builder factory typescript prototype solid oop design-patterns bridge singleton oop-principles abstract-factory creational-design-patterns structural-design-patterns behavioral-design-patterns design-patterns-in-typescript

design-patterns observer-pattern abstract builder-pattern adapter-pattern singleton-pattern bridge-pattern decorator-pattern facade-pattern prototype-pattern abstract-factory proxy-pattern flyweight-pattern composite-pattern creational-design-patterns structural-design-patterns behavioral-design-patterns