On Animation Finish Callback about react-spring HOT 4 CLOSED

@NicholasLYang onRest should do it actually. If something freezes that would be quite bad, would you like to make a codesandbox for it?

Another way would be to attempt using the Keyframes api:

basic example: https://codesandbox.io/embed/j1w4355593

two animated elements working together: https://codesandbox.io/embed/zl35mrkqmm

Human interaction: https://codesandbox.io/s/xjxpo462o4

With this you can await animations, chain and delay them. It's still super experimental at this point, and i haven't figured out a way to abort once you set stuff in motion, but if you don't switch primitives or do any other wild stuff, it could be fine.

Would still be interested in fixing onRest if there's a problem with it.

from react-spring.

I though about this some more and maybe i was wrong, Transition doesn't have a beginning and an end, it just reacts to random lifecycle changes. onRest in Transition wouldn't make much sense, unless it fires just out of the blue. Trail on the other hand could do that.

from react-spring.

Closing this for now, if you need further help i'll re-open

from react-spring.

If you have multiple animations in your useSpring, you can use the onRest "finished" property:

useSpring({
    from: {
          ...
    },
    to: [
        {
          ...
        },
        {
          ...
        },
    ],
    onRest: (e) => {
        if (e.finished === true) {
            console.error("Animation finished");
        }
    },
});`

from react-spring.