Performance - deferring the fetch, debouncing?

[tmladek]

Hi, first off, thanks a lot for swrv, it has since become my favorite pattern/library to use :)

I'm just wondering about two cases, mostly related to performance:

1. What's an idiomatic way to defer a fetch until later - say, until the component scrolls into view? I know it's possible to just return null instead of a string in the key function, but I was wondering if I was maybe accidentally abusing this behavior.

2. Does swrv implement some kind of debouncing - say, if a dozen components requests the same thing at once? Or is this the responsibility of the fetcher function? In which case, are there any pointers as to what library pairs well with swrv for this?

Thanks!

[jordypereira]

Your 2. is called deduping and is a standard feature of swr(v).
https://github.com/Kong/swrv#config-options

[darrenjennings]

What's an idiomatic way to defer a fetch until later - say, until the component scrolls into view? I know it's possible to just return null instead of a string in the key function, but I was wondering if I was maybe accidentally abusing this behavior.

Tracking here: #148 (comment) and for now, null fetcher is the way to go.