Add evaluate

packages/disposable/src/index.ts

@@ -0,0 +1 @@
+export * from "./disposable";

packages/events/src/events.ts

@@ -0,0 +1,60 @@
+import { IDisposable } from "@coder/disposable";
+
+export interface Event<T> {
+	(listener: (e: T) => void): IDisposable;
+}
+
+/**
+ * Emitter typecasts for a single event type
+ */
+export class Emitter<T> {
+
+	private listeners: Array<(e: T) => void> | undefined;
+
+	public constructor() {
+		this.listeners = [];
+	}
+
+	public get event(): Event<T> {
+		return (cb: (e: T) => void): IDisposable => {
+			if (this.listeners) {
+				this.listeners.push(cb);
+			}
+
+			return {
+				dispose: (): void => {
+					if (this.listeners) {
+						const i = this.listeners.indexOf(cb);
+						if (i !== -1) {
+							this.listeners.splice(i, 1);
+						}
+					}
+				},
+			};
+		};
+	}
+
+	/**
+	 * Emit a value
+	 */
+	public emit(value: T): void {
+		if (this.listeners) {
+			this.listeners.forEach((t) => t(value));
+		}
+	}
+
+	/**
+	 * Disposes the event emitter
+	 */
+	public dispose(): void {
+		this.listeners = undefined;
+	}
+
+	/**
+	 * Whether the event has listeners.
+	 */
+	public get hasListeners(): boolean {
+		return !!this.listeners && this.listeners.length > 0;
+	}
+
+}

packages/events/src/index.ts

@@ -0,0 +1 @@
+export * from "./events";

packages/package.json

@@ -27,8 +27,8 @@
     ],
     "moduleNameMapper": {
       "^.+\\.(s?css|png|svg)$": "<rootDir>/scripts/src/dummy.js",
-      "@coder/(.*)/testing": "<rootDir>/packages/$1/testing",
-      "@coder/(.*)": "<rootDir>/packages/$1/src"
+      "@coder/(.*)/testing": "<rootDir>/$1/testing",
+      "@coder/(.*)": "<rootDir>/$1/src"
     },
     "transform": {
       "^.+\\.tsx?$": "ts-jest"

packages/server/package.json

@@ -0,0 +1,12 @@
+{
+    "name": "server",
+    "dependencies": {
+        "express": "^4.16.4",
+        "ws": "^6.1.2"
+    },
+    "devDependencies": {
+        "@types/express": "^4.16.0",
+        "@types/ws": "^6.0.1",
+        "ts-protoc-gen": "^0.8.0"
+    }
+}

packages/server/scripts/generate_proto.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+protoc --plugin="protoc-gen-ts=./node_modules/.bin/protoc-gen-ts" --js_out="import_style=commonjs,binary:./src/proto" --ts_out="./src/proto" ./src/proto/*.proto --proto_path="./src/proto"

packages/server/src/browser/client.ts

@@ -0,0 +1,105 @@
+import { ReadWriteConnection } from "../common/connection";
+import { NewEvalMessage, ServerMessage, EvalDoneMessage, EvalFailedMessage, TypedValue, ClientMessage } from "../proto";
+import { Emitter } from "@coder/events";
+import { logger, field } from "@coder/logger";
+
+
+export class Client {
+
+	private evalId: number = 0;
+	private evalDoneEmitter: Emitter<EvalDoneMessage> = new Emitter();
+	private evalFailedEmitter: Emitter<EvalFailedMessage> = new Emitter();
+
+	public constructor(
+		private readonly connection: ReadWriteConnection,
+	) {
+		connection.onMessage((data) => {
+			try {
+				this.handleMessage(ServerMessage.deserializeBinary(data));
+			} catch (ex) {
+				logger.error("Failed to handle server message", field("length", data.byteLength), field("exception", ex));
+			}
+		});
+	}
+
+	public evaluate<R>(func: () => R): Promise<R>;
+	public evaluate<R, T1>(func: (a1: T1) => R, a1: T1): Promise<R>;
+	public evaluate<R, T1, T2>(func: (a1: T1, a2: T2) => R, a1: T1, a2: T2): Promise<R>;
+	public evaluate<R, T1, T2, T3>(func: (a1: T1, a2: T2, a3: T3) => R, a1: T1, a2: T2, a3: T3): Promise<R>;
+	public evaluate<R, T1, T2, T3, T4>(func: (a1: T1, a2: T2, a3: T3, a4: T4) => R, a1: T1, a2: T2, a3: T3, a4: T4): Promise<R>;
+	public evaluate<R, T1, T2, T3, T4, T5>(func: (a1: T1, a2: T2, a3: T3, a4: T4, a5: T5) => R, a1: T1, a2: T2, a3: T3, a4: T4, a5: T5): Promise<R>;
+	public evaluate<R, T1, T2, T3, T4, T5, T6>(func: (a1: T1, a2: T2, a3: T3, a4: T4, a5: T5, a6: T6) => R, a1: T1, a2: T2, a3: T3, a4: T4, a5: T5, a6: T6): Promise<R>;
+	public evaluate<R, T1, T2, T3, T4, T5, T6>(func: (a1?: T1, a2?: T2, a3?: T3, a4?: T4, a5?: T5, a6?: T6) => R, a1?: T1, a2?: T2, a3?: T3, a4?: T4, a5?: T5, a6?: T6): Promise<R> {
+		const newEval = new NewEvalMessage();
+		const id = this.evalId++;
+		newEval.setId(id);
+		newEval.setArgsList([a1, a2, a3, a4, a5, a6].filter(a => a).map(a => JSON.stringify(a)));
+		newEval.setFunction(func.toString());
+
+		const clientMsg = new ClientMessage();
+		clientMsg.setNewEval(newEval);
+		this.connection.send(clientMsg.serializeBinary());
+
+		let res: (value?: R) => void;
+		let rej: (err?: any) => void;
+		const prom = new Promise<R>((r, e) => {
+			res = r;
+			rej = e;
+		});
+
+		const d1 = this.evalDoneEmitter.event((doneMsg) => {
+			if (doneMsg.getId() === id) {
+				d1.dispose();
+				d2.dispose();
+
+				const resp = doneMsg.getResponse();
+				if (!resp) {
+					res();
+
+					return;
+				}
+
+				const rt = resp.getType();
+				let val: any;
+				switch (rt) {
+					case TypedValue.Type.BOOLEAN:
+						val = resp.getValue() === "true";
+						break;
+					case TypedValue.Type.NUMBER:
+						val = parseInt(resp.getValue(), 10);
+						break;
+					case TypedValue.Type.OBJECT:
+						val = JSON.parse(resp.getValue());
+						break;
+					case TypedValue.Type.STRING:
+						val = resp.getValue();
+						break;
+					default:
+						throw new Error(`unsupported typed value ${rt}`);
+				}
+
+				res(val);
+			}
+		});
+
+		const d2 = this.evalFailedEmitter.event((failedMsg) => {
+			if (failedMsg.getId() === id) {
+				d1.dispose();
+				d2.dispose();
+				
+				rej(failedMsg.getMessage());
+			}
+		});
+		
+		return prom;
+	}
+	
+	private handleMessage(message: ServerMessage): void {
+		if (message.hasEvalDone()) {
+			this.evalDoneEmitter.emit(message.getEvalDone()!);
+		} else if (message.hasEvalFailed()) {
+			this.evalFailedEmitter.emit(message.getEvalFailed()!);
+		}
+	}
+
+}

packages/server/src/common/connection.ts

@@ -0,0 +1,9 @@
+export interface SendableConnection {
+	send(data: Buffer | Uint8Array): void;
+}
+
+export interface ReadWriteConnection extends SendableConnection {
+	onMessage(cb: (data: Uint8Array | Buffer) => void): void;
+	onClose(cb: () => void): void;
+	close(): void;
+}

packages/server/src/node/evaluate.ts

@@ -0,0 +1,65 @@
+import * as vm from "vm";
+import { NewEvalMessage, TypedValue, EvalFailedMessage, EvalDoneMessage, ServerMessage } from "../proto";
+import { SendableConnection } from "../common/connection";
+
+export const evaluate = async (connection: SendableConnection, message: NewEvalMessage): Promise<void> => {
+    const argStr: string[] = [];
+    message.getArgsList().forEach((value) => {
+        argStr.push(value);
+    });
+    const sendResp = (resp: any): void => {
+        const evalDone = new EvalDoneMessage();
+        evalDone.setId(message.getId());
+        const tof = typeof resp;
+        if (tof !== "undefined") {
+            const tv = new TypedValue();
+            let t: TypedValue.Type;
+            switch (tof) {
+                case "string":
+                    t = TypedValue.Type.STRING;
+                    break;
+                case "boolean":
+                    t = TypedValue.Type.BOOLEAN;
+                    break;
+                case "object":
+                    t = TypedValue.Type.OBJECT;
+                    break;
+                case "number":
+                    t = TypedValue.Type.NUMBER;
+                    break;
+                default:
+                    sendErr(EvalFailedMessage.Reason.EXCEPTION, `unsupported response type ${tof}`);
+                    return;
+            }
+            tv.setValue(tof === "string" ? resp : JSON.stringify(resp));
+            tv.setType(t);
+            evalDone.setResponse(tv);
+        }
+
+        const serverMsg = new ServerMessage();
+        serverMsg.setEvalDone(evalDone);
+        connection.send(serverMsg.serializeBinary());
+    };
+    const sendErr = (reason: EvalFailedMessage.Reason, msg: string): void => {
+        const evalFailed = new EvalFailedMessage();
+        evalFailed.setId(message.getId());
+        evalFailed.setReason(reason);
+        evalFailed.setMessage(msg);
+
+        const serverMsg = new ServerMessage();
+        serverMsg.setEvalFailed(evalFailed);
+        connection.send(serverMsg.serializeBinary());
+    };
+    try {
+        const value = vm.runInNewContext(`(${message.getFunction()})(${argStr.join(",")})`, { require }, {
+            timeout: message.getTimeout() || 30000,
+        });
+        let responder: any = value;
+        if (value instanceof Promise) {
+            responder = await value;
+        }
+        sendResp(responder);
+    } catch (ex) {
+        sendErr(EvalFailedMessage.Reason.EXCEPTION, ex.toString());
+    }
+};

packages/server/src/node/server.ts

@@ -0,0 +1,26 @@
+import { logger, field } from "@coder/logger";
+import { ClientMessage } from "../proto";
+import { evaluate } from "./evaluate";
+import { ReadWriteConnection } from "../common/connection";
+
+export class Server {
+
+	public constructor(
+		private readonly connection: ReadWriteConnection,
+	) {
+		connection.onMessage((data) => {
+			try {
+				this.handleMessage(ClientMessage.deserializeBinary(data));
+			} catch (ex) {
+				logger.error("Failed to handle client message", field("length", data.byteLength), field("exception", ex));
+			}
+		});
+	}
+
+	private handleMessage(message: ClientMessage): void {
+		if (message.hasNewEval()) {
+			evaluate(this.connection, message.getNewEval()!);
+		}
+	}
+
+}

packages/server/src/proto/client.proto

@@ -0,0 +1,31 @@
+syntax = "proto3";
+import "command.proto";
+import "node.proto";
+
+message ClientMessage {
+    oneof msg {
+        // command.proto
+        NewSessionMessage new_session = 1;
+        ShutdownSessionMessage shutdown_session = 2;
+        WriteToSessionMessage write_to_session = 3;
+        CloseSessionInputMessage close_session_input = 4;
+        ResizeSessionTTYMessage resize_session_tty = 5;
+    
+        // node.proto
+        NewEvalMessage new_eval = 6;
+
+    }
+}
+
+message ServerMessage {
+    oneof msg {
+        // command.proto
+        NewSessionFailureMessage new_session_failure = 1;
+        SessionDoneMessage session_done = 2;
+        SessionOutputMessage session_output = 3;
+    
+        // node.proto
+        EvalFailedMessage eval_failed = 4;
+        EvalDoneMessage eval_done = 5;
+    }
+}

