events for managing cabals

[khubo]

Currently all events are at cabal level, and there is no events emitted for adding/joining/removing cabal etc. It would be dope if we could have some events for the same at client level. Events on top of my head is:

• joining cabal
• creating cabal
• leaving cabal

[cblgh]

thanks for making an issue on this @khubo!

just gonna brainstorm a bit

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so we have the client object typically, e.g.

const Client = require("cabal-client")
const client = new Client({/* opts */})

// which is e.g. used to create a cabal
client.createCabal().then(/* more stuff */)

so i guess this proposal would look something like

client.on("leave", ({ key /* anything else? */}) => /* do stuff in the on-leave */)
client.on("join", ({ key }) => ) // currently covered by cb here https://github.com/cabal-club/cabal-client/blob/master/src/client.js#L169
client.on("create" ({ key }) => ) // also covered by cb here https://github.com/cabal-club/cabal-client/blob/master/src/client.js#L169

some other interesting events at the client level:

• "removed": cabal has been removed https://github.com/cabal-club/cabal-client/blob/master/src/client.js#L267
  • removing data from the underlying storage is client specific atm
• "init": the initialization init event, after which performing actions on the cabal is safe
• "focus": the currently focused cabal (e.g. the active cabal, the one you are chatting in atm) has been switch from one to another https://github.com/cabal-club/cabal-client/blob/master/src/client.js#L250

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yeah i like it, i think :) how do you feel about those three additional events?