diff --git a/lefthook.yml b/lefthook.yml
new file mode 100644
index 00000000..a2fa61c7
--- /dev/null
+++ b/lefthook.yml
@@ -0,0 +1,5 @@
+pre-commit:
+  commands:
+    format:
+      glob: "*.{js,ts,cjs,mjs,d.cts,d.mts,jsx,tsx,json,jsonc,svelte}"
+      run: pnpm format:check
\ No newline at end of file
diff --git a/package.json b/package.json
index 706d0959..263e43c0 100644
--- a/package.json
+++ b/package.json
@@ -2,9 +2,8 @@
 	"name": "monorepo",
 	"private": true,
 	"scripts": {
-		"format": "biome format . --write",
-		"lint": "biome lint . --write",
-		"check": "biome check . --write",
+		"format": "biome check . --write",
+		"format:check": "biome check .",
 		"build": "pnpm -r build",
 		"build:watch": "pnpm -r build:watch",
 		"test": "pnpm -r test",
@@ -12,7 +11,8 @@
 	},
 	"devDependencies": {
 		"@biomejs/biome": "^1.9.4",
-		"@changesets/cli": "^2.27.11"
+		"@changesets/cli": "^2.27.11",
+		"lefthook": "^1.10.1"
 	},
 	"packageManager": "pnpm@9.0.0"
 }
diff --git a/packages/floating-ui-svelte/src/index.ts b/packages/floating-ui-svelte/src/index.ts
index 8c5fc818..57236a0f 100644
--- a/packages/floating-ui-svelte/src/index.ts
+++ b/packages/floating-ui-svelte/src/index.ts
@@ -8,3 +8,5 @@ export * from "./hooks/use-hover.svelte.js";
 export * from "./hooks/use-id.js";
 export * from "./hooks/use-interactions.svelte.js";
 export * from "./hooks/use-role.svelte.js";
+
+type Test = any;
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 393346cf..ca60ebf6 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -14,6 +14,9 @@ importers:
       '@changesets/cli':
         specifier: ^2.27.11
         version: 2.27.11
+      lefthook:
+        specifier: ^1.10.1
+        version: 1.10.1
 
   packages/docs:
     dependencies:
@@ -1121,6 +1124,60 @@ packages:
     resolution: {integrity: sha512-o+NO+8WrRiQEE4/7nwRJhN1HWpVmJm511pBHUxPLtp0BUISzlBplORYSmTclCnJvQq2tKu/sgl3xVpkc7ZWuQQ==}
     engines: {node: '>=6'}
 
