2 lines
2.5 KiB
JavaScript
2 lines
2.5 KiB
JavaScript
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/* Copyright (c) 2010-2012 Marcus Westin */
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(function(){function h(){try{return d in b&&b[d]}catch(a){return!1}}function i(){try{return e in b&&b[e]&&b[e][b.location.hostname]}catch(a){return!1}}var a={},b=window,c=b.document,d="localStorage",e="globalStorage",f="__storejs__",g;a.disabled=!1,a.set=function(a,b){},a.get=function(a){},a.remove=function(a){},a.clear=function(){},a.transact=function(b,c,d){var e=a.get(b);d==null&&(d=c,c=null),typeof e=="undefined"&&(e=c||{}),d(e),a.set(b,e)},a.getAll=function(){},a.serialize=function(a){return JSON.stringify(a)},a.deserialize=function(a){return typeof a!="string"?undefined:JSON.parse(a)};if(h())g=b[d],a.set=function(b,c){if(c===undefined)return a.remove(b);g.setItem(b,a.serialize(c))},a.get=function(b){return a.deserialize(g.getItem(b))},a.remove=function(a){g.removeItem(a)},a.clear=function(){g.clear()},a.getAll=function(){var b={};for(var c=0;c<g.length;++c){var d=g.key(c);b[d]=a.get(d)}return b};else if(i())g=b[e][b.location.hostname],a.set=function(b,c){if(c===undefined)return a.remove(b);g[b]=a.serialize(c)},a.get=function(b){return a.deserialize(g[b]&&g[b].value)},a.remove=function(a){delete g[a]},a.clear=function(){for(var a in g)delete g[a]},a.getAll=function(){var b={};for(var c=0;c<g.length;++c){var d=g.key(c);b[d]=a.get(d)}return b};else if(c.documentElement.addBehavior){var j,k;try{k=new ActiveXObject("htmlfile"),k.open(),k.write('<script>document.w=window</script><iframe src="/favicon.ico"></frame>'),k.close(),j=k.w.frames[0].document,g=j.createElement("div")}catch(l){g=c.createElement("div"),j=c.body}function m(b){return function(){var c=Array.prototype.slice.call(arguments,0);c.unshift(g),j.appendChild(g),g.addBehavior("#default#userData"),g.load(d);var e=b.apply(a,c);return j.removeChild(g),e}}function n(a){return"_"+a}a.set=m(function(b,c,e){c=n(c);if(e===undefined)return a.remove(c);b.setAttribute(c,a.serialize(e)),b.save(d)}),a.get=m(function(b,c){return c=n(c),a.deserialize(b.getAttribute(c))}),a.remove=m(function(a,b){b=n(b),a.removeAttribute(b),a.save(d)}),a.clear=m(function(a){var b=a.XMLDocument.documentElement.attributes;a.load(d);for(var c=0,e;e=b[c];c++)a.removeAttribute(e.name);a.save(d)}),a.getAll=m(function(b){var c=b.XMLDocument.documentElement.attributes;b.load(d);var e={};for(var f=0,g;g=c[f];++f)e[g]=a.get(g);return e})}try{a.set(f,f),a.get(f)!=f&&(a.disabled=!0),a.remove(f)}catch(l){a.disabled=!0}typeof module!="undefined"?module.exports=a:typeof define=="function"&&define.amd?define(a):this.store=a})()
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