[release] notify release status via slack (#79409)

This PR adds a step to send Slack notifications of the status of the
release.

---------

Co-authored-by: Sebastian "Sebbie" Silbermann <[email protected]>

Author: devjiwonchoi

.github/workflows/build_and_deploy.yml

@@ -618,7 +618,15 @@ jobs:
         if: steps.changesets.outputs.pullRequestNumber
         run: 'gh pr edit ${{ steps.changesets.outputs.pullRequestNumber }} --add-label "created-by: CI"'
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }
+
+      - name: Send a Slack notification of the publish status
+        run: pnpm tsx scripts/release/slack.ts
+        env:
+          SLACK_TOKEN: ${{ secrets.SLACK_TOKEN }}
+          RELEASE_STATUS: ${{ steps.changesets.outputs.published }}
+          WORKFLOW_LINK: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
+          WORKFLOW_ACTOR: ${{ github.actor }}
 
       - name: Upload npm log artifact
         if: steps.changesets.outputs.published == 'true'

package.json

@@ -118,6 +118,7 @@
     "@picocss/pico": "1.5.10",
     "@rspack/core": "1.3.9",
     "@rspack/plugin-react-refresh": "1.2.0",
+    "@slack/web-api": "7.9.1",
     "@swc/cli": "0.1.55",
     "@swc/core": "1.11.24",
     "@swc/helpers": "0.5.15",

pnpm-lock.yaml

@@ -0,0 +1,40 @@
+import { WebClient } from '@slack/web-api'
+
+async function slack() {
+  if (!process.env.SLACK_TOKEN) {
+    throw new Error('SLACK_TOKEN not set')
+  }
+
+  const workflowLink = process.env.WORKFLOW_LINK
+  if (!workflowLink) {
+    throw new Error('WORKFLOW_LINK not set')
+  }
+
+  const channel = process.env.SLACK_CHANNEL_ID ?? 'C0668R2391V' // #next-releases
+  // TODO: Configure SLACK_ envs for dry run testing to not ping the oncall.
+  // TODO: It'll become `@oncall-nextjs`
+  const ping = process.env.SLACK_PING ?? '@nextjs-oncall'
+
+  const message =
+    process.env.SLACK_MESSAGE ?? process.env.RELEASE_STATUS === 'true'
+      ? `Successfully published a new release!\n<https://github.com/vercel/next.js/releases|Releases Link>`
+      : `Failed to publish a new release triggered by "${process.env.WORKFLOW_ACTOR}". ${ping}\n<${workflowLink}|Workflow Link>`
+
+  const slackClient = new WebClient(process.env.SLACK_TOKEN)
+  const res = await slackClient.chat.postMessage({
+    channel,
+    text: message,
+    username: 'Next.js Bot',
+    icon_emoji: ':nextjs:',
+  })
+
+  if (!res.ok) {
+    throw new Error(
+      `Failed to send message "${message}" to Slack channel #next-releases: ${res.error}`
+    )
+  }
+
+  console.log('Successfully sent message to Slack!')
+}
+
+slack()