From 9e67898cb91bc6cffd820dccf0268f2ac8d3fb0f Mon Sep 17 00:00:00 2001
From: magic-akari <akari.ccino@gmail.com>
Date: Tue, 14 Mar 2023 21:28:29 +0800
Subject: [PATCH] fix: Handle `export { type foo }` as inType (#15494)

---
 packages/babel-plugin-transform-typescript/src/index.ts   | 5 ++++-
 .../imports/type-only-export-specifier-1/input.ts         | 4 ++++
 .../imports/type-only-export-specifier-1/output.mjs       | 1 +
 .../imports/type-only-export-specifier-2/input.ts         | 4 ++++
 .../imports/type-only-export-specifier-2/options.json     | 8 ++++++++
 .../imports/type-only-export-specifier-2/output.mjs       | 2 ++
 6 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100644 packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-1/input.ts
 create mode 100644 packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-1/output.mjs
 create mode 100644 packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-2/input.ts
 create mode 100644 packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-2/options.json
 create mode 100644 packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-2/output.mjs

diff --git a/packages/babel-plugin-transform-typescript/src/index.ts b/packages/babel-plugin-transform-typescript/src/index.ts
index 1aa42d08e00f..1ef9ebcbcf24 100644
--- a/packages/babel-plugin-transform-typescript/src/index.ts
+++ b/packages/babel-plugin-transform-typescript/src/index.ts
@@ -24,9 +24,12 @@ function isInType(path: NodePath) {
       );
     case "ExportSpecifier":
       return (
+        // export { type foo };
+        path.parent.exportKind === "type" ||
+        // export type { foo };
         // @ts-expect-error: DeclareExportDeclaration does not have `exportKind`
         (path.parentPath as NodePath<t.ExportSpecifier>).parent.exportKind ===
-        "type"
+          "type"
       );
     default:
       return false;
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-1/input.ts b/packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-1/input.ts
new file mode 100644
index 000000000000..56dfd0ba142f
--- /dev/null
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-1/input.ts
@@ -0,0 +1,4 @@
+import { foo, bar, type baz } from "Foo";
+export { type foo };
+export type { bar };
+export { baz };
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-1/output.mjs b/packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-1/output.mjs
new file mode 100644
index 000000000000..cb0ff5c3b541
--- /dev/null
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-1/output.mjs
@@ -0,0 +1 @@
+export {};
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-2/input.ts b/packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-2/input.ts
new file mode 100644
index 000000000000..56dfd0ba142f
--- /dev/null
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-2/input.ts
@@ -0,0 +1,4 @@
+import { foo, bar, type baz } from "Foo";
+export { type foo };
+export type { bar };
+export { baz };
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-2/options.json b/packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-2/options.json
new file mode 100644
index 000000000000..ce280969f6e9
--- /dev/null
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-2/options.json
@@ -0,0 +1,8 @@
+{
+  "plugins": [[
+    "transform-typescript",
+    {
+      "onlyRemoveTypeImports": true
+    }
+  ]]
+}
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-2/output.mjs b/packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-2/output.mjs
new file mode 100644
index 000000000000..f112d980d494
--- /dev/null
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-2/output.mjs
@@ -0,0 +1,2 @@
+import { foo, bar } from "Foo";
+export {};