3 files changed, 4 insertions, 2 deletions
diff --git a/ext/node/polyfills/_fs/_fs_common.ts b/ext/node/polyfills/_fs/_fs_common.ts
index ac0bf5a55..a29548bb3 100644
--- a/ext/node/polyfills/_fs/_fs_common.ts
+++ b/ext/node/polyfills/_fs/_fs_common.ts
@@ -20,6 +20,7 @@ import {
   notImplemented,
   TextEncodings,
 } from "ext:deno_node/_utils.ts";
+import { type Buffer } from "node:buffer";
 
 export type CallbackWithError = (err: ErrnoException | null) => void;
 
diff --git a/ext/node/polyfills/_fs/_fs_open.ts b/ext/node/polyfills/_fs/_fs_open.ts
index 8bd989790..31ca4bb61 100644
--- a/ext/node/polyfills/_fs/_fs_open.ts
+++ b/ext/node/polyfills/_fs/_fs_open.ts
@@ -147,8 +147,8 @@ export function open(
 
 export function openPromise(
   path: string | Buffer | URL,
-  flags?: openFlags = "r",
-  mode? = 0o666,
+  flags: openFlags = "r",
+  mode = 0o666,
 ): Promise<FileHandle> {
   return new Promise((resolve, reject) => {
     open(path, flags, mode, (err, fd) => {
diff --git a/ext/node/polyfills/_fs/_fs_readv.ts b/ext/node/polyfills/_fs/_fs_readv.ts
index 384f5e319..2259f029a 100644
--- a/ext/node/polyfills/_fs/_fs_readv.ts
+++ b/ext/node/polyfills/_fs/_fs_readv.ts
@@ -15,6 +15,7 @@ import { maybeCallback } from "ext:deno_node/_fs/_fs_common.ts";
 import { validateInteger } from "ext:deno_node/internal/validators.mjs";
 import * as io from "ext:deno_io/12_io.js";
 import { op_fs_seek_async, op_fs_seek_sync } from "ext:core/ops";
+import process from "node:process";
 
 type Callback = (
   err: ErrnoException | null,