feat(nextjs): obsolete a 2nd arg of handle

src/nextjs.ts

@@ -1,11 +1,9 @@
-import { Hono } from 'hono'
+import type { Env, Hono } from 'hono'
 import { getRequestListener } from './listener'
-import { HandleInterface } from './types'
+import { NextApiHandler } from 'next/types'
 
-// <E extends Hono<any, any>
-export const handle: HandleInterface = <E extends Hono<any, any>>(
-  subApp: E,
-  path: string = '/'
-) => {
-  return getRequestListener(new Hono().route(path, subApp).fetch)
+export const handle = <E extends Env, S extends {}, BasePath extends string>(
+  app: Hono<E, S, BasePath>
+): NextApiHandler => {
+  return getRequestListener(app.fetch)
 }

src/types.ts

@@ -1,5 +1,3 @@
-import type { Hono } from 'hono'
-import type { NextApiHandler } from 'next/types'
 import type { createServer } from 'node:http'
 
 export type FetchCallback = (request: Request) => Promise<unknown> | unknown
@@ -15,7 +13,3 @@ export type Options = {
   serverOptions?: Object
   createServer?: typeof createServer
 }
-
-export interface HandleInterface {
-  <E extends Hono<any, any>>(subApp: E, path?: string): NextApiHandler
-}

test/nextjs.test.ts

@@ -6,7 +6,7 @@ import { installGlobals } from '../src/globals'
 installGlobals()
 
 describe('Basic', () => {
-  const app = new Hono()
+  const app = new Hono().basePath('/api')
   app.get('/', (c) => c.text('Hello! Node!'))
 
   app.get('/posts', (c) => {
@@ -19,7 +19,7 @@ describe('Basic', () => {
     return c.text(`DELETE ${c.req.param('id')}`)
   })
 
-  const server = handle(app, '/api')
+  const server = handle(app)
 
   it('Should return 200 response - GET /api', async () => {
     const res = await request(server).get('/api')
@@ -49,36 +49,38 @@ describe('Basic', () => {
 
 describe('Routing', () => {
   describe('Nested Route', () => {
-    const book = new Hono()
-    book.get('/', (c) => c.text('get /book'))
+    const book = new Hono().basePath('/api')
+    book.get('/', (c) => c.text('get /api'))
     book.get('/:id', (c) => {
-      return c.text('get /book/' + c.req.param('id'))
+      return c.text('get /api/' + c.req.param('id'))
     })
-    book.post('/', (c) => c.text('post /book'))
+    book.post('/', (c) => c.text('post /api'))
 
     const app = new Hono()
-    app.route('/book', book)
+    app.route('/v2', book)
 
-    const server = handle(app, '/api')
+    app.showRoutes()
 
-    it('Should return responses from `/api/book/*`', async () => {
-      let res = await request(server).get('/api/book')
+    const server = handle(app)
+
+    it('Should return responses from `/v2/api/*`', async () => {
+      let res = await request(server).get('/v2/api')
       expect(res.status).toBe(200)
-      expect(res.text).toBe(`get /book`)
+      expect(res.text).toBe(`get /api`)
 
-      res = await request(server).get('/api/book/123')
+      res = await request(server).get('/v2/api/123')
       expect(res.status).toBe(200)
-      expect(res.text).toBe(`get /book/123`)
+      expect(res.text).toBe(`get /api/123`)
 
-      res = await request(server).post('/api/book')
+      res = await request(server).post('/v2/api')
       expect(res.status).toBe(200)
-      expect(res.text).toBe(`post /book`)
+      expect(res.text).toBe(`post /api`)
     })
   })
 })
 
 describe('Request body', () => {
-  const app = new Hono()
+  const app = new Hono().basePath('/api')
   app.post('/json', async (c) => {
     const data = await c.req.json()
     return c.json(data)
@@ -87,7 +89,7 @@ describe('Request body', () => {
     const data = await c.req.parseBody()
     return c.json(data)
   })
-  const server = handle(app, '/api')
+  const server = handle(app)
 
   it('Should handle JSON body', async () => {
     const res = await request(server)
@@ -107,14 +109,14 @@ describe('Request body', () => {
 })
 
 describe('Response body', () => {
-  const app = new Hono()
+  const app = new Hono().basePath('/api')
   app.get('/json', (c) => {
     return c.json({ foo: 'bar' })
   })
   app.get('/html', (c) => {
     return c.html('<h1>Hello!</h1>')
   })
-  const server = handle(app, '/api')
+  const server = handle(app)
 
   it('Should return JSON body', async () => {
     const res = await request(server).get('/api/json')