Skip to main content

Criticism and Caveats Of The State Design Pattern

While the State pattern can provide many benefits, like other design patterns, it also comes with its own set of caveats and criticisms.

Increased Complexity

The State pattern introduces additional classes and a level of indirection, which increases the overall complexity of the codebase. Developers must understand the State pattern to work with it effectively. In simple cases, using conditional logic might be more straightforward and easier to understand.

Overkill for Simple State Transitions

If there are only a few states and transitions, using the State pattern might be an overkill. For simple scenarios, using other techniques like conditional statements or a lookup map might be more efficient and simpler.

Maintaining State Consistency

Managing the transitions and ensuring state consistency can become difficult if the number of states or transitions is large.

State Classes Can Become Tightly Coupled

If state transitions are managed within the state classes themselves, the state classes can become tightly coupled. This can make the code harder to maintain and modify.

Potentially Higher Runtime Costs

Due to the use of polymorphism and the extra layer of abstraction, the State pattern could potentially incur higher runtime costs compared to simpler state management solutions. However, in most applications, this overhead is unlikely to be significant.

It's important to weigh these considerations against the advantages that the State pattern offers for your specific use case. It's a powerful tool when used in the right situations, but like any design pattern, it's not a one-size-fits-all solution. Remember, design patterns are not silver bullets, they are solutions to common problems in software design. They provide a template for how to solve a problem that can be used in many different situations. However, they should be implemented wisely, taking into account the context and specific requirements of the project.

TypeScript Course Instructor Image
TypeScript Course Instructor Image

Time To Transition From JavaScript To TypeScript

Level Up Your TypeScript And Object Oriented Programming Skills. The only complete TypeScript course on the marketplace you building TypeScript apps like a PRO.


What Can You Do Next 🙏😊

If you liked the article, consider subscribing to Cloudaffle, my YouTube Channel, where I keep posting in-depth tutorials and all edutainment stuff for software developers.

YouTube @cloudaffle