From 4e241fcda82a868e88c06b7e6e0837cde8b2da90 Mon Sep 17 00:00:00 2001
From: Dunqing <29533304+Dunqing@users.noreply.github.com>
Date: Fri, 21 Jun 2024 10:20:10 +0000
Subject: [PATCH] fix(isolated-declarations): missing `const` after transformed
 const enum (#3805)

---
 crates/oxc_isolated_declarations/src/enum.rs | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/crates/oxc_isolated_declarations/src/enum.rs b/crates/oxc_isolated_declarations/src/enum.rs
index a348ce667..bf2174c85 100644
--- a/crates/oxc_isolated_declarations/src/enum.rs
+++ b/crates/oxc_isolated_declarations/src/enum.rs
@@ -21,7 +21,7 @@ impl<'a> IsolatedDeclarations<'a> {
         decl: &TSEnumDeclaration<'a>,
     ) -> Option<Declaration<'a>> {
         let mut members = self.ast.new_vec();
-        let mut prev_initializer_value = Some(ConstantValue::Number(0.0));
+        let mut prev_initializer_value = Some(ConstantValue::Number(-1.0));
         let mut prev_members = FxHashMap::default();
         for member in &decl.members {
             let value = if let Some(initializer) = &member.initializer {
@@ -90,12 +90,12 @@ impl<'a> IsolatedDeclarations<'a> {
 
             members.push(member);
         }
-        Some(self.ast.ts_enum_declaration(
-            decl.span,
-            self.ast.copy(&decl.id),
-            members,
-            self.modifiers_declare(),
-        ))
+        let mut modifiers = self.modifiers_declare();
+        if decl.modifiers.contains(ModifierKind::Const) {
+            modifiers.add_modifier(Modifier { span: SPAN, kind: ModifierKind::Const });
+        }
+
+        Some(self.ast.ts_enum_declaration(decl.span, self.ast.copy(&decl.id), members, modifiers))
     }
 
     /// Evaluate the expression to a constant value.