From 1f0673ce131ac6646d863320ab6ab8226f81e7b9 Mon Sep 17 00:00:00 2001
From: overlookmotel <theoverlookmotel@gmail.com>
Date: Sat, 14 Dec 2024 01:04:36 +0000
Subject: [PATCH] refactor(semantic): `SymbolTable::set_name` return old name

---
 crates/oxc_semantic/src/symbol.rs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/crates/oxc_semantic/src/symbol.rs b/crates/oxc_semantic/src/symbol.rs
index 42fda763edf2ae..0e5274a1b87b87 100644
--- a/crates/oxc_semantic/src/symbol.rs
+++ b/crates/oxc_semantic/src/symbol.rs
@@ -1,3 +1,5 @@
+use std::mem;
+
 #[cfg(feature = "serialize")]
 use serde::Serialize;
 #[cfg(feature = "serialize")]
@@ -101,9 +103,11 @@ impl SymbolTable {
     }
 
     /// Rename a symbol.
+    ///
+    /// Returns the old name.
     #[inline]
-    pub fn set_name(&mut self, symbol_id: SymbolId, name: CompactStr) {
-        self.names[symbol_id] = name;
+    pub fn set_name(&mut self, symbol_id: SymbolId, name: CompactStr) -> CompactStr {
+        mem::replace(&mut self.names[symbol_id], name)
     }
 
     /// Get the [`SymbolFlags`] for a symbol, which describe how the symbol is declared.