fix: add WouldBlock error (#17339)

2 files changed, 9 insertions, 0 deletions

diff --git a/runtime/js/01_errors.js b/runtime/js/01_errors.js
index 7e2ad29ab..8288e3ce9 100644
--- a/runtime/js/01_errors.js
+++ b/runtime/js/01_errors.js
@@ -96,6 +96,13 @@ class WriteZero extends Error {
   }
 }
 
+class WouldBlock extends Error {
+  constructor(msg) {
+    super(msg);
+    this.name = "WouldBlock";
+  }
+}
+
 class UnexpectedEof extends Error {
   constructor(msg) {
     super(msg);
@@ -139,6 +146,7 @@ const errors = {
   TimedOut,
   Interrupted,
   WriteZero,
+  WouldBlock,
   UnexpectedEof,
   BadResource,
   Http,
diff --git a/runtime/js/99_main.js b/runtime/js/99_main.js
index fd7b93e24..a4301ed3a 100644
--- a/runtime/js/99_main.js
+++ b/runtime/js/99_main.js
@@ -265,6 +265,7 @@ function registerErrors() {
   core.registerErrorClass("InvalidData", errors.InvalidData);
   core.registerErrorClass("TimedOut", errors.TimedOut);
   core.registerErrorClass("Interrupted", errors.Interrupted);
+  core.registerErrorClass("WouldBlock", errors.WouldBlock);
   core.registerErrorClass("WriteZero", errors.WriteZero);
   core.registerErrorClass("UnexpectedEof", errors.UnexpectedEof);
   core.registerErrorClass("BadResource", errors.BadResource);