Update Message

import { WebClient } from "@slack/web-api"

/**

 * Update Message

 * Replace the text and/or Block Kit blocks of a message identified by its channel and `ts`. A bot token can only edit the app's own messages, a user token only the user's own. Needs chat:write.

 */

export async function main(

  auth: RT.Slack,

  channel: string,

  ts: string,

  text?: string,

  blocks?: { [key: string]: any }[]

) {

  const client = new WebClient(auth.token)

  return await client.chat.update(

    dropEmpty({ channel, ts, text, blocks }) as any

  )

}

function dropEmpty<T extends { [key: string]: any }>(params: T) {

  return Object.fromEntries(

    Object.entries(params).filter(

      ([, v]) => v !== undefined && v !== null && v !== ""

    )

  ) as T

}