Created
August 1, 2019 04:54
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Cookie as localstorage
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if (!window.localStorage) { | |
Object.defineProperty(window, "localStorage", new (function () { | |
var aKeys = [], oStorage = {}; | |
Object.defineProperty(oStorage, "getItem", { | |
value: function (sKey) { return sKey ? this[sKey] : null; }, | |
writable: false, | |
configurable: false, | |
enumerable: false | |
}); | |
Object.defineProperty(oStorage, "key", { | |
value: function (nKeyId) { return aKeys[nKeyId]; }, | |
writable: false, | |
configurable: false, | |
enumerable: false | |
}); | |
Object.defineProperty(oStorage, "setItem", { | |
value: function (sKey, sValue) { | |
if(!sKey) { return; } | |
document.cookie = escape(sKey) + "=" + escape(sValue) + "; expires=Tue, 19 Jan 2038 03:14:07 GMT; path=/"; | |
}, | |
writable: false, | |
configurable: false, | |
enumerable: false | |
}); | |
Object.defineProperty(oStorage, "length", { | |
get: function () { return aKeys.length; }, | |
configurable: false, | |
enumerable: false | |
}); | |
Object.defineProperty(oStorage, "removeItem", { | |
value: function (sKey) { | |
if(!sKey) { return; } | |
document.cookie = escape(sKey) + "=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/"; | |
}, | |
writable: false, | |
configurable: false, | |
enumerable: false | |
}); | |
Object.defineProperty(oStorage, "clear", { | |
value: function () { | |
if(!aKeys.length) { return; } | |
for (var sKey in aKeys) { | |
document.cookie = escape(sKey) + "=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/"; | |
} | |
}, | |
writable: false, | |
configurable: false, | |
enumerable: false | |
}); | |
this.get = function () { | |
var iThisIndx; | |
for (var sKey in oStorage) { | |
iThisIndx = aKeys.indexOf(sKey); | |
if (iThisIndx === -1) { oStorage.setItem(sKey, oStorage[sKey]); } | |
else { aKeys.splice(iThisIndx, 1); } | |
delete oStorage[sKey]; | |
} | |
for (aKeys; aKeys.length > 0; aKeys.splice(0, 1)) { oStorage.removeItem(aKeys[0]); } | |
for (var aCouple, iKey, nIdx = 0, aCouples = document.cookie.split(/\s*;\s*/); nIdx < aCouples.length; nIdx++) { | |
aCouple = aCouples[nIdx].split(/\s*=\s*/); | |
if (aCouple.length > 1) { | |
oStorage[iKey = unescape(aCouple[0])] = unescape(aCouple[1]); | |
aKeys.push(iKey); | |
} | |
} | |
return oStorage; | |
}; | |
this.configurable = false; | |
this.enumerable = true; | |
})()); | |
} |
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