From 3c0267dbb526e1067ba7ab7702663a429f8f3a10 Mon Sep 17 00:00:00 2001
From: Luca Casonato <hello@lcas.dev>
Date: Sun, 4 Jul 2021 16:08:53 +0200
Subject: fix: align DOMException to webidl spec (#11259)

---
 extensions/web/01_dom_exception.js | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

(limited to 'extensions/web/01_dom_exception.js')

diff --git a/extensions/web/01_dom_exception.js b/extensions/web/01_dom_exception.js
index 6c3c95f38..90ddb267b 100644
--- a/extensions/web/01_dom_exception.js
+++ b/extensions/web/01_dom_exception.js
@@ -10,8 +10,12 @@
 "use strict";
 
 ((window) => {
-  const { ObjectDefineProperty, ObjectEntries } =
-    window.__bootstrap.primordials;
+  const {
+    Error,
+    ObjectDefineProperty,
+    ObjectEntries,
+    ObjectSetPrototypeOf,
+  } = window.__bootstrap.primordials;
   const webidl = window.__bootstrap.webidl;
 
   // Defined in WebIDL 4.3.
@@ -72,13 +76,12 @@
 
   // Defined in WebIDL 4.3.
   // https://heycam.github.io/webidl/#idl-DOMException
-  class DOMException extends Error {
+  class DOMException {
     #message = "";
     #name = "";
     #code = 0;
 
     constructor(message = "", name = "Error") {
-      super();
       this.#message = webidl.converters.DOMString(message, {
         prefix: "Failed to construct 'DOMException'",
         context: "Argument 1",
@@ -105,8 +108,14 @@
     get [Symbol.toStringTag]() {
       return "DOMException";
     }
+
+    [Symbol.for("Deno.customInspect")]() {
+      return `DOMException: ${this.#message}`;
+    }
   }
 
+  ObjectSetPrototypeOf(DOMException.prototype, Error.prototype);
+
   webidl.configurePrototype(DOMException);
 
   for (
-- 
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