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Vitest

A Vite-native unit testing framework with instant HMR, out-of-box TypeScript support, and Jest-compatible API.

ToolsProficient2 years of experience
Official WebsiteGitHub Repository

Advantages

  • Vite-powered speed
  • Jest compatible
  • Native ESM
  • In-source testing

Considerations

  • Vite dependency
  • Newer ecosystem
  • Some Jest plugins incompatible