Combining patterns
It's perfectly fine to combine design patterns as long as they do not interfere with one another or to eliminate any concerns. Doing so, you gain the benefits of both patterns while removing the need to write extraneous and sparse code that you may have when you create many abstractions.
We will showcase some examples of valid combinations of design patterns together with their usage.
Singleton
Singleton is the most flexible pattern to glue on. This is because the traits and benefits it offers usually do not interfere with other patterns and their responsibilities. Quite often, this pattern is implemented using TypeScript decorator syntax or by simply inheriting from the Singleton class.
We will discuss some of the most common patterns that pair well with Singleton:
