From 1d3c02a89ea9ad794b454d11ca2de425db4772dd Mon Sep 17 00:00:00 2001
From: Jason Pickens <jasonpickensnz@gmail.com>
Date: Thu, 7 Jul 2022 14:15:36 +1200
Subject: [PATCH] fix: scope variable for map field to avoid redeclaration
 (#1717) (#1718)

Co-authored-by: Alexander Fenster <fenster@google.com>
---
 src/decoder.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/decoder.js b/src/decoder.js
index 491dd3059..f55451f25 100644
--- a/src/decoder.js
+++ b/src/decoder.js
@@ -33,7 +33,7 @@ function decoder(mtype) {
         var field = mtype._fieldsArray[i].resolve(),
             type  = field.resolvedType instanceof Enum ? "int32" : field.type,
             ref   = "m" + util.safeProp(field.name); gen
-            ("case %i:", field.id);
+            ("case %i: {", field.id);
 
         // Map fields
         if (field.map) { gen
@@ -104,8 +104,9 @@ function decoder(mtype) {
         else gen
                 ("%s=r.%s()", ref, type);
         gen
-                ("break");
-    // Unknown fields
+                ("break")
+            ("}");
+        // Unknown fields
     } gen
             ("default:")
                 ("r.skipType(t&7)")