From b7f7b81c2cabd33e687e7aad04d85942436d5d4c Mon Sep 17 00:00:00 2001
From: Samuel Attard <samuel.r.attard@gmail.com>
Date: Sat, 7 Jan 2017 18:27:47 +1100
Subject: [PATCH] fix(packager): throw errors on an uncompilable entrypoint

Fixes #66
---
 src/api/package.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/api/package.js b/src/api/package.js
index a8cba1637a..388a78b03d 100644
--- a/src/api/package.js
+++ b/src/api/package.js
@@ -50,6 +50,12 @@ export default async (providedOptions = {}) => {
 
   const packageJSON = await readPackageJSON(dir);
 
+  if (path.dirname(require.resolve(path.resolve(dir, packageJSON.main))) === dir) {
+    console.error(`${packageJSON.main}`.red);
+    // eslint-disable-next-line no-throw-literal
+    throw 'The entrypoint to your application ("packageJSON.name") must be in a subfolder not in the top level directory';
+  }
+
   const forgeConfig = await getForgeConfig(dir);
   let packagerSpinner;