diff --git a/js/console_test.ts b/js/console_test.ts
index 99a890e01c..cbfbdb52a8 100644
--- a/js/console_test.ts
+++ b/js/console_test.ts
@@ -111,8 +111,8 @@ test(function consoleTestStringifyWithDepth() {
 
 test(function consoleTestError() {
   class MyError extends Error {
-    constructor(msg: string) {
-      super(msg);
+    constructor(errStr: string) {
+      super(errStr);
       this.name = "MyError";
     }
   }
diff --git a/js/copy_file.ts b/js/copy_file.ts
index 46d1ec18ed..1af336974e 100644
--- a/js/copy_file.ts
+++ b/js/copy_file.ts
@@ -1,5 +1,5 @@
 // Copyright 2018 the Deno authors. All rights reserved. MIT license.
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 import { flatbuffers } from "flatbuffers";
 import * as dispatch from "./dispatch";
 
@@ -34,13 +34,13 @@ export async function copyFile(from: string, to: string): Promise<void> {
 function req(
   from: string,
   to: string
-): [flatbuffers.Builder, fbs.Any, flatbuffers.Offset] {
+): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
   const builder = new flatbuffers.Builder();
   const from_ = builder.createString(from);
   const to_ = builder.createString(to);
-  fbs.CopyFile.startCopyFile(builder);
-  fbs.CopyFile.addFrom(builder, from_);
-  fbs.CopyFile.addTo(builder, to_);
-  const inner = fbs.CopyFile.endCopyFile(builder);
-  return [builder, fbs.Any.CopyFile, inner];
+  msg.CopyFile.startCopyFile(builder);
+  msg.CopyFile.addFrom(builder, from_);
+  msg.CopyFile.addTo(builder, to_);
+  const inner = msg.CopyFile.endCopyFile(builder);
+  return [builder, msg.Any.CopyFile, inner];
 }
diff --git a/js/dispatch.ts b/js/dispatch.ts
index 3f5d1453a1..1a8b4d2e0d 100644
--- a/js/dispatch.ts
+++ b/js/dispatch.ts
@@ -1,13 +1,13 @@
 // Copyright 2018 the Deno authors. All rights reserved. MIT license.
 import { libdeno } from "./libdeno";
 import { flatbuffers } from "flatbuffers";
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 import * as errors from "./errors";
 import * as util from "./util";
 import { maybePushTrace } from "./trace";
 
 let nextCmdId = 0;
-const promiseTable = new Map<number, util.Resolvable<fbs.Base>>();
+const promiseTable = new Map<number, util.Resolvable<msg.Base>>();
 
 let fireTimers: () => void;
 
@@ -20,7 +20,7 @@ export function handleAsyncMsgFromRust(ui8: Uint8Array) {
   // did not receive a message.
   if (ui8.length) {
     const bb = new flatbuffers.ByteBuffer(ui8);
-    const base = fbs.Base.getRootAsBase(bb);
+    const base = msg.Base.getRootAsBase(bb);
     const cmdId = base.cmdId();
     const promise = promiseTable.get(cmdId);
     util.assert(promise != null, `Expecting promise in table. ${cmdId}`);
@@ -39,14 +39,14 @@ export function handleAsyncMsgFromRust(ui8: Uint8Array) {
 // @internal
 export function sendAsync(
   builder: flatbuffers.Builder,
-  innerType: fbs.Any,
+  innerType: msg.Any,
   inner: flatbuffers.Offset,
   data?: ArrayBufferView
-): Promise<fbs.Base> {
+): Promise<msg.Base> {
   maybePushTrace(innerType, false); // add to trace if tracing
   const [cmdId, resBuf] = sendInternal(builder, innerType, inner, data, false);
   util.assert(resBuf == null);
-  const promise = util.createResolvable<fbs.Base>();
+  const promise = util.createResolvable<msg.Base>();
   promiseTable.set(cmdId, promise);
   return promise;
 }
@@ -54,10 +54,10 @@ export function sendAsync(
 // @internal
 export function sendSync(
   builder: flatbuffers.Builder,
-  innerType: fbs.Any,
+  innerType: msg.Any,
   inner: flatbuffers.Offset,
   data?: ArrayBufferView
-): null | fbs.Base {
+): null | msg.Base {
   maybePushTrace(innerType, true); // add to trace if tracing
   const [cmdId, resBuf] = sendInternal(builder, innerType, inner, data, true);
   util.assert(cmdId >= 0);
@@ -66,7 +66,7 @@ export function sendSync(
   } else {
     const u8 = new Uint8Array(resBuf!);
     const bb = new flatbuffers.ByteBuffer(u8);
-    const baseRes = fbs.Base.getRootAsBase(bb);
+    const baseRes = msg.Base.getRootAsBase(bb);
     errors.maybeThrowError(baseRes);
     return baseRes;
   }
@@ -74,18 +74,18 @@ export function sendSync(
 
