From 92963f19069bff79b9d1d3f32ff282745ace538c Mon Sep 17 00:00:00 2001
From: vivekkodira1 <vivek@cloudmunch.com>
Date: Mon, 23 May 2016 20:49:23 +0530
Subject: [PATCH] Check for `data.contents` existence

* Fixes https://github.com/gruntjs/grunt-contrib-imagemin/issues/320
---
 tasks/imagemin.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tasks/imagemin.js b/tasks/imagemin.js
index a163a64..fa462a3 100644
--- a/tasks/imagemin.js
+++ b/tasks/imagemin.js
@@ -58,7 +58,7 @@ module.exports = function (grunt) {
                     }
 
                     var origSize = stats.size;
-                    var diffSize = origSize - data[0].contents.length;
+                    var diffSize = origSize - ((data[0].contents && data[0].contents.length) || 0);
 
                     totalSaved += diffSize;