From 75a4dbdd79931df8e73783b10414615f86788762 Mon Sep 17 00:00:00 2001
From: Yanlong Wang <yanlong.wang@naiver.org>
Date: Fri, 11 Apr 2025 22:36:49 +0800
Subject: [PATCH] fix: meta charset hint

---
 src/services/snapshot-formatter.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/services/snapshot-formatter.ts b/src/services/snapshot-formatter.ts
index ab7eb32..fbc06b5 100644
--- a/src/services/snapshot-formatter.ts
+++ b/src/services/snapshot-formatter.ts
@@ -827,6 +827,10 @@ ${suffixMixins.length ? `\n${suffixMixins.join('\n\n')}\n` : ''}`;
                     throw new AssertionFailureError(`Failed to access ${url}: file too large`);
                 }
                 snapshot.html = await readFile(await file.filePath, encoding);
+                const innerCharset = snapshot.html.slice(0, 1024).match(/<meta[^>]+text\/html;\s*?charset=([^>"]+)\"/i)?.[1]?.toLowerCase();
+                if (innerCharset && innerCharset !== encoding) {
+                    snapshot.html = await readFile(await file.filePath, innerCharset);
+                }
 
                 return snapshot;
             }