Disable Object.freeze

1 files changed, 14 insertions, 0 deletions

diff --git a/src/runtime.js b/src/runtime.js
index 07219436d..1e86ef3b6 100644
--- a/src/runtime.js
+++ b/src/runtime.js
@@ -6,6 +6,20 @@ var __hasOwnProp = Object.prototype.hasOwnProperty;
 var __getOwnPropNames = Object.getOwnPropertyNames;
 var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
 
+// We're disabling Object.freeze because it breaks CJS => ESM and can cause
+// issues with Suspense and other things that expect the CJS module namespace
+// to be mutable when the ESM module namespace is NOT mutable
+var __objectFreezePolyfill = new WeakSet();
+
+globalThis.Object.freeze = function freeze(obj) {
+  __objectFreezePolyfill.add(obj);
+  return obj;
+};
+
+globalThis.Object.isFrozen = function isFrozen(obj) {
+  return __objectFreezePolyfill.has(obj);
+};
+
 export var __markAsModule = (target) =>
   __defProp(target, "__esModule", { value: true, configurable: true });