diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 23331fd..94a5178 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -22,5 +22,8 @@ jobs:
       - name: Install dependencies
         run: npm ci
 
+      - name: Check for warnings
+        run: npm run check
+
       - name: Build
         run: npm run build
diff --git a/package-lock.json b/package-lock.json
index 37eeb8a..7934ee1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,6 +10,8 @@
       "devDependencies": {
         "@sveltejs/vite-plugin-svelte": "^4.0.0",
         "svelte": "^5.0.0",
+        "svelte-check": "^4.0.0",
+        "typescript": "^5.0.0",
         "vite": "^5.4.0",
         "workbox-cli": "^7.3.0"
       }
@@ -5364,6 +5366,15 @@
         "node": ">=16 || 14 >=14.17"
       }
     },
+    "node_modules/mri": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/mri/-/mri-1.2.0.tgz",
+      "integrity": "sha512-tzzskb3bG8LvYGFF/mDTpq3jpI6Q9wc3LEmBaghu+DdCssd1FakN7Bc0hVNmEyGq1bq3RgfkCb3cmQLpNPOroA==",
+      "dev": true,
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/ms": {
       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
@@ -6116,6 +6127,18 @@
         "npm": ">=2.0.0"
       }
     },
+    "node_modules/sade": {
+      "version": "1.8.1",
+      "resolved": "https://registry.npmjs.org/sade/-/sade-1.8.1.tgz",
+      "integrity": "sha512-xal3CZX1Xlo/k4ApwCFrHVACi9fBqJ7V+mwhBsuf/1IOKbBy098Fex+Wa/5QMubw09pSZ/u8EY8PWgevJsXp1A==",
+      "dev": true,
+      "dependencies": {
+        "mri": "^1.1.0"
+      },
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/safe-array-concat": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/safe-array-concat/-/safe-array-concat-1.1.3.tgz",
@@ -6717,6 +6740,88 @@
         "node": ">=18"
       }
     },
+    "node_modules/svelte-check": {
+      "version": "4.3.5",
+      "resolved": "https://registry.npmjs.org/svelte-check/-/svelte-check-4.3.5.tgz",
+      "integrity": "sha512-e4VWZETyXaKGhpkxOXP+B/d0Fp/zKViZoJmneZWe/05Y2aqSKj3YN2nLfYPJBQ87WEiY4BQCQ9hWGu9mPT1a1Q==",
+      "dev": true,
+      "dependencies": {
+        "@jridgewell/trace-mapping": "^0.3.25",
+        "chokidar": "^4.0.1",
+        "fdir": "^6.2.0",
+        "picocolors": "^1.0.0",
+        "sade": "^1.7.4"
+      },
+      "bin": {
+        "svelte-check": "bin/svelte-check"
+      },
+      "engines": {
+        "node": ">= 18.0.0"
+      },
+      "peerDependencies": {
+        "svelte": "^4.0.0 || ^5.0.0-next.0",
+        "typescript": ">=5.0.0"
+      }
+    },
+    "node_modules/svelte-check/node_modules/chokidar": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-4.0.3.tgz",
+      "integrity": "sha512-Qgzu8kfBvo+cA4962jnP1KkS6Dop5NS6g7R5LFYJr4b8Ub94PPQXUksCw9PvXoeXPRRddRNC5C1JQUR2SMGtnA==",
+      "dev": true,
+      "dependencies": {
+        "readdirp": "^4.0.1"
+      },
+      "engines": {
+        "node": ">= 14.16.0"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
+    "node_modules/svelte-check/node_modules/fdir": {
+      "version": "6.5.0",
+      "resolved": "https://registry.npmjs.org/fdir/-/fdir-6.5.0.tgz",
+      "integrity": "sha512-tIbYtZbucOs0BRGqPJkshJUYdL+SDH7dVM8gjy+ERp3WAUjLEFJE+02kanyHtwjWOnwrKYBiwAmM0p4kLJAnXg==",
+      "dev": true,
+      "engines": {
+        "node": ">=12.0.0"
+      },
+      "peerDependencies": {
+        "picomatch": "^3 || ^4"
+      },
+      "peerDependenciesMeta": {
+        "picomatch": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/svelte-check/node_modules/picomatch": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.3.tgz",
+      "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
+      "dev": true,
+      "optional": true,
+      "peer": true,
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
+    "node_modules/svelte-check/node_modules/readdirp": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-4.1.2.tgz",
+      "integrity": "sha512-GDhwkLfywWL2s6vEjyhri+eXmfH6j1L7JE27WhqLeYzoh/A3DBaYGEj2H/HFZCn/kMfim73FXxEJTw06WtxQwg==",
+      "dev": true,
+      "engines": {
+        "node": ">= 14.18.0"
+      },
+      "funding": {
+        "type": "individual",
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
     "node_modules/temp-dir": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/temp-dir/-/temp-dir-2.0.0.tgz",
@@ -6914,6 +7019,19 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/typescript": {
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
+      "dev": true,
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    },
     "node_modules/unbox-primitive": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/unbox-primitive/-/unbox-primitive-1.1.0.tgz",
diff --git a/package.json b/package.json
index efd7530..105d9ce 100644
--- a/package.json
+++ b/package.json
@@ -5,11 +5,14 @@
   "scripts": {
     "dev": "vite",
     "build": "vite build && node scripts/workbox-inject.js",
+    "check": "svelte-check --fail-on-warnings",
     "preview": "vite preview"
   },
   "devDependencies": {
     "@sveltejs/vite-plugin-svelte": "^4.0.0",
     "svelte": "^5.0.0",
+    "svelte-check": "^4.0.0",
+    "typescript": "^5.0.0",
     "vite": "^5.4.0",
     "workbox-cli": "^7.3.0"
   }
diff --git a/src/lib/ImageButton.svelte b/src/lib/ImageButton.svelte
index 5066748..7b5e787 100644
--- a/src/lib/ImageButton.svelte
+++ b/src/lib/ImageButton.svelte
@@ -10,7 +10,6 @@
     let hovered = false;
 </script>
 
-<!-- svelte-ignore a11y_no_noninteractive_tabindex a11y_no_noninteractive_element_interactions -->
 <img
     class="control-img"
     {id}
diff --git a/vite.config.js b/vite.config.js
index ff99d60..52f248e 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -18,11 +18,6 @@ export default defineConfig({
       }
     },
     rollupOptions: {
-      onwarn(warning) {
-        if (process.env.CI) {
-          throw new Error(warning.message);
-        }
-      },
       output: {
         entryFileNames: 'app.js',
         chunkFileNames: '[name].js',