packages/server/src/proto/client_pb.d.ts

@@ -0,0 +1,126 @@
+// package: 
+// file: client.proto
+
+import * as jspb from "google-protobuf";
+import * as command_pb from "./command_pb";
+import * as node_pb from "./node_pb";
+
+export class ClientMessage extends jspb.Message {
+  hasNewSession(): boolean;
+  clearNewSession(): void;
+  getNewSession(): command_pb.NewSessionMessage | undefined;
+  setNewSession(value?: command_pb.NewSessionMessage): void;
+
+  hasShutdownSession(): boolean;
+  clearShutdownSession(): void;
+  getShutdownSession(): command_pb.ShutdownSessionMessage | undefined;
+  setShutdownSession(value?: command_pb.ShutdownSessionMessage): void;
+
+  hasWriteToSession(): boolean;
+  clearWriteToSession(): void;
+  getWriteToSession(): command_pb.WriteToSessionMessage | undefined;
+  setWriteToSession(value?: command_pb.WriteToSessionMessage): void;
+
+  hasCloseSessionInput(): boolean;
+  clearCloseSessionInput(): void;
+  getCloseSessionInput(): command_pb.CloseSessionInputMessage | undefined;
+  setCloseSessionInput(value?: command_pb.CloseSessionInputMessage): void;
+
+  hasResizeSessionTty(): boolean;
+  clearResizeSessionTty(): void;
+  getResizeSessionTty(): command_pb.ResizeSessionTTYMessage | undefined;
+  setResizeSessionTty(value?: command_pb.ResizeSessionTTYMessage): void;
+
+  hasNewEval(): boolean;
+  clearNewEval(): void;
+  getNewEval(): node_pb.NewEvalMessage | undefined;
+  setNewEval(value?: node_pb.NewEvalMessage): void;
+
+  getMsgCase(): ClientMessage.MsgCase;
+  serializeBinary(): Uint8Array;
+  toObject(includeInstance?: boolean): ClientMessage.AsObject;
+  static toObject(includeInstance: boolean, msg: ClientMessage): ClientMessage.AsObject;
+  static extensions: {[key: number]: jspb.ExtensionFieldInfo<jspb.Message>};
+  static extensionsBinary: {[key: number]: jspb.ExtensionFieldBinaryInfo<jspb.Message>};
+  static serializeBinaryToWriter(message: ClientMessage, writer: jspb.BinaryWriter): void;
+  static deserializeBinary(bytes: Uint8Array): ClientMessage;
+  static deserializeBinaryFromReader(message: ClientMessage, reader: jspb.BinaryReader): ClientMessage;
+}
+
+export namespace ClientMessage {
+  export type AsObject = {
+    newSession?: command_pb.NewSessionMessage.AsObject,
+    shutdownSession?: command_pb.ShutdownSessionMessage.AsObject,
+    writeToSession?: command_pb.WriteToSessionMessage.AsObject,
+    closeSessionInput?: command_pb.CloseSessionInputMessage.AsObject,
+    resizeSessionTty?: command_pb.ResizeSessionTTYMessage.AsObject,
+    newEval?: node_pb.NewEvalMessage.AsObject,
+  }
+
+  export enum MsgCase {
+    MSG_NOT_SET = 0,
+    NEW_SESSION = 1,
+    SHUTDOWN_SESSION = 2,
+    WRITE_TO_SESSION = 3,
+    CLOSE_SESSION_INPUT = 4,
+    RESIZE_SESSION_TTY = 5,
+    NEW_EVAL = 6,
+  }
+}
+
+export class ServerMessage extends jspb.Message {
+  hasNewSessionFailure(): boolean;
+  clearNewSessionFailure(): void;
+  getNewSessionFailure(): command_pb.NewSessionFailureMessage | undefined;
+  setNewSessionFailure(value?: command_pb.NewSessionFailureMessage): void;
+
+  hasSessionDone(): boolean;
+  clearSessionDone(): void;
+  getSessionDone(): command_pb.SessionDoneMessage | undefined;
+  setSessionDone(value?: command_pb.SessionDoneMessage): void;
+
+  hasSessionOutput(): boolean;
+  clearSessionOutput(): void;
+  getSessionOutput(): command_pb.SessionOutputMessage | undefined;
+  setSessionOutput(value?: command_pb.SessionOutputMessage): void;
+
+  hasEvalFailed(): boolean;
+  clearEvalFailed(): void;
+  getEvalFailed(): node_pb.EvalFailedMessage | undefined;
+  setEvalFailed(value?: node_pb.EvalFailedMessage): void;
+
+  hasEvalDone(): boolean;
+  clearEvalDone(): void;
+  getEvalDone(): node_pb.EvalDoneMessage | undefined;
+  setEvalDone(value?: node_pb.EvalDoneMessage): void;
+
+  getMsgCase(): ServerMessage.MsgCase;
+  serializeBinary(): Uint8Array;
+  toObject(includeInstance?: boolean): ServerMessage.AsObject;
+  static toObject(includeInstance: boolean, msg: ServerMessage): ServerMessage.AsObject;
+  static extensions: {[key: number]: jspb.ExtensionFieldInfo<jspb.Message>};
+  static extensionsBinary: {[key: number]: jspb.ExtensionFieldBinaryInfo<jspb.Message>};
+  static serializeBinaryToWriter(message: ServerMessage, writer: jspb.BinaryWriter): void;
+  static deserializeBinary(bytes: Uint8Array): ServerMessage;
+  static deserializeBinaryFromReader(message: ServerMessage, reader: jspb.BinaryReader): ServerMessage;
+}
+
+export namespace ServerMessage {
+  export type AsObject = {
+    newSessionFailure?: command_pb.NewSessionFailureMessage.AsObject,
+    sessionDone?: command_pb.SessionDoneMessage.AsObject,
+    sessionOutput?: command_pb.SessionOutputMessage.AsObject,
+    evalFailed?: node_pb.EvalFailedMessage.AsObject,
+    evalDone?: node_pb.EvalDoneMessage.AsObject,
+  }
+
+  export enum MsgCase {
+    MSG_NOT_SET = 0,
+    NEW_SESSION_FAILURE = 1,
+    SESSION_DONE = 2,
+    SESSION_OUTPUT = 3,
+    EVAL_FAILED = 4,
+    EVAL_DONE = 5,
+  }
+}
+

