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cache.js
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cache.js
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const collector = (job, cycle) =>
setInterval(
() => Object.keys(job.cache || {}).forEach(key => job.cache[key] && job.cache[key].expiration < Date.now() ? job.cache[key] = null : false),
cycle
)
module.exports = (job, parameter, live = 30 * 60 * 1000) => {
const cache = job.cache ? job.cache : job.cache = {}
if(!job.collector) job.collector = collector(job, live / 2)
const key = parameter == null ? 'default' : (parameter.id || parameter.key || parameter)
if(!cache[key] || cache[key].expiration < Date.now())
cache[key] = {
execution: job(parameter),
expiration: Date.now() + live
}
return cache[key].execution
}