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Great post Dan. Just out of curiosity - what's your goto approach for replacing examples like the SetIntervalMixin (https://facebook.github.io/react/docs/reusable-components.ht...) with a HOC? I can't seem to find something that feels very elegant for these cases.

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I’d probably create a class that lets me schedule intervals on its instance, and call `this.scheduler.dispose()` in `componentWillUnmount()`. I don’t think accidentally forgetting to dispose of it is a big problem as it’s easy to catch in a code review. But if it concerns you, HOC could work for this as well. In the future, we might build some helpers for this into React itself.

Yup - that's more or less what I've ended up with. Just wanted to hear you if you had a better solution at hand. It's pretty much an edge case example, as 99% of all this stuff fit perfectly into the HOC way of thinking. The remaining cases won't add any more context/complexity than using mixins do anyway.

Thanks for all your hard work!

You could write a pretty trivial component which takes an interval and method as props, and sets the interval in componentDidMount and cancels it in componentWillUnmount.

It probably doesn't make sense to do a timeout that way...

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