 function sendInternal(
   builder: flatbuffers.Builder,
-  innerType: fbs.Any,
+  innerType: msg.Any,
   inner: flatbuffers.Offset,
   data: undefined | ArrayBufferView,
   sync = true
 ): [number, null | Uint8Array] {
   const cmdId = nextCmdId++;
-  fbs.Base.startBase(builder);
-  fbs.Base.addInner(builder, inner);
-  fbs.Base.addInnerType(builder, innerType);
-  fbs.Base.addSync(builder, sync);
-  fbs.Base.addCmdId(builder, cmdId);
-  builder.finish(fbs.Base.endBase(builder));
+  msg.Base.startBase(builder);
+  msg.Base.addInner(builder, inner);
+  msg.Base.addInnerType(builder, innerType);
+  msg.Base.addSync(builder, sync);
+  msg.Base.addCmdId(builder, cmdId);
+  builder.finish(msg.Base.endBase(builder));
 
   return [cmdId, libdeno.send(builder.asUint8Array(), data)];
 }
diff --git a/js/errors.ts b/js/errors.ts
index d0254ef65f..72fc5f23b4 100644
--- a/js/errors.ts
+++ b/js/errors.ts
@@ -1,25 +1,25 @@
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 export { ErrorKind } from "gen/msg_generated";
 
 // @internal
-export class DenoError<T extends fbs.ErrorKind> extends Error {
-  constructor(readonly kind: T, msg: string) {
-    super(msg);
-    this.name = fbs.ErrorKind[kind];
+export class DenoError<T extends msg.ErrorKind> extends Error {
+  constructor(readonly kind: T, errStr: string) {
+    super(errStr);
+    this.name = msg.ErrorKind[kind];
   }
 }
 
 // @internal
-export function maybeThrowError(base: fbs.Base): void {
+export function maybeThrowError(base: msg.Base): void {
   const err = maybeError(base);
   if (err != null) {
     throw err;
   }
 }
 
-export function maybeError(base: fbs.Base): null | DenoError<fbs.ErrorKind> {
+export function maybeError(base: msg.Base): null | DenoError<msg.ErrorKind> {
   const kind = base.errorKind();
-  if (kind === fbs.ErrorKind.NoError) {
+  if (kind === msg.ErrorKind.NoError) {
     return null;
   } else {
     return new DenoError(kind, base.error()!);
diff --git a/js/fetch.ts b/js/fetch.ts
index 138454156b..b303e6710b 100644
--- a/js/fetch.ts
+++ b/js/fetch.ts
@@ -9,7 +9,7 @@ import {
 } from "./util";
 import { flatbuffers } from "flatbuffers";
 import { sendAsync } from "./dispatch";
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 import {
   Headers,
   Request,
@@ -170,7 +170,7 @@ class FetchResponse implements Response {
   onHeader?: (res: FetchResponse) => void;
   onError?: (error: Error) => void;
 
-  onMsg(base: fbs.Base) {
+  onMsg(base: msg.Base) {
     /*
     const error = base.error();
     if (error != null) {
@@ -196,17 +196,17 @@ export async function fetch(
   // Send FetchReq message
   const builder = new flatbuffers.Builder();
   const url_ = builder.createString(url);
-  fbs.FetchReq.startFetchReq(builder);
-  fbs.FetchReq.addUrl(builder, url_);
+  msg.FetchReq.startFetchReq(builder);
+  msg.FetchReq.addUrl(builder, url_);
   const resBase = await sendAsync(
     builder,
-    fbs.Any.FetchReq,
-    fbs.FetchReq.endFetchReq(builder)
+    msg.Any.FetchReq,
+    msg.FetchReq.endFetchReq(builder)
   );
 
   // Decode FetchRes
-  assert(fbs.Any.FetchRes === resBase.innerType());
-  const inner = new fbs.FetchRes();
+  assert(msg.Any.FetchRes === resBase.innerType());
+  const inner = new msg.FetchRes();
   assert(resBase.inner(inner) != null);
 
   const status = inner.status();
diff --git a/js/fileinfo.ts b/js/fileinfo.ts
index 102bafb91b..00e68ac91b 100644
--- a/js/fileinfo.ts
+++ b/js/fileinfo.ts
@@ -1,5 +1,5 @@
 // Copyright 2018 the Deno authors. All rights reserved. MIT license.
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 
 /**
  * A FileInfo describes a file and is returned by `stat`, `lstat`,
@@ -73,7 +73,7 @@ export class FileInfoImpl implements FileInfo {
   path: string | null;
 
   /* @internal */
-  constructor(private _inner: fbs.StatRes) {
+  constructor(private _inner: msg.StatRes) {
     const modified = this._inner.modified().toFloat64();
     const accessed = this._inner.accessed().toFloat64();
     const created = this._inner.created().toFloat64();
diff --git a/js/files.ts b/js/files.ts
index e0c9a10ce9..a23ce47450 100644
--- a/js/files.ts
+++ b/js/files.ts
@@ -2,7 +2,7 @@
 
 import { Reader, Writer, Closer, ReadResult } from "./io";
 import * as dispatch from "./dispatch";
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 import { assert } from "./util";
 import { flatbuffers } from "flatbuffers";
 
