How to send Javascript Object as readable JSON in Slack API?

Question

I am trying to send a formatted JS object on Slack using the API.

Best I could do was sending to chat.postMessage as:

const testObj = {a: "Hello", b: "World"};

...
data: {
  channel: "#my-channel"
  text: JSON.stringify(testObj, null, "\t")
}

But it's still not formatted well and can't be minimized like JSON file on Slack.

How can I send it better formatted or as a JSON file?

Answer 1

I would recommend you to use the Text Snippet feature via files.upload method, so you can format the content type properly, in this case javascript.

Send Slack Text Snippet	Run in Fusebit

const testObj = {a: "Hello", b: "World"};
const result = await slackClient.files.upload({
      channels: slackUserId,
      content: testObj,
      title: 'Sample',
      filetype: 'javascript'
});
const {name, pretty_type} = result.file;
ctx.body = { message: `Successfully sent a text snippet of type ${pretty_type} called ${name} to Slack user ${slackUserId}!` };