index.js

const { App, ExpressReceiver } = require('@slack/bolt');

const expressReceiver = new ExpressReceiver({
  signingSecret: process.env.SLACK_SIGNING_SECRET,
  endpoints: '/events',
  processBeforeResponse: true,
});

const app = new App({
  token: process.env.SLACK_BOT_TOKEN,
  signingSecret: process.env.SLACK_SIGNING_SECRET,
  receiver: expressReceiver,
  processBeforeResponse: true
});

app.error(console.error);

app.event('link_shared', async ({ event, client, ack }) => {
  try {
    console.log(event);
    await handleGCPLink({ event, client, ack });
    await handleNotionLink({ event, client, ack });
    await handleFigmaLink({ event, client, ack });
    ack && ack();
  }
  catch (error) {
    console.error(error);
  }
});

const handleNotionLink = async ({ event, client, ack }) => {
  if (event.links[0].url.includes('notion.so/')) {
    const linkPath = event.links[0].url.split('notion.so/').pop();
    const newLink = linkPath && `<notion://${linkPath}/>`;
    if (newLink) {
      try {
        await client.chat.postMessage({
          channel: event.channel,
          thread_ts: event.thread_ts || event.message_ts,
          "blocks": [
            {
              "type": "section",
              "text": {
                "type": "mrkdwn",
                "text": newLink
              }
            }
          ]
        });
      } catch (e) {
        console.error(e);
      }
    }
  }
};

const handleGCPLink = async ({ event, client, ack }) => {
  if (event.links[0].url.includes('https://console.cloud.google.com/')) {
    const link = event.links[0].url
    const newLink = `https://accounts.google.com/AccountChooser/signinchooser?continue=${encodeURIComponent(link)}&flowName=GlifWebSignIn&flowEntry=AccountChooser`;
    try {
      await client.chat.postMessage({
        channel: event.channel,
        thread_ts: event.thread_ts || event.message_ts,
        "blocks": [
          {
            "type": "section",
            "text": {
              "type": "mrkdwn",
              "text": newLink
            }
          }
        ]
      });
    } catch (e) {
      console.error(e);
    }
  }
}

const handleFigmaLink = async ({ event, client, ack }) => {
  if (event.links[0].url.includes('https://www.figma.com/')) {
    const linkPath = event.links[0].url.split('figma.com/').pop();
    const newLink = linkPath && `<figma://${linkPath}/>`;
    try {
      await client.chat.postMessage({
        channel: event.channel,
        thread_ts: event.thread_ts || event.message_ts,
        "blocks": [
          {
            "type": "section",
            "text": {
              "type": "mrkdwn",
              "text": newLink
            }
          }
        ]
      });
    } catch (e) {
      console.error(e);
    }
  }
}

/**
 * HTTP Cloud Function (llama)
 *
 * @param {Object} req Cloud Function request context.
 *                     More info: https://expressjs.com/en/api.html#req
 * @param {Object} res Cloud Function response context.
 *                     More info: https://expressjs.com/en/api.html#res
 */
exports.llama = expressReceiver.app;
console.log('⚡️ Llama is running!');