Clean Code

1. You are not done when it work

2. Invest the time to spend to write the program to make the program clean

3. Clean code what is expect when to read the code

4. Function should be verb (not noun)

5. Function

   1. Every things in the function should have the same abstraction
   2. Functions should be small
   3. Function should not have more than 3 params
   4. Don’t pass boolean to a function
   5. Avoid switch statement
   6. The should not any side effect
   7. If a function return void, it should have side effects
   8. if a function returns a value, it should not have side effects

6. File should be <100 lines

7. SOLID Design Principles

8. - Single responsibility

9. - Open-closed

10. - Liskov substitution

11. - Interface segregation

12. - Dependency inversion

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Clean Architecture

1. Things

2. Dependency Inversion Principle

3. Interface adapters

5. Entities

   1. They have no dependency

6. Use cases

   1. they only depend on entities
   2. Interactor
   3. Interface

7. Controllers

8. Gateway

9. Presenter

10. Devices

11. Web

12. Database

13. UI

14. External Interface

15. Related Topics

16. Dependency Injection

17. Rules

18. Data flow from outside to inside

19. Videos

20. Using Clean Architecture for Microservice APIs in Node.js with MongoDB and Express