From 725be0ea50f2ab4988d65cbc0d6c0cbf1272b6b8 Mon Sep 17 00:00:00 2001
From: Yagiz Nizipli <yagiz@nizipli.com>
Date: Mon, 10 Oct 2022 18:11:54 +0300
Subject: [PATCH] buffer: initialize TextDecoder once on blob.text()
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PR-URL: https://github.com/nodejs/node/pull/44787
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
---
 lib/internal/blob.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/internal/blob.js b/lib/internal/blob.js
index 8014a1bb5b0349..397bffabba7b5a 100644
--- a/lib/internal/blob.js
+++ b/lib/internal/blob.js
@@ -78,6 +78,7 @@ let ReadableStream;
 let URL;
 
 const enc = new TextEncoder();
+let dec;
 
 // Yes, lazy loading is annoying but because of circular
 // references between the url, internal/blob, and buffer
@@ -311,7 +312,8 @@ class Blob {
     if (!isBlob(this))
       throw new ERR_INVALID_THIS('Blob');
 
-    const dec = new TextDecoder();
+    dec ??= new TextDecoder();
+
     return dec.decode(await this.arrayBuffer());
   }