allow URL object on c.redirect

src/context.test.ts

@@ -12,7 +12,7 @@ const makeResponseHeaderImmutable = (res: Response) => {
       },
       get(target, prop) {
         if (prop === 'set') {
-          return function () {
+          return function() {
             throw new TypeError('Cannot modify headers: Headers are immutable')
           }
         }
@@ -89,6 +89,12 @@ describe('Context', () => {
     expect(res.headers.get('Location')).toBe('https://example.com/destination')
   })
 
+  it('c.redirect() w/ URL', async () => {
+    const res = c.redirect(new URL('/destination', 'https://example.com'))
+    expect(res.status).toBe(302)
+    expect(res.headers.get('Location')).toBe('https://example.com/destination')
+  })
+
   it('c.header()', async () => {
     c.header('X-Foo', 'Bar')
     const res = c.body('Hi')
@@ -306,7 +312,7 @@ describe('event and executionCtx', () => {
     expect(() => c.executionCtx).not.toThrowError()
     c.executionCtx.passThroughOnException()
     expect(pathThroughOnException).toHaveBeenCalled()
-    const asyncFunc = async () => {}
+    const asyncFunc = async () => { }
     c.executionCtx.waitUntil(asyncFunc())
     expect(waitUntil).toHaveBeenCalled()
   })

src/context.ts

@@ -820,11 +820,11 @@ export class Context<
    * ```
    */
   redirect = <T extends RedirectStatusCode = 302>(
-    location: string,
+    location: string | URL,
     status?: T
   ): Response & TypedResponse<undefined, T, 'redirect'> => {
     this.#headers ??= new Headers()
-    this.#headers.set('Location', location)
+    this.#headers.set('Location', location.toString())
     return this.newResponse(null, status ?? 302) as any
   }