fix(cli): enable compile cache before importing the CLI

packages/cli/bin/vp

@@ -4,4 +4,4 @@ import module from 'node:module';
 if (module.enableCompileCache) {
   module.enableCompileCache();
 }
-import '../dist/bin.js';
+await import('../dist/bin.js');

packages/cli/src/__tests__/bootstrap-compile-cache.spec.ts

@@ -0,0 +1,44 @@
+import { spawnSync } from 'node:child_process';
+import { copyFileSync, mkdirSync, mkdtempSync, rmSync, writeFileSync } from 'node:fs';
+import { tmpdir } from 'node:os';
+import { join } from 'node:path';
+
+import { expect, it } from 'vitest';
+
+it('enables the compile cache before evaluating the CLI module', () => {
+  const root = mkdtempSync(join(tmpdir(), 'vp-bootstrap-'));
+  try {
+    mkdirSync(join(root, 'bin'));
+    mkdirSync(join(root, 'dist'));
+    writeFileSync(join(root, 'package.json'), JSON.stringify({ type: 'module' }));
+    copyFileSync(new URL('../../bin/vp', import.meta.url), join(root, 'bin', 'vp'));
+    writeFileSync(
+      join(root, 'dist', 'bin.js'),
+      `import { getCompileCacheDir } from 'node:module';
+console.log(JSON.stringify({ enabled: getCompileCacheDir() !== undefined, args: process.argv.slice(2) }));
+process.exitCode = 17;
+`,
+    );
+    const env = { ...process.env };
+    delete env.NODE_COMPILE_CACHE;
+    delete env.NODE_DISABLE_COMPILE_CACHE;
+    delete env.NODE_OPTIONS;
+    const result = spawnSync(
+      process.execPath,
+      [join(root, 'bin', 'vp'), 'check', 'file with spaces.ts'],
+      {
+        env,
+        encoding: 'utf8',
+        timeout: 10_000,
+      },
+    );
+    expect(result.error).toBeUndefined();
+    expect(result.status).toBe(17);
+    expect(JSON.parse(result.stdout)).toEqual({
+      enabled: true,
+      args: ['check', 'file with spaces.ts'],
+    });
+  } finally {
+    rmSync(root, { recursive: true, force: true });
+  }
+});