essential tools for javascript developers

1) JSdoc

Documenting code is very essential as it provide better readabilty to other programmers.

< https://www.valentinog.com/blog/jsdoc/ >

  

2) ESlint

Code linting is essential for developement, for finding problem early and fixing them.

< https://eslint.org/ >

3) Jest

Jest is powerful javascript unit testing framework which helps you with automated testing.

< https://jestjs.io/ >

< https://www.youtube.com/watch?v=FgnxcUQ5vho >

4) Babel

< https://babeljs.io/docs/en/ >

5) Testing FireBase cloud functions 

< https://firebase.google.com/docs/functions/unit-testing >

6) Unit testing react native apps

< https://jestjs.io/docs/tutorial-react-native >

< https://blog.logrocket.com/unit-testing-react-native/ >

Some more :

< https://everyday.codes/javascript/7-really-good-reasons-not-to-use-typescript/ >