grpc-js: Add support for grpc.enable_http_proxy channel option

PACKAGE-COMPARISON.md

@@ -43,5 +43,6 @@ In addition, all channel arguments defined in [this header file](https://github.
  - `grpc.use_local_subchannel_pool`
  - `grpc.max_send_message_length`
  - `grpc.max_receive_message_length`
+ - `grpc.enable_http_proxy`
  - `channelOverride`
  - `channelFactoryOverride`

packages/grpc-js/src/channel-options.ts

@@ -32,6 +32,7 @@ export interface ChannelOptions {
   'grpc.use_local_subchannel_pool'?: number;
   'grpc.max_send_message_length'?: number;
   'grpc.max_receive_message_length'?: number;
+  'grpc.enable_http_proxy'?: number;
   [key: string]: string | number | undefined;
 }
 
@@ -53,6 +54,7 @@ export const recognizedOptions = {
   'grpc.use_local_subchannel_pool': true,
   'grpc.max_send_message_length': true,
   'grpc.max_receive_message_length': true,
+  'grpc.enable_http_proxy': true,
 };
 
 export function channelOptionsEqual(

packages/grpc-js/src/http_proxy.ts

@@ -125,6 +125,9 @@ export function mapProxyName(
     target: target,
     extraOptions: {},
   };
+  if ((options['grpc.enable_http_proxy'] ?? 1) === 0) {
+    return noProxyResult;
+  }
   const proxyInfo = getProxyInfo();
   if (!proxyInfo.address) {
     return noProxyResult;