use-raf hook: animation hook for react using requestAnimationFrame

[Sparkenstein]

What new hook does?

Checklist

• Have you read contribution guideline?
• Does the code have comments in hard-to-understand areas?
• Is there an existing issue for this PR?
• Have the files been linted and formatted?
• Have the docs been updated?
• Have the tests been added to cover new hook?
  • NOTE: need more tests
• Have you run the tests locally to confirm they pass?

[Sparkenstein]

Few questions:

• I am not really good with Jest, need to add more tests. please suggest new tests and approaches.
• I was referring react-use test cases for useRaf, it uses raf-stub which is written in JS. so couldn't use it in tests as types are not available for it

[Sparkenstein]

any plan to merge this?

[xobotyi]

i have several notices on implementation, but I'm ill ATM, will do the review later.

[xobotyi]

ms should have no default value, also, it is better to rename in to duration

[xobotyi]

1. This hook should have handles to stop and start re-rendenring process, start should apply optional rerender duration.
2. In implementation it should reuse useRafCallback hook, that is already implemented in this package.
3. elapsed should use useSafeState, since it is updated asynchronously - there is a chance, that component will be unmounted before state update.

[xobotyi]

I was referring react-use test cases for useRaf, it uses raf-stub which is written in JS. so couldn't use it in tests as types are not available for it

Tests don't require raf-stub since Jest provides pretty much all needed functionality, see https://github.com/react-hookz/web/blob/master/src/useRafCallback/__tests__/dom.ts

[SCG82]

Please consider streamich/react-use#2215