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26 lines
898 B
CoffeeScript
26 lines
898 B
CoffeeScript
# Pass false for fromCache to fetch keys that have been stored outside of lscache.
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module.exports.load = (key, fromCache=true) ->
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return lscache.get key if fromCache
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s = localStorage.getItem(key)
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return null unless s
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try
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value = JSON.parse(s)
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return value
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catch SyntaxError
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console.warn('error loading from storage', key)
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return null
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# Pass 0 for expirationInMinutes to persist it as long as possible outside of lscache expiration.
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module.exports.save = (key, value, expirationInMinutes) ->
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expirationInMinutes ?= 7 * 24 * 60
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if expirationInMinutes
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lscache.set key, value, expirationInMinutes
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else
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localStorage.setItem key, JSON.stringify(value)
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# Pass false for fromCache to remove keys that have been stored outside of lscache.
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module.exports.remove = (key, fromCache=true) ->
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if fromCache
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lscache.remove key
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else
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localStorage.removeItem key
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