Piranha

CLI tool that automatically refactors code to remove stale feature flags.

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Piranha (PolyglotPiranha) is an open-source code transformation tool that automatically refactors away stale feature-flag code once a flag's rollout is complete, across languages including Java, JavaScript, Objective-C, and Swift. It runs as a command-line tool or Python library. Built at Uber, it's aimed at engineering teams looking to reduce code clutter left behind by expired feature flags.

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