6 files changed, 99 insertions, 9 deletions
diff --git a/ext/node/polyfills/_events.mjs b/ext/node/polyfills/_events.mjs
index 12b0935e6..ce7a8ebf2 100644
--- a/ext/node/polyfills/_events.mjs
+++ b/ext/node/polyfills/_events.mjs
@@ -47,6 +47,8 @@ import {
 import { spliceOne } from "ext:deno_node/_utils.ts";
 import { nextTick } from "ext:deno_node/_process/process.ts";
 
+export { addAbortListener } from "./internal/events/abort_listener.mjs";
+
 const kCapture = Symbol("kCapture");
 const kErrorMonitor = Symbol("events.errorMonitor");
 const kMaxEventTargetListeners = Symbol("events.maxEventTargetListeners");
diff --git a/ext/node/polyfills/events.ts b/ext/node/polyfills/events.ts
index 3b7381410..78f3d8768 100644
--- a/ext/node/polyfills/events.ts
+++ b/ext/node/polyfills/events.ts
@@ -1,6 +1,7 @@
 // Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
 // @deno-types="./_events.d.ts"
 export {
+  addAbortListener,
   captureRejectionSymbol,
   default,
   defaultMaxListeners,
diff --git a/ext/node/polyfills/internal/events/abort_listener.mjs b/ext/node/polyfills/internal/events/abort_listener.mjs
new file mode 100644
index 000000000..f1430489f
--- /dev/null
+++ b/ext/node/polyfills/internal/events/abort_listener.mjs
@@ -0,0 +1,44 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+// Copyright Joyent, Inc. and Node.js contributors. All rights reserved. MIT license.
+
+import { primordials } from "ext:deno_node/internal/test/binding.ts";
+const { queueMicrotask } = primordials;
+import { SymbolDispose } from "ext:deno_web/00_infra.js";
+import * as abortSignal from "ext:deno_web/03_abort_signal.js";
+import { validateAbortSignal, validateFunction } from "../validators.mjs";
+import { codes } from "../errors.ts";
+const { ERR_INVALID_ARG_TYPE } = codes;
+
+/**
+ * @param {AbortSignal} signal
+ * @param {EventListener} listener
+ * @returns {Disposable}
+ */
+function addAbortListener(signal, listener) {
+  if (signal === undefined) {
+    throw new ERR_INVALID_ARG_TYPE("signal", "AbortSignal", signal);
+  }
+  validateAbortSignal(signal, "signal");
+  validateFunction(listener, "listener");
+
+  let removeEventListener;
+  if (signal.aborted) {
+    queueMicrotask(() => listener());
+  } else {
+    signal[abortSignal.add](() => {
+      removeEventListener?.();
+      listener();
+    });
+    removeEventListener = () => {
+      signal[abortSignal.remove](listener);
+    };
+  }
+  return {
+    __proto__: null,
+    [SymbolDispose]() {
+      removeEventListener?.();
+    },
+  };
+}
+
+export { addAbortListener };
diff --git a/ext/node/polyfills/process.ts b/ext/node/polyfills/process.ts
index 2130087fb..f09d7ceed 100644
--- a/ext/node/polyfills/process.ts
+++ b/ext/node/polyfills/process.ts
@@ -82,6 +82,8 @@ export const argv: string[] = ["", ""];
 // And retains any value as long as it's nullish or number-ish.
 let ProcessExitCode: undefined | null | string | number;
 
+export const execArgv: string[] = [];
+
 /** https://nodejs.org/api/process.html#process_process_exit_code */
 export const exit = (code?: number | string) => {
   if (code || code === 0) {
@@ -337,7 +339,20 @@ function uncaughtExceptionHandler(err: any, origin: string) {
   process.emit("uncaughtException", err, origin);
 }
 
-let execPath: string | null = null;
+export let execPath: string = Object.freeze({
+  __proto__: String.prototype,
+  toString() {
+    execPath = Deno.execPath();
+    return execPath;
+  },
+  get length() {
+    return this.toString().length;
+  },
+  [Symbol.for("Deno.customInspect")](inspect, options) {
+    return inspect(this.toString(), options);
+  },
+  // deno-lint-ignore no-explicit-any
+}) as any as string;
 
