vite-web-test-runner-plugin sourcemap bug repro

vite_wtr_repro_patch.diff

diff --git a/examples/react/package.json b/examples/react/package.json
index a2e752b..9176945 100644
--- a/examples/react/package.json
+++ b/examples/react/package.json
@@ -6,7 +6,7 @@
     "dev": "vite",
     "build": "vite build",
     "serve": "vite preview",
-    "test": "web-test-runner \"src/**/*.test.jsx\" --coverage"
+    "test": "web-test-runner \"src/**/*.test.ts\" --coverage"
   },
   "dependencies": {
     "react": "^17.0.0",
@@ -18,6 +18,6 @@
     "@web/test-runner": "^0.12.17",
     "chai": "^4.3.4",
     "vite": "^2.1.3",
-    "vite-web-test-runner-plugin": "file:../.."
+    "vite-web-test-runner-plugin": "^0.1.0"
   }
 }
diff --git a/examples/react/src/foo.test.ts b/examples/react/src/foo.test.ts
new file mode 100644
index 0000000..e8697f5
--- /dev/null
+++ b/examples/react/src/foo.test.ts
@@ -0,0 +1,10 @@
+import { foo } from './foo';
+
+describe('foo', () => {
+  it('ok', () => {
+    @foo
+    class Foo {}
+    console.log('foo', Foo);
+    throw new Error('something err');
+  });
+});
diff --git a/examples/react/src/foo.ts b/examples/react/src/foo.ts
new file mode 100644
index 0000000..622e633
--- /dev/null
+++ b/examples/react/src/foo.ts
@@ -0,0 +1,3 @@
+export function foo(arg) {
+  console.log('foo arg name:', arg.name);
+}