[CI] Create lint-and-build action. (#14)

.github/workflows/lint-and-build.yml

@@ -0,0 +1,32 @@
+name: Lint and Build
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+
+jobs:
+  lint-and-build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "24"
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Lint
+        run: npm run lint
+
+      - name: Type check
+        run: npm run typecheck
+
+      - name: Build
+        run: npm run build

package.json

@@ -29,6 +29,8 @@
   "scripts": {
     "dev": "tsx watch --enable-source-maps src/index.ts",
     "start": "node dist/index.js",
+    "lint": "npx eslint .",
+    "typecheck": "npx tsc --noEmit",
     "build": "npm run clean && node scripts/build.js && npm run copyfiles",
     "clean": "rimraf dist",
     "copyfiles": "copyfiles -u 1 \"./src/**/*.html\" ./dist",

src/utils/embed-utils.ts

@@ -1,7 +1,7 @@
 import { APIEmbed, Client } from 'discord.js';
 
-type EmbedSeverity =
+type EmbedSeverity
-  | 'info'
+  = | 'info'
   | 'warning'
   | 'error'
   | 'success'