Design Patterns in TypeScript

Watch this video to learn five essential Design Patterns, from the 'Gang of Four' book, in TypeScript! PUBLICATION PERMISSIONS:
Original video was published with the Creative Commons Attribution license (reuse allowed). Link: https://www.youtube.com/watch?v=JBu2ZTPgiKI *** Top Richest People in the World: https://www.youtube.com/watch?v=yb5uy_Fvhso Top TV Shows: https://www.youtube.com/watch?v=78DtV4RelO8 https://www.youtube.com/watch?v=D40olxrDw38