From 2476dceee0a656a00d5138e0aeb34b5c062883d8 Mon Sep 17 00:00:00 2001
From: overlookmotel <557937+overlookmotel@users.noreply.github.com>
Date: Thu, 15 Aug 2024 13:21:48 +0000
Subject: [PATCH] fix(transformer): remove an `ast.copy` from
 `NullishCoalescingOperator` transform (#4913)

Remove one unnecessary `ast.copy` call from `NullishCoalescingOperator` transform (towards #3483).
---
 .../oxc_transformer/src/es2020/nullish_coalescing_operator.rs   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crates/oxc_transformer/src/es2020/nullish_coalescing_operator.rs b/crates/oxc_transformer/src/es2020/nullish_coalescing_operator.rs
index f973728367f0b..e93ad852b6ae9 100644
--- a/crates/oxc_transformer/src/es2020/nullish_coalescing_operator.rs
+++ b/crates/oxc_transformer/src/es2020/nullish_coalescing_operator.rs
@@ -137,7 +137,7 @@ impl<'a> NullishCoalescingOperator<'a> {
 
         let op = BinaryOperator::StrictInequality;
         let null = ctx.ast.expression_null_literal(SPAN);
-        let left = ctx.ast.expression_binary(SPAN, ctx.ast.copy(&assignment), op, null);
+        let left = ctx.ast.expression_binary(SPAN, assignment, op, null);
         let right = ctx.ast.expression_binary(SPAN, ctx.ast.copy(&reference), op, ctx.ast.void_0());
         let test = ctx.ast.expression_logical(SPAN, left, LogicalOperator::And, right);