From 29ba05d137c606f9e67fec9db8bd2377671900e1 Mon Sep 17 00:00:00 2001
From: HeYunfei <i.heyunfei@gmail.com>
Date: Thu, 8 Dec 2022 07:40:40 +0800
Subject: [PATCH] fix(es/resolver): Reset `in_type` flag correctly (#6597)

---
 crates/swc_ecma_transforms_base/src/resolver/mod.rs        | 2 ++
 .../tests/ts-resolver/issues/6533/input.ts                 | 7 +++++++
 .../tests/ts-resolver/issues/6533/output.ts                | 6 ++++++
 3 files changed, 15 insertions(+)
 create mode 100644 crates/swc_ecma_transforms_base/tests/ts-resolver/issues/6533/input.ts
 create mode 100644 crates/swc_ecma_transforms_base/tests/ts-resolver/issues/6533/output.ts

diff --git a/crates/swc_ecma_transforms_base/src/resolver/mod.rs b/crates/swc_ecma_transforms_base/src/resolver/mod.rs
index ce58b1d34d44..5cc9058e4472 100644
--- a/crates/swc_ecma_transforms_base/src/resolver/mod.rs
+++ b/crates/swc_ecma_transforms_base/src/resolver/mod.rs
@@ -974,8 +974,10 @@ impl<'a> VisitMut for Resolver<'a> {
         // Always resolve the import declaration identifiers even if it's type only.
         // We need to analyze these identifiers for type stripping purposes.
         self.ident_type = IdentType::Binding;
+        let old_in_type = self.in_type;
         self.in_type = n.type_only;
         n.visit_mut_children_with(self);
+        self.in_type = old_in_type;
     }
 
     fn visit_mut_import_named_specifier(&mut self, s: &mut ImportNamedSpecifier) {
diff --git a/crates/swc_ecma_transforms_base/tests/ts-resolver/issues/6533/input.ts b/crates/swc_ecma_transforms_base/tests/ts-resolver/issues/6533/input.ts
new file mode 100644
index 000000000000..811a2ec8ac23
--- /dev/null
+++ b/crates/swc_ecma_transforms_base/tests/ts-resolver/issues/6533/input.ts
@@ -0,0 +1,7 @@
+import * as F from "foo";
+import type { Thing } from "anywhere";
+console.log(F)
+
+export const inner = <F>(a: F) => {
+    console.log(F)
+};
\ No newline at end of file
diff --git a/crates/swc_ecma_transforms_base/tests/ts-resolver/issues/6533/output.ts b/crates/swc_ecma_transforms_base/tests/ts-resolver/issues/6533/output.ts
new file mode 100644
index 000000000000..24522dbf2b90
--- /dev/null
+++ b/crates/swc_ecma_transforms_base/tests/ts-resolver/issues/6533/output.ts
@@ -0,0 +1,6 @@
+import * as F__1 from "foo";
+import { Thing__1 } from "anywhere";
+console.log(F__1);
+export const inner__1 = <F__3>(a__3: F__3)=>{
+    console.log(F__1);
+};