From f4c1389e9973468d3b84dec43b5151f4726ab271 Mon Sep 17 00:00:00 2001
From: overlookmotel <557937+overlookmotel@users.noreply.github.com>
Date: Tue, 11 Jun 2024 06:41:15 +0000
Subject: [PATCH] perf(transformer): create `Vec` with capacity (#3613)

Tiny optimization. Where we know the required capacity of a `Vec`, initialize it with that capacity.
---
 crates/oxc_transformer/src/react/jsx_source.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crates/oxc_transformer/src/react/jsx_source.rs b/crates/oxc_transformer/src/react/jsx_source.rs
index 14ecd0945..2703476d9 100644
--- a/crates/oxc_transformer/src/react/jsx_source.rs
+++ b/crates/oxc_transformer/src/react/jsx_source.rs
@@ -131,7 +131,7 @@ impl<'a> ReactJsxSource<'a> {
             self.ctx.ast.object_property(SPAN, kind, key, value, None, false, false, false)
         };
 
-        let mut properties = self.ctx.ast.new_vec();
+        let mut properties = self.ctx.ast.new_vec_with_capacity(3);
         properties.push(ObjectPropertyKind::ObjectProperty(filename));
         properties.push(ObjectPropertyKind::ObjectProperty(line_number));
         properties.push(ObjectPropertyKind::ObjectProperty(column_number));