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Refactoring with Codemods to Automate API Changes


Using codemods to upgrade client code on API changes

By the end, you’ll see how codemods can become a vital part of your toolkit for managing large-scale codebases, helping you keep your code clean and maintainable while handling even the most challenging refactoring tasks. Returning to the scenario of the library developer, after the initial release, new usage patterns emerge, prompting the need to extend an API—perhaps by adding a parameter or modifying a function signature to make it easier to use. You’ll need to write more test cases to handle variations like if-else statements, logical expressions (e.g.,!featureToggle('feature-new-product-list')), and so on to make the codemod robust in real-world scenarios.

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