fix: the persist option check (#126)

package.json

@@ -5,7 +5,7 @@
   "files": [
     "dist"
   ],
-  "version": "4.3.3-beta.6",
+  "version": "4.5.0",
   "main": "dist/little-state-machine.js",
   "module": "dist/little-state-machine.es.js",
   "unpkg": "dist/little-state-machine.umd.js",

src/StateMachineContext.tsx

@@ -1,6 +1,7 @@
 import * as React from 'react';
 import storeFactory from './logic/storeFactory';
 import { StateMachineContextValue } from './types';
+import { PERSIST_BEFORE_UNLOAD } from './constants';
 
 type PropsChildren = {
   children?: React.ReactNode;
@@ -14,7 +15,7 @@ export const StateMachineProvider: React.FC<PropsChildren> = ({ children }) => {
   const [state, setState] = React.useState(storeFactory.state);
 
   React.useEffect(() => {
-    if (storeFactory.options.persist === 'beforeUnload') {
+    if (storeFactory.options.persist === PERSIST_BEFORE_UNLOAD) {
       window.onbeforeunload = () => storeFactory.saveStore();
       storeFactory.options.storageType.removeItem(storeFactory.options.name);
     }

src/constants.ts

@@ -1,2 +1,3 @@
 export const STORE_DEFAULT_NAME = '__LSM__';
 export const STORE_ACTION_NAME = '__LSM_NAME__';
+export const PERSIST_BEFORE_UNLOAD = 'beforeUnload';

src/stateMachine.tsx

@@ -8,7 +8,7 @@ import {
   AnyActions,
   ActionsOutput,
 } from './types';
-import { STORE_ACTION_NAME } from './constants';
+import { PERSIST_BEFORE_UNLOAD, STORE_ACTION_NAME } from './constants';
 
 export function createStore(
   defaultState: GlobalState,
@@ -53,7 +53,8 @@ const actionTemplate =
     }
 
     setState(storeFactory.state);
-    storeFactory.options.persist === 'onAction' && storeFactory.saveStore();
+    storeFactory.options.persist !== PERSIST_BEFORE_UNLOAD &&
+      storeFactory.saveStore();
   };
 
 export function useStateMachine<