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精确检测localstorage是否可用 #9

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精确检测localstorage是否可用 #9

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34 changes: 26 additions & 8 deletions 1.1/build/basic.js
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,8 @@ KISSY.add('gallery/storage/1.1/basic', function(S, JSON) {
}
store.getAll = function() {
}

store.key = function(index) {
}
store.serialize = function(value) {
return JSON.stringify(value)
}
Expand Down Expand Up @@ -103,6 +104,9 @@ KISSY.add('gallery/storage/1.1/basic', function(S, JSON) {
}
return ret
}
store.key = function(index) {
return storage.key(index);
}
}
else if (doc.documentElement.addBehavior) {
var storageOwner,
Expand Down Expand Up @@ -195,16 +199,31 @@ KISSY.add('gallery/storage/1.1/basic', function(S, JSON) {
}
return ret
})
store.key = withIEStorage(function(storage, index) {
var keys = []
store.forEach(function(key, val) {
keys.push(key)
})
return keys[index]
})
}

//alert(namespace + '-' + store.get(namespace));
try {
store.set(namespace, namespace)
//alert(namespace + '-' + store.get(namespace));
if (store.get(namespace) != namespace) {
store.disabled = true
//精确检测，防止我们自己cache大于storage的上限以后,检测不准
var tempKey = store.key(0)
var tempData = store.get(tempKey)
if(tempKey) {
store.remove(tempKey)
store.set(tempKey, tempData)
} else {
store.set(namespace, namespace)
//alert(namespace + '-' + store.get(namespace));
if (store.get(namespace) != namespace) {
store.disabled = true
}
store.remove(namespace)
}
store.remove(namespace)
} catch (e) {
store.disabled = true
}
Expand All @@ -223,5 +242,4 @@ KISSY.add('gallery/storage/1.1/basic', function(S, JSON) {
return window.__storejs;
}, {
requires: ['json']
});

});