Fix for #1

erm0l0v · Feb 12, 2016 · da8efa2 · da8efa2
1 parent ed7f1b0
commit da8efa2
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/plugin/webpack_md5_hash.js b/plugin/webpack_md5_hash.js
@@ -28,7 +28,7 @@ function WebpackMd5Hash () {
 WebpackMd5Hash.prototype.apply = function(compiler) {
     compiler.plugin("compilation", function(compilation) {
         compilation.plugin("chunk-hash", function(chunk, chunkHash) {
-            var source = chunk.modules.sort(compareModules).map(getModuleSource).reduce(concatenateSource);
+            var source = chunk.modules.sort(compareModules).map(getModuleSource).reduce(concatenateSource, ''); // we provide an initialValue in case there is an empty module source. Ref: http://es5.github.io/#x15.4.4.21
             var chunk_hash = md5(source);
             chunkHash.digest = function () {
                 return chunk_hash;
@@ -37,4 +37,4 @@ WebpackMd5Hash.prototype.apply = function(compiler) {
     });
 };
 
-module.exports = WebpackMd5Hash;
+module.exports = WebpackMd5Hash;