vitest-profiler

Wondering how to diagnose slow or flaky tests in your Vitest setup? Vitest Profiler is a cutting-edge Vite plugin that surfaces performance bottlenecks within your test suite—perfect for developers, QA engineers, and CI/CD professionals aiming to accelerate and stabilize their test runs.

🔑 Key Features:

1. Fine-Grained Test Timing:

– Instruments each test file and test suite to log precise execution times.
– Identifies slow-running tests, helping you address performance hotspots efficiently.

2. Seamless Vite Integration:

– Works as a Vite-compatible plugin, activated simply via your vite.config.ts or vitest.config.ts.
– Automatically profiles tests without altering existing test code.

3. Actionable Insights:

– Quickly spot and optimize the slowest tests, reducing overall suite execution time and minimizing CI pipeline delays.
– Supports iterative performance tracking as your test suite evolves.

🚀 Key Benefits:

• Speed Up Pipelines: Detect and fix sluggish tests to improve CI/CD turnaround.
• Prioritize Refactoring: Focus efforts on performance-critical tests causing delays.
• Boost Stability: Remove bottlenecks that could contribute to flaky tests.
• Resource Efficiency: Reduce CPU/memory usage by streamlining long-running tests.

Vitest Profiler brings transparency and control to test performance, making slowdowns and inefficiencies immediately visible. Its integration is frictionless, and the impact—especially on CI stability and developer productivity—can be profound.