packages/server/src/proto/client_pb.js

@@ -0,0 +1,823 @@
+/**
+ * @fileoverview
+ * @enhanceable
+ * @public
+ */
+// GENERATED CODE -- DO NOT EDIT!
+
+var jspb = require('google-protobuf');
+var goog = jspb;
+var global = Function('return this')();
+
+var command_pb = require('./command_pb.js');
+var node_pb = require('./node_pb.js');
+goog.exportSymbol('proto.ClientMessage', null, global);
+goog.exportSymbol('proto.ServerMessage', null, global);
+
+/**
+ * Generated by JsPbCodeGenerator.
+ * @param {Array=} opt_data Optional initial data array, typically from a
+ * server response, or constructed directly in Javascript. The array is used
+ * in place and becomes part of the constructed object. It is not cloned.
+ * If no data is provided, the constructed object will be empty, but still
+ * valid.
+ * @extends {jspb.Message}
+ * @constructor
+ */
+proto.ClientMessage = function(opt_data) {
+  jspb.Message.initialize(this, opt_data, 0, -1, null, proto.ClientMessage.oneofGroups_);
+};
+goog.inherits(proto.ClientMessage, jspb.Message);
+if (goog.DEBUG && !COMPILED) {
+  proto.ClientMessage.displayName = 'proto.ClientMessage';
+}
+/**
+ * Oneof group definitions for this message. Each group defines the field
+ * numbers belonging to that group. When of these fields' value is set, all
+ * other fields in the group are cleared. During deserialization, if multiple
+ * fields are encountered for a group, only the last value seen will be kept.
+ * @private {!Array<!Array<number>>}
+ * @const
+ */
+proto.ClientMessage.oneofGroups_ = [[1,2,3,4,5,6]];
+
+/**
+ * @enum {number}
+ */
+proto.ClientMessage.MsgCase = {
+  MSG_NOT_SET: 0,
+  NEW_SESSION: 1,
+  SHUTDOWN_SESSION: 2,
+  WRITE_TO_SESSION: 3,
+  CLOSE_SESSION_INPUT: 4,
+  RESIZE_SESSION_TTY: 5,
+  NEW_EVAL: 6
+};
+
+/**
+ * @return {proto.ClientMessage.MsgCase}
+ */
+proto.ClientMessage.prototype.getMsgCase = function() {
+  return /** @type {proto.ClientMessage.MsgCase} */(jspb.Message.computeOneofCase(this, proto.ClientMessage.oneofGroups_[0]));
+};
+
+
+
+if (jspb.Message.GENERATE_TO_OBJECT) {
+/**
+ * Creates an object representation of this proto suitable for use in Soy templates.
+ * Field names that are reserved in JavaScript and will be renamed to pb_name.
+ * To access a reserved field use, foo.pb_<name>, eg, foo.pb_default.
+ * For the list of reserved names please see:
+ *     com.google.apps.jspb.JsClassTemplate.JS_RESERVED_WORDS.
+ * @param {boolean=} opt_includeInstance Whether to include the JSPB instance
+ *     for transitional soy proto support: http://goto/soy-param-migration
+ * @return {!Object}
+ */
+proto.ClientMessage.prototype.toObject = function(opt_includeInstance) {
+  return proto.ClientMessage.toObject(opt_includeInstance, this);
+};
+
+
+/**
+ * Static version of the {@see toObject} method.
+ * @param {boolean|undefined} includeInstance Whether to include the JSPB
+ *     instance for transitional soy proto support:
+ *     http://goto/soy-param-migration
+ * @param {!proto.ClientMessage} msg The msg instance to transform.
+ * @return {!Object}
+ */
+proto.ClientMessage.toObject = function(includeInstance, msg) {
+  var f, obj = {
+    newSession: (f = msg.getNewSession()) && command_pb.NewSessionMessage.toObject(includeInstance, f),
+    shutdownSession: (f = msg.getShutdownSession()) && command_pb.ShutdownSessionMessage.toObject(includeInstance, f),
+    writeToSession: (f = msg.getWriteToSession()) && command_pb.WriteToSessionMessage.toObject(includeInstance, f),
+    closeSessionInput: (f = msg.getCloseSessionInput()) && command_pb.CloseSessionInputMessage.toObject(includeInstance, f),
+    resizeSessionTty: (f = msg.getResizeSessionTty()) && command_pb.ResizeSessionTTYMessage.toObject(includeInstance, f),
+    newEval: (f = msg.getNewEval()) && node_pb.NewEvalMessage.toObject(includeInstance, f)
+  };
+
+  if (includeInstance) {
+    obj.$jspbMessageInstance = msg;
+  }
+  return obj;
+};
+}
+
+
+/**
+ * Deserializes binary data (in protobuf wire format).
+ * @param {jspb.ByteSource} bytes The bytes to deserialize.
+ * @return {!proto.ClientMessage}
+ */
+proto.ClientMessage.deserializeBinary = function(bytes) {
+  var reader = new jspb.BinaryReader(bytes);
+  var msg = new proto.ClientMessage;
+  return proto.ClientMessage.deserializeBinaryFromReader(msg, reader);
+};
+
+
+/**
+ * Deserializes binary data (in protobuf wire format) from the
+ * given reader into the given message object.
+ * @param {!proto.ClientMessage} msg The message object to deserialize into.
+ * @param {!jspb.BinaryReader} reader The BinaryReader to use.
+ * @return {!proto.ClientMessage}
+ */
+proto.ClientMessage.deserializeBinaryFromReader = function(msg, reader) {
+  while (reader.nextField()) {
+    if (reader.isEndGroup()) {
+      break;
+    }
+    var field = reader.getFieldNumber();
+    switch (field) {
+    case 1:
+      var value = new command_pb.NewSessionMessage;
+      reader.readMessage(value,command_pb.NewSessionMessage.deserializeBinaryFromReader);
+      msg.setNewSession(value);
+      break;
+    case 2:
+      var value = new command_pb.ShutdownSessionMessage;
+      reader.readMessage(value,command_pb.ShutdownSessionMessage.deserializeBinaryFromReader);
+      msg.setShutdownSession(value);
+      break;
+    case 3:
+      var value = new command_pb.WriteToSessionMessage;
+      reader.readMessage(value,command_pb.WriteToSessionMessage.deserializeBinaryFromReader);
+      msg.setWriteToSession(value);
+      break;
+    case 4:
+      var value = new command_pb.CloseSessionInputMessage;
+      reader.readMessage(value,command_pb.CloseSessionInputMessage.deserializeBinaryFromReader);
+      msg.setCloseSessionInput(value);
+      break;
+    case 5:
+      var value = new command_pb.ResizeSessionTTYMessage;
+      reader.readMessage(value,command_pb.ResizeSessionTTYMessage.deserializeBinaryFromReader);
+      msg.setResizeSessionTty(value);
+      break;
+    case 6:
+      var value = new node_pb.NewEvalMessage;
+      reader.readMessage(value,node_pb.NewEvalMessage.deserializeBinaryFromReader);
+      msg.setNewEval(value);
+      break;
+    default:
+      reader.skipField();
+      break;
+    }
+  }
+  return msg;
+};
+
+
+/**
+ * Class method variant: serializes the given message to binary data
+ * (in protobuf wire format), writing to the given BinaryWriter.
+ * @param {!proto.ClientMessage} message
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.ClientMessage.serializeBinaryToWriter = function(message, writer) {
+  message.serializeBinaryToWriter(writer);
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format).
+ * @return {!Uint8Array}
+ */
+proto.ClientMessage.prototype.serializeBinary = function() {
+  var writer = new jspb.BinaryWriter();
+  this.serializeBinaryToWriter(writer);
+  return writer.getResultBuffer();
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format),
+ * writing to the given BinaryWriter.
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.ClientMessage.prototype.serializeBinaryToWriter = function (writer) {
+  var f = undefined;
+  f = this.getNewSession();
+  if (f != null) {
+    writer.writeMessage(
+      1,
+      f,
+      command_pb.NewSessionMessage.serializeBinaryToWriter
+    );
+  }
+  f = this.getShutdownSession();
+  if (f != null) {
+    writer.writeMessage(
+      2,
+      f,
+      command_pb.ShutdownSessionMessage.serializeBinaryToWriter
+    );
+  }
+  f = this.getWriteToSession();
+  if (f != null) {
+    writer.writeMessage(
+      3,
+      f,
+      command_pb.WriteToSessionMessage.serializeBinaryToWriter
+    );
+  }
+  f = this.getCloseSessionInput();
+  if (f != null) {
+    writer.writeMessage(
+      4,
+      f,
+      command_pb.CloseSessionInputMessage.serializeBinaryToWriter
+    );
+  }
+  f = this.getResizeSessionTty();
+  if (f != null) {
+    writer.writeMessage(
+      5,
+      f,
+      command_pb.ResizeSessionTTYMessage.serializeBinaryToWriter
+    );
+  }
+  f = this.getNewEval();
+  if (f != null) {
+    writer.writeMessage(
+      6,
+      f,
+      node_pb.NewEvalMessage.serializeBinaryToWriter
+    );
+  }
+};
+
+
+/**
+ * Creates a deep clone of this proto. No data is shared with the original.
+ * @return {!proto.ClientMessage} The clone.
+ */
+proto.ClientMessage.prototype.cloneMessage = function() {
+  return /** @type {!proto.ClientMessage} */ (jspb.Message.cloneMessage(this));
+};
+
+
+/**
+ * optional NewSessionMessage new_session = 1;
+ * @return {proto.NewSessionMessage}
+ */
+proto.ClientMessage.prototype.getNewSession = function() {
+  return /** @type{proto.NewSessionMessage} */ (
+    jspb.Message.getWrapperField(this, command_pb.NewSessionMessage, 1));
+};
+
+
+/** @param {proto.NewSessionMessage|undefined} value  */
+proto.ClientMessage.prototype.setNewSession = function(value) {
+  jspb.Message.setOneofWrapperField(this, 1, proto.ClientMessage.oneofGroups_[0], value);
+};
+
+
+proto.ClientMessage.prototype.clearNewSession = function() {
+  this.setNewSession(undefined);
+};
+
+
+/**
+ * Returns whether this field is set.
+ * @return{!boolean}
+ */
+proto.ClientMessage.prototype.hasNewSession = function() {
+  return jspb.Message.getField(this, 1) != null;
+};
+
+
+/**
+ * optional ShutdownSessionMessage shutdown_session = 2;
+ * @return {proto.ShutdownSessionMessage}
+ */
+proto.ClientMessage.prototype.getShutdownSession = function() {
+  return /** @type{proto.ShutdownSessionMessage} */ (
+    jspb.Message.getWrapperField(this, command_pb.ShutdownSessionMessage, 2));
+};
+
+
+/** @param {proto.ShutdownSessionMessage|undefined} value  */
+proto.ClientMessage.prototype.setShutdownSession = function(value) {
+  jspb.Message.setOneofWrapperField(this, 2, proto.ClientMessage.oneofGroups_[0], value);
+};
+
+
+proto.ClientMessage.prototype.clearShutdownSession = function() {
+  this.setShutdownSession(undefined);
+};
+
+
+/**
+ * Returns whether this field is set.
+ * @return{!boolean}
+ */
+proto.ClientMessage.prototype.hasShutdownSession = function() {
+  return jspb.Message.getField(this, 2) != null;
+};
+
+
+/**
+ * optional WriteToSessionMessage write_to_session = 3;
+ * @return {proto.WriteToSessionMessage}
+ */
+proto.ClientMessage.prototype.getWriteToSession = function() {
+  return /** @type{proto.WriteToSessionMessage} */ (
+    jspb.Message.getWrapperField(this, command_pb.WriteToSessionMessage, 3));
+};
+
+
+/** @param {proto.WriteToSessionMessage|undefined} value  */
+proto.ClientMessage.prototype.setWriteToSession = function(value) {
+  jspb.Message.setOneofWrapperField(this, 3, proto.ClientMessage.oneofGroups_[0], value);
+};
+
+
+proto.ClientMessage.prototype.clearWriteToSession = function() {
+  this.setWriteToSession(undefined);
+};
+
+
+/**
+ * Returns whether this field is set.
+ * @return{!boolean}
+ */
+proto.ClientMessage.prototype.hasWriteToSession = function() {
+  return jspb.Message.getField(this, 3) != null;
+};
+
+
+/**
+ * optional CloseSessionInputMessage close_session_input = 4;
+ * @return {proto.CloseSessionInputMessage}
+ */
+proto.ClientMessage.prototype.getCloseSessionInput = function() {
+  return /** @type{proto.CloseSessionInputMessage} */ (
+    jspb.Message.getWrapperField(this, command_pb.CloseSessionInputMessage, 4));
+};
+
+
+/** @param {proto.CloseSessionInputMessage|undefined} value  */
+proto.ClientMessage.prototype.setCloseSessionInput = function(value) {
+  jspb.Message.setOneofWrapperField(this, 4, proto.ClientMessage.oneofGroups_[0], value);
+};
+
+
+proto.ClientMessage.prototype.clearCloseSessionInput = function() {
+  this.setCloseSessionInput(undefined);
+};
+
+
+/**
+ * Returns whether this field is set.
+ * @return{!boolean}
+ */
+proto.ClientMessage.prototype.hasCloseSessionInput = function() {
+  return jspb.Message.getField(this, 4) != null;
+};
+
+
+/**
+ * optional ResizeSessionTTYMessage resize_session_tty = 5;
+ * @return {proto.ResizeSessionTTYMessage}
+ */
+proto.ClientMessage.prototype.getResizeSessionTty = function() {
+  return /** @type{proto.ResizeSessionTTYMessage} */ (
+    jspb.Message.getWrapperField(this, command_pb.ResizeSessionTTYMessage, 5));
+};
+
+
+/** @param {proto.ResizeSessionTTYMessage|undefined} value  */
+proto.ClientMessage.prototype.setResizeSessionTty = function(value) {
+  jspb.Message.setOneofWrapperField(this, 5, proto.ClientMessage.oneofGroups_[0], value);
+};
+
+
+proto.ClientMessage.prototype.clearResizeSessionTty = function() {
+  this.setResizeSessionTty(undefined);
+};
+
+
+/**
+ * Returns whether this field is set.
+ * @return{!boolean}
+ */
+proto.ClientMessage.prototype.hasResizeSessionTty = function() {
+  return jspb.Message.getField(this, 5) != null;
+};
+
+
+/**
+ * optional NewEvalMessage new_eval = 6;
+ * @return {proto.NewEvalMessage}
+ */
+proto.ClientMessage.prototype.getNewEval = function() {
+  return /** @type{proto.NewEvalMessage} */ (
+    jspb.Message.getWrapperField(this, node_pb.NewEvalMessage, 6));
+};
+
+
+/** @param {proto.NewEvalMessage|undefined} value  */
+proto.ClientMessage.prototype.setNewEval = function(value) {
+  jspb.Message.setOneofWrapperField(this, 6, proto.ClientMessage.oneofGroups_[0], value);
+};
+
+
+proto.ClientMessage.prototype.clearNewEval = function() {
+  this.setNewEval(undefined);
+};
+
+
+/**
+ * Returns whether this field is set.
+ * @return{!boolean}
+ */
+proto.ClientMessage.prototype.hasNewEval = function() {
+  return jspb.Message.getField(this, 6) != null;
+};
+
+
+
+/**
+ * Generated by JsPbCodeGenerator.
+ * @param {Array=} opt_data Optional initial data array, typically from a
+ * server response, or constructed directly in Javascript. The array is used
+ * in place and becomes part of the constructed object. It is not cloned.
+ * If no data is provided, the constructed object will be empty, but still
+ * valid.
+ * @extends {jspb.Message}
+ * @constructor
+ */
+proto.ServerMessage = function(opt_data) {
+  jspb.Message.initialize(this, opt_data, 0, -1, null, proto.ServerMessage.oneofGroups_);
+};
+goog.inherits(proto.ServerMessage, jspb.Message);
+if (goog.DEBUG && !COMPILED) {
+  proto.ServerMessage.displayName = 'proto.ServerMessage';
+}
+/**
+ * Oneof group definitions for this message. Each group defines the field
+ * numbers belonging to that group. When of these fields' value is set, all
+ * other fields in the group are cleared. During deserialization, if multiple
+ * fields are encountered for a group, only the last value seen will be kept.
+ * @private {!Array<!Array<number>>}
+ * @const
+ */
+proto.ServerMessage.oneofGroups_ = [[1,2,3,4,5]];
+
+/**
+ * @enum {number}
+ */
+proto.ServerMessage.MsgCase = {
+  MSG_NOT_SET: 0,
+  NEW_SESSION_FAILURE: 1,
+  SESSION_DONE: 2,
+  SESSION_OUTPUT: 3,
+  EVAL_FAILED: 4,
+  EVAL_DONE: 5
+};
+
+/**
+ * @return {proto.ServerMessage.MsgCase}
+ */
+proto.ServerMessage.prototype.getMsgCase = function() {
+  return /** @type {proto.ServerMessage.MsgCase} */(jspb.Message.computeOneofCase(this, proto.ServerMessage.oneofGroups_[0]));
+};
+
+
+
+if (jspb.Message.GENERATE_TO_OBJECT) {
+/**
+ * Creates an object representation of this proto suitable for use in Soy templates.
+ * Field names that are reserved in JavaScript and will be renamed to pb_name.
+ * To access a reserved field use, foo.pb_<name>, eg, foo.pb_default.
+ * For the list of reserved names please see:
+ *     com.google.apps.jspb.JsClassTemplate.JS_RESERVED_WORDS.
+ * @param {boolean=} opt_includeInstance Whether to include the JSPB instance
+ *     for transitional soy proto support: http://goto/soy-param-migration
+ * @return {!Object}
+ */
+proto.ServerMessage.prototype.toObject = function(opt_includeInstance) {
+  return proto.ServerMessage.toObject(opt_includeInstance, this);
+};
+
+
+/**
+ * Static version of the {@see toObject} method.
+ * @param {boolean|undefined} includeInstance Whether to include the JSPB
+ *     instance for transitional soy proto support:
+ *     http://goto/soy-param-migration
+ * @param {!proto.ServerMessage} msg The msg instance to transform.
+ * @return {!Object}
+ */
+proto.ServerMessage.toObject = function(includeInstance, msg) {
+  var f, obj = {
+    newSessionFailure: (f = msg.getNewSessionFailure()) && command_pb.NewSessionFailureMessage.toObject(includeInstance, f),
+    sessionDone: (f = msg.getSessionDone()) && command_pb.SessionDoneMessage.toObject(includeInstance, f),
+    sessionOutput: (f = msg.getSessionOutput()) && command_pb.SessionOutputMessage.toObject(includeInstance, f),
+    evalFailed: (f = msg.getEvalFailed()) && node_pb.EvalFailedMessage.toObject(includeInstance, f),
+    evalDone: (f = msg.getEvalDone()) && node_pb.EvalDoneMessage.toObject(includeInstance, f)
+  };
+
+  if (includeInstance) {
+    obj.$jspbMessageInstance = msg;
+  }
+  return obj;
+};
+}
+
+
+/**
+ * Deserializes binary data (in protobuf wire format).
+ * @param {jspb.ByteSource} bytes The bytes to deserialize.
+ * @return {!proto.ServerMessage}
+ */
+proto.ServerMessage.deserializeBinary = function(bytes) {
+  var reader = new jspb.BinaryReader(bytes);
+  var msg = new proto.ServerMessage;
+  return proto.ServerMessage.deserializeBinaryFromReader(msg, reader);
+};
+
+
+/**
+ * Deserializes binary data (in protobuf wire format) from the
+ * given reader into the given message object.
+ * @param {!proto.ServerMessage} msg The message object to deserialize into.
+ * @param {!jspb.BinaryReader} reader The BinaryReader to use.
+ * @return {!proto.ServerMessage}
+ */
+proto.ServerMessage.deserializeBinaryFromReader = function(msg, reader) {
+  while (reader.nextField()) {
+    if (reader.isEndGroup()) {
+      break;
+    }
+    var field = reader.getFieldNumber();
+    switch (field) {
+    case 1:
+      var value = new command_pb.NewSessionFailureMessage;
+      reader.readMessage(value,command_pb.NewSessionFailureMessage.deserializeBinaryFromReader);
+      msg.setNewSessionFailure(value);
+      break;
+    case 2:
+      var value = new command_pb.SessionDoneMessage;
+      reader.readMessage(value,command_pb.SessionDoneMessage.deserializeBinaryFromReader);
+      msg.setSessionDone(value);
+      break;
+    case 3:
+      var value = new command_pb.SessionOutputMessage;
+      reader.readMessage(value,command_pb.SessionOutputMessage.deserializeBinaryFromReader);
+      msg.setSessionOutput(value);
+      break;
+    case 4:
+      var value = new node_pb.EvalFailedMessage;
+      reader.readMessage(value,node_pb.EvalFailedMessage.deserializeBinaryFromReader);
+      msg.setEvalFailed(value);
+      break;
+    case 5:
+      var value = new node_pb.EvalDoneMessage;
+      reader.readMessage(value,node_pb.EvalDoneMessage.deserializeBinaryFromReader);
+      msg.setEvalDone(value);
+      break;
+    default:
+      reader.skipField();
+      break;
+    }
+  }
+  return msg;
+};
+
+
+/**
+ * Class method variant: serializes the given message to binary data
+ * (in protobuf wire format), writing to the given BinaryWriter.
+ * @param {!proto.ServerMessage} message
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.ServerMessage.serializeBinaryToWriter = function(message, writer) {
+  message.serializeBinaryToWriter(writer);
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format).
+ * @return {!Uint8Array}
+ */
+proto.ServerMessage.prototype.serializeBinary = function() {
+  var writer = new jspb.BinaryWriter();
+  this.serializeBinaryToWriter(writer);
+  return writer.getResultBuffer();
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format),
+ * writing to the given BinaryWriter.
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.ServerMessage.prototype.serializeBinaryToWriter = function (writer) {
+  var f = undefined;
+  f = this.getNewSessionFailure();
+  if (f != null) {
+    writer.writeMessage(
+      1,
+      f,
+      command_pb.NewSessionFailureMessage.serializeBinaryToWriter
+    );
+  }
+  f = this.getSessionDone();
+  if (f != null) {
+    writer.writeMessage(
+      2,
+      f,
+      command_pb.SessionDoneMessage.serializeBinaryToWriter
+    );
+  }
+  f = this.getSessionOutput();
+  if (f != null) {
+    writer.writeMessage(
+      3,
+      f,
+      command_pb.SessionOutputMessage.serializeBinaryToWriter
+    );
+  }
+  f = this.getEvalFailed();
+  if (f != null) {
+    writer.writeMessage(
+      4,
+      f,
+      node_pb.EvalFailedMessage.serializeBinaryToWriter
+    );
+  }
+  f = this.getEvalDone();
+  if (f != null) {
+    writer.writeMessage(
+      5,
+      f,
+      node_pb.EvalDoneMessage.serializeBinaryToWriter
+    );
+  }
+};
+
+
+/**
+ * Creates a deep clone of this proto. No data is shared with the original.
+ * @return {!proto.ServerMessage} The clone.
+ */
+proto.ServerMessage.prototype.cloneMessage = function() {
+  return /** @type {!proto.ServerMessage} */ (jspb.Message.cloneMessage(this));
+};
+
+
+/**
+ * optional NewSessionFailureMessage new_session_failure = 1;
+ * @return {proto.NewSessionFailureMessage}
+ */
+proto.ServerMessage.prototype.getNewSessionFailure = function() {
+  return /** @type{proto.NewSessionFailureMessage} */ (
+    jspb.Message.getWrapperField(this, command_pb.NewSessionFailureMessage, 1));
+};
+
+
+/** @param {proto.NewSessionFailureMessage|undefined} value  */
+proto.ServerMessage.prototype.setNewSessionFailure = function(value) {
+  jspb.Message.setOneofWrapperField(this, 1, proto.ServerMessage.oneofGroups_[0], value);
+};
+
+
+proto.ServerMessage.prototype.clearNewSessionFailure = function() {
+  this.setNewSessionFailure(undefined);
+};
+
+
+/**
+ * Returns whether this field is set.
+ * @return{!boolean}
+ */
+proto.ServerMessage.prototype.hasNewSessionFailure = function() {
+  return jspb.Message.getField(this, 1) != null;
+};
+
+
+/**
+ * optional SessionDoneMessage session_done = 2;
+ * @return {proto.SessionDoneMessage}
+ */
+proto.ServerMessage.prototype.getSessionDone = function() {
+  return /** @type{proto.SessionDoneMessage} */ (
+    jspb.Message.getWrapperField(this, command_pb.SessionDoneMessage, 2));
+};
+
+
+/** @param {proto.SessionDoneMessage|undefined} value  */
+proto.ServerMessage.prototype.setSessionDone = function(value) {
+  jspb.Message.setOneofWrapperField(this, 2, proto.ServerMessage.oneofGroups_[0], value);
+};
+
+
+proto.ServerMessage.prototype.clearSessionDone = function() {
+  this.setSessionDone(undefined);
+};
+
+
+/**
+ * Returns whether this field is set.
+ * @return{!boolean}
+ */
+proto.ServerMessage.prototype.hasSessionDone = function() {
+  return jspb.Message.getField(this, 2) != null;
+};
+
+
+/**
+ * optional SessionOutputMessage session_output = 3;
+ * @return {proto.SessionOutputMessage}
+ */
+proto.ServerMessage.prototype.getSessionOutput = function() {
+  return /** @type{proto.SessionOutputMessage} */ (
+    jspb.Message.getWrapperField(this, command_pb.SessionOutputMessage, 3));
+};
+
+
+/** @param {proto.SessionOutputMessage|undefined} value  */
+proto.ServerMessage.prototype.setSessionOutput = function(value) {
+  jspb.Message.setOneofWrapperField(this, 3, proto.ServerMessage.oneofGroups_[0], value);
+};
+
+
+proto.ServerMessage.prototype.clearSessionOutput = function() {
+  this.setSessionOutput(undefined);
+};
+
+
+/**
+ * Returns whether this field is set.
+ * @return{!boolean}
+ */
+proto.ServerMessage.prototype.hasSessionOutput = function() {
+  return jspb.Message.getField(this, 3) != null;
+};
+
+
+/**
+ * optional EvalFailedMessage eval_failed = 4;
+ * @return {proto.EvalFailedMessage}
+ */
+proto.ServerMessage.prototype.getEvalFailed = function() {
+  return /** @type{proto.EvalFailedMessage} */ (
+    jspb.Message.getWrapperField(this, node_pb.EvalFailedMessage, 4));
+};
+
+
+/** @param {proto.EvalFailedMessage|undefined} value  */
+proto.ServerMessage.prototype.setEvalFailed = function(value) {
+  jspb.Message.setOneofWrapperField(this, 4, proto.ServerMessage.oneofGroups_[0], value);
+};
+
+
+proto.ServerMessage.prototype.clearEvalFailed = function() {
+  this.setEvalFailed(undefined);
+};
+
+
+/**
+ * Returns whether this field is set.
+ * @return{!boolean}
+ */
+proto.ServerMessage.prototype.hasEvalFailed = function() {
+  return jspb.Message.getField(this, 4) != null;
+};
+
+
+/**
+ * optional EvalDoneMessage eval_done = 5;
+ * @return {proto.EvalDoneMessage}
+ */
+proto.ServerMessage.prototype.getEvalDone = function() {
+  return /** @type{proto.EvalDoneMessage} */ (
+    jspb.Message.getWrapperField(this, node_pb.EvalDoneMessage, 5));
+};
+
+
+/** @param {proto.EvalDoneMessage|undefined} value  */
+proto.ServerMessage.prototype.setEvalDone = function(value) {
+  jspb.Message.setOneofWrapperField(this, 5, proto.ServerMessage.oneofGroups_[0], value);
+};
+
+
+proto.ServerMessage.prototype.clearEvalDone = function() {
+  this.setEvalDone(undefined);
+};
+
+
+/**
+ * Returns whether this field is set.
+ * @return{!boolean}
+ */
+proto.ServerMessage.prototype.hasEvalDone = function() {
+  return jspb.Message.getField(this, 5) != null;
+};
+
+
+goog.object.extend(exports, proto);

