Proxy: Ignore setting a reference to itself

immerjs · Oct 21, 2020 · 6991d82 · 6991d82
1 parent 9007be0
commit 6991d82
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/core/proxy.ts b/src/core/proxy.ts
@@ -157,6 +157,9 @@ export const objectTraps: ProxyHandler<ProxyState> = {
 			prepareCopy(state)
 			markChanged(state)
 		}
+
+		if (state.copy_![prop] === value && typeof value !== "number") return true
+
 		// @ts-ignore
 		state.copy_![prop] = value
 		state.assigned_[prop] = true