From 9c2a1b61b97e73b4396f92ae1fa8e7a4191c05ad Mon Sep 17 00:00:00 2001
From: overlookmotel <557937+overlookmotel@users.noreply.github.com>
Date: Tue, 10 Dec 2024 02:28:25 +0000
Subject: [PATCH] refactor(transformer): `duplicate_expression` do not produce
 temp var for `super` (#7757)

`TransformCtx::duplicate_expression` method introduced in #7754 don't create a temp var for `super`. This prepares it for use in logical assignment operator transform (#7745).
---
 crates/oxc_transformer/src/common/duplicate.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/crates/oxc_transformer/src/common/duplicate.rs b/crates/oxc_transformer/src/common/duplicate.rs
index c44a95bf3f192..5728f03441d99 100644
--- a/crates/oxc_transformer/src/common/duplicate.rs
+++ b/crates/oxc_transformer/src/common/duplicate.rs
@@ -109,11 +109,16 @@ impl<'a> TransformCtx<'a> {
 
                 self.var_declarations.create_uid_var(&ident.name, ctx)
             }
+            // Reading `this` or `super` cannot have side effects, so no need for temp var
             Expression::ThisExpression(this) => {
-                // Reading `this` cannot have side effects, so no need for temp var
                 let references = create_array(|| ctx.ast.expression_this(this.span));
                 return (expr, references);
             }
+            Expression::Super(super_expr) => {
+                let references = create_array(|| ctx.ast.expression_super(super_expr.span));
+                return (expr, references);
+            }
+            // Anything else requires temp var
             _ => self.var_declarations.create_uid_var_based_on_node(&expr, ctx),
         };