Add chunkManifest to html-webpack-plugin data

Author: TuckerCowie

lib/ChunkManifestPlugin.js

@@ -56,6 +56,10 @@ ChunkManifestPlugin.prototype.apply = function(compiler) {
     });
 
     if (inlineManifest){
+      compilation.plugin("html-webpack-plugin-before-html-generation", function (data, callback) {
+        var manifestHtml = "<script>window." + manifestVariable + "=" + JSON.stringify(chunkManifest) + "</script>";
+        callback(null, data.assets[manifestVariable] = manifestHtml);
+      });
     }
   });
 };