diff --git a/package.json b/package.json
index 696691f..81038e8 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "license": "MIT",
   "scripts": {
     "serve": "vite",
-    "build": "vite build",
+    "build": "vue-tsc && vite build",
     "lint": "eslint src",
     "format": "prettier --write '{src/**/*,*}.{js,ts,vue,json}'"
   },
@@ -34,6 +34,7 @@
     "prettier-plugin-tailwindcss": "^0.5.7",
     "tailwindcss": "^3.3.5",
     "typescript": "5.3.2",
-    "vite": "^5.0.10"
+    "vite": "^5.0.10",
+    "vue-tsc": "^1.8.26"
   }
 }
diff --git a/src/components/Languages.vue b/src/components/Languages.vue
index 17aa44f..52ce09d 100644
--- a/src/components/Languages.vue
+++ b/src/components/Languages.vue
@@ -23,14 +23,15 @@ export default defineComponent({
 
     const selectedValue = ref(i18n.locale.value);
 
-    const updateValue = (value: { target: HTMLSelectElement }) => {
+    const updateValue = (event: Event) => {
       const basePath = (() => {
         if (route.params.lang) {
           return route.path.slice(route.params.lang.length + 1);
         }
         return route.path;
       })();
-      const newPath = `/${value.target.value}${basePath}`;
+      const target = event.target as HTMLSelectElement;
+      const newPath = `/${target.value}${basePath}`;
       if (newPath !== route.path) {
         router.push(newPath);
       }
diff --git a/src/router/index.ts b/src/router/index.ts
index 1bcc84b..dded79a 100644
--- a/src/router/index.ts
+++ b/src/router/index.ts
@@ -52,7 +52,7 @@ const routes: Array<RouteRecordRaw> = [
 ];
 
 const router = createRouter({
-  history: createWebHistory(import.meta.BASE_URL),
+  history: createWebHistory(import.meta.env.BASE_URL),
   routes,
 });
 
diff --git a/src/shims-vue.d.ts b/src/shims-vue.d.ts
index 3804a43..7cdd2de 100644
--- a/src/shims-vue.d.ts
+++ b/src/shims-vue.d.ts
@@ -4,3 +4,9 @@ declare module '*.vue' {
   const component: DefineComponent<{}, {}, any>
   export default component
 }
+declare module '@vue/runtime-core' {
+  export interface ComponentCustomProperties {
+    localizedUrl: (path: string) => string;
+  }
+}
+export {}  // important! see note.
diff --git a/tsconfig.json b/tsconfig.json
index 92e1dbf..c5ea566 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -9,9 +9,10 @@
     "skipLibCheck": true,
     "esModuleInterop": true,
     "allowSyntheticDefaultImports": true,
+    "noEmit": true,
     "sourceMap": true,
+    "types": ["vite/client"],
     "baseUrl": ".",
-    "types": ["webpack-env"],
     "paths": {
       "@/*": ["src/*"]
     },
diff --git a/yarn.lock b/yarn.lock
index d70883d..3235af9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -941,6 +941,28 @@
   resolved "https://registry.yarnpkg.com/@vitejs/plugin-vue/-/plugin-vue-4.5.2.tgz#1212d81bc83680e14448fefe55abd9fe1ed49ed1"
   integrity sha512-UGR3DlzLi/SaVBPX0cnSyE37vqxU3O6chn8l0HJNzQzDia6/Au2A4xKv+iIJW8w2daf80G7TYHhi1pAUjdZ0bQ==
 
+"@volar/language-core@1.11.1", "@volar/language-core@~1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@volar/language-core/-/language-core-1.11.1.tgz#ecdf12ea8dc35fb8549e517991abcbf449a5ad4f"
+  integrity sha512-dOcNn3i9GgZAcJt43wuaEykSluAuOkQgzni1cuxLxTV0nJKanQztp7FxyswdRILaKH+P2XZMPRp2S4MV/pElCw==
+  dependencies:
+    "@volar/source-map" "1.11.1"
+
+"@volar/source-map@1.11.1", "@volar/source-map@~1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@volar/source-map/-/source-map-1.11.1.tgz#535b0328d9e2b7a91dff846cab4058e191f4452f"
+  integrity sha512-hJnOnwZ4+WT5iupLRnuzbULZ42L7BWWPMmruzwtLhJfpDVoZLjNBxHDi2sY2bgZXCKlpU5XcsMFoYrsQmPhfZg==
+  dependencies:
+    muggle-string "^0.3.1"
+
+"@volar/typescript@~1.11.1":
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/@volar/typescript/-/typescript-1.11.1.tgz#ba86c6f326d88e249c7f5cfe4b765be3946fd627"
+  integrity sha512-iU+t2mas/4lYierSnoFOeRFQUhAEMgsFuQxoxvwn5EdQopw43j+J27a4lt9LMInx1gLJBC6qL14WYGlgymaSMQ==
+  dependencies:
+    "@volar/language-core" "1.11.1"
+    path-browserify "^1.0.1"
+
 "@vue/compiler-core@3.3.13":
   version "3.3.13"
   resolved "https://registry.yarnpkg.com/@vue/compiler-core/-/compiler-core-3.3.13.tgz#b3d5f8f84caee5de3f31d95cb568d899fd19c599"
@@ -951,7 +973,7 @@
     estree-walker "^2.0.2"
     source-map-js "^1.0.2"
 