packages/server/src/proto/command.proto

@@ -0,0 +1,75 @@
+syntax = "proto3";
+
+// Executes a command.
+// Ensure the id field is unique for each new session. If a client reuses the id of an existing
+// session, the connection will be closed.
+// If env is provided, the environment variables will be set.
+// If tty_dimensions is included, we will spawn a tty for the command using the given dimensions.
+message NewSessionMessage {
+    uint64 id = 1;
+    string command = 2;
+    repeated string args = 3;
+    map<string, string> env = 4;
+    TTYDimensions tty_dimensions = 5;
+}
+
+// Sent when starting a session failed.
+message NewSessionFailureMessage {
+    uint64 id = 1;
+    enum Reason {
+        Prohibited = 0;
+        ResourceShortage = 1;
+    }
+    Reason reason = 2;
+    string message = 3;
+}
+
+// Sent when a session has completed
+message SessionDoneMessage {
+    uint64 id = 1;
+    int64 exit_status = 2;
+}
+
+// Identifies a session with a PID.
+message IdentifySessionMessage {
+    uint64 id = 1;
+    uint64 pid = 2;
+}
+
+// Writes data to a session.
+message WriteToSessionMessage {
+    uint64 id = 1;
+    bytes data = 2;
+}
+
+// Resizes the TTY of the session identified by the id.
+// The connection will be closed if a TTY was not requested when the session was created.
+message ResizeSessionTTYMessage {
+    uint64 id = 1;
+    TTYDimensions tty_dimensions = 2;
+}
+
+// CloseSessionInputMessage closes the stdin of the session by the ID.
+message CloseSessionInputMessage {
+    uint64 id = 1;
+}
+
+message ShutdownSessionMessage {
+    uint64 id = 1;
+}
+
+// SessionOutputMessage carries data read from the stdout or stderr of the session identified by the id.
+message SessionOutputMessage {
+    uint64 id = 1;
+    enum FD {
+        Stdout = 0;
+        Stderr = 1;
+    }
+    FD fd = 2;
+    bytes data = 3;
+}
+
+message TTYDimensions {
+    uint32 height = 1;
+    uint32 width = 2;
+}

packages/server/src/proto/command_pb.d.ts

@@ -0,0 +1,276 @@
+// package: 
+// file: command.proto
+
+import * as jspb from "google-protobuf";
+
+export class NewSessionMessage extends jspb.Message {
+  getId(): number;
+  setId(value: number): void;
+
+  getCommand(): string;
+  setCommand(value: string): void;
+
+  clearArgsList(): void;
+  getArgsList(): Array<string>;
+  setArgsList(value: Array<string>): void;
+  addArgs(value: string, index?: number): string;
+
+  getEnvMap(): jspb.Map<string, string>;
+  clearEnvMap(): void;
+  hasTtyDimensions(): boolean;
+  clearTtyDimensions(): void;
+  getTtyDimensions(): TTYDimensions | undefined;
+  setTtyDimensions(value?: TTYDimensions): void;
+
+  serializeBinary(): Uint8Array;
+  toObject(includeInstance?: boolean): NewSessionMessage.AsObject;
+  static toObject(includeInstance: boolean, msg: NewSessionMessage): NewSessionMessage.AsObject;
+  static extensions: {[key: number]: jspb.ExtensionFieldInfo<jspb.Message>};
+  static extensionsBinary: {[key: number]: jspb.ExtensionFieldBinaryInfo<jspb.Message>};
+  static serializeBinaryToWriter(message: NewSessionMessage, writer: jspb.BinaryWriter): void;
+  static deserializeBinary(bytes: Uint8Array): NewSessionMessage;
+  static deserializeBinaryFromReader(message: NewSessionMessage, reader: jspb.BinaryReader): NewSessionMessage;
+}
+
+export namespace NewSessionMessage {
+  export type AsObject = {
+    id: number,
+    command: string,
+    argsList: Array<string>,
+    envMap: Array<[string, string]>,
+    ttyDimensions?: TTYDimensions.AsObject,
+  }
+}
+
+export class NewSessionFailureMessage extends jspb.Message {
+  getId(): number;
+  setId(value: number): void;
+
+  getReason(): NewSessionFailureMessage.Reason;
+  setReason(value: NewSessionFailureMessage.Reason): void;
+
+  getMessage(): string;
+  setMessage(value: string): void;
+
+  serializeBinary(): Uint8Array;
+  toObject(includeInstance?: boolean): NewSessionFailureMessage.AsObject;
+  static toObject(includeInstance: boolean, msg: NewSessionFailureMessage): NewSessionFailureMessage.AsObject;
+  static extensions: {[key: number]: jspb.ExtensionFieldInfo<jspb.Message>};
+  static extensionsBinary: {[key: number]: jspb.ExtensionFieldBinaryInfo<jspb.Message>};
+  static serializeBinaryToWriter(message: NewSessionFailureMessage, writer: jspb.BinaryWriter): void;
+  static deserializeBinary(bytes: Uint8Array): NewSessionFailureMessage;
+  static deserializeBinaryFromReader(message: NewSessionFailureMessage, reader: jspb.BinaryReader): NewSessionFailureMessage;
+}
+
+export namespace NewSessionFailureMessage {
+  export type AsObject = {
+    id: number,
+    reason: NewSessionFailureMessage.Reason,
+    message: string,
+  }
+
+  export enum Reason {
+    PROHIBITED = 0,
+    RESOURCESHORTAGE = 1,
+  }
+}
+
+export class SessionDoneMessage extends jspb.Message {
+  getId(): number;
+  setId(value: number): void;
+
+  getExitStatus(): number;
+  setExitStatus(value: number): void;
+
+  serializeBinary(): Uint8Array;
+  toObject(includeInstance?: boolean): SessionDoneMessage.AsObject;
+  static toObject(includeInstance: boolean, msg: SessionDoneMessage): SessionDoneMessage.AsObject;
+  static extensions: {[key: number]: jspb.ExtensionFieldInfo<jspb.Message>};
+  static extensionsBinary: {[key: number]: jspb.ExtensionFieldBinaryInfo<jspb.Message>};
+  static serializeBinaryToWriter(message: SessionDoneMessage, writer: jspb.BinaryWriter): void;
+  static deserializeBinary(bytes: Uint8Array): SessionDoneMessage;
+  static deserializeBinaryFromReader(message: SessionDoneMessage, reader: jspb.BinaryReader): SessionDoneMessage;
+}
+
+export namespace SessionDoneMessage {
+  export type AsObject = {
+    id: number,
+    exitStatus: number,
+  }
+}
+
+export class IdentifySessionMessage extends jspb.Message {
+  getId(): number;
+  setId(value: number): void;
+
+  getPid(): number;
+  setPid(value: number): void;
+
+  serializeBinary(): Uint8Array;
+  toObject(includeInstance?: boolean): IdentifySessionMessage.AsObject;
+  static toObject(includeInstance: boolean, msg: IdentifySessionMessage): IdentifySessionMessage.AsObject;
+  static extensions: {[key: number]: jspb.ExtensionFieldInfo<jspb.Message>};
+  static extensionsBinary: {[key: number]: jspb.ExtensionFieldBinaryInfo<jspb.Message>};
+  static serializeBinaryToWriter(message: IdentifySessionMessage, writer: jspb.BinaryWriter): void;
+  static deserializeBinary(bytes: Uint8Array): IdentifySessionMessage;
+  static deserializeBinaryFromReader(message: IdentifySessionMessage, reader: jspb.BinaryReader): IdentifySessionMessage;
+}
+
+export namespace IdentifySessionMessage {
+  export type AsObject = {
+    id: number,
+    pid: number,
+  }
+}
+
+export class WriteToSessionMessage extends jspb.Message {
+  getId(): number;
+  setId(value: number): void;
+
+  getData(): Uint8Array | string;
+  getData_asU8(): Uint8Array;
+  getData_asB64(): string;
+  setData(value: Uint8Array | string): void;
+
+  serializeBinary(): Uint8Array;
+  toObject(includeInstance?: boolean): WriteToSessionMessage.AsObject;
+  static toObject(includeInstance: boolean, msg: WriteToSessionMessage): WriteToSessionMessage.AsObject;
+  static extensions: {[key: number]: jspb.ExtensionFieldInfo<jspb.Message>};
+  static extensionsBinary: {[key: number]: jspb.ExtensionFieldBinaryInfo<jspb.Message>};
+  static serializeBinaryToWriter(message: WriteToSessionMessage, writer: jspb.BinaryWriter): void;
+  static deserializeBinary(bytes: Uint8Array): WriteToSessionMessage;
+  static deserializeBinaryFromReader(message: WriteToSessionMessage, reader: jspb.BinaryReader): WriteToSessionMessage;
+}
+
+export namespace WriteToSessionMessage {
+  export type AsObject = {
+    id: number,
+    data: Uint8Array | string,
+  }
+}
+
+export class ResizeSessionTTYMessage extends jspb.Message {
+  getId(): number;
+  setId(value: number): void;
+
+  hasTtyDimensions(): boolean;
+  clearTtyDimensions(): void;
+  getTtyDimensions(): TTYDimensions | undefined;
+  setTtyDimensions(value?: TTYDimensions): void;
+
+  serializeBinary(): Uint8Array;
+  toObject(includeInstance?: boolean): ResizeSessionTTYMessage.AsObject;
+  static toObject(includeInstance: boolean, msg: ResizeSessionTTYMessage): ResizeSessionTTYMessage.AsObject;
+  static extensions: {[key: number]: jspb.ExtensionFieldInfo<jspb.Message>};
+  static extensionsBinary: {[key: number]: jspb.ExtensionFieldBinaryInfo<jspb.Message>};
+  static serializeBinaryToWriter(message: ResizeSessionTTYMessage, writer: jspb.BinaryWriter): void;
+  static deserializeBinary(bytes: Uint8Array): ResizeSessionTTYMessage;
+  static deserializeBinaryFromReader(message: ResizeSessionTTYMessage, reader: jspb.BinaryReader): ResizeSessionTTYMessage;
+}
+
+export namespace ResizeSessionTTYMessage {
+  export type AsObject = {
+    id: number,
+    ttyDimensions?: TTYDimensions.AsObject,
+  }
+}
+
+export class CloseSessionInputMessage extends jspb.Message {
+  getId(): number;
+  setId(value: number): void;
+
+  serializeBinary(): Uint8Array;
+  toObject(includeInstance?: boolean): CloseSessionInputMessage.AsObject;
+  static toObject(includeInstance: boolean, msg: CloseSessionInputMessage): CloseSessionInputMessage.AsObject;
+  static extensions: {[key: number]: jspb.ExtensionFieldInfo<jspb.Message>};
+  static extensionsBinary: {[key: number]: jspb.ExtensionFieldBinaryInfo<jspb.Message>};
+  static serializeBinaryToWriter(message: CloseSessionInputMessage, writer: jspb.BinaryWriter): void;
+  static deserializeBinary(bytes: Uint8Array): CloseSessionInputMessage;
+  static deserializeBinaryFromReader(message: CloseSessionInputMessage, reader: jspb.BinaryReader): CloseSessionInputMessage;
+}
+
+export namespace CloseSessionInputMessage {
+  export type AsObject = {
+    id: number,
+  }
+}
+
+export class ShutdownSessionMessage extends jspb.Message {
+  getId(): number;
+  setId(value: number): void;
+
+  serializeBinary(): Uint8Array;
+  toObject(includeInstance?: boolean): ShutdownSessionMessage.AsObject;
+  static toObject(includeInstance: boolean, msg: ShutdownSessionMessage): ShutdownSessionMessage.AsObject;
+  static extensions: {[key: number]: jspb.ExtensionFieldInfo<jspb.Message>};
+  static extensionsBinary: {[key: number]: jspb.ExtensionFieldBinaryInfo<jspb.Message>};
+  static serializeBinaryToWriter(message: ShutdownSessionMessage, writer: jspb.BinaryWriter): void;
+  static deserializeBinary(bytes: Uint8Array): ShutdownSessionMessage;
+  static deserializeBinaryFromReader(message: ShutdownSessionMessage, reader: jspb.BinaryReader): ShutdownSessionMessage;
+}
+
+export namespace ShutdownSessionMessage {
+  export type AsObject = {
+    id: number,
+  }
+}
+
+export class SessionOutputMessage extends jspb.Message {
+  getId(): number;
+  setId(value: number): void;
+
+  getFd(): SessionOutputMessage.FD;
+  setFd(value: SessionOutputMessage.FD): void;
+
+  getData(): Uint8Array | string;
+  getData_asU8(): Uint8Array;
+  getData_asB64(): string;
+  setData(value: Uint8Array | string): void;
+
+  serializeBinary(): Uint8Array;
+  toObject(includeInstance?: boolean): SessionOutputMessage.AsObject;
+  static toObject(includeInstance: boolean, msg: SessionOutputMessage): SessionOutputMessage.AsObject;
+  static extensions: {[key: number]: jspb.ExtensionFieldInfo<jspb.Message>};
+  static extensionsBinary: {[key: number]: jspb.ExtensionFieldBinaryInfo<jspb.Message>};
+  static serializeBinaryToWriter(message: SessionOutputMessage, writer: jspb.BinaryWriter): void;
+  static deserializeBinary(bytes: Uint8Array): SessionOutputMessage;
+  static deserializeBinaryFromReader(message: SessionOutputMessage, reader: jspb.BinaryReader): SessionOutputMessage;
+}
+
+export namespace SessionOutputMessage {
+  export type AsObject = {
+    id: number,
+    fd: SessionOutputMessage.FD,
+    data: Uint8Array | string,
+  }
+
+  export enum FD {
+    STDOUT = 0,
+    STDERR = 1,
+  }
+}
+
+export class TTYDimensions extends jspb.Message {
+  getHeight(): number;
+  setHeight(value: number): void;
+
+  getWidth(): number;
+  setWidth(value: number): void;
+
+  serializeBinary(): Uint8Array;
+  toObject(includeInstance?: boolean): TTYDimensions.AsObject;
+  static toObject(includeInstance: boolean, msg: TTYDimensions): TTYDimensions.AsObject;
+  static extensions: {[key: number]: jspb.ExtensionFieldInfo<jspb.Message>};
+  static extensionsBinary: {[key: number]: jspb.ExtensionFieldBinaryInfo<jspb.Message>};
+  static serializeBinaryToWriter(message: TTYDimensions, writer: jspb.BinaryWriter): void;
+  static deserializeBinary(bytes: Uint8Array): TTYDimensions;
+  static deserializeBinaryFromReader(message: TTYDimensions, reader: jspb.BinaryReader): TTYDimensions;
+}
+
+export namespace TTYDimensions {
+  export type AsObject = {
+    height: number,
+    width: number,
+  }
+}
+

