From df1219b47a102e3d119fe8d86ecd4e5df15bf98f Mon Sep 17 00:00:00 2001
From: Cassie Tarakajian <ctarakajian@gmail.com>
Date: Thu, 2 May 2019 19:33:16 -0400
Subject: [PATCH] fixes #850, bundling external libraries was causing a
 callback to never be called (#1060)

---
 server/controllers/project.controller.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/server/controllers/project.controller.js b/server/controllers/project.controller.js
index 41b240a0..07554787 100644
--- a/server/controllers/project.controller.js
+++ b/server/controllers/project.controller.js
@@ -255,6 +255,10 @@ function bundleExternalLibs(project, zip, callback) {
 
     if (!isUrl(src)) {
       numScriptsResolved += 1;
+      if (numScriptsResolved === numScriptTags) {
+        indexHtml.content = serializeDocument(document);
+        callback();
+      }
       return;
     }
 
@@ -281,6 +285,10 @@ function bundleExternalLibs(project, zip, callback) {
     for (let i = 0; i < numScriptTags; i += 1) {
       resolveScriptTagSrc(scriptTags[i], indexHtmlDoc);
     }
+    if (numScriptTags === 0) {
+      indexHtml.content = serializeDocument(document);
+      callback();
+    }
   });
 }