Merge pull request #15239 from murgatroid99/node_example_proto_loader

Update Node examples to use new @grpc/proto-loader package

examples/node/dynamic_codegen/greeter_client.js

@@ -19,7 +19,16 @@
 var PROTO_PATH = __dirname + '/../../protos/helloworld.proto';
 
 var grpc = require('grpc');
-var hello_proto = grpc.load(PROTO_PATH).helloworld;
+var protoLoader = require('@grpc/proto-loader');
+var packageDefinition = protoLoader.loadSync(
+    PROTO_PATH,
+    {keepCase: true,
+     longs: String,
+     enums: String,
+     defaults: true,
+     oneofs: true
+    });
+var hello_proto = grpc.loadPackageDefinition(packageDefinition).helloworld;
 
 function main() {
   var client = new hello_proto.Greeter('localhost:50051',

examples/node/dynamic_codegen/greeter_server.js

@@ -19,7 +19,16 @@
 var PROTO_PATH = __dirname + '/../../protos/helloworld.proto';
 
 var grpc = require('grpc');
-var hello_proto = grpc.load(PROTO_PATH).helloworld;
+var protoLoader = require('@grpc/proto-loader');
+var packageDefinition = protoLoader.loadSync(
+    PROTO_PATH,
+    {keepCase: true,
+     longs: String,
+     enums: String,
+     defaults: true,
+     oneofs: true
+    });
+var hello_proto = grpc.loadPackageDefinition(packageDefinition).helloworld;
 
 /**
  * Implements the SayHello RPC method.

examples/node/dynamic_codegen/route_guide/route_guide_client.js

@@ -24,7 +24,16 @@ var parseArgs = require('minimist');
 var path = require('path');
 var _ = require('lodash');
 var grpc = require('grpc');
-var routeguide = grpc.load(PROTO_PATH).routeguide;
+var protoLoader = require('@grpc/proto-loader');
+var packageDefinition = protoLoader.loadSync(
+    PROTO_PATH,
+    {keepCase: true,
+     longs: String,
+     enums: String,
+     defaults: true,
+     oneofs: true
+    });
+var routeguide = grpc.loadPackageDefinition(packageDefinition).routeguide;
 var client = new routeguide.RouteGuide('localhost:50051',
                                        grpc.credentials.createInsecure());
 

examples/node/dynamic_codegen/route_guide/route_guide_server.js

@@ -23,7 +23,16 @@ var parseArgs = require('minimist');
 var path = require('path');
 var _ = require('lodash');
 var grpc = require('grpc');
-var routeguide = grpc.load(PROTO_PATH).routeguide;
+var protoLoader = require('@grpc/proto-loader');
+var packageDefinition = protoLoader.loadSync(
+    PROTO_PATH,
+    {keepCase: true,
+     longs: String,
+     enums: String,
+     defaults: true,
+     oneofs: true
+    });
+var routeguide = grpc.loadPackageDefinition(packageDefinition).routeguide;
 
 var COORD_FACTOR = 1e7;
 

examples/node/package.json

@@ -2,9 +2,10 @@
   "name": "grpc-examples",
   "version": "0.1.0",
   "dependencies": {
+    "@grpc/proto-loader": "^0.1.0",
     "async": "^1.5.2",
     "google-protobuf": "^3.0.0",
-    "grpc": "^1.0.0",
+    "grpc": "^1.11.0",
     "lodash": "^4.6.1",
     "minimist": "^1.2.0"
   }