run() — astro Function Reference

Architecture documentation for the run() function in server-stress.js from the astro codebase.

Function javascript PerformanceBenchmarking MetricsCalculator calls 2

Entity Profile

PerformanceBenchmarking→ MetricsCalculator→ run() — astro Function Reference

Dependency Diagram

graph TD
  b10e2763_a98a_e2fe_fbec_05e0586161fb["run()"]
  84e8dcec_8779_ed84_459a_2c92f21c0f63["server-stress.js"]
  b10e2763_a98a_e2fe_fbec_05e0586161fb -->|defined in| 84e8dcec_8779_ed84_459a_2c92f21c0f63
  cf992736_c919_558e_07d3_47d9dab7be64["benchmarkCannon()"]
  b10e2763_a98a_e2fe_fbec_05e0586161fb -->|calls| cf992736_c919_558e_07d3_47d9dab7be64
  8039d01f_d3a1_3872_c4e3_a7ce4b45bf93["printResult()"]
  b10e2763_a98a_e2fe_fbec_05e0586161fb -->|calls| 8039d01f_d3a1_3872_c4e3_a7ce4b45bf93
  style b10e2763_a98a_e2fe_fbec_05e0586161fb fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

benchmark/bench/server-stress.js lines 18–59

export async function run(projectDir, outputFile) {
	const root = fileURLToPath(projectDir);

	console.log('Building...');
	await exec(astroBin, ['build'], {
		nodeOptions: {
			cwd: root,
			stdio: 'inherit',
		},
		throwOnError: true,
	});

	console.log('Previewing...');
	const previewProcess = await exec(astroBin, ['preview', '--port', port], {
		nodeOptions: {
			cwd: root,
			stdio: 'inherit',
		},
	});

	console.log('Waiting for server ready...');
	await waitUntilBusy(port, { timeout: 5000 });

	console.log('Running benchmark...');
	const result = await benchmarkCannon();

	console.log('Killing server...');
	if (!previewProcess.kill('SIGTERM')) {
		console.warn('Failed to kill server process id:', previewProcess.pid);
	}

	console.log('Writing results to', fileURLToPath(outputFile));
	await fs.writeFile(outputFile, JSON.stringify(result, null, 2));

	console.log('Result preview:');
	console.log('='.repeat(10));
	console.log(`#### Server stress\n\n`);
	console.log(printResult(result));
	console.log('='.repeat(10));

	console.log('Done!');
}