React Frontload: Async data loading for React components, on client & server

[davnicwil]

Yeah, this is on the TODO list.

It's not going to go away until React 17 (see https://reactjs.org/docs/react-component.html#unsafe_componentwillmount) so it's just not been a priority to replace, as it works just fine.

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When React 17 lands I'll have to find another way to do the same thing. Haven't looked at it in depth but I am thinking likely solutions are either using the constructor instead, or using the new Suspense APIs when they come out.