packages/server/src/proto/index.ts

@@ -0,0 +1,3 @@
+export * from "./client_pb";
+export * from "./command_pb";
+export * from "./node_pb";

packages/server/src/proto/node.proto

@@ -0,0 +1,36 @@
+syntax = "proto3";
+
+message TypedValue {
+    enum Type {
+        String = 0;
+        Number = 1;
+        Object = 2;
+        Boolean = 3;
+    }
+    Type type = 1;
+    string value = 2;
+}
+
+message NewEvalMessage {
+    uint64 id = 1;
+    string function = 2;
+    repeated string args = 3;
+    // Timeout in ms
+    uint32 timeout = 4;
+}
+
+message EvalFailedMessage {
+    uint64 id = 1;
+    enum Reason {
+        Timeout = 0;
+        Exception = 1;
+        Conflict = 2;
+    }
+    Reason reason = 2;
+    string message = 3;
+}
+
+message EvalDoneMessage {
+    uint64 id = 1;
+    TypedValue response = 2;
+}

packages/server/src/proto/node_pb.d.ts

@@ -0,0 +1,130 @@
+// package: 
+// file: node.proto
+
+import * as jspb from "google-protobuf";
+
+export class TypedValue extends jspb.Message {
+  getType(): TypedValue.Type;
+  setType(value: TypedValue.Type): void;
+
+  getValue(): string;
+  setValue(value: string): void;
+
+  serializeBinary(): Uint8Array;
+  toObject(includeInstance?: boolean): TypedValue.AsObject;
+  static toObject(includeInstance: boolean, msg: TypedValue): TypedValue.AsObject;
+  static extensions: {[key: number]: jspb.ExtensionFieldInfo<jspb.Message>};
+  static extensionsBinary: {[key: number]: jspb.ExtensionFieldBinaryInfo<jspb.Message>};
+  static serializeBinaryToWriter(message: TypedValue, writer: jspb.BinaryWriter): void;
+  static deserializeBinary(bytes: Uint8Array): TypedValue;
+  static deserializeBinaryFromReader(message: TypedValue, reader: jspb.BinaryReader): TypedValue;
+}
+
+export namespace TypedValue {
+  export type AsObject = {
+    type: TypedValue.Type,
+    value: string,
+  }
+
+  export enum Type {
+    STRING = 0,
+    NUMBER = 1,
+    OBJECT = 2,
+    BOOLEAN = 3,
+  }
+}
+
+export class NewEvalMessage extends jspb.Message {
+  getId(): number;
+  setId(value: number): void;
+
+  getFunction(): string;
+  setFunction(value: string): void;
+
+  clearArgsList(): void;
+  getArgsList(): Array<string>;
+  setArgsList(value: Array<string>): void;
+  addArgs(value: string, index?: number): string;
+
+  getTimeout(): number;
+  setTimeout(value: number): void;
+
+  serializeBinary(): Uint8Array;
+  toObject(includeInstance?: boolean): NewEvalMessage.AsObject;
+  static toObject(includeInstance: boolean, msg: NewEvalMessage): NewEvalMessage.AsObject;
+  static extensions: {[key: number]: jspb.ExtensionFieldInfo<jspb.Message>};
+  static extensionsBinary: {[key: number]: jspb.ExtensionFieldBinaryInfo<jspb.Message>};
+  static serializeBinaryToWriter(message: NewEvalMessage, writer: jspb.BinaryWriter): void;
+  static deserializeBinary(bytes: Uint8Array): NewEvalMessage;
+  static deserializeBinaryFromReader(message: NewEvalMessage, reader: jspb.BinaryReader): NewEvalMessage;
+}
+
+export namespace NewEvalMessage {
+  export type AsObject = {
+    id: number,
+    pb_function: string,
+    argsList: Array<string>,
+    timeout: number,
+  }
+}
+
+export class EvalFailedMessage extends jspb.Message {
+  getId(): number;
+  setId(value: number): void;
+
+  getReason(): EvalFailedMessage.Reason;
+  setReason(value: EvalFailedMessage.Reason): void;
+
+  getMessage(): string;
+  setMessage(value: string): void;
+
+  serializeBinary(): Uint8Array;
+  toObject(includeInstance?: boolean): EvalFailedMessage.AsObject;
+  static toObject(includeInstance: boolean, msg: EvalFailedMessage): EvalFailedMessage.AsObject;
+  static extensions: {[key: number]: jspb.ExtensionFieldInfo<jspb.Message>};
+  static extensionsBinary: {[key: number]: jspb.ExtensionFieldBinaryInfo<jspb.Message>};
+  static serializeBinaryToWriter(message: EvalFailedMessage, writer: jspb.BinaryWriter): void;
+  static deserializeBinary(bytes: Uint8Array): EvalFailedMessage;
+  static deserializeBinaryFromReader(message: EvalFailedMessage, reader: jspb.BinaryReader): EvalFailedMessage;
+}
+
+export namespace EvalFailedMessage {
+  export type AsObject = {
+    id: number,
+    reason: EvalFailedMessage.Reason,
+    message: string,
+  }
+
+  export enum Reason {
+    TIMEOUT = 0,
+    EXCEPTION = 1,
+    CONFLICT = 2,
+  }
+}
+
+export class EvalDoneMessage extends jspb.Message {
+  getId(): number;
+  setId(value: number): void;
+
+  hasResponse(): boolean;
+  clearResponse(): void;
+  getResponse(): TypedValue | undefined;
+  setResponse(value?: TypedValue): void;
+
+  serializeBinary(): Uint8Array;
+  toObject(includeInstance?: boolean): EvalDoneMessage.AsObject;
+  static toObject(includeInstance: boolean, msg: EvalDoneMessage): EvalDoneMessage.AsObject;
+  static extensions: {[key: number]: jspb.ExtensionFieldInfo<jspb.Message>};
+  static extensionsBinary: {[key: number]: jspb.ExtensionFieldBinaryInfo<jspb.Message>};
+  static serializeBinaryToWriter(message: EvalDoneMessage, writer: jspb.BinaryWriter): void;
+  static deserializeBinary(bytes: Uint8Array): EvalDoneMessage;
+  static deserializeBinaryFromReader(message: EvalDoneMessage, reader: jspb.BinaryReader): EvalDoneMessage;
+}
+
+export namespace EvalDoneMessage {
+  export type AsObject = {
+    id: number,
+    response?: TypedValue.AsObject,
+  }
+}
+

