diff --git a/build/jslib/optimize.js b/build/jslib/optimize.js
index c7b23454..7ba5c0a2 100644
--- a/build/jslib/optimize.js
+++ b/build/jslib/optimize.js
@@ -228,6 +228,10 @@ function (lang,   logger,   envOptimize,        file,           parse,
             //Apply pragmas/namespace renaming
             fileContents = pragma.process(fileName, fileContents, config, 'OnSave', pluginCollector);
 
+            if (config.onJsProcessComplete) {
+                fileContents = config.onJsProcessComplete(fileContents, fileName);
+            }
+
             //Optimize the JS files if asked.
             if (optimizerName && optimizerName !== 'none') {
                 optFunc = envOptimize[optimizerName] || optimize.optimizers[optimizerName];