From 0469abd4a9c9270a1fdc962969e36e63699af8b4 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Sun, 10 Dec 2017 21:51:33 +0100
Subject: upgrade dependencies

---
 node_modules/webpack/lib/EvalSourceMapDevToolModuleTemplatePlugin.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'node_modules/webpack/lib/EvalSourceMapDevToolModuleTemplatePlugin.js')

diff --git a/node_modules/webpack/lib/EvalSourceMapDevToolModuleTemplatePlugin.js b/node_modules/webpack/lib/EvalSourceMapDevToolModuleTemplatePlugin.js
index 85aece2f7..944266b8f 100644
--- a/node_modules/webpack/lib/EvalSourceMapDevToolModuleTemplatePlugin.js
+++ b/node_modules/webpack/lib/EvalSourceMapDevToolModuleTemplatePlugin.js
@@ -55,7 +55,7 @@ class EvalSourceMapDevToolModuleTemplatePlugin {
 			sourceMap.sources = moduleFilenames;
 			if(sourceMap.sourcesContent) {
 				sourceMap.sourcesContent = sourceMap.sourcesContent.map(function(content, i) {
-					return `${content}\n\n\n${ModuleFilenameHelpers.createFooter(modules[i], this.requestShortener)}`;
+					return typeof content === "string" ? `${content}\n\n\n${ModuleFilenameHelpers.createFooter(modules[i], this.requestShortener)}` : null;
 				}, this);
 			}
 			sourceMap.sourceRoot = options.sourceRoot || "";
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