packages/server/src/proto/node_pb.js

@@ -0,0 +1,894 @@
+/**
+ * @fileoverview
+ * @enhanceable
+ * @public
+ */
+// GENERATED CODE -- DO NOT EDIT!
+
+var jspb = require('google-protobuf');
+var goog = jspb;
+var global = Function('return this')();
+
+goog.exportSymbol('proto.EvalDoneMessage', null, global);
+goog.exportSymbol('proto.EvalFailedMessage', null, global);
+goog.exportSymbol('proto.EvalFailedMessage.Reason', null, global);
+goog.exportSymbol('proto.NewEvalMessage', null, global);
+goog.exportSymbol('proto.TypedValue', null, global);
+goog.exportSymbol('proto.TypedValue.Type', null, global);
+
+/**
+ * Generated by JsPbCodeGenerator.
+ * @param {Array=} opt_data Optional initial data array, typically from a
+ * server response, or constructed directly in Javascript. The array is used
+ * in place and becomes part of the constructed object. It is not cloned.
+ * If no data is provided, the constructed object will be empty, but still
+ * valid.
+ * @extends {jspb.Message}
+ * @constructor
+ */
+proto.TypedValue = function(opt_data) {
+  jspb.Message.initialize(this, opt_data, 0, -1, null, null);
+};
+goog.inherits(proto.TypedValue, jspb.Message);
+if (goog.DEBUG && !COMPILED) {
+  proto.TypedValue.displayName = 'proto.TypedValue';
+}
+
+
+if (jspb.Message.GENERATE_TO_OBJECT) {
+/**
+ * Creates an object representation of this proto suitable for use in Soy templates.
+ * Field names that are reserved in JavaScript and will be renamed to pb_name.
+ * To access a reserved field use, foo.pb_<name>, eg, foo.pb_default.
+ * For the list of reserved names please see:
+ *     com.google.apps.jspb.JsClassTemplate.JS_RESERVED_WORDS.
+ * @param {boolean=} opt_includeInstance Whether to include the JSPB instance
+ *     for transitional soy proto support: http://goto/soy-param-migration
+ * @return {!Object}
+ */
+proto.TypedValue.prototype.toObject = function(opt_includeInstance) {
+  return proto.TypedValue.toObject(opt_includeInstance, this);
+};
+
+
+/**
+ * Static version of the {@see toObject} method.
+ * @param {boolean|undefined} includeInstance Whether to include the JSPB
+ *     instance for transitional soy proto support:
+ *     http://goto/soy-param-migration
+ * @param {!proto.TypedValue} msg The msg instance to transform.
+ * @return {!Object}
+ */
+proto.TypedValue.toObject = function(includeInstance, msg) {
+  var f, obj = {
+    type: msg.getType(),
+    value: msg.getValue()
+  };
+
+  if (includeInstance) {
+    obj.$jspbMessageInstance = msg;
+  }
+  return obj;
+};
+}
+
+
+/**
+ * Deserializes binary data (in protobuf wire format).
+ * @param {jspb.ByteSource} bytes The bytes to deserialize.
+ * @return {!proto.TypedValue}
+ */
+proto.TypedValue.deserializeBinary = function(bytes) {
+  var reader = new jspb.BinaryReader(bytes);
+  var msg = new proto.TypedValue;
+  return proto.TypedValue.deserializeBinaryFromReader(msg, reader);
+};
+
+
+/**
+ * Deserializes binary data (in protobuf wire format) from the
+ * given reader into the given message object.
+ * @param {!proto.TypedValue} msg The message object to deserialize into.
+ * @param {!jspb.BinaryReader} reader The BinaryReader to use.
+ * @return {!proto.TypedValue}
+ */
+proto.TypedValue.deserializeBinaryFromReader = function(msg, reader) {
+  while (reader.nextField()) {
+    if (reader.isEndGroup()) {
+      break;
+    }
+    var field = reader.getFieldNumber();
+    switch (field) {
+    case 1:
+      var value = /** @type {!proto.TypedValue.Type} */ (reader.readEnum());
+      msg.setType(value);
+      break;
+    case 2:
+      var value = /** @type {string} */ (reader.readString());
+      msg.setValue(value);
+      break;
+    default:
+      reader.skipField();
+      break;
+    }
+  }
+  return msg;
+};
+
+
+/**
+ * Class method variant: serializes the given message to binary data
+ * (in protobuf wire format), writing to the given BinaryWriter.
+ * @param {!proto.TypedValue} message
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.TypedValue.serializeBinaryToWriter = function(message, writer) {
+  message.serializeBinaryToWriter(writer);
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format).
+ * @return {!Uint8Array}
+ */
+proto.TypedValue.prototype.serializeBinary = function() {
+  var writer = new jspb.BinaryWriter();
+  this.serializeBinaryToWriter(writer);
+  return writer.getResultBuffer();
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format),
+ * writing to the given BinaryWriter.
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.TypedValue.prototype.serializeBinaryToWriter = function (writer) {
+  var f = undefined;
+  f = this.getType();
+  if (f !== 0.0) {
+    writer.writeEnum(
+      1,
+      f
+    );
+  }
+  f = this.getValue();
+  if (f.length > 0) {
+    writer.writeString(
+      2,
+      f
+    );
+  }
+};
+
+
+/**
+ * Creates a deep clone of this proto. No data is shared with the original.
+ * @return {!proto.TypedValue} The clone.
+ */
+proto.TypedValue.prototype.cloneMessage = function() {
+  return /** @type {!proto.TypedValue} */ (jspb.Message.cloneMessage(this));
+};
+
+
+/**
+ * optional Type type = 1;
+ * @return {!proto.TypedValue.Type}
+ */
+proto.TypedValue.prototype.getType = function() {
+  return /** @type {!proto.TypedValue.Type} */ (jspb.Message.getFieldProto3(this, 1, 0));
+};
+
+
+/** @param {!proto.TypedValue.Type} value  */
+proto.TypedValue.prototype.setType = function(value) {
+  jspb.Message.setField(this, 1, value);
+};
+
+
+/**
+ * optional string value = 2;
+ * @return {string}
+ */
+proto.TypedValue.prototype.getValue = function() {
+  return /** @type {string} */ (jspb.Message.getFieldProto3(this, 2, ""));
+};
+
+
+/** @param {string} value  */
+proto.TypedValue.prototype.setValue = function(value) {
+  jspb.Message.setField(this, 2, value);
+};
+
+
+/**
+ * @enum {number}
+ */
+proto.TypedValue.Type = {
+  STRING: 0,
+  NUMBER: 1,
+  OBJECT: 2,
+  BOOLEAN: 3
+};
+
+
+/**
+ * Generated by JsPbCodeGenerator.
+ * @param {Array=} opt_data Optional initial data array, typically from a
+ * server response, or constructed directly in Javascript. The array is used
+ * in place and becomes part of the constructed object. It is not cloned.
+ * If no data is provided, the constructed object will be empty, but still
+ * valid.
+ * @extends {jspb.Message}
+ * @constructor
+ */
+proto.NewEvalMessage = function(opt_data) {
+  jspb.Message.initialize(this, opt_data, 0, -1, proto.NewEvalMessage.repeatedFields_, null);
+};
+goog.inherits(proto.NewEvalMessage, jspb.Message);
+if (goog.DEBUG && !COMPILED) {
+  proto.NewEvalMessage.displayName = 'proto.NewEvalMessage';
+}
+/**
+ * List of repeated fields within this message type.
+ * @private {!Array<number>}
+ * @const
+ */
+proto.NewEvalMessage.repeatedFields_ = [3];
+
+
+
+if (jspb.Message.GENERATE_TO_OBJECT) {
+/**
+ * Creates an object representation of this proto suitable for use in Soy templates.
+ * Field names that are reserved in JavaScript and will be renamed to pb_name.
+ * To access a reserved field use, foo.pb_<name>, eg, foo.pb_default.
+ * For the list of reserved names please see:
+ *     com.google.apps.jspb.JsClassTemplate.JS_RESERVED_WORDS.
+ * @param {boolean=} opt_includeInstance Whether to include the JSPB instance
+ *     for transitional soy proto support: http://goto/soy-param-migration
+ * @return {!Object}
+ */
+proto.NewEvalMessage.prototype.toObject = function(opt_includeInstance) {
+  return proto.NewEvalMessage.toObject(opt_includeInstance, this);
+};
+
+
+/**
+ * Static version of the {@see toObject} method.
+ * @param {boolean|undefined} includeInstance Whether to include the JSPB
+ *     instance for transitional soy proto support:
+ *     http://goto/soy-param-migration
+ * @param {!proto.NewEvalMessage} msg The msg instance to transform.
+ * @return {!Object}
+ */
+proto.NewEvalMessage.toObject = function(includeInstance, msg) {
+  var f, obj = {
+    id: msg.getId(),
+    pb_function: msg.getFunction(),
+    argsList: jspb.Message.getField(msg, 3),
+    timeout: msg.getTimeout()
+  };
+
+  if (includeInstance) {
+    obj.$jspbMessageInstance = msg;
+  }
+  return obj;
+};
+}
+
+
+/**
+ * Deserializes binary data (in protobuf wire format).
+ * @param {jspb.ByteSource} bytes The bytes to deserialize.
+ * @return {!proto.NewEvalMessage}
+ */
+proto.NewEvalMessage.deserializeBinary = function(bytes) {
+  var reader = new jspb.BinaryReader(bytes);
+  var msg = new proto.NewEvalMessage;
+  return proto.NewEvalMessage.deserializeBinaryFromReader(msg, reader);
+};
+
+
+/**
+ * Deserializes binary data (in protobuf wire format) from the
+ * given reader into the given message object.
+ * @param {!proto.NewEvalMessage} msg The message object to deserialize into.
+ * @param {!jspb.BinaryReader} reader The BinaryReader to use.
+ * @return {!proto.NewEvalMessage}
+ */
+proto.NewEvalMessage.deserializeBinaryFromReader = function(msg, reader) {
+  while (reader.nextField()) {
+    if (reader.isEndGroup()) {
+      break;
+    }
+    var field = reader.getFieldNumber();
+    switch (field) {
+    case 1:
+      var value = /** @type {number} */ (reader.readUint64());
+      msg.setId(value);
+      break;
+    case 2:
+      var value = /** @type {string} */ (reader.readString());
+      msg.setFunction(value);
+      break;
+    case 3:
+      var value = /** @type {string} */ (reader.readString());
+      msg.getArgsList().push(value);
+      msg.setArgsList(msg.getArgsList());
+      break;
+    case 4:
+      var value = /** @type {number} */ (reader.readUint32());
+      msg.setTimeout(value);
+      break;
+    default:
+      reader.skipField();
+      break;
+    }
+  }
+  return msg;
+};
+
+
+/**
+ * Class method variant: serializes the given message to binary data
+ * (in protobuf wire format), writing to the given BinaryWriter.
+ * @param {!proto.NewEvalMessage} message
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.NewEvalMessage.serializeBinaryToWriter = function(message, writer) {
+  message.serializeBinaryToWriter(writer);
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format).
+ * @return {!Uint8Array}
+ */
+proto.NewEvalMessage.prototype.serializeBinary = function() {
+  var writer = new jspb.BinaryWriter();
+  this.serializeBinaryToWriter(writer);
+  return writer.getResultBuffer();
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format),
+ * writing to the given BinaryWriter.
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.NewEvalMessage.prototype.serializeBinaryToWriter = function (writer) {
+  var f = undefined;
+  f = this.getId();
+  if (f !== 0) {
+    writer.writeUint64(
+      1,
+      f
+    );
+  }
+  f = this.getFunction();
+  if (f.length > 0) {
+    writer.writeString(
+      2,
+      f
+    );
+  }
+  f = this.getArgsList();
+  if (f.length > 0) {
+    writer.writeRepeatedString(
+      3,
+      f
+    );
+  }
+  f = this.getTimeout();
+  if (f !== 0) {
+    writer.writeUint32(
+      4,
+      f
+    );
+  }
+};
+
+
+/**
+ * Creates a deep clone of this proto. No data is shared with the original.
+ * @return {!proto.NewEvalMessage} The clone.
+ */
+proto.NewEvalMessage.prototype.cloneMessage = function() {
+  return /** @type {!proto.NewEvalMessage} */ (jspb.Message.cloneMessage(this));
+};
+
+
+/**
+ * optional uint64 id = 1;
+ * @return {number}
+ */
+proto.NewEvalMessage.prototype.getId = function() {
+  return /** @type {number} */ (jspb.Message.getFieldProto3(this, 1, 0));
+};
+
+
+/** @param {number} value  */
+proto.NewEvalMessage.prototype.setId = function(value) {
+  jspb.Message.setField(this, 1, value);
+};
+
+
+/**
+ * optional string function = 2;
+ * @return {string}
+ */
+proto.NewEvalMessage.prototype.getFunction = function() {
+  return /** @type {string} */ (jspb.Message.getFieldProto3(this, 2, ""));
+};
+
+
+/** @param {string} value  */
+proto.NewEvalMessage.prototype.setFunction = function(value) {
+  jspb.Message.setField(this, 2, value);
+};
+
+
+/**
+ * repeated string args = 3;
+ * If you change this array by adding, removing or replacing elements, or if you
+ * replace the array itself, then you must call the setter to update it.
+ * @return {!Array.<string>}
+ */
+proto.NewEvalMessage.prototype.getArgsList = function() {
+  return /** @type {!Array.<string>} */ (jspb.Message.getField(this, 3));
+};
+
+
+/** @param {Array.<string>} value  */
+proto.NewEvalMessage.prototype.setArgsList = function(value) {
+  jspb.Message.setField(this, 3, value || []);
+};
+
+
+proto.NewEvalMessage.prototype.clearArgsList = function() {
+  jspb.Message.setField(this, 3, []);
+};
+
+
+/**
+ * optional uint32 timeout = 4;
+ * @return {number}
+ */
+proto.NewEvalMessage.prototype.getTimeout = function() {
+  return /** @type {number} */ (jspb.Message.getFieldProto3(this, 4, 0));
+};
+
+
+/** @param {number} value  */
+proto.NewEvalMessage.prototype.setTimeout = function(value) {
+  jspb.Message.setField(this, 4, value);
+};
+
+
+
+/**
+ * Generated by JsPbCodeGenerator.
+ * @param {Array=} opt_data Optional initial data array, typically from a
+ * server response, or constructed directly in Javascript. The array is used
+ * in place and becomes part of the constructed object. It is not cloned.
+ * If no data is provided, the constructed object will be empty, but still
+ * valid.
+ * @extends {jspb.Message}
+ * @constructor
+ */
+proto.EvalFailedMessage = function(opt_data) {
+  jspb.Message.initialize(this, opt_data, 0, -1, null, null);
+};
+goog.inherits(proto.EvalFailedMessage, jspb.Message);
+if (goog.DEBUG && !COMPILED) {
+  proto.EvalFailedMessage.displayName = 'proto.EvalFailedMessage';
+}
+
+
+if (jspb.Message.GENERATE_TO_OBJECT) {
+/**
+ * Creates an object representation of this proto suitable for use in Soy templates.
+ * Field names that are reserved in JavaScript and will be renamed to pb_name.
+ * To access a reserved field use, foo.pb_<name>, eg, foo.pb_default.
+ * For the list of reserved names please see:
+ *     com.google.apps.jspb.JsClassTemplate.JS_RESERVED_WORDS.
+ * @param {boolean=} opt_includeInstance Whether to include the JSPB instance
+ *     for transitional soy proto support: http://goto/soy-param-migration
+ * @return {!Object}
+ */
+proto.EvalFailedMessage.prototype.toObject = function(opt_includeInstance) {
+  return proto.EvalFailedMessage.toObject(opt_includeInstance, this);
+};
+
+
+/**
+ * Static version of the {@see toObject} method.
+ * @param {boolean|undefined} includeInstance Whether to include the JSPB
+ *     instance for transitional soy proto support:
+ *     http://goto/soy-param-migration
+ * @param {!proto.EvalFailedMessage} msg The msg instance to transform.
+ * @return {!Object}
+ */
+proto.EvalFailedMessage.toObject = function(includeInstance, msg) {
+  var f, obj = {
+    id: msg.getId(),
+    reason: msg.getReason(),
+    message: msg.getMessage()
+  };
+
+  if (includeInstance) {
+    obj.$jspbMessageInstance = msg;
+  }
+  return obj;
+};
+}
+
+
+/**
+ * Deserializes binary data (in protobuf wire format).
+ * @param {jspb.ByteSource} bytes The bytes to deserialize.
+ * @return {!proto.EvalFailedMessage}
+ */
+proto.EvalFailedMessage.deserializeBinary = function(bytes) {
+  var reader = new jspb.BinaryReader(bytes);
+  var msg = new proto.EvalFailedMessage;
+  return proto.EvalFailedMessage.deserializeBinaryFromReader(msg, reader);
+};
+
+
+/**
+ * Deserializes binary data (in protobuf wire format) from the
+ * given reader into the given message object.
+ * @param {!proto.EvalFailedMessage} msg The message object to deserialize into.
+ * @param {!jspb.BinaryReader} reader The BinaryReader to use.
+ * @return {!proto.EvalFailedMessage}
+ */
+proto.EvalFailedMessage.deserializeBinaryFromReader = function(msg, reader) {
+  while (reader.nextField()) {
+    if (reader.isEndGroup()) {
+      break;
+    }
+    var field = reader.getFieldNumber();
+    switch (field) {
+    case 1:
+      var value = /** @type {number} */ (reader.readUint64());
+      msg.setId(value);
+      break;
+    case 2:
+      var value = /** @type {!proto.EvalFailedMessage.Reason} */ (reader.readEnum());
+      msg.setReason(value);
+      break;
+    case 3:
+      var value = /** @type {string} */ (reader.readString());
+      msg.setMessage(value);
+      break;
+    default:
+      reader.skipField();
+      break;
+    }
+  }
+  return msg;
+};
+
+
+/**
+ * Class method variant: serializes the given message to binary data
+ * (in protobuf wire format), writing to the given BinaryWriter.
+ * @param {!proto.EvalFailedMessage} message
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.EvalFailedMessage.serializeBinaryToWriter = function(message, writer) {
+  message.serializeBinaryToWriter(writer);
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format).
+ * @return {!Uint8Array}
+ */
+proto.EvalFailedMessage.prototype.serializeBinary = function() {
+  var writer = new jspb.BinaryWriter();
+  this.serializeBinaryToWriter(writer);
+  return writer.getResultBuffer();
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format),
+ * writing to the given BinaryWriter.
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.EvalFailedMessage.prototype.serializeBinaryToWriter = function (writer) {
+  var f = undefined;
+  f = this.getId();
+  if (f !== 0) {
+    writer.writeUint64(
+      1,
+      f
+    );
+  }
+  f = this.getReason();
+  if (f !== 0.0) {
+    writer.writeEnum(
+      2,
+      f
+    );
+  }
+  f = this.getMessage();
+  if (f.length > 0) {
+    writer.writeString(
+      3,
+      f
+    );
+  }
+};
+
+
+/**
+ * Creates a deep clone of this proto. No data is shared with the original.
+ * @return {!proto.EvalFailedMessage} The clone.
+ */
+proto.EvalFailedMessage.prototype.cloneMessage = function() {
+  return /** @type {!proto.EvalFailedMessage} */ (jspb.Message.cloneMessage(this));
+};
+
+
+/**
+ * optional uint64 id = 1;
+ * @return {number}
+ */
+proto.EvalFailedMessage.prototype.getId = function() {
+  return /** @type {number} */ (jspb.Message.getFieldProto3(this, 1, 0));
+};
+
+
+/** @param {number} value  */
+proto.EvalFailedMessage.prototype.setId = function(value) {
+  jspb.Message.setField(this, 1, value);
+};
+
+
+/**
+ * optional Reason reason = 2;
+ * @return {!proto.EvalFailedMessage.Reason}
+ */
+proto.EvalFailedMessage.prototype.getReason = function() {
+  return /** @type {!proto.EvalFailedMessage.Reason} */ (jspb.Message.getFieldProto3(this, 2, 0));
+};
+
+
+/** @param {!proto.EvalFailedMessage.Reason} value  */
+proto.EvalFailedMessage.prototype.setReason = function(value) {
+  jspb.Message.setField(this, 2, value);
+};
+
+
+/**
+ * optional string message = 3;
+ * @return {string}
+ */
+proto.EvalFailedMessage.prototype.getMessage = function() {
+  return /** @type {string} */ (jspb.Message.getFieldProto3(this, 3, ""));
+};
+
+
+/** @param {string} value  */
+proto.EvalFailedMessage.prototype.setMessage = function(value) {
+  jspb.Message.setField(this, 3, value);
+};
+
+
+/**
+ * @enum {number}
+ */
+proto.EvalFailedMessage.Reason = {
+  TIMEOUT: 0,
+  EXCEPTION: 1,
+  CONFLICT: 2
+};
+
+
+/**
+ * Generated by JsPbCodeGenerator.
+ * @param {Array=} opt_data Optional initial data array, typically from a
+ * server response, or constructed directly in Javascript. The array is used
+ * in place and becomes part of the constructed object. It is not cloned.
+ * If no data is provided, the constructed object will be empty, but still
+ * valid.
+ * @extends {jspb.Message}
+ * @constructor
+ */
+proto.EvalDoneMessage = function(opt_data) {
+  jspb.Message.initialize(this, opt_data, 0, -1, null, null);
+};
+goog.inherits(proto.EvalDoneMessage, jspb.Message);
+if (goog.DEBUG && !COMPILED) {
+  proto.EvalDoneMessage.displayName = 'proto.EvalDoneMessage';
+}
+
+
+if (jspb.Message.GENERATE_TO_OBJECT) {
+/**
+ * Creates an object representation of this proto suitable for use in Soy templates.
+ * Field names that are reserved in JavaScript and will be renamed to pb_name.
+ * To access a reserved field use, foo.pb_<name>, eg, foo.pb_default.
+ * For the list of reserved names please see:
+ *     com.google.apps.jspb.JsClassTemplate.JS_RESERVED_WORDS.
+ * @param {boolean=} opt_includeInstance Whether to include the JSPB instance
+ *     for transitional soy proto support: http://goto/soy-param-migration
+ * @return {!Object}
+ */
+proto.EvalDoneMessage.prototype.toObject = function(opt_includeInstance) {
+  return proto.EvalDoneMessage.toObject(opt_includeInstance, this);
+};
+
+
+/**
+ * Static version of the {@see toObject} method.
+ * @param {boolean|undefined} includeInstance Whether to include the JSPB
+ *     instance for transitional soy proto support:
+ *     http://goto/soy-param-migration
+ * @param {!proto.EvalDoneMessage} msg The msg instance to transform.
+ * @return {!Object}
+ */
+proto.EvalDoneMessage.toObject = function(includeInstance, msg) {
+  var f, obj = {
+    id: msg.getId(),
+    response: (f = msg.getResponse()) && proto.TypedValue.toObject(includeInstance, f)
+  };
+
+  if (includeInstance) {
+    obj.$jspbMessageInstance = msg;
+  }
+  return obj;
+};
+}
+
+
+/**
+ * Deserializes binary data (in protobuf wire format).
+ * @param {jspb.ByteSource} bytes The bytes to deserialize.
+ * @return {!proto.EvalDoneMessage}
+ */
+proto.EvalDoneMessage.deserializeBinary = function(bytes) {
+  var reader = new jspb.BinaryReader(bytes);
+  var msg = new proto.EvalDoneMessage;
+  return proto.EvalDoneMessage.deserializeBinaryFromReader(msg, reader);
+};
+
+
+/**
+ * Deserializes binary data (in protobuf wire format) from the
+ * given reader into the given message object.
+ * @param {!proto.EvalDoneMessage} msg The message object to deserialize into.
+ * @param {!jspb.BinaryReader} reader The BinaryReader to use.
+ * @return {!proto.EvalDoneMessage}
+ */
+proto.EvalDoneMessage.deserializeBinaryFromReader = function(msg, reader) {
+  while (reader.nextField()) {
+    if (reader.isEndGroup()) {
+      break;
+    }
+    var field = reader.getFieldNumber();
+    switch (field) {
+    case 1:
+      var value = /** @type {number} */ (reader.readUint64());
+      msg.setId(value);
+      break;
+    case 2:
+      var value = new proto.TypedValue;
+      reader.readMessage(value,proto.TypedValue.deserializeBinaryFromReader);
+      msg.setResponse(value);
+      break;
+    default:
+      reader.skipField();
+      break;
+    }
+  }
+  return msg;
+};
+
+
+/**
+ * Class method variant: serializes the given message to binary data
+ * (in protobuf wire format), writing to the given BinaryWriter.
+ * @param {!proto.EvalDoneMessage} message
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.EvalDoneMessage.serializeBinaryToWriter = function(message, writer) {
+  message.serializeBinaryToWriter(writer);
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format).
+ * @return {!Uint8Array}
+ */
+proto.EvalDoneMessage.prototype.serializeBinary = function() {
+  var writer = new jspb.BinaryWriter();
+  this.serializeBinaryToWriter(writer);
+  return writer.getResultBuffer();
+};
+
+
+/**
+ * Serializes the message to binary data (in protobuf wire format),
+ * writing to the given BinaryWriter.
+ * @param {!jspb.BinaryWriter} writer
+ */
+proto.EvalDoneMessage.prototype.serializeBinaryToWriter = function (writer) {
+  var f = undefined;
+  f = this.getId();
+  if (f !== 0) {
+    writer.writeUint64(
+      1,
+      f
+    );
+  }
+  f = this.getResponse();
+  if (f != null) {
+    writer.writeMessage(
+      2,
+      f,
+      proto.TypedValue.serializeBinaryToWriter
+    );
+  }
+};
+
+
+/**
+ * Creates a deep clone of this proto. No data is shared with the original.
+ * @return {!proto.EvalDoneMessage} The clone.
+ */
+proto.EvalDoneMessage.prototype.cloneMessage = function() {
+  return /** @type {!proto.EvalDoneMessage} */ (jspb.Message.cloneMessage(this));
+};
+
+
+/**
+ * optional uint64 id = 1;
+ * @return {number}
+ */
+proto.EvalDoneMessage.prototype.getId = function() {
+  return /** @type {number} */ (jspb.Message.getFieldProto3(this, 1, 0));
+};
+
+
+/** @param {number} value  */
+proto.EvalDoneMessage.prototype.setId = function(value) {
+  jspb.Message.setField(this, 1, value);
+};
+
+
+/**
+ * optional TypedValue response = 2;
+ * @return {proto.TypedValue}
+ */
+proto.EvalDoneMessage.prototype.getResponse = function() {
+  return /** @type{proto.TypedValue} */ (
+    jspb.Message.getWrapperField(this, proto.TypedValue, 2));
+};
+
+
+/** @param {proto.TypedValue|undefined} value  */
+proto.EvalDoneMessage.prototype.setResponse = function(value) {
+  jspb.Message.setWrapperField(this, 2, value);
+};
+
+
+proto.EvalDoneMessage.prototype.clearResponse = function() {
+  this.setResponse(undefined);
+};
+
+
+/**
+ * Returns whether this field is set.
+ * @return{!boolean}
+ */
+proto.EvalDoneMessage.prototype.hasResponse = function() {
+  return jspb.Message.getField(this, 2) != null;
+};
+
+
+goog.object.extend(exports, proto);

