From 56fe255b24b1163d3a0ddb2aaebed71a5478be46 Mon Sep 17 00:00:00 2001
From: john gravois <jgravois@esri.com>
Date: Wed, 10 May 2017 16:25:07 -0700
Subject: [PATCH] add option to bust cache

---
 src/Layers/DynamicMapLayer.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Layers/DynamicMapLayer.js b/src/Layers/DynamicMapLayer.js
index 52aa429ca..2d416a617 100644
--- a/src/Layers/DynamicMapLayer.js
+++ b/src/Layers/DynamicMapLayer.js
@@ -158,6 +158,11 @@ export var DynamicMapLayer = RasterLayer.extend({
       params.proxy = this.options.proxy;
     }
 
+    // use a timestamp to bust server cache
+    if (this.options.disableCache) {
+      params._ts = Date.now();
+    }
+
     return params;
   },