test: remove eslint, use biome.

.github/dependabot.yml

@@ -7,11 +7,6 @@ updates:
     labels:
       - "npm"
       - "dependencies"
-    groups:
-      linter:
-        patterns:
-        - "eslint*"
-        - "@typescript-eslint*"
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:

.github/workflows/eslint.yml → .github/workflows/lint.yml

@@ -1,4 +1,4 @@
-name: Linting with ESLint
+name: Build and Lint
 
 on:
   push:
@@ -11,14 +11,12 @@ jobs:
     timeout-minutes: 5
     strategy:
       matrix:
-        node-version: [18.x, 20.x]
+        node-version: [18.x, 20.x, 22.x]
     steps:
     - uses: actions/checkout@v4
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v4
       with:
         node-version: ${{ matrix.node-version }}
-    - name: Install modules
-      run: npm install
-    - name: Run ESLint
-      run: npm run lint
+    - run: npm install
+    - run: npm test

biome.json

@@ -0,0 +1,32 @@
+{
+  "$schema": "https://biomejs.dev/schemas/1.8.3/schema.json",
+  "formatter": {
+    "enabled": true,
+    "formatWithErrors": false,
+    "ignore": [],
+    "attributePosition": "auto",
+    "indentStyle": "space",
+    "indentWidth": 2,
+    "lineWidth": 120,
+    "lineEnding": "lf"
+  },
+  "javascript": {
+    "formatter": {
+      "quoteStyle": "single"
+    }
+  },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "recommended": true
+    }
+  },
+  "organizeImports": {
+    "enabled": true
+  },
+  "vcs": {
+    "enabled": true,
+    "clientKind": "git",
+    "useIgnoreFile": true
+  }
+}

listeners/actions/index.ts

@@ -1,4 +1,4 @@
-import { App } from '@slack/bolt';
+import type { App } from '@slack/bolt';
 import sampleActionCallback from './sample-action';
 
 const register = (app: App) => {

listeners/actions/sample-action.ts

@@ -1,11 +1,16 @@
-import { AllMiddlewareArgs, BlockAction, SlackActionMiddlewareArgs } from '@slack/bolt';
+import type { AllMiddlewareArgs, BlockAction, SlackActionMiddlewareArgs } from '@slack/bolt';
 
-const sampleActionCallback = async ({ ack, client, body }:
-  AllMiddlewareArgs & SlackActionMiddlewareArgs<BlockAction>) => {
+const sampleActionCallback = async ({
+  ack,
+  client,
+  body,
+}: AllMiddlewareArgs & SlackActionMiddlewareArgs<BlockAction>) => {
   try {
     await ack();
     await client.views.update({
+      // biome-ignore lint/style/noNonNullAssertion: view may be undefined, depending on the source of this action(did it come from an action within a conversation message or a modal?). take care!
       view_id: body.view!.id,
+      // biome-ignore lint/style/noNonNullAssertion: view may be undefined, depending on the source of this action(did it come from an action within a conversation message or a modal?). take care!
       hash: body.view!.hash,
       view: {
         type: 'modal',

listeners/commands/index.ts

@@ -1,4 +1,4 @@
-import { App } from '@slack/bolt';
+import type { App } from '@slack/bolt';
 import sampleCommandCallback from './sample-command';
 
 const register = (app: App) => {

listeners/commands/sample-command.ts

@@ -1,7 +1,6 @@
-import { AllMiddlewareArgs, SlackCommandMiddlewareArgs } from '@slack/bolt';
+import type { AllMiddlewareArgs, SlackCommandMiddlewareArgs } from '@slack/bolt';
 
-const sampleCommandCallback = async ({ ack, respond }:
-  AllMiddlewareArgs & SlackCommandMiddlewareArgs) => {
+const sampleCommandCallback = async ({ ack, respond }: AllMiddlewareArgs & SlackCommandMiddlewareArgs) => {
   try {
     await ack();
     await respond('Responding to the sample command!');

listeners/events/app-home-opened.ts

@@ -1,6 +1,9 @@
-import { AllMiddlewareArgs, SlackEventMiddlewareArgs } from '@slack/bolt';
+import type { AllMiddlewareArgs, SlackEventMiddlewareArgs } from '@slack/bolt';
 
-const appHomeOpenedCallback = async ({ client, event }: AllMiddlewareArgs & SlackEventMiddlewareArgs<'app_home_opened'>) => {
+const appHomeOpenedCallback = async ({
+  client,
+  event,
+}: AllMiddlewareArgs & SlackEventMiddlewareArgs<'app_home_opened'>) => {
   // Ignore the `app_home_opened` event for anything but the Home tab
   if (event.tab !== 'home') return;
 

listeners/events/index.ts

@@ -1,4 +1,4 @@
-import { App } from '@slack/bolt';
+import type { App } from '@slack/bolt';
 import appHomeOpenedCallback from './app-home-opened';
 
 const register = (app: App) => {

listeners/index.ts

@@ -1,4 +1,4 @@
-import { App } from '@slack/bolt';
+import type { App } from '@slack/bolt';
 import actions from './actions';
 import commands from './commands';
 import events from './events';

listeners/messages/index.ts

@@ -1,4 +1,4 @@
-import { App } from '@slack/bolt';
+import type { App } from '@slack/bolt';
 import sampleMessageCallback from './sample-message';
 
 const register = (app: App) => {

listeners/messages/sample-message.ts

@@ -1,4 +1,4 @@
-import { AllMiddlewareArgs, SlackEventMiddlewareArgs } from '@slack/bolt';
+import type { AllMiddlewareArgs, SlackEventMiddlewareArgs } from '@slack/bolt';
 
 const sampleMessageCallback = async ({ context, say }: AllMiddlewareArgs & SlackEventMiddlewareArgs<'message'>) => {
   try {

listeners/shortcuts/index.ts

@@ -1,4 +1,4 @@
-import { App } from '@slack/bolt';
+import type { App } from '@slack/bolt';
 import sampleShortcutCallback from './sample-shortcut';
 
 const register = (app: App) => {

listeners/shortcuts/sample-shortcut.ts

@@ -1,7 +1,6 @@
-import { AllMiddlewareArgs, SlackShortcutMiddlewareArgs } from '@slack/bolt';
+import type { AllMiddlewareArgs, SlackShortcutMiddlewareArgs } from '@slack/bolt';
 
-const sampleShortcutCallback = async ({ shortcut, ack, client }:
-  AllMiddlewareArgs & SlackShortcutMiddlewareArgs) => {
+const sampleShortcutCallback = async ({ shortcut, ack, client }: AllMiddlewareArgs & SlackShortcutMiddlewareArgs) => {
   try {
     const { trigger_id } = shortcut;
 

listeners/views/index.ts

@@ -1,4 +1,4 @@
-import { App } from '@slack/bolt';
+import type { App } from '@slack/bolt';
 import sampleViewCallback from './sample-view';
 
 const register = (app: App) => {

listeners/views/sample-view.ts

@@ -1,7 +1,6 @@
-import { AllMiddlewareArgs, SlackViewMiddlewareArgs } from '@slack/bolt';
+import type { AllMiddlewareArgs, SlackViewMiddlewareArgs } from '@slack/bolt';
 
-const sampleViewCallback = async ({ ack, view, body, client }:
-  AllMiddlewareArgs & SlackViewMiddlewareArgs) => {
+const sampleViewCallback = async ({ ack, view, body, client }: AllMiddlewareArgs & SlackViewMiddlewareArgs) => {
   await ack();
 
   try {