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Evaluating alternatives to TypeScript’s switch case

Blog post from LogRocket

Post Details
Company
Date Published
Author
Rahul Chhodde
Word Count
1,845
Language
-
Hacker News Points
-
Summary

Switch case statements in TypeScript are a topic of debate due to their verbosity and potential for errors, particularly in large-scale projects. While they offer benefits like elegance and performance compared to lengthy if-else blocks, they can become cumbersome and less maintainable as projects expand. Alternatives such as object lookup tables and object-oriented programming (OOP) principles like polymorphism and inheritance are suggested for better maintainability and readability. Object lookup tables provide a less verbose option but involve trade-offs in time and memory efficiency. OOP techniques, on the other hand, provide a more robust framework by allowing for easy modification and extension without violating software design principles like the open-closed principle. These alternatives are recommended for more scalable and maintainable codebases, especially in projects that may grow in complexity and size.