22 lines
606 B
CoffeeScript
22 lines
606 B
CoffeeScript
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window.storageAvailable = (type) ->
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try
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storage = window[type]
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x = '__storage_test__'
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storage.setItem x, x
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storage.removeItem x
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true
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catch e
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e instanceof DOMException and
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# everything except Firefox
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(e.code == 22 or
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# Firefox
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e.code == 1014 or
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# test name field too, because code might not be present
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# everything except Firefox
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e.name == 'QuotaExceededError' or
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# Firefox
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e.name == 'NS_ERROR_DOM_QUOTA_REACHED') and
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# acknowledge QuotaExceededError only if there's something already stored
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storage.length != 0
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