From 9f83cdfaa12048eddb177ace4a5efb742a813f4b Mon Sep 17 00:00:00 2001
From: metonym <ericyl.us@gmail.com>
Date: Wed, 18 Sep 2024 14:32:47 -0700
Subject: [PATCH] fix(optimize-css-plugin): convert buffer to string

---
 src/plugins/OptimizeCssPlugin.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/plugins/OptimizeCssPlugin.ts b/src/plugins/OptimizeCssPlugin.ts
index 6e279ef..1dd1e48 100644
--- a/src/plugins/OptimizeCssPlugin.ts
+++ b/src/plugins/OptimizeCssPlugin.ts
@@ -54,7 +54,9 @@ class OptimizeCssPlugin {
                 const original_css = assets[id].source();
                 const optimized_css = createOptimizedCss({
                   ...this.options,
-                  source: original_css,
+                  source: Buffer.isBuffer(original_css)
+                    ? original_css.toString()
+                    : original_css,
                   ids,
                 });