just checking, is this still the only way to have a global interceptor? https://github.com/Day8/re-frame/blob/master/docs/FAQs/GlobalInterceptors.md

we would just like to add some spec validation of the app-db

but there are hundreds of reg-event-db spread over the place, having our own wrapper could work but if there is another way would be even better

tbh actually I think that spec validation is such a common pattern that it could be even be a re-frame feature ideally?

only problem is how to construct the massive spec, considering it's really in theory composed instead of many layers of sub-specs

And for many situations you only want to spec the area just updated.

By "the area", I mean the area within app-db

Although obviously checking the whole of app-db could be done each time. Just might be inefficient.

I guess we haven't insisted on any approach. We've just left the pieces there for everyone to make their own decisions.

yes ok I'll give it a go

and well if we turn it on only for dev/test we don't really care about efficiency

but maybe another way to register a global interceptor would be nice, even if surely someone could complain it's magic

Hi @andrea.crotti I think add-post-event-callback is what you are looking It’s not documented feature I think ))

https://github.com/Day8/re-frame/blob/master/src/re_frame/core.cljc#L201

uh nice @ts1503 but given it's undocumented maybe I should not use it, in case it changes/gets deleted in the future?

In docs this feature marked like - for advanced cases. Maybe your case is advanced?)

It is certainly a part of the official interface

But this is the recommended way https://github.com/Day8/re-frame/blob/master/docs/FAQs/GlobalInterceptors.md

can anyone point me to an example or guidance for integrating a substantial third-party component into re-frame in a sane way? I'm looking at CodeMirror in particular, but any advice is welcome.

it requires calling JS functions with an element reference once the component is mounted and so on; I've never used React directly, so I'm a bit out of my depth.

being able to update the DB with, say, errors to highlight in the editor, and have a subscription cause a call to CM would be ideal.

(I don't care to put the text contents into the DB in real time, I'm okay with pulling the contents on a Save button's action.)

@braden.shepherdson There’s this: https://github.com/Day8/re-frame/blob/master/docs/Using-Stateful-JS-Components.md

that's quite a first paragraph 😄

that looks like exactly what I need, thanks!

For codemirror, in my project we did it like this: https://gist.github.com/isaksky/a96476fa51a10ba903b7c6bdcb13c85b

another option

@braden.shepherdson also https://purelyfunctional.tv/guide/re-frame-lifecycle/ is a pretty good overview of form 3 style components