Jest
Delightful JavaScript testing with speed, coverage, and simplicity built-in.
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Why Jest?
Zero Config
Works out of the box with Babel, TypeScript, and most frontend frameworks.
Snapshot Testing
Capture component output and detect unintended changes with snapshots.
Built-in Mocking
Mock modules, timers, and functions without external dependencies.
Code Coverage
Integrated Istanbul support for detailed coverage reports.
Multi-Project Runner
Easily manage tests for monorepos or large-scale apps with multiple configs.
Where Jest Shines
React App Testing
Snapshot Regression Checks
Mock-Heavy Testing
CI/CD Friendly
TypeScript Projects
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