fix(ext/node): unref pending reads in readStop

ext/io/12_io.js

@@ -170,6 +170,8 @@ class Stdin {
     if (this.#opPromise) {
       core.unrefOpPromise(this.#opPromise);
     }
+    // Reset the promise so that it can be re-ref'd.
+    this.#opPromise = undefined;
   }
 }
 

ext/node/polyfills/internal_binding/stream_wrap.ts

@@ -115,7 +115,6 @@ const SUGGESTED_SIZE = 64 * 1024;
 export class LibuvStreamWrap extends HandleWrap {
   [kStreamBaseField]?: Reader & Writer & Closer & Ref;
 
-  reading!: boolean;
   #reading = false;
   destroyed = false;
   writeQueueSize = 0;
@@ -146,13 +145,27 @@ export class LibuvStreamWrap extends HandleWrap {
     return 0;
   }
 
+  get reading() {
+    return this.#reading;
+  }
+
+  set reading(value) {
+    // no-op
+  }
+
   /**
    * Stop the reading of the stream.
    * @return An error status code.
    */
   readStop(): number {
     this.#reading = false;
 
+    // Unref any reads that are pending until this point.
+    if (this.unref) {
+      this.unref();
+      this.ref();
+    }
+
     return 0;
   }
 

tests/specs/node/stdin_pause/__test__.jsonc

@@ -0,0 +1,5 @@
+{
+  "args": "run -A main.mjs",
+  "output": "",
+  "exitCode": 0
+}

tests/specs/node/stdin_pause/main.mjs

@@ -0,0 +1,2 @@
+process.stdin.resume();
+process.stdin.pause();