 // The process class needs to be an ES5 class because it can be instantiated
 // in Node without the `new` keyword. It's not a true class in Node. Popular
@@ -425,7 +440,7 @@ Process.prototype.cwd = cwd;
 Process.prototype.env = env;
 
 /** https://nodejs.org/api/process.html#process_process_execargv */
-Process.prototype.execArgv = [];
+Process.prototype.execArgv = execArgv;
 
 /** https://nodejs.org/api/process.html#process_process_exit_code */
 Process.prototype.exit = exit;
@@ -704,11 +719,7 @@ Process.prototype._eval = undefined;
 
 Object.defineProperty(Process.prototype, "execPath", {
   get() {
-    if (execPath) {
-      return execPath;
-    }
-    execPath = Deno.execPath();
-    return execPath;
+    return String(execPath);
   },
   set(path: string) {
     execPath = path;
diff --git a/ext/node/polyfills/stream.ts b/ext/node/polyfills/stream.ts
index 42f83fa28..618e5ba11 100644
--- a/ext/node/polyfills/stream.ts
+++ b/ext/node/polyfills/stream.ts
@@ -19,6 +19,9 @@ import {
   Transform,
   Writable,
 } from "ext:deno_node/_stream.mjs";
+import {
+  getDefaultHighWaterMark,
+} from "ext:deno_node/internal/streams/state.mjs";
 
 export {
   _isUint8Array,
@@ -26,6 +29,7 @@ export {
   addAbortSignal,
   Duplex,
   finished,
+  getDefaultHighWaterMark,
   PassThrough,
   pipeline,
   Readable,
diff --git a/ext/node/polyfills/util.ts b/ext/node/polyfills/util.ts
index cb4e6498a..c94d0f14b 100644
--- a/ext/node/polyfills/util.ts
+++ b/ext/node/polyfills/util.ts
@@ -25,9 +25,13 @@ const {
   StringPrototypeIsWellFormed,
   StringPrototypePadStart,
   StringPrototypeToWellFormed,
+  PromiseResolve,
 } = primordials;
 
-import { promisify } from "ext:deno_node/internal/util.mjs";
+import {
+  createDeferredPromise,
+  promisify,
+} from "ext:deno_node/internal/util.mjs";
 import { callbackify } from "ext:deno_node/_util/_util_callbackify.js";
 import { debuglog } from "ext:deno_node/internal/util/debuglog.ts";
 import {
@@ -41,8 +45,13 @@ import types from "node:util/types";
 import { Buffer } from "node:buffer";
 import { isDeepStrictEqual } from "ext:deno_node/internal/util/comparisons.ts";
 import process from "node:process";
-import { validateString } from "ext:deno_node/internal/validators.mjs";
+import {
+  validateAbortSignal,
+  validateString,
+} from "ext:deno_node/internal/validators.mjs";
 import { parseArgs } from "ext:deno_node/internal/util/parse_args/parse_args.js";
+import * as abortSignal from "ext:deno_web/03_abort_signal.js";
+import { ERR_INVALID_ARG_TYPE } from "ext:deno_node/internal/errors.ts";
 
 export {
   callbackify,
@@ -288,6 +297,24 @@ export function deprecate(fn: any, msg: string, code?: any) {
   return deprecated;
 }
 
+// deno-lint-ignore require-await
+export async function aborted(
+  signal: AbortSignal,
+  // deno-lint-ignore no-explicit-any
+  _resource: any,
+): Promise<void> {
+  if (signal === undefined) {
+    throw new ERR_INVALID_ARG_TYPE("signal", "AbortSignal", signal);
+  }
+  validateAbortSignal(signal, "signal");
+  if (signal.aborted) {
+    return PromiseResolve();
+  }
+  const abortPromise = createDeferredPromise();
+  signal[abortSignal.add](abortPromise.resolve);
+  return abortPromise.promise;
+}
+
 export { getSystemErrorName, isDeepStrictEqual };
 
 export default {
@@ -311,6 +338,7 @@ export default {
   isBuffer,
   _extend,
   getSystemErrorName,
+  aborted,
   deprecate,
   callbackify,
   parseArgs,