TypeScript: Modern JavaScript Development

Chapter 6. Behavioral Design Patterns: Continuous

In the previous chapter, we've already talked about some of the behavioral design patterns. We'll be continuing with more patterns in this category in this chapter, including: Strategy Pattern, State Pattern, Template Method Pattern, Observer Pattern, and Visitor Pattern.

Many of these patterns share the same idea: unify the shape and vary the details. Here is a quick overview:

• Strategy Pattern and Template Pattern: Defines the same outline of algorithms
• State Pattern: Provides different behavior for objects in different states with the same interface
• Observer Pattern: Provides a unified process of handling subject changes and notifying observers
• Visitor Pattern: Does similar jobs as Strategy Pattern ...