@@ -39,13 +39,13 @@ export async function open(
 ): Promise<File> {
   const builder = new flatbuffers.Builder();
   const filename_ = builder.createString(filename);
-  fbs.Open.startOpen(builder);
-  fbs.Open.addFilename(builder, filename_);
-  const inner = fbs.Open.endOpen(builder);
-  const baseRes = await dispatch.sendAsync(builder, fbs.Any.Open, inner);
+  msg.Open.startOpen(builder);
+  msg.Open.addFilename(builder, filename_);
+  const inner = msg.Open.endOpen(builder);
+  const baseRes = await dispatch.sendAsync(builder, msg.Any.Open, inner);
   assert(baseRes != null);
-  assert(fbs.Any.OpenRes === baseRes!.innerType());
-  const res = new fbs.OpenRes();
+  assert(msg.Any.OpenRes === baseRes!.innerType());
+  const res = new msg.OpenRes();
   assert(baseRes!.inner(res) != null);
   const fd = res.rid();
   return new File(fd);
@@ -56,34 +56,34 @@ export async function read(
   p: ArrayBufferView
 ): Promise<ReadResult> {
   const builder = new flatbuffers.Builder();
-  fbs.Read.startRead(builder);
-  fbs.Read.addRid(builder, fd);
-  const inner = fbs.Read.endRead(builder);
-  const baseRes = await dispatch.sendAsync(builder, fbs.Any.Read, inner, p);
+  msg.Read.startRead(builder);
+  msg.Read.addRid(builder, fd);
+  const inner = msg.Read.endRead(builder);
+  const baseRes = await dispatch.sendAsync(builder, msg.Any.Read, inner, p);
   assert(baseRes != null);
-  assert(fbs.Any.ReadRes === baseRes!.innerType());
-  const res = new fbs.ReadRes();
+  assert(msg.Any.ReadRes === baseRes!.innerType());
+  const res = new msg.ReadRes();
   assert(baseRes!.inner(res) != null);
   return { nread: res.nread(), eof: res.eof() };
 }
 
 export async function write(fd: number, p: ArrayBufferView): Promise<number> {
   const builder = new flatbuffers.Builder();
-  fbs.Write.startWrite(builder);
-  fbs.Write.addRid(builder, fd);
-  const inner = fbs.Write.endWrite(builder);
-  const baseRes = await dispatch.sendAsync(builder, fbs.Any.Write, inner, p);
+  msg.Write.startWrite(builder);
+  msg.Write.addRid(builder, fd);
+  const inner = msg.Write.endWrite(builder);
+  const baseRes = await dispatch.sendAsync(builder, msg.Any.Write, inner, p);
   assert(baseRes != null);
-  assert(fbs.Any.WriteRes === baseRes!.innerType());
-  const res = new fbs.WriteRes();
+  assert(msg.Any.WriteRes === baseRes!.innerType());
+  const res = new msg.WriteRes();
   assert(baseRes!.inner(res) != null);
   return res.nbyte();
 }
 
 export function close(fd: number): void {
   const builder = new flatbuffers.Builder();
-  fbs.Close.startClose(builder);
-  fbs.Close.addRid(builder, fd);
-  const inner = fbs.Close.endClose(builder);
-  dispatch.sendSync(builder, fbs.Any.Close, inner);
+  msg.Close.startClose(builder);
+  msg.Close.addRid(builder, fd);
+  const inner = msg.Close.endClose(builder);
+  dispatch.sendSync(builder, msg.Any.Close, inner);
 }
diff --git a/js/main.ts b/js/main.ts
index 19e82c9d7d..2650371119 100644
--- a/js/main.ts
+++ b/js/main.ts
@@ -1,6 +1,6 @@
 // Copyright 2018 the Deno authors. All rights reserved. MIT license.
 import { flatbuffers } from "flatbuffers";
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 import { assert, log, setLogDebug } from "./util";
 import * as os from "./os";
 import { DenoCompiler } from "./compiler";
@@ -8,14 +8,14 @@ import { libdeno } from "./libdeno";
 import { args } from "./deno";
 import { sendSync, handleAsyncMsgFromRust } from "./dispatch";
 
