fix(ext,runtime): add missing custom inspections (#21219)

1 files changed, 19 insertions, 0 deletions

diff --git a/runtime/js/11_workers.js b/runtime/js/11_workers.js
index f5548d8d1..bd0d1afc8 100644
--- a/runtime/js/11_workers.js
+++ b/runtime/js/11_workers.js
@@ -9,10 +9,12 @@ const {
   ObjectPrototypeIsPrototypeOf,
   String,
   StringPrototypeStartsWith,
+  SymbolFor,
   SymbolIterator,
   SymbolToStringTag,
 } = primordials;
 import * as webidl from "ext:deno_webidl/00_webidl.js";
+import { createFilteredInspectProxy } from "ext:deno_console/01_console.js";
 import { URL } from "ext:deno_url/00_url.js";
 import { getLocationHref } from "ext:deno_web/12_location.js";
 import { serializePermissions } from "ext:runtime/10_permissions.js";
@@ -242,9 +244,26 @@ class Worker extends EventTarget {
     }
   }
 
+  [SymbolFor("Deno.privateCustomInspect")](inspect, inspectOptions) {
+    return inspect(
+      createFilteredInspectProxy({
+        object: this,
+        evaluate: ObjectPrototypeIsPrototypeOf(WorkerPrototype, this),
+        keys: [
+          "onerror",
+          "onmessage",
+          "onmessageerror",
+        ],
+      }),
+      inspectOptions,
+    );
+  }
+
   [SymbolToStringTag] = "Worker";
 }
 
+const WorkerPrototype = Worker.prototype;
+
 defineEventHandler(Worker.prototype, "error");
 defineEventHandler(Worker.prototype, "message");
 defineEventHandler(Worker.prototype, "messageerror");