refactor: 迁移 Bun fullstack 架构

src/server/helpers.ts

@@ -1,10 +1,6 @@
 import type { ApiErrorResponse, CheckFailure, CheckResult, HealthResponse, RuntimeMode } from "../shared/api";
 import type { StoredCheckResult } from "./checker/types";
 
-export function allowsGetHead(method: string): boolean {
-  return method === "GET" || method === "HEAD";
-}
-
 export function createApiError(error: string, status: number): ApiErrorResponse {
   return { error, status };
 }
@@ -36,15 +32,14 @@ export function formatDuration(ms: number): string {
 
 export function jsonResponse(
   body: unknown,
-  options: { headers?: HeadersInit; method?: string; mode: RuntimeMode; status?: number },
+  options: { headers?: HeadersInit; mode: RuntimeMode; status?: number },
 ): Response {
   const headers = createHeaders(options.mode, {
     "Content-Type": "application/json; charset=utf-8",
     ...options.headers,
   });
-  const responseBody = options.method === "HEAD" ? null : JSON.stringify(body);
 
-  return new Response(responseBody, {
+  return new Response(JSON.stringify(body), {
     headers,
     status: options.status,
   });
@@ -69,11 +64,3 @@ export function mapCheckResult(row: StoredCheckResult): CheckResult {
     timestamp: row.timestamp,
   };
 }
-
-export function methodNotAllowedResponse(allow: string[], mode: RuntimeMode): Response {
-  return jsonResponse(createApiError("Method not allowed", 405), {
-    headers: { Allow: allow.join(", ") },
-    mode,
-    status: 405,
-  });
-}