Jest Fail On Console

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library 3.3.4 ·javascript
verified May 27, 2026

jest-fail-on-console is a utility library for Jest that enhances test suite robustness by automatically failing tests whenever `console.error()` or `console.warn()` methods are invoked during their execution. This helps developers identify and resolve unintended console output, which often indicates underlying issues or unnecessary noise in large codebases. The package is currently at version 3.3.4 and receives regular maintenance and feature updates, as evidenced by its recent patch releases addressing Jest compatibility and adding new configuration options. Its key differentiators include configurable options to fail on other console methods (`log`, `info`, `debug`, `assert`), advanced filtering with `allowMessage` and `silenceMessage` callbacks, and the ability to skip checks for specific tests, providing fine-grained control over console behavior during testing. It explicitly addresses a common pain point where Jest does not inherently fail tests for console output.

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