+  lefthook-darwin-arm64@1.10.1:
+    resolution: {integrity: sha512-dGi4Oiu2LSve8Xmz7vHWlUbnU5mk6HnhTbC1CnXqaFbb08yNYSYoJBwsalS+LoO4L6I/pqnv32ESCbdIzuhBiQ==}
+    cpu: [arm64]
+    os: [darwin]
+
+  lefthook-darwin-x64@1.10.1:
+    resolution: {integrity: sha512-NkEkBZm5jYH4fqbpJweDyJx/+/jWLst0FEHOCU5QZ8xFm+42hTGj4+6kfbjirU1ubvmRY/TeilYDsq1OIr5jZQ==}
+    cpu: [x64]
+    os: [darwin]
+
+  lefthook-freebsd-arm64@1.10.1:
+    resolution: {integrity: sha512-hX/c4p0+JoCrr55e8zfXC63ReW3Cg4WKzZKP6NA2uNDaKItHlQ4zR3CCOytdVnuPXOa6f93WB9lmRYtIp34dqw==}
+    cpu: [arm64]
+    os: [freebsd]
+
+  lefthook-freebsd-x64@1.10.1:
+    resolution: {integrity: sha512-0suh8/Mx56Rircc/hvr3vU/XKv0E/afD/LkF8lkOPm4besgq6k9HCkpdPgBykP8Q0ve/W3rOlXeBQ7c7oDhX8Q==}
+    cpu: [x64]
+    os: [freebsd]
+
+  lefthook-linux-arm64@1.10.1:
+    resolution: {integrity: sha512-zADf8CSkoV7EfpLsy5U22gq0+famMjUEfKy9nacS6zEgPvMxDk5Q/7QpnMWJeeiwkf9XWgQ+GATWuGahA3Id9A==}
+    cpu: [arm64]
+    os: [linux]
+
+  lefthook-linux-x64@1.10.1:
+    resolution: {integrity: sha512-wdPVMZAN6vi3/4rlhzaWjR5N3AZE5+dUd3lSzfP6mmfXVQtwnJ29HFUlje6TAnwZBSOBI8yoMsz38FrhPuayYg==}
+    cpu: [x64]
+    os: [linux]
+
+  lefthook-openbsd-arm64@1.10.1:
+    resolution: {integrity: sha512-PJ0fHvjcgapaWsn+4uhj3ZMRvkV0Ug+BOrRovF+SdXdA7DiBbRzFPTpUWrGoV3lw7uFjY6pJqGqakDqZ0J7J6g==}
+    cpu: [arm64]
+    os: [openbsd]
+
+  lefthook-openbsd-x64@1.10.1:
+    resolution: {integrity: sha512-Bs0hBWHW4s6Dp0qVG4LXv96Vo1NXsM/y6VrWten3pv2oEO18Yw9PmKd6vl4mGI7yA72wq4HNATBagFx460IIEw==}
+    cpu: [x64]
+    os: [openbsd]
+
+  lefthook-windows-arm64@1.10.1:
+    resolution: {integrity: sha512-xoBiiAChVSv1YYVkwkpfEoAbjNuRblrA0tI8GOtPBhkzlfBP3MaD5JfU2SPzID9IfAG/yV5dOlrLVKhacQA66A==}
+    cpu: [arm64]
+    os: [win32]
+
+  lefthook-windows-x64@1.10.1:
+    resolution: {integrity: sha512-+AwTHtBP8npL604Dd13rnEblWh6a9+sf0lSzoLy22y3jdae4kVENLmYoeZ6bz0Wf6SF18UCjf+byvspQRnnCHg==}
+    cpu: [x64]
+    os: [win32]
+
+  lefthook@1.10.1:
+    resolution: {integrity: sha512-WLwXd8FxAcZ0KJg0d/u1r2nY7F/i2XJlyxQSKJkFkbuzqggNU876ksHuNAluSbsZ4nNdI+tWbBUu1Th3SPvgcQ==}
+    hasBin: true
+
   lilconfig@3.1.3:
     resolution: {integrity: sha512-/vlFKAoH5Cgt3Ie+JLhRbwOsCQePABiU3tJ1egGvyQ+33R/vcwM2Zl2QR/LzjsBeItPt3oSVXapn+m4nQDvpzw==}
     engines: {node: '>=14'}
@@ -2817,6 +2874,49 @@ snapshots:
 
   kleur@4.1.5: {}
 
+  lefthook-darwin-arm64@1.10.1:
+    optional: true
+
+  lefthook-darwin-x64@1.10.1:
+    optional: true
+
+  lefthook-freebsd-arm64@1.10.1:
+    optional: true
+
+  lefthook-freebsd-x64@1.10.1:
+    optional: true
+
+  lefthook-linux-arm64@1.10.1:
+    optional: true
+
+  lefthook-linux-x64@1.10.1:
+    optional: true
+
+  lefthook-openbsd-arm64@1.10.1:
+    optional: true
+
+  lefthook-openbsd-x64@1.10.1:
+    optional: true
+
+  lefthook-windows-arm64@1.10.1:
+    optional: true
+
+  lefthook-windows-x64@1.10.1:
+    optional: true
+
+  lefthook@1.10.1:
+    optionalDependencies:
+      lefthook-darwin-arm64: 1.10.1
+      lefthook-darwin-x64: 1.10.1
+      lefthook-freebsd-arm64: 1.10.1
+      lefthook-freebsd-x64: 1.10.1
+      lefthook-linux-arm64: 1.10.1
+      lefthook-linux-x64: 1.10.1
+      lefthook-openbsd-arm64: 1.10.1
+      lefthook-openbsd-x64: 1.10.1
+      lefthook-windows-arm64: 1.10.1
+      lefthook-windows-x64: 1.10.1
+
   lilconfig@3.1.3: {}
 
   lines-and-columns@1.2.4: {}