Mermaid
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Mermaid is a tool for doing dependency injection in cobra. By using cobra, viper and dig together. Make writing CLI application more easily.
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Mermaid
- 1. M17jneo8/2020-07-28 MERMAID A tool for generate CLI applications
- 2. Backend Engineer Github: jneo8 Twitter: @lin_jneo8 JAMES LIN (JNEO8)
- 3. CLI Application Generator fake data into databases CLI Flag, Config file, Environment Variable Dependency injection Testing REQUIREMENT
- 6. CONFIG
- 8. PROBLEM CMD1 Command- Line Flag Environment Variables Config File CMD2 Command- Line Flag Environment Variables Config File Handle config in main func
- 9. PROBLEM Command- Line Flag Environment Variables Config File CMD1 CMD2 Handle config in third func
- 21. OPEN-CLOSED PRINCIPLE (OCP) Open-Closed Principle Software entities (classes, modules, functions, etc.) should be open for extension, but closed for modification.
- 22. INVERSE OF CONTROL (IOC) Inverse Of Control DIP DI
- 24. Implement dependency injection manually PROBLEM A lot of code
- 25. PROBLEM
- 28. dig DEPENDENCY INJECTION Provide By Name
- 31. dig DEPENDENCY INJECTION cmd.Flags().Int(“a”, 2, “Int var A”) type Config struct { dig.In A int `name:”a”` }
- 34. Fails if no default or no provide config. DEPENDENCY INJECTION dig
- 36. TESTING
- 39. GLOBAL VARIABLE test1 test2 test3
- 41. GLOBAL VARIABLE test1 test2 test3
- 42. GLOBAL VARIABLE test1 test2 test3 logrus logrus logrus