From 58140fc0af5af9e3f8c86015d888f1a93e1d4a0b Mon Sep 17 00:00:00 2001
From: Jim O'Halloran <jim@tuxit.com.au>
Date: Thu, 31 Oct 2019 09:49:31 +1030
Subject: [PATCH] Validate cookie contains known locale when initialising the
 store

---
 resources/js/store/modules/lang.js | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/resources/js/store/modules/lang.js b/resources/js/store/modules/lang.js
index 7ac18231c..4a913a3a2 100644
--- a/resources/js/store/modules/lang.js
+++ b/resources/js/store/modules/lang.js
@@ -3,9 +3,19 @@ import * as types from '../mutation-types'
 
 const { locale, locales } = window.config
 
+function validateCookieLocale () {
+  const cookieLocale = Cookies.get('locale') || locale
+  if (locales.hasOwnProperty(cookieLocale)) {
+    return cookieLocale
+  } else {
+    Cookies.set('locale', locale, { expires: 365 })
+    return locale
+  }
+}
+
 // state
 export const state = {
-  locale: Cookies.get('locale') || locale,
+  locale: validateCookieLocale(),
   locales: locales
 }