From 2307a4d4d3def405c4a04726272e14d998880abb Mon Sep 17 00:00:00 2001
From: CPunisher <1343316114@qq.com>
Date: Tue, 31 Dec 2024 17:10:52 +0800
Subject: [PATCH] fix(typescript): Fix wrong check for super class (#9822)

 - Closes https://github.com/swc-project/swc/issues/9817
---
 .changeset/blue-rules-eat.md                           |  6 ++++++
 .../swc_typescript/examples/isolated_declarations.rs   |  7 +++++--
 crates/swc_typescript/src/fast_dts/class.rs            |  2 +-
 crates/swc_typescript/tests/fixture/issues/9817.snap   | 10 ++++++++++
 crates/swc_typescript/tests/fixture/issues/9817.tsx    |  8 ++++++++
 crates/swc_typescript/tests/typescript.rs              |  8 ++++++--
 6 files changed, 36 insertions(+), 5 deletions(-)
 create mode 100644 .changeset/blue-rules-eat.md
 create mode 100644 crates/swc_typescript/tests/fixture/issues/9817.snap
 create mode 100644 crates/swc_typescript/tests/fixture/issues/9817.tsx

diff --git a/.changeset/blue-rules-eat.md b/.changeset/blue-rules-eat.md
new file mode 100644
index 000000000000..be889fbdb436
--- /dev/null
+++ b/.changeset/blue-rules-eat.md
@@ -0,0 +1,6 @@
+---
+swc_core: patch
+swc_typescript: patch
+---
+
+fix(typescript): Fix wrong check for super class
diff --git a/crates/swc_typescript/examples/isolated_declarations.rs b/crates/swc_typescript/examples/isolated_declarations.rs
index 367a21b544f6..0ffb9a987c97 100644
--- a/crates/swc_typescript/examples/isolated_declarations.rs
+++ b/crates/swc_typescript/examples/isolated_declarations.rs
@@ -2,7 +2,7 @@ use std::{env, path::Path};
 
 use swc_common::{comments::SingleThreadedComments, Mark};
 use swc_ecma_codegen::to_code_with_comments;
-use swc_ecma_parser::{parse_file_as_program, Syntax};
+use swc_ecma_parser::{parse_file_as_program, Syntax, TsSyntax};
 use swc_ecma_transforms_base::{fixer::paren_remover, resolver};
 use swc_typescript::fast_dts::{FastDts, FastDtsOptions};
 
@@ -18,7 +18,10 @@ pub fn main() {
         let comments = SingleThreadedComments::default();
         let mut program = parse_file_as_program(
             &fm,
-            Syntax::Typescript(Default::default()),
+            Syntax::Typescript(TsSyntax {
+                tsx: true,
+                ..Default::default()
+            }),
             Default::default(),
             Some(&comments),
             &mut Vec::new(),
diff --git a/crates/swc_typescript/src/fast_dts/class.rs b/crates/swc_typescript/src/fast_dts/class.rs
index 56d5bae6f706..f2d2ae18e8f2 100644
--- a/crates/swc_typescript/src/fast_dts/class.rs
+++ b/crates/swc_typescript/src/fast_dts/class.rs
@@ -33,7 +33,7 @@ impl FastDts {
                             }
                             _ => {}
                         }
-                        break object.is_ident();
+                        break !object.is_ident();
                     }
                 }
                 _ => true,
diff --git a/crates/swc_typescript/tests/fixture/issues/9817.snap b/crates/swc_typescript/tests/fixture/issues/9817.snap
new file mode 100644
index 000000000000..27028aa436fc
--- /dev/null
+++ b/crates/swc_typescript/tests/fixture/issues/9817.snap
@@ -0,0 +1,10 @@
+```==================== .D.TS ====================
+
+import React from "react";
+export declare class Component<T> extends React.PureComponent<{
+}, {
+}> {
+    render(): React.ReactNode;
+}
+
+
diff --git a/crates/swc_typescript/tests/fixture/issues/9817.tsx b/crates/swc_typescript/tests/fixture/issues/9817.tsx
new file mode 100644
index 000000000000..44e6ac84a007
--- /dev/null
+++ b/crates/swc_typescript/tests/fixture/issues/9817.tsx
@@ -0,0 +1,8 @@
+import React from "react";
+
+export class Component<T> extends React.PureComponent<{}, {}> {
+
+    render(): React.ReactNode {
+        return <div>Hello world</div>;
+    }
+}
\ No newline at end of file
diff --git a/crates/swc_typescript/tests/typescript.rs b/crates/swc_typescript/tests/typescript.rs
index 8c38c903b93d..a31ccc3fbebb 100644
--- a/crates/swc_typescript/tests/typescript.rs
+++ b/crates/swc_typescript/tests/typescript.rs
@@ -2,12 +2,13 @@ use std::path::PathBuf;
 
 use swc_common::{comments::SingleThreadedComments, Mark};
 use swc_ecma_codegen::to_code_with_comments;
-use swc_ecma_parser::{parse_file_as_program, Syntax};
+use swc_ecma_parser::{parse_file_as_program, Syntax, TsSyntax};
 use swc_ecma_transforms_base::{fixer::paren_remover, resolver};
 use swc_typescript::fast_dts::{FastDts, FastDtsOptions};
 use testing::NormalizedOutput;
 
 #[testing::fixture("tests/**/*.ts")]
+#[testing::fixture("tests/**/*.tsx")]
 fn fixture(input: PathBuf) {
     let mut dts_code = String::new();
     let res = testing::run_test2(false, |cm, handler| {
@@ -18,7 +19,10 @@ fn fixture(input: PathBuf) {
         let comments = SingleThreadedComments::default();
         let mut program = parse_file_as_program(
             &fm,
-            Syntax::Typescript(Default::default()),
+            Syntax::Typescript(TsSyntax {
+                tsx: true,
+                ..Default::default()
+            }),
             Default::default(),
             Some(&comments),
             &mut Vec::new(),