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comparison js/modules/cache.js @ 78:4bb45ff5788a

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added repair dialog
author Atul Varma <avarma@mozilla.com>
date Sun, 25 Apr 2010 20:54:51 -0700
parents 312d4af344c2
children e3de1fe32f40
comparison
equal deleted inserted replaced
77:00d2584cdd7b 78:4bb45ff5788a
1 Require.modules["cache"] = function(exports, require) { 1 Require.modules["cache"] = function(exports, require) {
2 const CACHE_NAME = "cache";
3
2 var window = require("window"); 4 var window = require("window");
3 var cache = window.localStorage.getItem("cache"); 5 var cache = window.localStorage.getItem(CACHE_NAME);
4 6
5 if (cache) 7 if (cache)
6 cache = JSON.parse(cache); 8 cache = JSON.parse(cache);
7 else 9 else
8 cache = {}; 10 cache = {};
10 exports.set = function set(key, value) { 12 exports.set = function set(key, value) {
11 cache[key] = value; 13 cache[key] = value;
12 14
13 // Remove the key first, to get around a strange iPad 15 // Remove the key first, to get around a strange iPad
14 // issue: http://stackoverflow.com/questions/2603682/is-anyone-else-receiving-a-quota-exceeded-err-on-their-ipad-when-accessing-locals 16 // issue: http://stackoverflow.com/questions/2603682/is-anyone-else-receiving-a-quota-exceeded-err-on-their-ipad-when-accessing-locals
15 window.localStorage.removeItem("cache"); 17 window.localStorage.removeItem(CACHE_NAME);
16 18
17 // TODO: We should really catch QUOTA_EXCEEDED_ERR here, 19 // TODO: We should really catch QUOTA_EXCEEDED_ERR here,
18 // which could be thrown if the user is in private 20 // which could be thrown if the user is in private
19 // browsing mode. 21 // browsing mode.
20 window.localStorage.setItem("cache", JSON.stringify(cache)); 22 window.localStorage.setItem(CACHE_NAME, JSON.stringify(cache));
21 }; 23 };
24
22 exports.get = function get(key) { 25 exports.get = function get(key) {
23 return cache[key]; 26 return cache[key];
24 }; 27 };
28
29 exports.clear = function clear() {
30 window.localStorage.removeItem(CACHE_NAME);
31 cache = {};
32 };
25 }; 33 };