fix(slack): convert Unicode emojis to Slack shortcodes for reactions

- Add node-emoji dependency for Unicode → shortcode conversion
- Update normalizeEmoji() to handle both Unicode (👀) and shortcode (👀) formats
- Fixes issue where Unicode emojis in config (messages.ackReaction) would fail with 'invalid_name' error
- Backwards compatible: existing shortcode configs continue to work

Resolves the root cause by making Slack emoji format transparent to users.
This commit is contained in:
Ross Shannon 2026-01-29 23:59:17 +00:00
parent 4583f88626
commit 6f36fbfc76
3 changed files with 64 additions and 86 deletions

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@ -194,6 +194,7 @@
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"markdown-it": "^14.1.0",
"node-edge-tts": "^1.2.9",
"node-emoji": "^2.2.0",
"osc-progress": "^0.3.0",
"pdfjs-dist": "^5.4.530",
"playwright-core": "1.58.0",

135
pnpm-lock.yaml generated
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@ -133,6 +133,9 @@ importers:
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node-emoji:
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version: 2.2.0
osc-progress:
specifier: ^0.3.0
version: 0.3.0
@ -383,12 +386,12 @@ importers:
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version: 1.2.2
moltbot:
specifier: workspace:*
version: link:../..
express:
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version: 5.2.1
moltbot:
specifier: workspace:*
version: link:../..
proper-lockfile:
specifier: ^4.1.2
version: 4.1.2
@ -2376,6 +2379,10 @@ packages:
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@ -3458,6 +3464,9 @@ packages:
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@ -4418,6 +4427,10 @@ packages:
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node-emoji@2.2.0:
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engines: {node: 4.x || >=6.0.0}
@ -5042,6 +5055,10 @@ packages:
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engines: {node: '>=8'}
sleep-promise@9.1.0:
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@ -5193,6 +5210,7 @@ packages:
tar@7.5.4:
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engines: {node: '>=18'}
deprecated: Old versions of tar are not supported, and contain widely publicized security vulnerabilities, which have been fixed in the current version. Please update. Support for old versions may be purchased (at exhorbitant rates) by contacting i@izs.me
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@ -5322,6 +5340,10 @@ packages:
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@ -7917,6 +7939,8 @@ snapshots:
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'@sindresorhus/is@4.6.0': {}
'@slack/bolt@4.6.0(@types/express@5.0.6)':
dependencies:
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@ -9062,6 +9086,8 @@ snapshots:
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char-regex@1.0.2: {}
chmodrp@1.0.2:
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@ -9098,84 +9124,6 @@ snapshots:
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'@aws-sdk/client-bedrock': 3.975.0
'@buape/carbon': 0.14.0(hono@4.11.4)
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'@grammyjs/transformer-throttler': 1.2.1(grammy@1.39.3)
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'@line/bot-sdk': 10.6.0
'@lydell/node-pty': 1.2.0-beta.3
'@mariozechner/pi-agent-core': 0.49.3(ws@8.19.0)(zod@4.3.6)
'@mariozechner/pi-ai': 0.49.3(ws@8.19.0)(zod@4.3.6)
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'@mozilla/readability': 0.6.0
'@sinclair/typebox': 0.34.47
'@slack/bolt': 4.6.0(@types/express@5.0.6)
'@slack/web-api': 7.13.0
'@whiskeysockets/baileys': 7.0.0-rc.9(audio-decode@2.2.3)(sharp@0.34.5)
ajv: 8.17.1
body-parser: 2.2.2
chalk: 5.6.2
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cli-highlight: 2.1.11
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markdown-it: 14.1.0
node-edge-tts: 1.2.9
osc-progress: 0.3.0
pdfjs-dist: 5.4.530
playwright-core: 1.58.0
proper-lockfile: 4.1.2
qrcode-terminal: 0.12.0
sharp: 0.34.5
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tar: 7.5.4
tslog: 4.10.2
undici: 7.19.0
ws: 8.19.0
yaml: 2.8.2
zod: 4.3.6
optionalDependencies:
'@napi-rs/canvas': 0.1.88
node-llama-cpp: 3.15.0(typescript@5.9.3)
transitivePeerDependencies:
- '@discordjs/opus'
- '@modelcontextprotocol/sdk'
- '@types/express'
- audio-decode
- aws-crt
- bufferutil
- canvas
- debug
- devtools-protocol
- encoding
- ffmpeg-static
- jimp
- link-preview-js
- node-opus
- opusscript
- supports-color
- typescript
- utf-8-validate
cli-cursor@5.0.0:
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@ -9405,6 +9353,8 @@ snapshots:
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emojilib@2.4.0: {}
encodeurl@2.0.0: {}
entities@4.5.0: {}
@ -10481,6 +10431,13 @@ snapshots:
- supports-color
- utf-8-validate
node-emoji@2.2.0:
dependencies:
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char-regex: 1.0.2
emojilib: 2.4.0
skin-tone: 2.0.0
node-fetch@2.7.0:
dependencies:
whatwg-url: 5.0.0
@ -11322,6 +11279,10 @@ snapshots:
sisteransi@1.0.5: {}
skin-tone@2.0.0:
dependencies:
unicode-emoji-modifier-base: 1.0.0
sleep-promise@9.1.0:
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@ -11583,6 +11544,8 @@ snapshots:
undici@7.19.0: {}
unicode-emoji-modifier-base@1.0.0: {}
unicode-properties@1.4.1:
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@ -1,4 +1,5 @@
import type { WebClient } from "@slack/web-api";
import emoji from "node-emoji";
import { loadConfig } from "../config/config.js";
import { logVerbose } from "../globals.js";
@ -47,11 +48,24 @@ function resolveToken(explicit?: string, accountId?: string) {
return token;
}
/**
* Normalize emoji for Slack reactions.
* Converts Unicode emojis to Slack shortcodes (👀 eyes).
* Strips colons from already-formatted shortcodes (:eyes: eyes).
*/
function normalizeEmoji(raw: string) {
const trimmed = raw.trim();
if (!trimmed) {
throw new Error("Emoji is required for Slack reactions");
}
// Try Unicode → shortcode conversion first
const shortcode = emoji.which(trimmed);
if (shortcode) {
return shortcode;
}
// Fall back to stripping colons (for already-formatted shortcodes)
return trimmed.replace(/^:+|:+$/g, "");
}