From 59094a63be96b590f53a6495cdc2ab5d6a0bc2a2 Mon Sep 17 00:00:00 2001
From: Brian Broll <brian.broll@gmail.com>
Date: Sat, 14 Jan 2017 11:23:34 -0600
Subject: [PATCH] Detect export canceled and exit. Fixes #952

---
 src/visualizers/panels/ForgeActionButton/ForgeActionButton.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/visualizers/panels/ForgeActionButton/ForgeActionButton.js b/src/visualizers/panels/ForgeActionButton/ForgeActionButton.js
index d4bca6309..92967cdb7 100644
--- a/src/visualizers/panels/ForgeActionButton/ForgeActionButton.js
+++ b/src/visualizers/panels/ForgeActionButton/ForgeActionButton.js
@@ -477,6 +477,10 @@ define([
                     exportFormat = (globalOpts.length && formatOpts) ? formatOpts.exportFormat : exportFormats[0],
                     staticInputs = Object.keys(inputOpts || {}).filter(input => inputOpts[input]);
 
+                if (!formatOpts) {  // canceled
+                    return;
+                }
+
                 this.logger.debug('Exporting pipeline to format', exportFormat);
                 this.logger.debug('static inputs:', staticInputs);