-function sendStart(): fbs.StartRes {
+function sendStart(): msg.StartRes {
   const builder = new flatbuffers.Builder();
-  fbs.Start.startStart(builder);
-  const startOffset = fbs.Start.endStart(builder);
-  const baseRes = sendSync(builder, fbs.Any.Start, startOffset);
+  msg.Start.startStart(builder);
+  const startOffset = msg.Start.endStart(builder);
+  const baseRes = sendSync(builder, msg.Any.Start, startOffset);
   assert(baseRes != null);
-  assert(fbs.Any.StartRes === baseRes!.innerType());
-  const startRes = new fbs.StartRes();
+  assert(msg.Any.StartRes === baseRes!.innerType());
+  const startRes = new msg.StartRes();
   assert(baseRes!.inner(startRes) != null);
   return startRes;
 }
diff --git a/js/make_temp_dir.ts b/js/make_temp_dir.ts
index 46a4e7c265..8eb878bd3e 100644
--- a/js/make_temp_dir.ts
+++ b/js/make_temp_dir.ts
@@ -1,5 +1,5 @@
 // Copyright 2018 the Deno authors. All rights reserved. MIT license.
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 import { flatbuffers } from "flatbuffers";
 import * as dispatch from "./dispatch";
 import { assert } from "./util";
@@ -44,29 +44,29 @@ function req({
   dir,
   prefix,
   suffix
-}: MakeTempDirOptions): [flatbuffers.Builder, fbs.Any, flatbuffers.Offset] {
+}: MakeTempDirOptions): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
   const builder = new flatbuffers.Builder();
   const fbDir = dir == null ? -1 : builder.createString(dir);
   const fbPrefix = prefix == null ? -1 : builder.createString(prefix);
   const fbSuffix = suffix == null ? -1 : builder.createString(suffix);
-  fbs.MakeTempDir.startMakeTempDir(builder);
+  msg.MakeTempDir.startMakeTempDir(builder);
   if (dir != null) {
-    fbs.MakeTempDir.addDir(builder, fbDir);
+    msg.MakeTempDir.addDir(builder, fbDir);
   }
   if (prefix != null) {
-    fbs.MakeTempDir.addPrefix(builder, fbPrefix);
+    msg.MakeTempDir.addPrefix(builder, fbPrefix);
   }
   if (suffix != null) {
-    fbs.MakeTempDir.addSuffix(builder, fbSuffix);
+    msg.MakeTempDir.addSuffix(builder, fbSuffix);
   }
-  const inner = fbs.MakeTempDir.endMakeTempDir(builder);
-  return [builder, fbs.Any.MakeTempDir, inner];
+  const inner = msg.MakeTempDir.endMakeTempDir(builder);
+  return [builder, msg.Any.MakeTempDir, inner];
 }
 
-function res(baseRes: null | fbs.Base): string {
+function res(baseRes: null | msg.Base): string {
   assert(baseRes != null);
-  assert(fbs.Any.MakeTempDirRes === baseRes!.innerType());
-  const res = new fbs.MakeTempDirRes();
+  assert(msg.Any.MakeTempDirRes === baseRes!.innerType());
+  const res = new msg.MakeTempDirRes();
   assert(baseRes!.inner(res) != null);
   const path = res.path();
   assert(path != null);
diff --git a/js/mkdir.ts b/js/mkdir.ts
index 1cab71d626..883d427ec9 100644
--- a/js/mkdir.ts
+++ b/js/mkdir.ts
@@ -1,5 +1,5 @@
 // Copyright 2018 the Deno authors. All rights reserved. MIT license.
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 import { flatbuffers } from "flatbuffers";
 import * as dispatch from "./dispatch";
 
@@ -26,12 +26,12 @@ export async function mkdir(path: string, mode = 0o777): Promise<void> {
 function req(
   path: string,
   mode: number
-): [flatbuffers.Builder, fbs.Any, flatbuffers.Offset] {
+): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
   const builder = new flatbuffers.Builder();
   const path_ = builder.createString(path);
-  fbs.Mkdir.startMkdir(builder);
-  fbs.Mkdir.addPath(builder, path_);
-  fbs.Mkdir.addMode(builder, mode);
-  const inner = fbs.Mkdir.endMkdir(builder);
-  return [builder, fbs.Any.Mkdir, inner];
+  msg.Mkdir.startMkdir(builder);
+  msg.Mkdir.addPath(builder, path_);
+  msg.Mkdir.addMode(builder, mode);
+  const inner = msg.Mkdir.endMkdir(builder);
+  return [builder, msg.Any.Mkdir, inner];
 }
diff --git a/js/os.ts b/js/os.ts
index 4f34c38edd..0cc6cc695f 100644
--- a/js/os.ts
+++ b/js/os.ts
@@ -1,6 +1,6 @@
 // Copyright 2018 the Deno authors. All rights reserved. MIT license.
 import { ModuleInfo } from "./types";
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 import { assert } from "./util";
 import * as util from "./util";
 import { flatbuffers } from "flatbuffers";
@@ -8,10 +8,10 @@ import { sendSync } from "./dispatch";
 
 export function exit(exitCode = 0): never {
   const builder = new flatbuffers.Builder();
-  fbs.Exit.startExit(builder);
-  fbs.Exit.addCode(builder, exitCode);
-  const inner = fbs.Exit.endExit(builder);
-  sendSync(builder, fbs.Any.Exit, inner);
+  msg.Exit.startExit(builder);
+  msg.Exit.addCode(builder, exitCode);
+  const inner = msg.Exit.endExit(builder);
+  sendSync(builder, msg.Any.Exit, inner);
   return util.unreachable();
 }
 
