zotero.Utilities.Internal = {
 				break;
 			}
 		}
+	},
+	
+	/**
+	 * Defines property on the object's prototype.
+	 * More compact way to do Object.defineProperty
+	 *
+	 * @param {Object} obj Target object
+	 * @param {String} prop Property to be defined
+	 * @param {Object} desc Propery descriptor. If not overriden, "enumerable" is true
+	 */
+	"defineProperty": function(obj, prop, desc) {
+		if (typeof prop != 'string') throw new Error("Property must be a string");
+		var d = { __proto__: null, enumerable: true }; // Enumerable by default
+		for (let p in desc) {
+			if (!desc.hasOwnProperty(p)) continue;
+			d[p] = desc[p];
+		}
+		Object.defineProperty(obj.prototype, prop, d);
 	}
 }