| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172 | 
							- 'use strict'
 
- const { LRUCache } = require('lru-cache')
 
- const MEMOIZED = new LRUCache({
 
-   max: 500,
 
-   maxSize: 50 * 1024 * 1024, // 50MB
 
-   ttl: 3 * 60 * 1000, // 3 minutes
 
-   sizeCalculation: (entry, key) => key.startsWith('key:') ? entry.data.length : entry.length,
 
- })
 
- module.exports.clearMemoized = clearMemoized
 
- function clearMemoized () {
 
-   const old = {}
 
-   MEMOIZED.forEach((v, k) => {
 
-     old[k] = v
 
-   })
 
-   MEMOIZED.clear()
 
-   return old
 
- }
 
- module.exports.put = put
 
- function put (cache, entry, data, opts) {
 
-   pickMem(opts).set(`key:${cache}:${entry.key}`, { entry, data })
 
-   putDigest(cache, entry.integrity, data, opts)
 
- }
 
- module.exports.put.byDigest = putDigest
 
- function putDigest (cache, integrity, data, opts) {
 
-   pickMem(opts).set(`digest:${cache}:${integrity}`, data)
 
- }
 
- module.exports.get = get
 
- function get (cache, key, opts) {
 
-   return pickMem(opts).get(`key:${cache}:${key}`)
 
- }
 
- module.exports.get.byDigest = getDigest
 
- function getDigest (cache, integrity, opts) {
 
-   return pickMem(opts).get(`digest:${cache}:${integrity}`)
 
- }
 
- class ObjProxy {
 
-   constructor (obj) {
 
-     this.obj = obj
 
-   }
 
-   get (key) {
 
-     return this.obj[key]
 
-   }
 
-   set (key, val) {
 
-     this.obj[key] = val
 
-   }
 
- }
 
- function pickMem (opts) {
 
-   if (!opts || !opts.memoize) {
 
-     return MEMOIZED
 
-   } else if (opts.memoize.get && opts.memoize.set) {
 
-     return opts.memoize
 
-   } else if (typeof opts.memoize === 'object') {
 
-     return new ObjProxy(opts.memoize)
 
-   } else {
 
-     return MEMOIZED
 
-   }
 
- }
 
 
  |