rename customFetch to fetch and address some documentation errors

Author: vhess

README.md

@@ -268,7 +268,7 @@ import { Agent } from "undici";
 // Create a proxy server with fetch and HTTP/2 support
 const proxy = createProxyServer({
   target: "https://127.0.0.1:5050",
-  fetch: {
+  fetchOptions: {
     requestOptions: {dispatcher: new Agent({ allowH2: true })},
     // Modify the request before it's sent
     onBeforeRequest: async (requestOptions, req, res, options) => {
@@ -472,7 +472,7 @@ const proxy = createProxyServer({
 // Shorthand to enable fetch with defaults
 const proxy = createProxyServer({
   target: "https://http2-server.example.com",
-  fetch: true  // Uses default fetch configuration
+  fetch  // Uses default fetch configuration
 });
 ```
 
@@ -482,7 +482,7 @@ const proxy = createProxyServer({
 const proxy = createProxyServer({
   target: "https://api.example.com",
   fetchOptions: {
-        requestOptions: {
+    requestOptions: {
       // Use undici's Agent for HTTP/2 support
       dispatcher: new Agent({
         allowH2: true,
@@ -524,13 +524,14 @@ const proxy = createProxyServer({
     key: readFileSync("server-key.pem"),
     cert: readFileSync("server-cert.pem")
   },
-  fetch: {
-    dispatcher: new Agent({ 
-      allowH2: true,
-      connect: { rejectUnauthorized: false }
-    })
+  fetchOptions: {
+    requestOptions: {
+      dispatcher: new Agent({ 
+        allowH2: true,
+        connect: { rejectUnauthorized: false }
+      })
+    }
   },
-  secure: false  // Skip SSL verification for self-signed certs
 }).listen(8443);
 ```
 
@@ -757,8 +758,8 @@ import { Agent } from "undici";
 
 const proxy = createProxyServer({
   target: "https://api.example.com",
-  fetch: {
-    dispatcher: new Agent({ allowH2: true }),
+  fetchOptions: {
+    requestOptions: {dispatcher: new Agent({ allowH2: true })},
     // Called before making the fetch request
     onBeforeRequest: async (requestOptions, req, res, options) => {
       // Modify the outgoing request

lib/http-proxy/index.ts

@@ -98,8 +98,8 @@ export interface ServerOptions {
    */
   ca?: string;
   /** Enable using fetch for proxy requests. Set to true for defaults, or provide custom configuration. */
-  fetchOptions?: boolean | FetchOptions;
-  customFetch?: typeof fetch;
+  fetchOptions?: FetchOptions;
+  fetch?: typeof fetch;
 }
 export interface FetchOptions {
   /** Fetch request options */

lib/http-proxy/passes/web-incoming.ts

@@ -86,7 +86,7 @@ export function stream(
   // And we begin!
   server.emit("start", req, res, options.target || options.forward!);
 
-  if (options.fetchOptions || process.env.FORCE_FETCH_PATH === "true") {
+  if (options.fetch ||options.fetchOptions || process.env.FORCE_FETCH_PATH === "true") {
     return stream2(req, res, options, _, server, cb);
   }
 

lib/test/http/customFetch.test.ts

@@ -48,8 +48,7 @@ describe("Basic example of proxying over HTTP2 to a target HTTP2 with custom Fet
       .createServer({
         target: `https://localhost:${ports.http2}`,
         ssl,
-        customFetch: customFetch,
-        fetchOptions: true,
+        fetch: customFetch,
       })
       .listen(ports.proxy);
   });