packages/server/test/evaluate.test.ts

@@ -0,0 +1,39 @@
+import { createClient } from "./helpers";
+
+describe("Evaluate", () => {
+	const client = createClient();
+
+	it("should transfer string", async () => {
+		const value = await client.evaluate(function () {
+			return "hi";
+		});
+		
+		expect(value).toEqual("hi");
+	}, 100);
+
+	it("should compute from object", async () => {
+		const value = await client.evaluate((arg) => {
+			return arg.bananas * 2;
+		}, { bananas: 1 });
+		
+		expect(value).toEqual(2);
+	}, 100);
+
+	it("should transfer object", async () => {
+		const value = await client.evaluate(() => {
+			return { alpha: "beta" };
+		});
+		
+		expect(value.alpha).toEqual("beta");
+	}, 100);
+
+	it("should require", async () => {
+		const value = await client.evaluate(() => {
+			const fs = require("fs") as typeof import("fs");
+		
+			return Object.keys(fs).filter((f) => f === "readFileSync");
+		});
+
+		expect(value[0]).toEqual("readFileSync");
+	}, 100);
+});

packages/server/test/helpers.ts

@@ -0,0 +1,28 @@
+import { Emitter } from "@coder/events";
+import { Client } from "../src/browser/client";
+import { Server } from "../src/node/server";
+
+export const createClient = (): Client => {
+    const s2c = new Emitter<Uint8Array | Buffer>();
+    const c2s = new Emitter<Uint8Array | Buffer>();
+
+    new Server({
+        close: () => undefined,
+        onClose: () => undefined,
+        onMessage: (cb) => {
+            c2s.event((d) => cb(d));
+        },
+        send: (data) => setTimeout(() => s2c.emit(data), 0),
+    });
+
+    const client = new Client({
+        close: () => undefined,
+        onClose: () => undefined,
+        onMessage: (cb) => {
+            s2c.event((d) => cb(d));
+        },
+        send: (data) => setTimeout(() => c2s.emit(data), 0),
+    });
+
+    return client;
+};

