Strategy : Design Patterns in TypeScript

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Published on June 19, 2021 9:54:15 AM ● Video Link: https://www.youtube.com/watch?v=J7DtdyIIvMM

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Documentation : https://sbcode.net/typescript/strategy/

The Strategy Pattern is similar to the State Pattern, except that the client passes in the algorithm that the context should run.

The algorithm should be contained within a class that implements the particular strategies interface.

An application that sorts data is a good example of where you can incorporate the Strategy pattern.

There are many methods of sorting a set of data. E.g., Quicksort, Mergesort, Introsort, Heapsort, Bubblesort. See https://en.wikipedia.org/wiki/Sorting_algorithm for more examples.

The user interface of the client application can provide a drop-down menu to allow the user to try the different sorting algorithms.

Upon user selection, a reference to the algorithm will be passed to the context and processed using this new algorithm instead.

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