This is a rule-based checklist for software codebases that follow object-oriented programming principles. Keep it simple and enforceable.

Git

• Small and frequent commits using Conventional Commits

Line of code:

• Limit lines to 80 characters

Method

• Small methods: 5 lines of code max
• Limit method arguments
• Limit data types of method arguments
• Explicit return of data type
• Return same data type
• Explicit error handling
• Error messages are easy to understand

Class

• Limit amount of public methods
• Add methods in private methods
• Maximum class size is 100 lines of code