Function phase4

packages/cli/scripts/check-package.ts:251–327

()

// ── Phase 4: Consumer smoke test ───────────────────────────────────

function phase4() {
  heading('Phase 4: Consumer smoke test');

  const distIndex = join(ROOT, 'dist', 'linter', 'index.js');
  const distTypes = join(ROOT, 'dist', 'linter', 'index.d.ts');

  // 16. Import resolution (ESM)
  const tmpDir = mkdtempSync(join(tmpdir(), 'check-pkg-'));
  const smokeFile = join(tmpDir, 'smoke.mjs');
  writeFileSync(
    smokeFile,
    `import { lint } from '${distIndex}';\n` +
    `if (typeof lint !== 'function') { process.exit(1); }\n` +
    `console.log('ok');\n`
  );
  const importCheck = exec(`node ${smokeFile}`);
  if (!importCheck.ok || !importCheck.stdout.trim().endsWith('ok')) {
    console.error('Smoke test failed!');
    console.error('STDOUT:', importCheck.stdout);
    console.error('STDERR:', importCheck.stderr);
  }
  check('#16 Import resolution (ESM)', importCheck.ok && importCheck.stdout.trim().endsWith('ok'),
    'Could not import lint() from dist/index.js');

  // 17. Type declarations exist and export lint
  const dtsContent = existsSync(distTypes) ? readFileSync(distTypes, 'utf-8') : '';
  const hasLintExport = dtsContent.includes('export') && dtsContent.includes('lint');
  const hasLintReportType = dtsContent.includes('LintReport');
  check('#17 Type declarations valid',
    hasLintExport && hasLintReportType,
    `index.d.ts missing lint export or LintReport type`);

  // 18. Runtime sanity
  const sanityFile = join(tmpDir, 'sanity.mjs');
  writeFileSync(
    sanityFile,
    `import { lint } from '${distIndex}';\n` +
    `const result = lint('---\\nname: Test\\ncolors:\\n  primary: "#ff0000"\\n---');\n` +
    `const keys = Object.keys(result);\n` +
    `const expected = ['designSystem','findings','summary','tailwindConfig'];\n` +
    `const hasAll = expected.every(k => keys.includes(k));\n` +
    `if (!hasAll) {\n` +
    `  console.error('Missing keys. Actual:', keys);\n` +
    `  process.exit(1);\n` +
    `}\n` +
    `if (typeof result.designSystem !== 'object') { process.exit(1); }\n` +
    `if (!Array.isArray(result.findings)) { process.exit(1); }\n` +
    `if (typeof result.summary.errors !== 'number') { process.exit(1); }\n` +
    `console.log('ok');\n`
  );
  const sanityCheck = exec(`node ${sanityFile}`);
  if (!sanityCheck.ok || !sanityCheck.stdout.trim().endsWith('ok')) {
    console.error('Sanity check failed!');
    console.error('STDOUT:', sanityCheck.stdout);
    console.error('STDERR:', sanityCheck.stderr);
  }
  check('#18 Runtime sanity', sanityCheck.ok && sanityCheck.stdout.trim().endsWith('ok'),
    'lint() did not return expected shape');