refactor: parse headers and params using Headers and URLSearchParams

src/adapter/alibaba-cloud-fc3/handler.test.ts

@@ -149,6 +149,48 @@ describe('createRequest', () => {
     const text = await request.text()
     expect(text).toEqual('Request Body')
   })
+
+  it('Should handle escaped paths in request URL correctly', () => {
+    const event: AlibabaCloudFC3Event = {
+      version: 'v1',
+      rawPath: '/my/path%E4%BD%A0%E5%A5%BD',
+      headers: {
+        Accept: '*/*',
+        'User-Agent': 'curl/7.81.0',
+      },
+      queryParameters: {
+        你好: '世界',
+      },
+      body: '',
+      isBase64Encoded: true,
+      requestContext: {
+        accountId: '1234567890123456',
+        domainName: 'hono-al-fc-test.us-east-1.fcapp.run',
+        domainPrefix: 'hono-al-fc-test',
+        requestId: '1-12345678-12345678-123456789012',
+        time: '2024-11-07T07:52:56Z',
+        timeEpoch: '1730965976961',
+        http: {
+          method: 'GET',
+          path: '/my/path你好',
+          protocol: 'HTTP/1.1',
+          sourceIp: '1.2.3.4',
+          userAgent: 'curl/7.81.0',
+        },
+      },
+    }
+
+    const request = createRequest(event)
+
+    expect(request.method).toEqual('GET')
+    const requestUrl = new URL(request.url)
+    expect(requestUrl.pathname).toEqual('/my/path%E4%BD%A0%E5%A5%BD')
+    expect(requestUrl.searchParams.get('你好')).toEqual('世界')
+    expect(Object.fromEntries(request.headers)).toEqual({
+      accept: '*/*',
+      'user-agent': 'curl/7.81.0',
+    })
+  })
 })
 
 describe('createResponse', () => {

src/adapter/alibaba-cloud-fc3/handler.ts

@@ -31,20 +31,11 @@ export const handle = <E extends Env = Env, S extends Schema = {}, BasePath exte
 }
 
 export const createRequest = (event: AlibabaCloudFC3Event): Request => {
-  const queryString = Object.entries(event.queryParameters || {})
-    .map(([key, value]) => `${key}=${value}`)
-    .join('&')
+  const url = new URL(`https://${event.requestContext.domainName}${event.rawPath}`)
 
-  const url = `https://${event.requestContext.domainName}${event.rawPath}${
-    queryString ? `?${queryString}` : ''
-  }`
-
-  const headers = new Headers()
-  if (event.headers) {
-    for (const [key, value] of Object.entries(event.headers)) {
-      headers.set(key, value)
-    }
-  }
+  const params = new URLSearchParams(event.queryParameters)
+  url.search = params.toString()
+  const headers = new Headers(event.headers)
 
   const method = event.requestContext.http.method
   const requestInit: RequestInit = {