From 6740207b9ff49082fc74d61df486e0efa2c07ca8 Mon Sep 17 00:00:00 2001
From: Jean Lauliac <jeanlauliac@fb.com>
Date: Wed, 30 Nov 2016 07:35:50 -0800
Subject: [PATCH] packager: Bundler: hash all the cache key components

Reviewed By: davidaurelio

Differential Revision: D4238061

fbshipit-source-id: 2ad79a85a5da3026afd508557b3b29457f472bb2
---
 packager/react-packager/src/Bundler/index.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packager/react-packager/src/Bundler/index.js b/packager/react-packager/src/Bundler/index.js
index eb5039a74..97fd41ce2 100644
--- a/packager/react-packager/src/Bundler/index.js
+++ b/packager/react-packager/src/Bundler/index.js
@@ -179,7 +179,10 @@ class Bundler {
       }
     }
 
-    const transformCacheKey = cacheKeyParts.join('$');
+    const transformCacheKey = crypto.createHash('sha1').update(
+      cacheKeyParts.join('$'),
+    ).digest('hex');
+
     this._cache = new Cache({
       resetCache: opts.resetCache,
       cacheKey: transformCacheKey,