From ed2e515f8083ad1823379ac661794bd952cc9091 Mon Sep 17 00:00:00 2001
From: overlookmotel <557937+overlookmotel@users.noreply.github.com>
Date: Sun, 17 Nov 2024 05:08:58 +0000
Subject: [PATCH] refactor(transformer/arrow-function): reserve correct
 capacity for `Vec` (#7319)

---
 crates/oxc_transformer/src/common/arrow_function_converter.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/crates/oxc_transformer/src/common/arrow_function_converter.rs b/crates/oxc_transformer/src/common/arrow_function_converter.rs
index 0499dd11ecd644..823710e7b3ca46 100644
--- a/crates/oxc_transformer/src/common/arrow_function_converter.rs
+++ b/crates/oxc_transformer/src/common/arrow_function_converter.rs
@@ -743,7 +743,8 @@ impl<'a> ArrowFunctionConverter<'a> {
         let scope_id =
             ctx.create_child_scope(target_scope_id, ScopeFlags::Arrow | ScopeFlags::Function);
 
-        let mut items = ctx.ast.vec_with_capacity(2);
+        let mut items =
+            ctx.ast.vec_with_capacity(usize::from(is_computed) + usize::from(is_assignment));
 
         // Create a parameter for the prop if it's a computed member expression.
         if is_computed {