@@ -24,17 +24,17 @@ export function codeFetch(
   const builder = new flatbuffers.Builder();
   const moduleSpecifier_ = builder.createString(moduleSpecifier);
   const containingFile_ = builder.createString(containingFile);
-  fbs.CodeFetch.startCodeFetch(builder);
-  fbs.CodeFetch.addModuleSpecifier(builder, moduleSpecifier_);
-  fbs.CodeFetch.addContainingFile(builder, containingFile_);
-  const inner = fbs.CodeFetch.endCodeFetch(builder);
-  const baseRes = sendSync(builder, fbs.Any.CodeFetch, inner);
+  msg.CodeFetch.startCodeFetch(builder);
+  msg.CodeFetch.addModuleSpecifier(builder, moduleSpecifier_);
+  msg.CodeFetch.addContainingFile(builder, containingFile_);
+  const inner = msg.CodeFetch.endCodeFetch(builder);
+  const baseRes = sendSync(builder, msg.Any.CodeFetch, inner);
   assert(baseRes != null);
   assert(
-    fbs.Any.CodeFetchRes === baseRes!.innerType(),
+    msg.Any.CodeFetchRes === baseRes!.innerType(),
     `base.innerType() unexpectedly is ${baseRes!.innerType()}`
   );
-  const codeFetchRes = new fbs.CodeFetchRes();
+  const codeFetchRes = new msg.CodeFetchRes();
   assert(baseRes!.inner(codeFetchRes) != null);
   return {
     moduleName: codeFetchRes.moduleName(),
@@ -54,16 +54,16 @@ export function codeCache(
   const filename_ = builder.createString(filename);
   const sourceCode_ = builder.createString(sourceCode);
   const outputCode_ = builder.createString(outputCode);
-  fbs.CodeCache.startCodeCache(builder);
-  fbs.CodeCache.addFilename(builder, filename_);
-  fbs.CodeCache.addSourceCode(builder, sourceCode_);
-  fbs.CodeCache.addOutputCode(builder, outputCode_);
-  const inner = fbs.CodeCache.endCodeCache(builder);
-  const baseRes = sendSync(builder, fbs.Any.CodeCache, inner);
+  msg.CodeCache.startCodeCache(builder);
+  msg.CodeCache.addFilename(builder, filename_);
+  msg.CodeCache.addSourceCode(builder, sourceCode_);
+  msg.CodeCache.addOutputCode(builder, outputCode_);
+  const inner = msg.CodeCache.endCodeCache(builder);
+  const baseRes = sendSync(builder, msg.Any.CodeCache, inner);
   assert(baseRes == null); // Expect null or error.
 }
 
-function createEnv(_inner: fbs.EnvironRes): { [index: string]: string } {
+function createEnv(_inner: msg.EnvironRes): { [index: string]: string } {
   const env: { [index: string]: string } = {};
 
   for (let i = 0; i < _inner.mapLength(); i++) {
@@ -84,11 +84,11 @@ function setEnv(key: string, value: string): void {
   const builder = new flatbuffers.Builder();
   const _key = builder.createString(key);
   const _value = builder.createString(value);
-  fbs.SetEnv.startSetEnv(builder);
-  fbs.SetEnv.addKey(builder, _key);
-  fbs.SetEnv.addValue(builder, _value);
-  const inner = fbs.SetEnv.endSetEnv(builder);
-  sendSync(builder, fbs.Any.SetEnv, inner);
+  msg.SetEnv.startSetEnv(builder);
+  msg.SetEnv.addKey(builder, _key);
+  msg.SetEnv.addValue(builder, _value);
+  const inner = msg.SetEnv.endSetEnv(builder);
+  sendSync(builder, msg.Any.SetEnv, inner);
 }
 
 /**
@@ -107,15 +107,15 @@ function setEnv(key: string, value: string): void {
 export function env(): { [index: string]: string } {
   /* Ideally we could write
   const res = sendSync({
-    command: fbs.Command.ENV,
+    command: msg.Command.ENV,
   });
   */
   const builder = new flatbuffers.Builder();
-  fbs.Environ.startEnviron(builder);
-  const inner = fbs.Environ.endEnviron(builder);
-  const baseRes = sendSync(builder, fbs.Any.Environ, inner)!;
-  assert(fbs.Any.EnvironRes === baseRes.innerType());
-  const res = new fbs.EnvironRes();
+  msg.Environ.startEnviron(builder);
+  const inner = msg.Environ.endEnviron(builder);
+  const baseRes = sendSync(builder, msg.Any.Environ, inner)!;
+  assert(msg.Any.EnvironRes === baseRes.innerType());
+  const res = new msg.EnvironRes();
   assert(baseRes.inner(res) != null);
   // TypeScript cannot track assertion above, therefore not null assertion
   return createEnv(res);
diff --git a/js/read_dir.ts b/js/read_dir.ts
index 591db7ee5a..b1977549dc 100644
--- a/js/read_dir.ts
+++ b/js/read_dir.ts
@@ -1,5 +1,5 @@
 // Copyright 2018 the Deno authors. All rights reserved. MIT license.
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 import { flatbuffers } from "flatbuffers";
 import * as dispatch from "./dispatch";
 import { FileInfo, FileInfoImpl } from "./fileinfo";
@@ -27,19 +27,19 @@ export async function readDir(path: string): Promise<FileInfo[]> {
   return res(await dispatch.sendAsync(...req(path)));
 }
 
