Category "arrow-functions"

How do I pass a function with argument into event Listener

In my drawing app I have a function called addMouseOver. It adds an eventlistener to all squares so that when you mouseover them they turn black. The problem is

Typescript 4.6 and Arrow Functions

We recently updated to typescript 4.6 (from 4.5) and are experiencing some weird this issues. for example we previously had a function defined at #handleUnsaved

Array.prototype.filter() expects a value to be returned at the end of function array-callback-return

I am trying handle below code and its showing enter image description here const toArray = props => (props && props.split ? props.split(',') :

Expected to return a value in arrow; function array-callback-return. Why?

I'm having some issues understanding why I'm getting a compile warning on this piece of my react code fetch('/users') .then(res => res.json())