JavaScript/TypeScript How to write clean if-else statements
if-else statements can easily be nested and make the code unreadable if we don't consider anything to write it. if-else ...
Refactoring
JavaScript/TypeScript 
JavaScript/TypeScript TypeScript Make the function parameter more maintainable by using interface
Many programming languages support interface keyword. TypeScript also supports the feature. This is one of the important...
JavaScript/TypeScript TypeScript Utility types defined with infer keyword
infer keyword is one of the difficult features that TypeScript offers. Some utility types use infer keyword, so let's le...
JavaScript/TypeScript Implement IoT State Machine Transition By State Pattern In TypeScript
In my project, my team needed to implement State machine. One of the developers implemented it by using many if-else but...
JavaScript/TypeScript Reduce the number of if-else and switch-case conditional clauses
Have you found a function is not readable because of lots of conditional clauses such as if-else or switch-case? It's ti...
JavaScript/TypeScript TypeScript Replace switch-case logic with Record object
Switch-case is one of the basics for conditional statements and it is supported by many programming languages. It is use...
JavaScript/TypeScript TypeScript How to refactor a function to use named parameters
TypeScript and JavasScript don't offer named parameters. How can we do a similar thing? Is there are any to refactor the code to apply the technique?
JavaScript/TypeScript 5 Refactoring techniques that you can immediately apply
Many software developers want to know techniques that they can immediately apply to make their code readable. A function...
JavaScript/TypeScript Advanced state machine pattern
I recently implemented logic to provide state machine info. At first I didn't implement it by State pattern but I felt i...
JavaScript/TypeScript Replacing a static function by using proxy class
This is 4th post in Become a better and decent programmer series.In the first post, I explained how to extract logic in ...