From c355b12133295c03849e4807d383688378549b3f Mon Sep 17 00:00:00 2001
From: David Heidrich <me@bowlingx.com>
Date: Fri, 23 Feb 2024 18:47:53 +0100
Subject: [PATCH] feat: use deep equal for state compare

---
 package.json     | 7 ++++---
 src/lib/store.ts | 9 +++++----
 2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/package.json b/package.json
index 887b89f..4b9da89 100644
--- a/package.json
+++ b/package.json
@@ -109,7 +109,6 @@
   "engines": {
     "node": ">=14"
   },
-  "dependencies": {},
   "peerDependencies": {
     "history": ">=4",
     "immer": ">=9",
@@ -117,7 +116,8 @@
     "react": ">=16.8",
     "react-dom": ">=16.8",
     "zustand": ">=4.4.0",
-    "type-fest": ">=4"
+    "type-fest": ">=4",
+    "fast-deep-equal": "^3"
   },
   "peerDependenciesMeta": {
     "next": {
@@ -184,7 +184,8 @@
     "typedoc": "^0.25.0",
     "typescript": "^5.2.2",
     "webpack": "^5.75.0",
-    "zustand": "^4.4.1"
+    "zustand": "^4.4.1",
+    "fast-deep-equal": "^3.1.3"
   },
   "resolutions": {
     "lodash": "^4.17.21",
diff --git a/src/lib/store.ts b/src/lib/store.ts
index 87c2ac9..752880b 100644
--- a/src/lib/store.ts
+++ b/src/lib/store.ts
@@ -10,6 +10,7 @@ import {
 import { Mutate, StateCreator, StoreApi, UseBoundStore } from 'zustand'
 import { devtools, subscribeWithSelector } from 'zustand/middleware'
 import { createWithEqualityFn } from 'zustand/traditional'
+import isDeepEqual from 'fast-deep-equal'
 
 import { shallow } from 'zustand/shallow'
 import {
@@ -219,10 +220,10 @@ export const factoryParameters = <
         initialRegisterState.values
       )
       if (
-        initialRegisterState.values !== values ||
-        initialRegisterState.initialValues !== initialValues ||
-        currentState.initialValues !== initialValues ||
-        currentState.values !== values
+        !isDeepEqual(initialRegisterState.values, values) ||
+        !isDeepEqual(initialRegisterState.initialValues, initialValues) ||
+        !isDeepEqual(currentState.initialValues, initialValues) ||
+        !isDeepEqual(currentState.values, values)
       ) {
         setCurrentState({ values, initialValues })
       }