-function req(path: string): [flatbuffers.Builder, fbs.Any, flatbuffers.Offset] {
+function req(path: string): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
   const builder = new flatbuffers.Builder();
   const path_ = builder.createString(path);
-  fbs.ReadDir.startReadDir(builder);
-  fbs.ReadDir.addPath(builder, path_);
-  const inner = fbs.ReadDir.endReadDir(builder);
-  return [builder, fbs.Any.ReadDir, inner];
+  msg.ReadDir.startReadDir(builder);
+  msg.ReadDir.addPath(builder, path_);
+  const inner = msg.ReadDir.endReadDir(builder);
+  return [builder, msg.Any.ReadDir, inner];
 }
 
-function res(baseRes: null | fbs.Base): FileInfo[] {
+function res(baseRes: null | msg.Base): FileInfo[] {
   assert(baseRes != null);
-  assert(fbs.Any.ReadDirRes === baseRes!.innerType());
-  const res = new fbs.ReadDirRes();
+  assert(msg.Any.ReadDirRes === baseRes!.innerType());
+  const res = new msg.ReadDirRes();
   assert(baseRes!.inner(res) != null);
   const fileInfos: FileInfo[] = [];
   for (let i = 0; i < res.entriesLength(); i++) {
diff --git a/js/read_file.ts b/js/read_file.ts
index e27102a057..5aa99cc224 100644
--- a/js/read_file.ts
+++ b/js/read_file.ts
@@ -1,5 +1,5 @@
 // Copyright 2018 the Deno authors. All rights reserved. MIT license.
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 import { flatbuffers } from "flatbuffers";
 import { assert } from "./util";
 import * as dispatch from "./dispatch";
@@ -30,19 +30,19 @@ export async function readFile(filename: string): Promise<Uint8Array> {
 
 function req(
   filename: string
-): [flatbuffers.Builder, fbs.Any, flatbuffers.Offset] {
+): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
   const builder = new flatbuffers.Builder();
   const filename_ = builder.createString(filename);
-  fbs.ReadFile.startReadFile(builder);
-  fbs.ReadFile.addFilename(builder, filename_);
-  const inner = fbs.ReadFile.endReadFile(builder);
-  return [builder, fbs.Any.ReadFile, inner];
+  msg.ReadFile.startReadFile(builder);
+  msg.ReadFile.addFilename(builder, filename_);
+  const inner = msg.ReadFile.endReadFile(builder);
+  return [builder, msg.Any.ReadFile, inner];
 }
 
-function res(baseRes: null | fbs.Base): Uint8Array {
+function res(baseRes: null | msg.Base): Uint8Array {
   assert(baseRes != null);
-  assert(fbs.Any.ReadFileRes === baseRes!.innerType());
-  const inner = new fbs.ReadFileRes();
+  assert(msg.Any.ReadFileRes === baseRes!.innerType());
+  const inner = new msg.ReadFileRes();
   assert(baseRes!.inner(inner) != null);
   const dataArray = inner.dataArray();
   assert(dataArray != null);
diff --git a/js/read_link.ts b/js/read_link.ts
index 283f98dfe8..bb1988a519 100644
--- a/js/read_link.ts
+++ b/js/read_link.ts
@@ -1,5 +1,5 @@
 // Copyright 2018 the Deno authors. All rights reserved. MIT license.
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 import { flatbuffers } from "flatbuffers";
 import { assert } from "./util";
 import * as dispatch from "./dispatch";
@@ -24,19 +24,19 @@ export async function readlink(name: string): Promise<string> {
   return res(await dispatch.sendAsync(...req(name)));
 }
 
-function req(name: string): [flatbuffers.Builder, fbs.Any, flatbuffers.Offset] {
+function req(name: string): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
   const builder = new flatbuffers.Builder();
   const name_ = builder.createString(name);
-  fbs.Readlink.startReadlink(builder);
-  fbs.Readlink.addName(builder, name_);
-  const inner = fbs.Readlink.endReadlink(builder);
-  return [builder, fbs.Any.Readlink, inner];
+  msg.Readlink.startReadlink(builder);
+  msg.Readlink.addName(builder, name_);
+  const inner = msg.Readlink.endReadlink(builder);
+  return [builder, msg.Any.Readlink, inner];
 }
 
-function res(baseRes: null | fbs.Base): string {
+function res(baseRes: null | msg.Base): string {
   assert(baseRes !== null);
-  assert(fbs.Any.ReadlinkRes === baseRes!.innerType());
-  const res = new fbs.ReadlinkRes();
+  assert(msg.Any.ReadlinkRes === baseRes!.innerType());
+  const res = new msg.ReadlinkRes();
   assert(baseRes!.inner(res) !== null);
   const path = res.path();
   assert(path !== null);
diff --git a/js/remove.ts b/js/remove.ts
index 75e752c44d..b5619cd491 100644
--- a/js/remove.ts
+++ b/js/remove.ts
@@ -1,5 +1,5 @@
 // Copyright 2018 the Deno authors. All rights reserved. MIT license.
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 import { flatbuffers } from "flatbuffers";
 import * as dispatch from "./dispatch";
 
