From ce6fb91501c43211795514b7c51069c29cb15488 Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Mon, 20 Feb 2017 18:38:18 +0100
Subject: [PATCH] Throttle saving data, once every 5 seconds is enough.

---
 src/lib/persisted_state.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/lib/persisted_state.js b/src/lib/persisted_state.js
index 67ecc1eaa..1e9533615 100644
--- a/src/lib/persisted_state.js
+++ b/src/lib/persisted_state.js
@@ -1,5 +1,6 @@
 import merge from 'lodash.merge'
 import objectPath from 'object-path'
+import { throttle } from 'lodash'
 
 const defaultReducer = (state, paths) => (
   paths.length === 0 ? state : paths.reduce((substate, path) => {
@@ -33,6 +34,10 @@ const defaultStorage = (() => {
   return new InternalStorage()
 })()
 
+const defaultSetState = (key, state, storage) => {
+  return storage.setItem(key, JSON.stringify(state))
+}
+
 export default function createPersistedState ({
   key = 'vuex',
   paths = [],
@@ -40,7 +45,7 @@ export default function createPersistedState ({
     const value = storage.getItem(key)
     return value && value !== 'undefined' ? JSON.parse(value) : undefined
   },
-  setState = (key, state, storage) => storage.setItem(key, JSON.stringify(state)),
+  setState = throttle(defaultSetState, 5000),
   reducer = defaultReducer,
   storage = defaultStorage,
   subscriber = store => handler => store.subscribe(handler)
-- 
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