Description

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What type of issue is this? (place an x in one of the [ ])

• bug
• enhancement (feature request)
• question
• documentation related
• testing related
• discussion

Requirements (place an x in each of the [ ])

• I've read and understood the Contributing guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.
• I've searched for any related issues and avoided creating a duplicate issue.

Bug Report

Type definition of ChatPostMessageArguments has message as required property but in slack api doc, as optional property.

Packages:

Select all that apply:

• @slack/web-api
• @slack/events-api
• @slack/interactive-messages
• @slack/rtm-api
• @slack/webhooks
• @slack/oauth
• @slack/socket-mode
• I don't know

Reproducible in:

package version: 6.0.0

node version: 14.15.4

OS version(s): Linux 5.10.14-arch1-1 SMP PREEMPT Sun, 07 Feb 2021 22:42:17 +0000 x86_64 GNU/Linux

Steps to reproduce:

1. write code as below

   webClient.chat.postMessage({
     channel: 'C0BQ8GW78',
     blocks: [
       {
         type: 'section',
         text: {
           type: 'mrkdwn',
           text:
             "Hello, Assistant to the Regional Manager Dwight! *Michael Scott* wants to know where you'd like to take the Paper Company investors to dinner tonight.\n\n *Please select a restaurant:*",
         },
       },
     ],
   })

2. run tsc

3. got error

   src/index.ts:105:28 - error TS2345: Argument of type '{ channel: string; blocks: { type: "section"; text: { type: "mrkdwn"; text: string; }; }[]; }' is not assignable to parameter of type 'ChatPostMessageArguments'.
     Property 'text' is missing in type '{ channel: string; blocks: { type: "section"; text: { type: "mrkdwn"; text: string; }; }[]; }' but required in type 'ChatPostMessageArguments'.
   

Expected result:

No error occured.

Actual result:

Compile failed.

Attachments:

Logs, screenshots, screencast, sample project, funny gif, etc.