-"@vue/compiler-dom@3.3.13":
+"@vue/compiler-dom@3.3.13", "@vue/compiler-dom@^3.3.0":
   version "3.3.13"
   resolved "https://registry.yarnpkg.com/@vue/compiler-dom/-/compiler-dom-3.3.13.tgz#d029e222e545e7ab00be35aafd3abed167f962bf"
   integrity sha512-EYRDpbLadGtNL0Gph+HoKiYqXLqZ0xSSpR5Dvnu/Ep7ggaCbjRDIus1MMxTS2Qm0koXED4xSlvTZaTnI8cYAsw==
@@ -997,6 +1019,21 @@
     "@typescript-eslint/parser" "^6.7.0"
     vue-eslint-parser "^9.3.1"
 
+"@vue/language-core@1.8.26":
+  version "1.8.26"
+  resolved "https://registry.yarnpkg.com/@vue/language-core/-/language-core-1.8.26.tgz#7edb6b51a6ed57b618928500c3cbda9757a9f5f0"
+  integrity sha512-9cmza/Y2YTiOnKZ0Mi9zsNn7Irw+aKirP+5LLWVSNaL3fjKJjW1cD3HGBckasY2RuVh4YycvdA9/Q6EBpVd/7Q==
+  dependencies:
+    "@volar/language-core" "~1.11.1"
+    "@volar/source-map" "~1.11.1"
+    "@vue/compiler-dom" "^3.3.0"
+    "@vue/shared" "^3.3.0"
+    computeds "^0.0.1"
+    minimatch "^9.0.3"
+    muggle-string "^0.3.1"
+    path-browserify "^1.0.1"
+    vue-template-compiler "^2.7.14"
+
 "@vue/reactivity-transform@3.3.13":
   version "3.3.13"
   resolved "https://registry.yarnpkg.com/@vue/reactivity-transform/-/reactivity-transform-3.3.13.tgz#dc8e9be961865dc666e367e1aaaea0716afa5c90"
@@ -1040,7 +1077,7 @@
     "@vue/compiler-ssr" "3.3.13"
     "@vue/shared" "3.3.13"
 
-"@vue/shared@3.3.13":
+"@vue/shared@3.3.13", "@vue/shared@^3.3.0":
   version "3.3.13"
   resolved "https://registry.yarnpkg.com/@vue/shared/-/shared-3.3.13.tgz#4cb73cda958d77ffd389c8640cf7d93a10ac676f"
   integrity sha512-/zYUwiHD8j7gKx2argXEMCUXVST6q/21DFU0sTfNX0URJroCe3b1UF6vLJ3lQDfLNIiiRl2ONp7Nh5UVWS6QnA==
@@ -1248,6 +1285,11 @@ commander@^4.0.0:
   resolved "https://registry.yarnpkg.com/commander/-/commander-4.1.1.tgz#9fd602bd936294e9e9ef46a3f4d6964044b18068"
   integrity sha512-NOKm8xhkzAjzFx8B2v5OAHT+u5pRQc2UCa2Vq9jYL/31o2wi9mxBA7LIFs3sV5VSC49z6pEhfbMULvShKj26WA==
 
+computeds@^0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/computeds/-/computeds-0.0.1.tgz#215b08a4ba3e08a11ff6eee5d6d8d7166a97ce2e"
+  integrity sha512-7CEBgcMjVmitjYo5q8JTJVra6X5mQ20uTThdK+0kR7UEaDrAWEQcRiBtWJzga4eRpP6afNwwLsX2SET2JhVB1Q==
+
 concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
@@ -1277,6 +1319,11 @@ csstype@^3.1.3:
   resolved "https://registry.yarnpkg.com/csstype/-/csstype-3.1.3.tgz#d80ff294d114fb0e6ac500fbf85b60137d7eff81"
   integrity sha512-M1uQkMl8rQK/szD0LNhtqxIPLpimGm8sOBwU7lLnCpSbTyY3yeU1Vc7l4KT5zT4s/yOxHH5O7tIuuLOCnLADRw==
 