packages/server/yarn.lock

@@ -0,0 +1,437 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@types/body-parser@*":
+  version "1.17.0"
+  resolved "https://registry.yarnpkg.com/@types/body-parser/-/body-parser-1.17.0.tgz#9f5c9d9bd04bb54be32d5eb9fc0d8c974e6cf58c"
+  integrity sha512-a2+YeUjPkztKJu5aIF2yArYFQQp8d51wZ7DavSHjFuY1mqVgidGyzEQ41JIVNy82fXj8yPgy2vJmfIywgESW6w==
+  dependencies:
+    "@types/connect" "*"
+    "@types/node" "*"
+
+"@types/connect@*":
+  version "3.4.32"
+  resolved "https://registry.yarnpkg.com/@types/connect/-/connect-3.4.32.tgz#aa0e9616b9435ccad02bc52b5b454ffc2c70ba28"
+  integrity sha512-4r8qa0quOvh7lGD0pre62CAb1oni1OO6ecJLGCezTmhQ8Fz50Arx9RUszryR8KlgK6avuSXvviL6yWyViQABOg==
+  dependencies:
+    "@types/node" "*"
+
+"@types/events@*":
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/@types/events/-/events-1.2.0.tgz#81a6731ce4df43619e5c8c945383b3e62a89ea86"
+  integrity sha512-KEIlhXnIutzKwRbQkGWb/I4HFqBuUykAdHgDED6xqwXJfONCjF5VoE0cXEiurh3XauygxzeDzgtXUqvLkxFzzA==
+
+"@types/express-serve-static-core@*":
+  version "4.16.0"
+  resolved "https://registry.yarnpkg.com/@types/express-serve-static-core/-/express-serve-static-core-4.16.0.tgz#fdfe777594ddc1fe8eb8eccce52e261b496e43e7"
+  integrity sha512-lTeoCu5NxJU4OD9moCgm0ESZzweAx0YqsAcab6OB0EB3+As1OaHtKnaGJvcngQxYsi9UNv0abn4/DRavrRxt4w==
+  dependencies:
+    "@types/events" "*"
+    "@types/node" "*"
+    "@types/range-parser" "*"
+
+"@types/express@^4.16.0":
+  version "4.16.0"
+  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.16.0.tgz#6d8bc42ccaa6f35cf29a2b7c3333cb47b5a32a19"
+  integrity sha512-TtPEYumsmSTtTetAPXlJVf3kEqb6wZK0bZojpJQrnD/djV4q1oB6QQ8aKvKqwNPACoe02GNiy5zDzcYivR5Z2w==
+  dependencies:
+    "@types/body-parser" "*"
+    "@types/express-serve-static-core" "*"
+    "@types/serve-static" "*"
+
+"@types/mime@*":
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/@types/mime/-/mime-2.0.0.tgz#5a7306e367c539b9f6543499de8dd519fac37a8b"
+  integrity sha512-A2TAGbTFdBw9azHbpVd+/FkdW2T6msN1uct1O9bH3vTerEHKZhTXJUQXy+hNq1B0RagfU8U+KBdqiZpxjhOUQA==
+
+"@types/node@*":
+  version "10.12.18"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.12.18.tgz#1d3ca764718915584fcd9f6344621b7672665c67"
+  integrity sha512-fh+pAqt4xRzPfqA6eh3Z2y6fyZavRIumvjhaCL753+TVkGKGhpPeyrJG2JftD0T9q4GF00KjefsQ+PQNDdWQaQ==
+
+"@types/range-parser@*":
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/@types/range-parser/-/range-parser-1.2.3.tgz#7ee330ba7caafb98090bece86a5ee44115904c2c"
+  integrity sha512-ewFXqrQHlFsgc09MK5jP5iR7vumV/BYayNC6PgJO2LPe8vrnNFyjQjSppfEngITi0qvfKtzFvgKymGheFM9UOA==
+
+"@types/serve-static@*":
+  version "1.13.2"
+  resolved "https://registry.yarnpkg.com/@types/serve-static/-/serve-static-1.13.2.tgz#f5ac4d7a6420a99a6a45af4719f4dcd8cd907a48"
+  integrity sha512-/BZ4QRLpH/bNYgZgwhKEh+5AsboDBcUdlBYgzoLX0fpj3Y2gp6EApyOlM3bK53wQS/OE1SrdSYBAbux2D1528Q==
+  dependencies:
+    "@types/express-serve-static-core" "*"
+    "@types/mime" "*"
+
+"@types/ws@^6.0.1":
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/@types/ws/-/ws-6.0.1.tgz#ca7a3f3756aa12f62a0a62145ed14c6db25d5a28"
+  integrity sha512-EzH8k1gyZ4xih/MaZTXwT2xOkPiIMSrhQ9b8wrlX88L0T02eYsddatQlwVFlEPyEqV0ChpdpNnE51QPH6NVT4Q==
+  dependencies:
+    "@types/events" "*"
+    "@types/node" "*"
+
+accepts@~1.3.5:
+  version "1.3.5"
+  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.5.tgz#eb777df6011723a3b14e8a72c0805c8e86746bd2"
+  integrity sha1-63d99gEXI6OxTopywIBcjoZ0a9I=
+  dependencies:
+    mime-types "~2.1.18"
+    negotiator "0.6.1"
+
+array-flatten@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
+  integrity sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=
+
+async-limiter@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"
+  integrity sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==
+
+body-parser@1.18.3:
+  version "1.18.3"
+  resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.18.3.tgz#5b292198ffdd553b3a0f20ded0592b956955c8b4"
+  integrity sha1-WykhmP/dVTs6DyDe0FkrlWlVyLQ=
+  dependencies:
+    bytes "3.0.0"
+    content-type "~1.0.4"
+    debug "2.6.9"
+    depd "~1.1.2"
+    http-errors "~1.6.3"
+    iconv-lite "0.4.23"
+    on-finished "~2.3.0"
+    qs "6.5.2"
+    raw-body "2.3.3"
+    type-is "~1.6.16"
+
+bytes@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
+  integrity sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg=
+
+content-disposition@0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.2.tgz#0cf68bb9ddf5f2be7961c3a85178cb85dba78cb4"
+  integrity sha1-DPaLud318r55YcOoUXjLhdunjLQ=
+
+content-type@~1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
+  integrity sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==
+
+cookie-signature@1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
+  integrity sha1-4wOogrNCzD7oylE6eZmXNNqzriw=
+
+cookie@0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.3.1.tgz#e7e0a1f9ef43b4c8ba925c5c5a96e806d16873bb"
+  integrity sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s=
+
+debug@2.6.9:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+  integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
+  dependencies:
+    ms "2.0.0"
+
+depd@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
+  integrity sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=
+
+destroy@~1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
+  integrity sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=
+
+ee-first@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
+  integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
+
+encodeurl@~1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
+  integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=
+
+escape-html@~1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
+  integrity sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=
+
+etag@~1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
+  integrity sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=
+
+express@^4.16.4:
+  version "4.16.4"
+  resolved "https://registry.yarnpkg.com/express/-/express-4.16.4.tgz#fddef61926109e24c515ea97fd2f1bdbf62df12e"
+  integrity sha512-j12Uuyb4FMrd/qQAm6uCHAkPtO8FDTRJZBDd5D2KOL2eLaz1yUNdUB/NOIyq0iU4q4cFarsUCrnFDPBcnksuOg==
+  dependencies:
+    accepts "~1.3.5"
+    array-flatten "1.1.1"
+    body-parser "1.18.3"
+    content-disposition "0.5.2"
+    content-type "~1.0.4"
+    cookie "0.3.1"
+    cookie-signature "1.0.6"
+    debug "2.6.9"
+    depd "~1.1.2"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    etag "~1.8.1"
+    finalhandler "1.1.1"
+    fresh "0.5.2"
+    merge-descriptors "1.0.1"
+    methods "~1.1.2"
+    on-finished "~2.3.0"
+    parseurl "~1.3.2"
+    path-to-regexp "0.1.7"
+    proxy-addr "~2.0.4"
+    qs "6.5.2"
+    range-parser "~1.2.0"
+    safe-buffer "5.1.2"
+    send "0.16.2"
+    serve-static "1.13.2"
+    setprototypeof "1.1.0"
+    statuses "~1.4.0"
+    type-is "~1.6.16"
+    utils-merge "1.0.1"
+    vary "~1.1.2"
+
+finalhandler@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-1.1.1.tgz#eebf4ed840079c83f4249038c9d703008301b105"
+  integrity sha512-Y1GUDo39ez4aHAw7MysnUD5JzYX+WaIj8I57kO3aEPT1fFRL4sr7mjei97FgnwhAyyzRYmQZaTHb2+9uZ1dPtg==
+  dependencies:
+    debug "2.6.9"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    on-finished "~2.3.0"
+    parseurl "~1.3.2"
+    statuses "~1.4.0"
+    unpipe "~1.0.0"
+
+forwarded@~0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
+  integrity sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ=
+
+fresh@0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
+  integrity sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=
+
+google-protobuf@^3.6.1:
+  version "3.6.1"
+  resolved "https://registry.yarnpkg.com/google-protobuf/-/google-protobuf-3.6.1.tgz#7ef58e2bea137a93cdaf5cfd5afa5f6abdd92025"
+  integrity sha512-SJYemeX5GjDLPnadcmCNQePQHCS4Hl5fOcI/JawqDIYFhCmrtYAjcx/oTQx/Wi8UuCuZQhfvftbmPePPAYHFtA==
+
+http-errors@1.6.3, http-errors@~1.6.2, http-errors@~1.6.3:
+  version "1.6.3"
+  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.6.3.tgz#8b55680bb4be283a0b5bf4ea2e38580be1d9320d"
+  integrity sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=
+  dependencies:
+    depd "~1.1.2"
+    inherits "2.0.3"
+    setprototypeof "1.1.0"
+    statuses ">= 1.4.0 < 2"
+
+iconv-lite@0.4.23:
+  version "0.4.23"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.23.tgz#297871f63be507adcfbfca715d0cd0eed84e9a63"
+  integrity sha512-neyTUVFtahjf0mB3dZT77u+8O0QB89jFdnBkd5P1JgYPbPaia3gXXOVL2fq8VyU2gMMD7SaN7QukTB/pmXYvDA==
+  dependencies:
+    safer-buffer ">= 2.1.2 < 3"
+
+inherits@2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+  integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
+
+ipaddr.js@1.8.0:
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.8.0.tgz#eaa33d6ddd7ace8f7f6fe0c9ca0440e706738b1e"
+  integrity sha1-6qM9bd16zo9/b+DJygRA5wZzix4=
+
+media-typer@0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
+  integrity sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g=
+
+merge-descriptors@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
+  integrity sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E=
+
+methods@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
+  integrity sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=
+
+mime-db@~1.37.0:
+  version "1.37.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.37.0.tgz#0b6a0ce6fdbe9576e25f1f2d2fde8830dc0ad0d8"
+  integrity sha512-R3C4db6bgQhlIhPU48fUtdVmKnflq+hRdad7IyKhtFj06VPNVdk2RhiYL3UjQIlso8L+YxAtFkobT0VK+S/ybg==
+
+mime-types@~2.1.18:
+  version "2.1.21"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.21.tgz#28995aa1ecb770742fe6ae7e58f9181c744b3f96"
+  integrity sha512-3iL6DbwpyLzjR3xHSFNFeb9Nz/M8WDkX33t1GFQnFOllWk8pOrh/LSrB5OXlnlW5P9LH73X6loW/eogc+F5lJg==
+  dependencies:
+    mime-db "~1.37.0"
+
+mime@1.4.1:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-1.4.1.tgz#121f9ebc49e3766f311a76e1fa1c8003c4b03aa6"
+  integrity sha512-KI1+qOZu5DcW6wayYHSzR/tXKCDC5Om4s1z2QJjDULzLcmf3DvzS7oluY4HCTrc+9FiKmWUgeNLg7W3uIQvxtQ==
+
+ms@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
+  integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
+
+negotiator@0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
+  integrity sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk=
+
+on-finished@~2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
+  integrity sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=
+  dependencies:
+    ee-first "1.1.1"
+
+parseurl@~1.3.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.2.tgz#fc289d4ed8993119460c156253262cdc8de65bf3"
+  integrity sha1-/CidTtiZMRlGDBViUyYs3I3mW/M=
+
+path-to-regexp@0.1.7:
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-0.1.7.tgz#df604178005f522f15eb4490e7247a1bfaa67f8c"
+  integrity sha1-32BBeABfUi8V60SQ5yR6G/qmf4w=
+
+proxy-addr@~2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-2.0.4.tgz#ecfc733bf22ff8c6f407fa275327b9ab67e48b93"
+  integrity sha512-5erio2h9jp5CHGwcybmxmVqHmnCBZeewlfJ0pex+UW7Qny7OOZXTtH56TGNyBizkgiOwhJtMKrVzDTeKcySZwA==
+  dependencies:
+    forwarded "~0.1.2"
+    ipaddr.js "1.8.0"
+
+qs@6.5.2:
+  version "6.5.2"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
+  integrity sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==
+
+range-parser@~1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.0.tgz#f49be6b487894ddc40dcc94a322f611092e00d5e"
+  integrity sha1-9JvmtIeJTdxA3MlKMi9hEJLgDV4=
+
+raw-body@2.3.3:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-2.3.3.tgz#1b324ece6b5706e153855bc1148c65bb7f6ea0c3"
+  integrity sha512-9esiElv1BrZoI3rCDuOuKCBRbuApGGaDPQfjSflGxdy4oyzqghxu6klEkkVIvBje+FF0BX9coEv8KqW6X/7njw==
+  dependencies:
+    bytes "3.0.0"
+    http-errors "1.6.3"
+    iconv-lite "0.4.23"
+    unpipe "1.0.0"
+
+safe-buffer@5.1.2:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+  integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
+
+"safer-buffer@>= 2.1.2 < 3":
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
+  integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
+
+send@0.16.2:
+  version "0.16.2"
+  resolved "https://registry.yarnpkg.com/send/-/send-0.16.2.tgz#6ecca1e0f8c156d141597559848df64730a6bbc1"
+  integrity sha512-E64YFPUssFHEFBvpbbjr44NCLtI1AohxQ8ZSiJjQLskAdKuriYEP6VyGEsRDH8ScozGpkaX1BGvhanqCwkcEZw==
+  dependencies:
+    debug "2.6.9"
+    depd "~1.1.2"
+    destroy "~1.0.4"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    etag "~1.8.1"
+    fresh "0.5.2"
+    http-errors "~1.6.2"
+    mime "1.4.1"
+    ms "2.0.0"
+    on-finished "~2.3.0"
+    range-parser "~1.2.0"
+    statuses "~1.4.0"
+
+serve-static@1.13.2:
+  version "1.13.2"
+  resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.13.2.tgz#095e8472fd5b46237db50ce486a43f4b86c6cec1"
+  integrity sha512-p/tdJrO4U387R9oMjb1oj7qSMaMfmOyd4j9hOFoxZe2baQszgHcSWjuya/CiT5kgZZKRudHNOA0pYXOl8rQ5nw==
+  dependencies:
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    parseurl "~1.3.2"
+    send "0.16.2"
+
+setprototypeof@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.1.0.tgz#d0bd85536887b6fe7c0d818cb962d9d91c54e656"
+  integrity sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ==
+
+"statuses@>= 1.4.0 < 2":
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"
+  integrity sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=
+
+statuses@~1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.4.0.tgz#bb73d446da2796106efcc1b601a253d6c46bd087"
+  integrity sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew==
+
+ts-protoc-gen@^0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/ts-protoc-gen/-/ts-protoc-gen-0.8.0.tgz#2a9a31ee8a4d4760c484f1d0c7199633afaa5e3e"
+  integrity sha512-LUFM4Jy3qMSVyRf5ql973cJjltS98MiCz8kPf1Rc9AC9BeLu0WJfoHLf0Tvx2cGH0jSK9BpA0o1tHQQfjeO47Q==
+  dependencies:
+    google-protobuf "^3.6.1"
+
+type-is@~1.6.16:
+  version "1.6.16"
+  resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.16.tgz#f89ce341541c672b25ee7ae3c73dee3b2be50194"
+  integrity sha512-HRkVv/5qY2G6I8iab9cI7v1bOIdhm94dVjQCPFElW9W+3GeDOSHmy2EBYe4VTApuzolPcmgFTN3ftVJRKR2J9Q==
+  dependencies:
+    media-typer "0.3.0"
+    mime-types "~2.1.18"
+
+unpipe@1.0.0, unpipe@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
+  integrity sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=
+
+utils-merge@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
+  integrity sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=
+
+vary@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
+  integrity sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=
+
+ws@^6.1.2:
+  version "6.1.2"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-6.1.2.tgz#3cc7462e98792f0ac679424148903ded3b9c3ad8"
+  integrity sha512-rfUqzvz0WxmSXtJpPMX2EeASXabOrSMk1ruMOV3JBTBjo4ac2lDjGGsbQSyxj8Odhw5fBib8ZKEjDNvgouNKYw==
+  dependencies:
+    async-limiter "~1.0.0"