Migrate from grpc to @grpc/grpc-js

This change updates the generated reflection files to use @grpc/grpc-js.
This feature is enabled by the addition of grpc-tools and
[email protected].

In addition to the generated code, this change updates the client module
to use @grpc/grpc-js in place of the grpc package.

package.json

@@ -6,10 +6,10 @@
   "author": "[email protected]",
   "license": "MIT",
   "dependencies": {
+    "@grpc/grpc-js": "^1.1.7",
     "@types/google-protobuf": "^3.7.2",
     "@types/lodash.set": "^4.3.6",
     "google-protobuf": "^3.12.2",
-    "grpc": "^1.24.2",
     "lodash.set": "^4.3.2",
     "protobufjs": "^6.9.0"
   },
@@ -26,12 +26,12 @@
     "eslint-plugin-jest": "^23.11.0",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^3.1.3",
-    "grpc_tools_node_protoc_ts": "^4.0.0",
+    "grpc-tools": "^1.9.1",
+    "grpc_tools_node_protoc_ts": "^5.0.0",
     "gts": "^2.0.2",
     "mocha": "^7.2.0",
     "nyc": "^15.1.0",
     "prettier": "^2.0.5",
-    "protoc-gen-grpc": "^1.4.0",
     "sinon": "^9.0.2",
     "ts-node": "^8.10.2",
     "typescript": "^3.9.5"
@@ -46,9 +46,7 @@
     "prepare": "yarn run compile",
     "pretest": "yarn run compile && yarn run fix",
     "posttest": "yarn run check",
-    "protoc-pb": "protoc --plugin=protoc-gen-ts=./node_modules/.bin/protoc-gen-ts --js_out=import_style=commonjs,binary:./src --ts_out=./src -I ./static/grpc/reflection/v1alpha reflection.proto",
-    "protoc-grpc": "protoc-gen-grpc --js_out=import_style=commonjs,binary:./src --grpc_out=./src -I ./static/grpc/reflection/v1alpha reflection.proto",
-    "protoc": "yarn run protoc-pb && yarn run protoc-grpc",
+    "protoc": "grpc_tools_node_protoc --js_out=import_style=commonjs,binary:./src --grpc_out=grpc_js:./src --ts_out=grpc_js:./src --plugin=protoc-gen-ts=./node_modules/.bin/protoc-gen-ts -I ./static/grpc/reflection/v1alpha reflection.proto",
     "build": "yarn run compile && yarn run fix && yarn run check"
   },
   "files": [

src/client.ts

@@ -1,4 +1,4 @@
-import * as grpc from 'grpc';
+import {ChannelCredentials} from '@grpc/grpc-js';
 import {getDescriptorRoot} from './descriptor';
 import * as services from './reflection_grpc_pb';
 import {
@@ -9,11 +9,7 @@ import {Root} from 'protobufjs';
 
 export class Client {
   grpcClient: services.IServerReflectionClient;
-  constructor(
-    url: string,
-    credentials: grpc.ChannelCredentials,
-    options?: object
-  ) {
+  constructor(url: string, credentials: ChannelCredentials, options?: object) {
     this.grpcClient = new services.ServerReflectionClient(
       url,
       credentials,

src/reflection_grpc_pb.d.ts

@@ -4,15 +4,16 @@
 /* tslint:disable */
 /* eslint-disable */
 
-import * as grpc from "grpc";
+import * as grpc from "@grpc/grpc-js";
+import {handleClientStreamingCall} from "@grpc/grpc-js/build/src/server-call";
 import * as reflection_pb from "./reflection_pb";
 
 interface IServerReflectionService extends grpc.ServiceDefinition<grpc.UntypedServiceImplementation> {
     serverReflectionInfo: IServerReflectionService_IServerReflectionInfo;
 }
 
 interface IServerReflectionService_IServerReflectionInfo extends grpc.MethodDefinition<reflection_pb.ServerReflectionRequest, reflection_pb.ServerReflectionResponse> {
-    path: string; // "/grpc.reflection.v1alpha.ServerReflection/ServerReflectionInfo"
+    path: "/grpc.reflection.v1alpha.ServerReflection/ServerReflectionInfo";
     requestStream: true;
     responseStream: true;
     requestSerialize: grpc.serialize<reflection_pb.ServerReflectionRequest>;
@@ -34,7 +35,7 @@ export interface IServerReflectionClient {
 }
 
 export class ServerReflectionClient extends grpc.Client implements IServerReflectionClient {
-    constructor(address: string, credentials: grpc.ChannelCredentials, options?: object);
+    constructor(address: string, credentials: grpc.ChannelCredentials, options?: Partial<grpc.ClientOptions>);
     public serverReflectionInfo(options?: Partial<grpc.CallOptions>): grpc.ClientDuplexStream<reflection_pb.ServerReflectionRequest, reflection_pb.ServerReflectionResponse>;
     public serverReflectionInfo(metadata?: grpc.Metadata, options?: Partial<grpc.CallOptions>): grpc.ClientDuplexStream<reflection_pb.ServerReflectionRequest, reflection_pb.ServerReflectionResponse>;
 }

src/reflection_grpc_pb.js

@@ -18,7 +18,7 @@
 // Service exported by server reflection
 //
 'use strict';
-var grpc = require('grpc');
+var grpc = require('@grpc/grpc-js');
 var reflection_pb = require('./reflection_pb.js');
 
 function serialize_grpc_reflection_v1alpha_ServerReflectionRequest(arg) {
@@ -46,8 +46,8 @@ function deserialize_grpc_reflection_v1alpha_ServerReflectionResponse(buffer_arg
 
 var ServerReflectionService = exports.ServerReflectionService = {
   // The reflection service is structured as a bidirectional stream, ensuring
-  // all related requests go to a single server.
-  serverReflectionInfo: {
+// all related requests go to a single server.
+serverReflectionInfo: {
     path: '/grpc.reflection.v1alpha.ServerReflection/ServerReflectionInfo',
     requestStream: true,
     responseStream: true,