From 314f970bc2eca1f1ad43cfb7f01c21ab51b7c306 Mon Sep 17 00:00:00 2001
From: Boshen <1430279+Boshen@users.noreply.github.com>
Date: Sat, 12 Jul 2025 03:05:45 +0000
Subject: [PATCH] feat(minifier): remove unused `-1n` (#12235)

ref: https://github.com/evanw/esbuild/commit/f4159a7b823cd5fe2217da2c30e8873d2f319667
---
 crates/oxc_minifier/src/peephole/remove_unused_expression.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/crates/oxc_minifier/src/peephole/remove_unused_expression.rs b/crates/oxc_minifier/src/peephole/remove_unused_expression.rs
index 338cd93261f45..a59bdce78fc67 100644
--- a/crates/oxc_minifier/src/peephole/remove_unused_expression.rs
+++ b/crates/oxc_minifier/src/peephole/remove_unused_expression.rs
@@ -58,7 +58,7 @@ impl<'a> PeepholeOptimizations {
                     self.remove_unused_expression(e, state, ctx)
                 }
             }
-            _ => false,
+            _ => !e.may_have_side_effects(ctx),
         }
     }
 
@@ -768,6 +768,8 @@ mod test {
         test_same("delete x.y");
         test_same("delete x.y.z()");
         test_same("+0n"); // Uncaught TypeError: Cannot convert a BigInt value to a number
+        test("-0n", "");
+        test("-1n", "");
     }
 
     #[test]