nushell - discord - bot - bookmarklet prototype

iter.nu

use xs2.nu *

.cat | stateful filter {messages: {} marked: {}} {
    |state frame|
        if $frame == null {
            return {out: $state}
        }

        if $frame.topic != "discord.ws.recv" { return {} }
        let message = ($frame | .cas $in.hash | from json)
        if $message.op != 0 { return {} }

        mut state = $state

        match $message.t {
            "MESSAGE_CREATE" => (
                $state.messages = ($state.messages | insert $message.d.id $message.d.content))

            "MESSAGE_UPDATE" => (
                $state.messages = ($state.messages | upsert $message.d.id $message.d.content))

            "MESSAGE_DELETE" => (
                $state.marked = ($state.marked | reject -i $message.d.id))

            "MESSAGE_REACTION_ADD" => (
                if $message.d.emoji.name == "🔖" {
                    $state.marked = ($state.marked | insert $message.d.message_id true) }
            )

            "MESSAGE_REACTION_REMOVE" => (
                if $message.d.emoji.name == "🔖" {
                    $state.marked = ($state.marked | reject -i $message.d.message_id) }
            )
        }

        let messages = $state.messages

      {state: $state}
}