fix: Handle export { type foo } as inType (#15494)

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;

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 };

packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-1/output.mjs

@@ -0,0 +1 @@
+export {};

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 };

packages/babel-plugin-transform-typescript/test/fixtures/imports/type-only-export-specifier-2/options.json

@@ -0,0 +1,8 @@
+{
+  "plugins": [[
+    "transform-typescript",
+    {
+      "onlyRemoveTypeImports": true
+    }
+  ]]
+}

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 {};