@@ -52,12 +52,12 @@ export async function removeAll(path: string): Promise<void> {
 function req(
   path: string,
   recursive: boolean
-): [flatbuffers.Builder, fbs.Any, flatbuffers.Offset] {
+): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
   const builder = new flatbuffers.Builder();
   const path_ = builder.createString(path);
-  fbs.Remove.startRemove(builder);
-  fbs.Remove.addPath(builder, path_);
-  fbs.Remove.addRecursive(builder, recursive);
-  const inner = fbs.Remove.endRemove(builder);
-  return [builder, fbs.Any.Remove, inner];
+  msg.Remove.startRemove(builder);
+  msg.Remove.addPath(builder, path_);
+  msg.Remove.addRecursive(builder, recursive);
+  const inner = msg.Remove.endRemove(builder);
+  return [builder, msg.Any.Remove, inner];
 }
diff --git a/js/rename.ts b/js/rename.ts
index 11e595c996..d92538f451 100644
--- a/js/rename.ts
+++ b/js/rename.ts
@@ -1,5 +1,5 @@
 // Copyright 2018 the Deno authors. All rights reserved. MIT license.
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 import { flatbuffers } from "flatbuffers";
 import * as dispatch from "./dispatch";
 
@@ -30,13 +30,13 @@ export async function rename(oldpath: string, newpath: string): Promise<void> {
 function req(
   oldpath: string,
   newpath: string
-): [flatbuffers.Builder, fbs.Any, flatbuffers.Offset] {
+): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
   const builder = new flatbuffers.Builder();
   const oldpath_ = builder.createString(oldpath);
   const newpath_ = builder.createString(newpath);
-  fbs.Rename.startRename(builder);
-  fbs.Rename.addOldpath(builder, oldpath_);
-  fbs.Rename.addNewpath(builder, newpath_);
-  const inner = fbs.Rename.endRename(builder);
-  return [builder, fbs.Any.Rename, inner];
+  msg.Rename.startRename(builder);
+  msg.Rename.addOldpath(builder, oldpath_);
+  msg.Rename.addNewpath(builder, newpath_);
+  const inner = msg.Rename.endRename(builder);
+  return [builder, msg.Any.Rename, inner];
 }
diff --git a/js/stat.ts b/js/stat.ts
index db1af69741..21d80dab38 100644
--- a/js/stat.ts
+++ b/js/stat.ts
@@ -1,5 +1,5 @@
 // Copyright 2018 the Deno authors. All rights reserved. MIT license.
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 import { flatbuffers } from "flatbuffers";
 import * as dispatch from "./dispatch";
 import { assert } from "./util";
@@ -58,20 +58,20 @@ export function statSync(filename: string): FileInfo {
 function req(
   filename: string,
   lstat: boolean
-): [flatbuffers.Builder, fbs.Any, flatbuffers.Offset] {
+): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
   const builder = new flatbuffers.Builder();
   const filename_ = builder.createString(filename);
-  fbs.Stat.startStat(builder);
-  fbs.Stat.addFilename(builder, filename_);
-  fbs.Stat.addLstat(builder, lstat);
-  const inner = fbs.Stat.endStat(builder);
-  return [builder, fbs.Any.Stat, inner];
+  msg.Stat.startStat(builder);
+  msg.Stat.addFilename(builder, filename_);
+  msg.Stat.addLstat(builder, lstat);
+  const inner = msg.Stat.endStat(builder);
+  return [builder, msg.Any.Stat, inner];
 }
 
-function res(baseRes: null | fbs.Base): FileInfo {
+function res(baseRes: null | msg.Base): FileInfo {
   assert(baseRes != null);
-  assert(fbs.Any.StatRes === baseRes!.innerType());
-  const res = new fbs.StatRes();
+  assert(msg.Any.StatRes === baseRes!.innerType());
+  const res = new msg.StatRes();
   assert(baseRes!.inner(res) != null);
   return new FileInfoImpl(res);
 }
diff --git a/js/symlink.ts b/js/symlink.ts
index e0f1490f68..20232c2e5e 100644
--- a/js/symlink.ts
+++ b/js/symlink.ts
@@ -1,5 +1,5 @@
 // Copyright 2018 the Deno authors. All rights reserved. MIT license.
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 import { flatbuffers } from "flatbuffers";
 import * as dispatch from "./dispatch";
 import * as util from "./util";
@@ -40,7 +40,7 @@ function req(
   oldname: string,
   newname: string,
   type?: string
-): [flatbuffers.Builder, fbs.Any, flatbuffers.Offset] {
+): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
   // TODO Use type for Windows.
   if (type) {
     return util.notImplemented();
@@ -48,9 +48,9 @@ function req(
   const builder = new flatbuffers.Builder();
   const oldname_ = builder.createString(oldname);
   const newname_ = builder.createString(newname);
-  fbs.Symlink.startSymlink(builder);
-  fbs.Symlink.addOldname(builder, oldname_);
-  fbs.Symlink.addNewname(builder, newname_);
-  const inner = fbs.Symlink.endSymlink(builder);
-  return [builder, fbs.Any.Symlink, inner];
+  msg.Symlink.startSymlink(builder);
+  msg.Symlink.addOldname(builder, oldname_);
+  msg.Symlink.addNewname(builder, newname_);
+  const inner = msg.Symlink.endSymlink(builder);
+  return [builder, msg.Any.Symlink, inner];
 }
diff --git a/js/timers.ts b/js/timers.ts
index 6c0b9814c0..e503e9ccc9 100644
--- a/js/timers.ts
+++ b/js/timers.ts
@@ -1,6 +1,6 @@
 // Copyright 2018 the Deno authors. All rights reserved. MIT license.
 import { assert } from "./util";
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 import { flatbuffers } from "flatbuffers";
 import { sendSync, setFireTimersCallback } from "./dispatch";
 
