update

biome.json

@@ -1,5 +1,5 @@
 {
-  "$schema": "https://biomejs.dev/schemas/1.5.0/schema.json",
+  "$schema": "https://biomejs.dev/schemas/1.5.1/schema.json",
   "organizeImports": {
     "enabled": false
   },

package.json

@@ -24,6 +24,7 @@
     "@types/bun": "^1.0.1",
     "@types/node": "^20.10.8",
     "dotenv": "^16.3.1",
-    "tsx": "^4.7.0"
+    "tsx": "^4.7.0",
+    "typescript": "^5.3.3"
   }
 }

src/app.ts

@@ -6,30 +6,19 @@ import { timing } from "hono/timing"
 import { chatProxyHandler } from "./chat/complete/ChatProxyHandler.ts"
 import { Logger, gen_logger } from "./log.ts"
 
-export const app = new Hono({ strict: true })
-  .use(
-    "*",
-    cors({
-      origin: (it) => it,
-      allowMethods: ["POST", "GET", "OPTIONS"],
-    }),
-    timing(),
-    logger(),
-  )
-  .use("*", async (c: ContextWithLogger, next) => {
+const openAiRoute = new Hono<{ Variables: { log: Logger } }>()
+  .use("*", async (c, next) => {
     const logger = gen_logger(crypto.randomUUID())
     c.set("log", logger)
     await next()
-  })
-  .options("*", (c) => {
-    return c.text("", 204)
-  })
-  .get("/", (c: ContextWithLogger) => {
-    const log = c.get("log") as Logger
-    const text = `Hello Gemini-OpenAI-Proxy from ${getRuntimeKey()}!`
-    log.info(text)
-    return c.text(text)
+    c.set("log", undefined)
   })
   .post("/v1/chat/completions", chatProxyHandler)
 
+export const app = new Hono({ strict: true })
+  .use("*", cors(), timing(), logger())
+  .options("*", (c) => c.text("", 204))
+  .route("/", openAiRoute)
+  .get("/", (c) => c.text(`Hello Gemini-OpenAI-Proxy from ${getRuntimeKey()}!`))
+
 export type ContextWithLogger = Context<{ Variables: { log: Logger } }>

src/log.ts

@@ -1,25 +1,23 @@
-const LogLevel = {
-  error: 3,
-  warn: 4,
-  info: 5,
-  debug: 7,
-} as const
-type Any = Parameters<typeof console.log>[0]
-
-export type Logger = {
-  [K in keyof typeof LogLevel]: (msg: Any) => void
+enum LogLevel {
+  error = 3,
+  warn = 4,
+  info = 5,
+  debug = 7,
 }
+type Any = Parameters<typeof console.log>[0]
 
 const currentlevel = LogLevel.debug
 
-export function gen_logger(id: string): Logger {
+export function gen_logger(id: string) {
   return mapValues(LogLevel, (value, name) => {
     return (msg: Any) => {
       out_func(name, value, `${id} ${msg}`)
     }
   })
 }
 
+export type Logger = ReturnType<typeof gen_logger>
+
 function out_func(levelName: string, levelValue: number, msg: string) {
   if (levelValue > currentlevel) {
     return

tsconfig.json

@@ -6,5 +6,5 @@
     "useUnknownInCatchVariables": false,
     "module": "Node16",
     "moduleResolution": "Node16"
-  }
-}
+  },
+}