Merge pull request #38 from react18-tools/fix-37

Fix 37: different state shapes

Author: mayank1513

lib/CHANGELOG.md

@@ -1,5 +1,11 @@
 # r18gs
 
+## 3.0.1
+
+### Patch Changes
+
+- 005e935: Fix #37: Edgecase when the old and new state have different shape
+
 ## 3.0.0
 
 ### Major Changes

lib/package.json

@@ -2,7 +2,7 @@
   "name": "r18gs",
   "author": "Mayank Kumar Chaudhari <https://mayank-chaudhari.vercel.app>",
   "private": false,
-  "version": "3.0.0",
+  "version": "3.0.1",
   "description": "A simple yet elegant, light weight, react18 global store to replace Zustand for better tree shaking.",
   "license": "MPL-2.0",
   "main": "./dist/index.js",

lib/src/index.ts

@@ -35,7 +35,7 @@ const useRGS = <T>(
       l: [],
       s: val => {
         const rgs = globalRGS[key] as RGS;
-        const oldV = rgs.v as T;
+        const oldV = rgs.v ?? {};
         rgs.v = val instanceof Function ? val(oldV) : val;
         triggerListeners(rgs, oldV, rgs.v);
       },

lib/src/utils.ts

@@ -34,7 +34,8 @@ export const triggerListeners = <T>(rgs: RGS, oldV: T, newV: T) => {
   const updatedFiels: string[] = [];
   // no need to test this --- it will automatically fail
   // if (typeof oldV === "object" && typeof rgs.v === "object")
-  for (const key in oldV) if (oldV[key] !== newV[key]) updatedFiels.push(key);
+  for (const obj of [oldV, newV])
+    for (const key in obj) if (oldV[key] !== newV[key]) updatedFiels.push(key);
   // const testStr = updatedFiels.join("; ");
   rgs.l.forEach(
     ({ l, s: [includeRegExp, excludeRegExp] }) =>

packages/shared/CHANGELOG.md

@@ -1,5 +1,12 @@
 # @repo/shared
 
+## 0.0.7
+
+### Patch Changes
+
+- Updated dependencies [005e935]
+  - [email protected]
+
 ## 0.0.6
 
 ### Patch Changes

packages/shared/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@repo/shared",
-  "version": "0.0.6",
+  "version": "0.0.7",
   "private": true,
   "sideEffects": false,
   "main": "./dist/index.js",