From 6da890e36365241dcec9c21e6a349e92c60cebf8 Mon Sep 17 00:00:00 2001
From: Hk-Gosuto <yominogosuto@gmail.com>
Date: Fri, 15 Sep 2023 00:01:01 +0800
Subject: [PATCH] =?UTF-8?q?revert:=20=E7=A7=BB=E9=99=A4ddg=E9=85=8D?=
 =?UTF-8?q?=E7=BD=AE=E4=BB=A3=E7=90=86=E7=9A=84=E5=8A=9F=E8=83=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/api/langchain-tools/duckduckgo_search.ts | 15 ---------------
 app/api/langchain/tool/agent/route.ts        |  2 +-
 2 files changed, 1 insertion(+), 16 deletions(-)

diff --git a/app/api/langchain-tools/duckduckgo_search.ts b/app/api/langchain-tools/duckduckgo_search.ts
index 95e4eaf11..58437d97e 100644
--- a/app/api/langchain-tools/duckduckgo_search.ts
+++ b/app/api/langchain-tools/duckduckgo_search.ts
@@ -1,9 +1,6 @@
 import { decode } from "html-entities";
 import { convert as htmlToText } from "html-to-text";
 import { Tool } from "langchain/tools";
-import fetch from "node-fetch";
-
-const DDG_PROXY_URL = process.env.DDG_PROXY_URL;
 
 const SEARCH_REGEX =
   /DDG\.pageLayout\.load\('d',(\[.+\])\);DDG\.duckbar\.load\('images'/;
@@ -326,15 +323,9 @@ async function search(
           // cdrexp: 'b'
         }),
   };
-  let proxyAgent;
-  if (DDG_PROXY_URL) {
-    const { HttpsProxyAgent } = require("https-proxy-agent");
-    proxyAgent = new HttpsProxyAgent(DDG_PROXY_URL);
-  }
 
   const response = await fetch(
     `https://links.duckduckgo.com/d.js?${queryString(queryObject)}`,
-    { agent: proxyAgent },
   );
   const data = await response.text();
 
@@ -464,14 +455,8 @@ function queryString(query: Record<string, string>) {
 
 async function getVQD(query: string, ia = "web") {
   try {
-    let proxyAgent;
-    if (DDG_PROXY_URL) {
-      const { HttpsProxyAgent } = require("https-proxy-agent");
-      proxyAgent = new HttpsProxyAgent(DDG_PROXY_URL);
-    }
     const response = await fetch(
       `https://duckduckgo.com/?${queryString({ q: query, ia })}`,
-      { agent: proxyAgent },
     );
     const data = await response.text();
     return VQD_REGEX.exec(data)![1];
diff --git a/app/api/langchain/tool/agent/route.ts b/app/api/langchain/tool/agent/route.ts
index 5e8f9a665..0e638ff55 100644
--- a/app/api/langchain/tool/agent/route.ts
+++ b/app/api/langchain/tool/agent/route.ts
@@ -291,4 +291,4 @@ async function handle(req: NextRequest) {
 export const GET = handle;
 export const POST = handle;
 
-export const runtime = process.env.DDG_PROXY_URL ? "nodejs" : "edge";
+export const runtime = "edge";