From b1c6a8e884c48e115851ddf91b04c0a9c7ef3ade Mon Sep 17 00:00:00 2001
From: Michel Weststrate <mweststrate@fb.com>
Date: Fri, 24 Jul 2020 17:52:18 +0100
Subject: [PATCH] fix: made NOTHING and IMMERABLE shared symbols. Fixes #632

---
 src/utils/env.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/utils/env.ts b/src/utils/env.ts
index 7d3306f8..c846d09a 100644
--- a/src/utils/env.ts
+++ b/src/utils/env.ts
@@ -20,7 +20,7 @@ export const isMinified = mini.name !== "mini"
  * The sentinel value returned by producers to replace the draft with undefined.
  */
 export const NOTHING: Nothing = hasSymbol
-	? Symbol("immer-nothing")
+	? Symbol.for("immer-nothing")
 	: ({["immer-nothing"]: true} as any)
 
 /**
@@ -32,11 +32,11 @@ export const NOTHING: Nothing = hasSymbol
  * safe to mutate in a produce callback.
  */
 export const DRAFTABLE: unique symbol = hasSymbol
-	? Symbol("immer-draftable")
+	? Symbol.for("immer-draftable")
 	: ("__$immer_draftable" as any)
 
 export const DRAFT_STATE: unique symbol = hasSymbol
-	? Symbol("immer-state")
+	? Symbol.for("immer-state")
 	: ("__$immer_state" as any)
 
 // Even a polyfilled Symbol might provide Symbol.iterator