diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 0000000..f3c437b
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,35 @@
+name: CI
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  type-check:
+    name: Type Check
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v5
+      - uses: oven-sh/setup-bun@v2
+      - run: bun install
+      - run: bun check
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v5
+      - uses: oven-sh/setup-bun@v2
+      - run: bun install --frozen-lockfile
+      - run: bun run build
+  lint:
+    name: Lint (Prettier + ESLint)
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v5
+      - uses: oven-sh/setup-bun@v2
+      - run: bun install
+      - run: bun lint
diff --git a/eslint.config.js b/eslint.config.js
index b484983..d1dd2ab 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -25,6 +25,7 @@ export default defineConfig(
       // typescript-eslint strongly recommend that you do not use the no-undef lint rule on TypeScript projects.
       // see: https://typescript-eslint.io/troubleshooting/faqs/eslint/#i-get-errors-from-the-no-undef-rule-about-global-variables-not-being-defined-even-though-there-are-no-typescript-errors
       "no-undef": "off",
+      "no-useless-escape": "off",
     },
   },
   {
diff --git a/src/lib/icons/index.js b/src/lib/icons/index.ts
similarity index 100%
rename from src/lib/icons/index.js
rename to src/lib/icons/index.ts
diff --git a/tsconfig.json b/tsconfig.json
index e3898cb..4c9d070 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,8 +1,8 @@
 {
   "extends": "./.svelte-kit/tsconfig.json",
   "compilerOptions": {
-    "allowJs": true,
-    "checkJs": true,
+    "allowJs": false,
+    "checkJs": false,
     "esModuleInterop": true,
     "forceConsistentCasingInFileNames": true,
     "resolveJsonModule": true,