From 7a756bfaef29ff521059b3310b67a0344001f5fd Mon Sep 17 00:00:00 2001
From: Amjad Ben Hedhili <amjadhedhili@outlook.com>
Date: Mon, 19 Sep 2022 14:09:41 +0100
Subject: [PATCH] Shorten JS block code (#20370)

---
 compiler/jsgen.nim | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/compiler/jsgen.nim b/compiler/jsgen.nim
index cacdb3fb98..116d31de4d 100644
--- a/compiler/jsgen.nim
+++ b/compiler/jsgen.nim
@@ -971,12 +971,12 @@ proc genBlock(p: PProc, n: PNode, r: var TCompRes) =
     sym.loc.k = locOther
     sym.position = idx+1
   let labl = p.unique
-  lineF(p, "Label$1: do {$n", [labl.rope])
+  lineF(p, "Label$1: {$n", [labl.rope])
   setLen(p.blocks, idx + 1)
   p.blocks[idx].id = - p.unique # negative because it isn't used yet
   gen(p, n[1], r)
   setLen(p.blocks, idx)
-  lineF(p, "} while (false);$n", [labl.rope])
+  lineF(p, "};$n", [labl.rope])
 
 proc genBreakStmt(p: PProc, n: PNode) =
   var idx: int
@@ -2426,9 +2426,9 @@ proc genProcBody(p: PProc, prc: PSym): Rope =
   else:
     result = nil
   if p.beforeRetNeeded:
-    result.add p.indentLine(~"BeforeRet: do {$n")
+    result.add p.indentLine(~"BeforeRet: {$n")
     result.add p.body
-    result.add p.indentLine(~"} while (false);$n")
+    result.add p.indentLine(~"};$n")
   else:
     result.add(p.body)
   if prc.typ.callConv == ccSysCall: