Pipe to Slack

slackme

#!/usr/bin/env node

const http = require('https');
const url = process.env.SLACK_URL;

let data;

process.stdin.resume();
process.stdin.setEncoding('utf8');

process.stdin.on('data', function(chunk) {
  if (chunk) {
    if (data) {
      data += chunk;
    } else {
      data = chunk;
    }
  }
});

process.stdin.on('end', function() {
  console.log(process.argv);
  const payload = {
    channel: process.argv[2] || 'test-slackbot',
    username: process.argv[3] || 'pairingbot',
    icon_emoji: process.argv[4] || ':pairing:',
    text: data
  }

  const options = {
    hostname: 'hooks.slack.com',
    port: 443,
    path: url,
    method: 'POST',
    headers: {
      'Content-Type': 'application/x-www-form-urlencoded'
    }
  };

  const req = http.request(options, (res) => {
    res.setEncoding('utf8');
    res.on('data', (chunk) => {
      console.log(`BODY: ${chunk}`);
    });
  });

  req.on('error', (e) => {
    console.error(`problem with request: ${e.message}`);
  });

  // write data to request body
  req.write(JSON.stringify(payload));
  req.end();
});

Requires a slack webhook URL in your env as SLACK_URL and accepts channel, botname, bot emoji as arguments. Then takes whatever is piped into it and outputs it in the designated channel