From e91f9b306f57e13be8a1bd44f9b88338cf52f288 Mon Sep 17 00:00:00 2001
From: Roman Usherenko <roman.usherenko@gmail.com>
Date: Wed, 3 Oct 2018 22:58:24 +0300
Subject: [PATCH] fix: inconsistent module hashes on builds

---
 lib/TransformNormalModulePlugin.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/TransformNormalModulePlugin.js b/lib/TransformNormalModulePlugin.js
index 5b2a53dc..7c371e61 100644
--- a/lib/TransformNormalModulePlugin.js
+++ b/lib/TransformNormalModulePlugin.js
@@ -579,7 +579,7 @@ class TransformNormalModulePlugin {
           const hashDigest = outputOptions.hashDigest;
           const hashDigestLength = outputOptions.hashDigestLength;
 
-          if (module.buildInfo && module._initBuildHash) {
+          if (module.buildInfo && module._initBuildHash && module._buildHash === '') {
             module._initBuildHash(extra.compilation);
           }