From f3f70eb58e65b727def8ef2c284ea0b44f598a96 Mon Sep 17 00:00:00 2001
From: Chip Morningstar <chip@fudco.com>
Date: Tue, 13 May 2025 17:49:40 -0700
Subject: [PATCH] Use `defineProperty` instead of assignment, to evade the JS
 Override Mistake when primordials are frozen

---
 src/decode.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/decode.ts b/src/decode.ts
index dccb75d..46fac93 100644
--- a/src/decode.ts
+++ b/src/decode.ts
@@ -127,13 +127,13 @@ export class Decoder {
 export function returnlessSource<T> (source: Source<T>): Source<T> {
   if ((source as Iterable<T>)[Symbol.iterator] !== undefined) {
     const iterator = (source as Iterable<T>)[Symbol.iterator]()
-    iterator.return = undefined
+    Object.defineProperty(iterator, 'return', {})
     return {
       [Symbol.iterator] () { return iterator }
     }
   } else if ((source as AsyncIterable<T>)[Symbol.asyncIterator] !== undefined) {
     const iterator = (source as AsyncIterable<T>)[Symbol.asyncIterator]()
-    iterator.return = undefined
+    Object.defineProperty(iterator, 'return', {})
     return {
       [Symbol.asyncIterator] () { return iterator }
     }