@liam-public/node-slack-notifier

Minimal Slack chat.postMessage client with block chunking. Zero runtime dependencies — just fetch.

import { createSlackClient } from '@liam-public/node-slack-notifier'

const slack = createSlackClient(process.env.SLACK_BOT_TOKEN!, logger)
await slack.postMessage('#alerts', 'Nightly digest', blocks)

postMessage splits payloads over Slack's 50-block-per-message limit into successive calls, and returns false (never throws) on the first failure so a Slack outage is a soft failure, not an exception to unwind.

Extracted from @liam-public/shared-core so consumers that only need Slack notifications no longer pull shared-core's puppeteer / undici transitive deps.