@@ -52,10 +52,10 @@ function setGlobalTimeout(due: number | null, now: number) {
   }
   // Send message to the backend.
   const builder = new flatbuffers.Builder();
-  fbs.SetTimeout.startSetTimeout(builder);
-  fbs.SetTimeout.addTimeout(builder, timeout);
-  const inner = fbs.SetTimeout.endSetTimeout(builder);
-  const res = sendSync(builder, fbs.Any.SetTimeout, inner);
+  msg.SetTimeout.startSetTimeout(builder);
+  msg.SetTimeout.addTimeout(builder, timeout);
+  const inner = msg.SetTimeout.endSetTimeout(builder);
+  const res = sendSync(builder, msg.Any.SetTimeout, inner);
   assert(res == null);
   // Remember when when the global timer will fire.
   globalTimeoutDue = due;
diff --git a/js/trace.ts b/js/trace.ts
index 42a9fe0159..fb6860a76b 100644
--- a/js/trace.ts
+++ b/js/trace.ts
@@ -1,5 +1,5 @@
 // Copyright 2018 the Deno authors. All rights reserved. MIT license.
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 
 export interface TraceInfo {
   sync: boolean; // is synchronous call
@@ -41,7 +41,7 @@ function popStack(): TraceInfo[] {
 }
 
 // Push to trace stack if we are tracing
-export function maybePushTrace(op: fbs.Any, sync: boolean): void {
+export function maybePushTrace(op: msg.Any, sync: boolean): void {
   if (current === null) {
     return; // no trace requested
   }
@@ -49,7 +49,7 @@ export function maybePushTrace(op: fbs.Any, sync: boolean): void {
   current!.list.push(
     Object.freeze({
       sync,
-      name: fbs.Any[op] // convert to enum names
+      name: msg.Any[op] // convert to enum names
     })
   );
 }
diff --git a/js/truncate.ts b/js/truncate.ts
index c5cfbbf74a..ed105ae287 100644
--- a/js/truncate.ts
+++ b/js/truncate.ts
@@ -1,5 +1,5 @@
 // Copyright 2018 the Deno authors. All rights reserved. MIT license.
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 import { flatbuffers } from "flatbuffers";
 import * as dispatch from "./dispatch";
 
@@ -30,13 +30,13 @@ export async function truncate(name: string, len?: number): Promise<void> {
 function req(
   name: string,
   len?: number
-): [flatbuffers.Builder, fbs.Any, flatbuffers.Offset] {
+): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
   const builder = new flatbuffers.Builder();
   const name_ = builder.createString(name);
   len = len && len > 0 ? Math.floor(len) : 0;
-  fbs.Truncate.startTruncate(builder);
-  fbs.Truncate.addName(builder, name_);
-  fbs.Truncate.addLen(builder, len);
-  const inner = fbs.Truncate.endTruncate(builder);
-  return [builder, fbs.Any.Truncate, inner];
+  msg.Truncate.startTruncate(builder);
+  msg.Truncate.addName(builder, name_);
+  msg.Truncate.addLen(builder, len);
+  const inner = msg.Truncate.endTruncate(builder);
+  return [builder, msg.Any.Truncate, inner];
 }
diff --git a/js/write_file.ts b/js/write_file.ts
index 2c39babeb2..e34448698d 100644
--- a/js/write_file.ts
+++ b/js/write_file.ts
@@ -1,5 +1,5 @@
 // Copyright 2018 the Deno authors. All rights reserved. MIT license.
-import * as fbs from "gen/msg_generated";
+import * as msg from "gen/msg_generated";
 import { flatbuffers } from "flatbuffers";
 import * as dispatch from "./dispatch";
 
@@ -41,12 +41,12 @@ function req(
   filename: string,
   data: Uint8Array,
   perm: number
-): [flatbuffers.Builder, fbs.Any, flatbuffers.Offset, Uint8Array] {
+): [flatbuffers.Builder, msg.Any, flatbuffers.Offset, Uint8Array] {
   const builder = new flatbuffers.Builder();
   const filename_ = builder.createString(filename);
-  fbs.WriteFile.startWriteFile(builder);
-  fbs.WriteFile.addFilename(builder, filename_);
-  fbs.WriteFile.addPerm(builder, perm);
-  const inner = fbs.WriteFile.endWriteFile(builder);
-  return [builder, fbs.Any.WriteFile, inner, data];
+  msg.WriteFile.startWriteFile(builder);
+  msg.WriteFile.addFilename(builder, filename_);
+  msg.WriteFile.addPerm(builder, perm);
+  const inner = msg.WriteFile.endWriteFile(builder);
+  return [builder, msg.Any.WriteFile, inner, data];
 }