From e2aca0201c55e6550e32e6e0ddc1c7577fcea231 Mon Sep 17 00:00:00 2001
From: Daniel Hay <danhay@canva.com>
Date: Mon, 1 Dec 2025 09:49:32 +1100
Subject: [PATCH] fix(contentHash): Prevent generation of a contentHash when
 the set of modules is of size 0

---
 src/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/index.js b/src/index.js
index 944a33aa..88abbe44 100644
--- a/src/index.js
+++ b/src/index.js
@@ -786,7 +786,7 @@ class MiniCssExtractPlugin {
           compilation.runtimeTemplate.requestShortener,
         );
 
-        if (modules) {
+        if (modules?.size > 0) {
           const { hashFunction, hashDigest, hashDigestLength } = outputOptions;
           const { createHash } = compiler.webpack.util;
           const hash = createHash(/** @type {string} */ (hashFunction));