Clean code( Udemy)

Naming

• meaningful

1. Variables, constants: nouns/short phrases with adj
2. Functions/ methods ( command): verbs, short phrases with adj
3. classes ( use classes to create things): nouns, short phrases with nouns

• name casing:

1. snake_case: is_valid, send_response (python)
2. camelCase: isValid, sendResponse ( java, js)
3. PascalCase: AdminRole, UserRepository ( python, js, java) — classes
4. kebab-case: <side-drawer> , ( html) —-custom HTML elements

• value is an:

1. object: describe the value ( user, database)
2. number / string: describe ( name, age)
3. Boolean: answer the true/false ques( isActive, loggedIn)

Comment

Avoid comment!

Good comment:

• legal info
• warning
• Todo notes
• Documentation strings

Vertical formatting

• different concepts should be seperated by spacing
• similar concepts should not be seperated by spacing
• Related concepts should be closed to each other

Horizontal formatting

• Use indentation, avoid very long sentence
• Break long statements into multiple shorter ones

Function

• Minimize number of parameters!
• NO parameter function is good, avoid 3 parameters if possible, always avoid more than 3 parameters