Object-oriented programming principles lay the foundation for design patterns. Let's briefly touch on the core principles before diving into some common TypeScript design patterns.

• Encapsulation: Bundling data and methods that operate on the data into a single unit, known as a class, promotes data privacy and controlled access.
• Abstraction: Hiding complex implementation details behind simplified interfaces allows developers to focus on high-level functionalities.
• Inheritance: Creating a new class by inheriting properties and behaviors from an existing class facilitates code reuse and promotes hierarchical relationships.
• Polymorphism: Referring to different objects through a common interface enables dynamic behavior based on the actual object type.

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