MonkeyGG2
31 lines
938 B
JavaScript
31 lines
938 B
JavaScript
/** Allows to save objects to HTML5 local storage.
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* However, it can only save properties, not functions.
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*/
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var ObjectStorage = (function() {
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'use strict';
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try {
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var _s = localStorage;
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return {
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save :
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function(key, item) {
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_s.setItem(key, JSON.stringify(item, function(key, val) {
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if (key == '$$hashKey') {
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return undefined;
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}
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return val;
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}));
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},
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load : function(key) { return JSON.parse(_s.getItem(key)); },
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clear : function() { _s.clear(); }
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};
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} catch (e) {
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alert('There is no local storage for you.' +
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' If you refresh the page, all progress will be lost');
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return {
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save : function(key, item) {},
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load : function(key) { return null; },
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clear : function() {}
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};
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};
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}());
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