From 6b44e69418510b997e89bc2e84c7bfbdc05d7d30 Mon Sep 17 00:00:00 2001
From: Daniel Schmidt <thelink64@hotmail.com>
Date: Tue, 20 Jun 2017 10:44:58 +0200
Subject: [PATCH] Update to chunk.mapModules

Chunk.modules is deprecated in Webpack 3.0.0 - replaced with the mapModules method.
Added with fallback, to support Webpack 2.0.0
---
 index.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 637a618..aeb5a58 100644
--- a/index.js
+++ b/index.js
@@ -19,7 +19,8 @@ WebpackChunkHash.prototype.apply = function(compiler)
   {
     compilation.plugin('chunk-hash', function(chunk, chunkHash)
     {
-      var source = chunk.modules.map(getModuleSource).sort(sortById).reduce(concatenateSource, '')
+      var modules = chunk.mapModules ? chunk.mapModules(getModuleSource) : chunk.modules.map(getModuleSource)
+      var source = modules.sort(sortById).reduce(concatenateSource, '')
         , hash   = crypto.createHash(_plugin.algorithm).update(source + _plugin.additionalHashContent(chunk))
         ;