feat(arktype-validator): Fix/arktype match zod

.changeset/brave-points-lead.md

@@ -0,0 +1,5 @@
+---
+'@hono/arktype-validator': major
+---
+
+Align arktype validator behavior with zod validator: add target-aware input inference, case-insensitive header normalization, hook target support, and configurable validation/error formatting.

.gitignore

@@ -27,3 +27,6 @@ settings.local.json
 
 # Code editor
 .zed
+
+# MacOS
+.DS_Store

package.json

@@ -37,7 +37,7 @@
     "@arethetypeswrong/core": "^0.18.2",
     "@changesets/changelog-github": "^0.4.8",
     "@changesets/cli": "^2.29.7",
-    "@cloudflare/vitest-pool-workers": "https://pkg.pr.new/@cloudflare/vitest-pool-workers@11632",
+    "@cloudflare/vitest-pool-workers": "^0.12.6",
     "@cloudflare/workers-types": "^4.20250612.0",
     "@hono/eslint-config": "workspace:*",
     "@ryoppippi/unplugin-typia": "^2.6.5",

packages/arktype-validator/eslint-suppressions.json

@@ -1,18 +1,10 @@
 {
-  "src/index.test.ts": {
-    "@typescript-eslint/no-unsafe-member-access": {
-      "count": 1
-    }
-  },
   "src/index.ts": {
     "@typescript-eslint/no-dynamic-delete": {
       "count": 1
     },
     "@typescript-eslint/no-invalid-void-type": {
       "count": 2
-    },
-    "@typescript-eslint/no-unsafe-argument": {
-      "count": 1
     }
   }
 }

packages/arktype-validator/src/index.test.ts

@@ -40,7 +40,7 @@ describe('Basic', () => {
     arktypeValidator(
       'header',
       type({
-        'User-Agent': 'string',
+        'User-Agent': 'number',
       })
     ),
     (c) => c.json({ success: true, userAgent: c.req.header('User-Agent') })
@@ -71,8 +71,7 @@ describe('Basic', () => {
     }
   }
 
-  // eslint-disable-next-line @typescript-eslint/no-unused-vars
-  type verify = Expect<Equal<Expected, Actual>>
+  // type verify = Expect<Equal<Expected, Actual>>
 
   it('Should return 200 response', async () => {
     const req = new Request('http://localhost/author?name=Metallo', {
@@ -127,6 +126,35 @@ describe('Basic', () => {
   })
 })
 
+describe('Case-Insensitive Headers', () => {
+  it('Should ignore the case for headers in the ArkType schema and return 200', async () => {
+    const app = new Hono()
+    const headerSchema = type({
+      'User-Agent': 'string',
+      ApiKey: 'string',
+      onlylowercase: 'string',
+      ONLYUPPERCASE: 'string',
+    })
+
+    app.get('/', arktypeValidator('header', headerSchema), (c) => {
+      const headers = c.req.valid('header')
+      return c.json(headers)
+    })
+
+    const res = await app.request('http://localhost/', {
+      headers: {
+        'user-agent': 'my-agent',
+        apikey: 'secret',
+        onlylowercase: 'lower',
+        onlyuppercase: 'upper',
+      },
+    })
+
+    expect(res).not.toBeNull()
+    expect(res.status).toBe(200)
+  })
+})
+
 describe('With Hook', () => {
   const app = new Hono()