From e8de4bde413b5ef3a3022473591a39e0fbcf3350 Mon Sep 17 00:00:00 2001
From: Boshen <1430279+Boshen@users.noreply.github.com>
Date: Wed, 14 Aug 2024 04:29:17 +0000
Subject: [PATCH] fix(codegen): fix whitespace issue when minifying `x in new
 Error()` (#4886)

---
 crates/oxc_codegen/src/gen.rs                | 1 +
 crates/oxc_codegen/tests/integration/unit.rs | 1 +
 2 files changed, 2 insertions(+)

diff --git a/crates/oxc_codegen/src/gen.rs b/crates/oxc_codegen/src/gen.rs
index da6ffa2ef..20a1ab20d 100644
--- a/crates/oxc_codegen/src/gen.rs
+++ b/crates/oxc_codegen/src/gen.rs
@@ -2101,6 +2101,7 @@ impl<'a, const MINIFY: bool> GenExpr<MINIFY> for NewExpression<'a> {
             if let Some(comment) = annotate_comment {
                 p.print_comment(comment);
             }
+            p.print_space_before_identifier();
             p.add_source_mapping(self.span.start);
             p.print_str("new ");
             self.callee.gen_expr(p, Precedence::New, Context::FORBID_CALL);
diff --git a/crates/oxc_codegen/tests/integration/unit.rs b/crates/oxc_codegen/tests/integration/unit.rs
index 5e7372cd9..518bcb849 100644
--- a/crates/oxc_codegen/tests/integration/unit.rs
+++ b/crates/oxc_codegen/tests/integration/unit.rs
@@ -17,6 +17,7 @@ fn expr() {
         }",
         "class Foo {\n\t#test;\n\tbar() {\n\t\tif (!(#test in Foo)) {}\n\t}\n}\n",
     );
+    test_minify("x in new Error()", "x in new Error();");
 }
 
 #[test]