diff --git a/.prettierignore b/.prettierignore
index c7390de..163bed0 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -1,3 +1,2 @@
 .gitea/
 .github/
-eslint.config.js
diff --git a/eslint.config.js b/eslint.config.js
index 0072245..54b01d0 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -1,11 +1,40 @@
 import js from '@eslint/js';
 import { defineConfig } from 'eslint/config';
 import pluginVue from 'eslint-plugin-vue';
+import tseslint from 'typescript-eslint';
+import vueParser from 'vue-eslint-parser';
 import globals from 'globals';
 
+const commonRules = {
+    'eqeqeq': 'error', // prettier-ignore
+
+    'prefer-const': 'error',
+    'no-var': 'error',
+    'no-duplicate-imports': 'error',
+    'no-import-assign': 'error',
+
+    'prefer-arrow-callback': 'error',
+    'require-await': 'warn',
+    'no-async-promise-executor': 'error',
+
+    'no-unreachable': 'error',
+    'no-constant-condition': 'error',
+
+    'no-debugger': 'error',
+    'no-alert': 'error',
+    'no-console': 'warn',
+
+    'no-new-object': 'error',
+    'no-array-constructor': 'error',
+    'no-prototype-builtins': 'error',
+    'object-shorthand': 'error',
+
+    'prefer-template': 'error',
+};
+
 export default defineConfig([
     {
-        files: ['**/*.{js,mjs,cjs,vue}'],
+        files: ['**/*.{js,mjs,cjs,ts,mts,cts,vue}'],
         plugins: { js },
         extends: ['js/recommended'],
         languageOptions: {
@@ -14,37 +43,51 @@ export default defineConfig([
                 ...globals.node,
             },
         },
-        rules: {
-            'eqeqeq': 'error',
+        rules: commonRules,
+    },
 
+    pluginVue.configs['flat/essential'],
+
+    {
+        files: ['**/*.{js,mjs,cjs}'],
+        rules: {
             'no-unused-vars': 'error',
             'no-undef': 'error',
-            'prefer-const': 'error',
-            'no-var': 'error',
-            'no-duplicate-imports': 'error',
-            'no-import-assign': 'error',
 
             'no-empty-function': 'error',
             'default-param-last': 'error',
-            'prefer-arrow-callback': 'error',
-            'require-await': 'warn',
-            'no-async-promise-executor': 'error',
-
-            'no-unreachable': 'error',
-
-            'no-constant-condition': 'error',
-
-            'no-debugger': 'error',
-            'no-alert': 'error',
-            'no-console': 'warn',
-
-            'no-new-object': 'error',
-            'no-array-constructor': 'error',
-            'no-prototype-builtins': 'error',
-            'object-shorthand': 'error',
-
-            'prefer-template': 'error',
         },
     },
-    pluginVue.configs['flat/essential'],
+
+    {
+        files: ['**/*.{ts,mts,cts,vue}'],
+        extends: [tseslint.configs.recommended],
+        languageOptions: {
+            globals: {
+                ...globals.browser,
+                ...globals.node,
+            },
+        },
+        rules: {
+            'no-undef': 'off',
+
+            '@typescript-eslint/no-unused-vars': 'error',
+            '@typescript-eslint/no-empty-function': 'error',
+            '@typescript-eslint/default-param-last': 'error',
+
+            '@typescript-eslint/consistent-type-imports': 'error',
+            '@typescript-eslint/no-explicit-any': 'warn',
+        },
+    },
+
+    {
+        files: ['**/*.vue'],
+        languageOptions: {
+            parser: vueParser,
+            parserOptions: {
+                parser: tseslint.parser,
+                extraFileExtensions: ['.vue'],
+            },
+        },
+    },
 ]);
diff --git a/package.json b/package.json
index fcf9ac9..237f7ab 100644
--- a/package.json
+++ b/package.json
@@ -5,8 +5,10 @@
     "type": "module",
     "scripts": {
         "dev": "vite",
-        "build": "vite build",
+        "build": "npm run type-check && vite build",
         "preview": "vite preview",
+        "type-check": "vue-tsc --noEmit -p tsconfig.app.json && tsc --noEmit -p tsconfig.node.json",
+        "type-check:watch": "vue-tsc --noEmit -p tsconfig.app.json --watch",
         "test": "vitest",
         "test:run": "vitest run",
         "lint": "eslint .",
diff --git a/tsconfig.app.json b/tsconfig.app.json
new file mode 100644
index 0000000..187f714
--- /dev/null
+++ b/tsconfig.app.json
@@ -0,0 +1,32 @@
+{
+    "compilerOptions": {
+        "target": "ES2020",
+        "lib": ["ES2020", "DOM", "DOM.Iterable"],
+        "module": "esnext",
+        "moduleResolution": "bundler",
+
+        "strict": true,
+        "noEmit": true,
+        "isolatedModules": true,
+        "verbatimModuleSyntax": true,
+        "noImplicitAny": true,
+
+        "allowJs": true,
+        "checkJs": false,
+
+        "resolveJsonModule": true,
+        "skipLibCheck": true,
+        "types": ["vite/client"],
+
+        "paths": {
+            "@/*": ["./src/*"]
+        },
+
+        "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
+
+        "useDefineForClassFields": true,
+        "jsx": "preserve",
+        "esModuleInterop": true
+    },
+    "include": ["src/**/*.ts", "src/**/*.js", "src/**/*.vue"]
+}
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..41ccf0f
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,11 @@
+{
+    "files": [],
+    "references": [
+        {
+            "path": "./tsconfig.app.json"
+        },
+        {
+            "path": "./tsconfig.node.json"
+        }
+    ]
+}
diff --git a/tsconfig.node.json b/tsconfig.node.json
new file mode 100644
index 0000000..3fb8912
--- /dev/null
+++ b/tsconfig.node.json
@@ -0,0 +1,31 @@
+{
+    "compilerOptions": {
+        "target": "es2020",
+        "lib": ["ES2020"],
+
+        "module": "esnext",
+        "moduleResolution": "bundler",
+
+        "strict": true,
+        "noEmit": true,
+        "isolatedModules": true,
+        "verbatimModuleSyntax": true,
+        "noImplicitAny": true,
+
+        "allowJs": true,
+        "checkJs": false,
+
+        "skipLibCheck": true,
+        "types": ["node"],
+
+        "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.node.tsbuildinfo"
+    },
+    "include": [
+        "vite.config.js",
+        "vite.config.ts",
+        "vitest.config.js",
+        "vitest.config.ts",
+        "eslint.config.js",
+        "eslint.config.ts"
+    ]
+}
diff --git a/vite.config.js b/vite.config.ts
similarity index 85%
rename from vite.config.js
rename to vite.config.ts
index 891f26f..e5e5790 100644
--- a/vite.config.js
+++ b/vite.config.ts
@@ -15,8 +15,8 @@ limitations under the License.
 */
 
 import vue from '@vitejs/plugin-vue';
-import path from 'path';
-import { defineConfig } from 'vite';
+import { fileURLToPath, URL } from 'node:url';
+import { defineConfig } from 'vitest/config';
 import { createHtmlPlugin } from 'vite-plugin-html';
 
 // https://vite.dev/config/
@@ -32,7 +32,7 @@ export default defineConfig({
     ],
     resolve: {
         alias: {
-            '@': path.resolve(__dirname, './src'),
+            '@': fileURLToPath(new URL('./src', import.meta.url)),
         },
     },
     test: {