+de-indent@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/de-indent/-/de-indent-1.0.2.tgz#b2038e846dc33baa5796128d0804b455b8c1e21d"
+  integrity sha512-e/1zu3xH5MQryN2zdVaF0OrdNLUbvWxzMbi+iNA6Bky7l1RoP8a2fIbRocyHclXt/arDrrR6lL3TqFD9pMQTsg==
+
 debug@^4.1.1, debug@^4.3.2, debug@^4.3.4:
   version "4.3.4"
   resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.4.tgz#1319f6579357f2338d3337d2cdd4914bb5dcc865"
@@ -1709,6 +1756,11 @@ hasown@^2.0.0:
   dependencies:
     function-bind "^1.1.2"
 
+he@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
+  integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==
+
 hookable@^5.5.3:
   version "5.5.3"
   resolved "https://registry.yarnpkg.com/hookable/-/hookable-5.5.3.tgz#6cfc358984a1ef991e2518cb9ed4a778bbd3215d"
@@ -1938,7 +1990,7 @@ minimatch@^3.0.5, minimatch@^3.1.1, minimatch@^3.1.2:
   dependencies:
     brace-expansion "^1.1.7"
 
-minimatch@^9.0.1:
+minimatch@^9.0.1, minimatch@^9.0.3:
   version "9.0.3"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-9.0.3.tgz#a6e00c3de44c3a542bfaae70abfc22420a6da825"
   integrity sha512-RHiac9mvaRw0x3AYRgDC1CxAP7HTcNrrECeA8YYJeWnpo+2Q5CegtZjaotWTWxDG3UeGA1coE05iH1mPjT/2mg==
@@ -1955,6 +2007,11 @@ ms@2.1.2:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
   integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
 
+muggle-string@^0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/muggle-string/-/muggle-string-0.3.1.tgz#e524312eb1728c63dd0b2ac49e3282e6ed85963a"
+  integrity sha512-ckmWDJjphvd/FvZawgygcUeQCxzvohjFO5RxTjj4eq8kw359gFF3E1brjfI+viLMxss5JrHTDRHZvu2/tuy0Qg==
+
 mz@^2.7.0:
   version "2.7.0"
   resolved "https://registry.yarnpkg.com/mz/-/mz-2.7.0.tgz#95008057a56cafadc2bc63dde7f9ff6955948e32"
@@ -2046,6 +2103,11 @@ parent-module@^1.0.0:
   dependencies:
     callsites "^3.0.0"
 
+path-browserify@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-browserify/-/path-browserify-1.0.1.tgz#d98454a9c3753d5790860f16f68867b9e46be1fd"
+  integrity sha512-b7uo2UCUOYZcnF/3ID0lulOJi/bafxa1xPe7ZPsammBSpjSWQkjNxlt635YGS2MiR9GjvuXCtz2emr3jbsz98g==
+
 path-exists@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-4.0.0.tgz#513bdbe2d3b95d7762e8c1137efa195c6c61b5b3"
@@ -2536,6 +2598,23 @@ vue-router@^4.2.5:
   dependencies:
     "@vue/devtools-api" "^6.5.0"
 
+vue-template-compiler@^2.7.14:
+  version "2.7.15"
+  resolved "https://registry.yarnpkg.com/vue-template-compiler/-/vue-template-compiler-2.7.15.tgz#ec88ba8ceafe0f17a528b89c57e01e02da92b0de"
+  integrity sha512-yQxjxMptBL7UAog00O8sANud99C6wJF+7kgbcwqkvA38vCGF7HWE66w0ZFnS/kX5gSoJr/PQ4/oS3Ne2pW37Og==
+  dependencies:
+    de-indent "^1.0.2"
+    he "^1.2.0"
+
+vue-tsc@^1.8.26:
+  version "1.8.26"
+  resolved "https://registry.yarnpkg.com/vue-tsc/-/vue-tsc-1.8.26.tgz#f66abd1dab4e4593590b2b7d4ede0a696882feec"
+  integrity sha512-jMEJ4aqU/l1hdgmeExH5h1TFoN+hbho0A2ZAhHy53/947DGm7Qj/bpB85VpECOCwV00h7JYNVnvoD2ceOorB4Q==
+  dependencies:
+    "@volar/typescript" "~1.11.1"
+    "@vue/language-core" "1.8.26"
+    semver "^7.5.4"
+
 vue@^3.3.8:
   version "3.3.13"
   resolved "https://registry.yarnpkg.com/vue/-/vue-3.3.13.tgz#f03098fa1b4e7cc88c133bef92260b55e3767002"