fix: avoid experimental warning of http2 (#14)

lib/client/index.js

@@ -6,5 +6,17 @@ exports.RpcConsumer = require('./consumer');
 exports.RpcConnection = require('./connection/rpc');
 exports.RpcConnectionMgr = require('./connection_mgr');
 exports.DynamicConfig = require('./dynamic_config');
-exports.GRpcClient = require('./grpc_client');
-exports.GRpcConnection = require('./connection/grpc');
+
+// avoid stderr "ExperimentalWarning: The http2 module is an experimental API."
+Object.defineProperty(exports, 'GRpcClient', {
+  get() {
+    return require('./grpc_client');
+  },
+  enumerable: true,
+});
+Object.defineProperty(exports, 'GRpcConnection', {
+  get() {
+    return require('./connection/grpc');
+  },
+  enumerable: true,
+});

lib/server/index.js

@@ -4,4 +4,11 @@ exports.RpcServer = require('./server');
 exports.RpcService = require('./service');
 exports.RpcResponse = require('./response');
 exports.RpcConnection = require('./connection');
-exports.GRpcServer = require('./grpc/server');
+
+// avoid stderr "ExperimentalWarning: The http2 module is an experimental API."
+Object.defineProperty(exports, 'GRpcServer', {
+  get() {
+    return require('./grpc/server');
+  },
+  enumerable: true,
+});

package.json

@@ -36,7 +36,7 @@
     "await-first": "^1.0.0",
     "byte": "^2.0.0",
     "cluster-client": "^2.1.1",
-    "debug": "^4.0.1",
+    "debug": "^4.1.0",
     "easy-table": "^1.1.1",
     "graceful": "^1.0.1",
     "is-type-of": "^1.2.1",

test/client/index.test.js

@@ -0,0 +1,14 @@
+'use strict';
+
+const path = require('path');
+const coffee = require('coffee');
+
+describe('test/client/index.test.js', () => {
+  it('should not have stderr', done => {
+    coffee.fork(path.join(__dirname, 'require.js'), [])
+      .expect('stdout', 'hello world\n')
+      .expect('stderr', '')
+      .expect('code', 0)
+      .end(done);
+  });
+});

test/client/require.js

@@ -0,0 +1,5 @@
+'use strict';
+
+require('../..');
+
+console.log('hello world');