Refactor VPN proxy client implementation

test/build/test-artifacts.test.js

@@ -0,0 +1,20 @@
+import assert from 'node:assert/strict';
+import { execFileSync } from 'node:child_process';
+import fs from 'node:fs';
+import os from 'node:os';
+import path from 'node:path';
+import test from 'node:test';
+
+const root = path.resolve(import.meta.dirname, '../..');
+
+test('test emit removes stale compiled artifacts before TypeScript runs', (t) => {
+  const directory = fs.mkdtempSync(path.join(os.tmpdir(), 'harbor-test-emit-'));
+  const output = path.join(directory, '.test-dist');
+  t.after(() => fs.rmSync(directory, { recursive: true, force: true }));
+  fs.mkdirSync(output);
+  fs.writeFileSync(path.join(output, 'removed-module.js'), 'stale');
+
+  execFileSync(process.execPath, [path.join(root, 'scripts/clean-test-dist.mjs')], { cwd: directory });
+
+  assert.equal(fs.existsSync(output), false);
+});