From 21ee4a3a2c0c43b2d427c09ad7bca79de3e55c72 Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Mon, 30 Dec 2024 00:12:44 -0800
Subject: [PATCH] [Refactor] use `Reflect.setPrototypeOf` and `dunder-proto` in
 `setProto` helper

---
 helpers/setProto.js | 21 ++++++++++++++-------
 package.json        |  1 +
 2 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/helpers/setProto.js b/helpers/setProto.js
index 57092680..dfe8c1b5 100644
--- a/helpers/setProto.js
+++ b/helpers/setProto.js
@@ -2,16 +2,23 @@
 
 var GetIntrinsic = require('get-intrinsic');
 
+var reflectSetProto = GetIntrinsic('%Reflect.setPrototypeOf%', true);
 var originalSetProto = GetIntrinsic('%Object.setPrototypeOf%', true);
 
-var hasProto = require('has-proto')();
+var setDunderProto = require('dunder-proto/set');
 
-module.exports = originalSetProto || (
+var $TypeError = require('es-errors/type');
 
-	hasProto
-		? function (O, proto) {
-			O.__proto__ = proto; // eslint-disable-line no-proto, no-param-reassign
+module.exports = reflectSetProto
+	? function setProto(O, proto) {
+		if (reflectSetProto(O, proto)) {
 			return O;
 		}
-		: null
-);
+		throw new $TypeError('Reflect.setPrototypeOf: failed to set [[Prototype]]');
+	}
+	: originalSetProto || (
+		setDunderProto ? function setProto(O, proto) {
+			setDunderProto(O, proto);
+			return O;
+		} : null
+	);
diff --git a/package.json b/package.json
index 331339d5..485226d9 100644
--- a/package.json
+++ b/package.json
@@ -64,6 +64,7 @@
 		"data-view-buffer": "^1.0.2",
 		"data-view-byte-length": "^1.0.2",
 		"data-view-byte-offset": "^1.0.1",
+		"dunder-proto": "^1.0.1",
 		"es-define-property": "^1.0.1",
 		"es-errors": "^1.3.0",
 		"es-object-atoms": "^1.0.0",