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added status code white list and black listing
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Kevin Whitley
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Oct 22, 2016
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,61 @@ | ||
function MemoryCache() { | ||
this.cache = {} | ||
this.size = 0 | ||
} | ||
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MemoryCache.prototype.add = function(key, value, time, timeoutCallback) { | ||
var old = this.cache[key] | ||
var instance = this | ||
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if (old) { | ||
clearTimeout(old.timeout) | ||
} | ||
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var entry = { | ||
value: value, | ||
expire: time + Date.now(), | ||
timeout: setTimeout(function() { | ||
instance.delete(key) | ||
return timeoutCallback && typeof timeoutCallback === 'function' && timeoutCallback(value, key) | ||
}, time) | ||
} | ||
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this.cache[key] = entry | ||
this.size = Object.keys(this.cache).length | ||
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return entry | ||
} | ||
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MemoryCache.prototype.delete = function(key) { | ||
var entry = this.cache[key] | ||
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if (entry) { | ||
clearTimeout(entry.timeout) | ||
} | ||
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delete this.cache[key] | ||
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this.size = Object.keys(this.cache).length | ||
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return null | ||
} | ||
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MemoryCache.prototype.get = function(key) { | ||
var entry = this.cache[key] | ||
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if (entry && entry.expire < Date.now()) { | ||
return this.delete(key) | ||
} | ||
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return entry | ||
} | ||
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MemoryCache.prototype.clear = function() { | ||
Object.keys(this.cache).forEach(function(key) { | ||
this.delete(key) | ||
}) | ||
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return true | ||
} | ||
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module.exports = MemoryCache |
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