test,debugger: add test for type stripping in debugger probe mode

joyeecheung · aduh95 · commit 3048f8dc1a7b · 2026-06-20T16:58:11.000+02:00
Signed-off-by: Joyee Cheung <joyeec9h3@gmail.com> PR-URL: #63748 Refs: #63646 Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com> Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com> Reviewed-By: Chengzhong Wu <legendecas@gmail.com> Reviewed-By: Jacob Smith <jacob@frende.me> Reviewed-By: Gürgün Dayıoğlu <hey@gurgun.day>
diff --git a/test/fixtures/debugger/probe-typescript.ts b/test/fixtures/debugger/probe-typescript.ts
@@ -0,0 +1,9 @@
+'use strict';
+
+function multiply(a: number, b: number): number {
+  return a * b;
+}
+
+const x: number = 7;
+const y: number = 8;
+const result: number = multiply(x, y);
diff --git a/test/parallel/test-debugger-probe-typescript.js b/test/parallel/test-debugger-probe-typescript.js
@@ -0,0 +1,50 @@
+// Tests that probe mode works with type stripping.
+'use strict';
+
+const common = require('../common');
+common.skipIfInspectorDisabled();
+
+const fixtures = require('../common/fixtures');
+const { spawnSyncAndAssert } = require('../common/child_process');
+const { assertProbeJson } = require('../common/debugger-probe');
+
+const cwd = fixtures.path('debugger');
+const tsUrl = fixtures.fileURL('debugger', 'probe-typescript.ts').href;
+
+spawnSyncAndAssert(process.execPath, [
+  'inspect',
+  '--json',
+  '--probe', 'probe-typescript.ts:9',
+  '--expr', 'x',
+  '--probe', 'probe-typescript.ts:9',
+  '--expr', 'y',
+  'probe-typescript.ts',
+], { cwd }, {
+  stdout(output) {
+    assertProbeJson(output, {
+      v: 2,
+      probes: [
+        { expr: 'x', target: { suffix: 'probe-typescript.ts', line: 9 } },
+        { expr: 'y', target: { suffix: 'probe-typescript.ts', line: 9 } },
+      ],
+      results: [
+        {
+          probe: 0,
+          event: 'hit',
+          hit: 1,
+          location: { url: tsUrl, line: 9, column: 24 },
+          result: { type: 'number', value: 7, description: '7' },
+        },
+        {
+          probe: 1,
+          event: 'hit',
+          hit: 1,
+          location: { url: tsUrl, line: 9, column: 24 },
+          result: { type: 'number', value: 8, description: '8' },
+        },
+        { event: 'completed' },
+      ],
+    });
+  },
+  trim: true,
+});
