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Mathias Bynens
79e2cf0633
This also adds CC-BY-4.0 to the list of accepted licenses. DISABLE_THIRD_PARTY_CHECK=update dependencies Bug: chromium:1083142 Change-Id: I8612de2fba52dae32eeb71af79d5aacfde52142b Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2220097 Reviewed-by: Paul Lewis <aerotwist@chromium.org> Commit-Queue: Mathias Bynens <mathias@chromium.org>
2.0 KiB
2.0 KiB
quick-lru 
Useful when you need to cache something and limit memory usage.
Inspired by the hashlru algorithm, but instead uses Map to support keys of any type, not just strings, and values can be undefined.
Install
$ npm install quick-lru
Usage
const QuickLRU = require('quick-lru');
const lru = new QuickLRU({maxSize: 1000});
lru.set('🦄', '🌈');
lru.has('🦄');
//=> true
lru.get('🦄');
//=> '🌈'
API
new QuickLRU(options?)
Returns a new instance.
options
Type: object
maxSize
Required
Type: number
The maximum number of items before evicting the least recently used items.
Instance
The instance is iterable so you can use it directly in a for…of loop.
Both key and value can be of any type.
.set(key, value)
Set an item. Returns the instance.
.get(key)
Get an item.
.has(key)
Check if an item exists.
.peek(key)
Get an item without marking it as recently used.
.delete(key)
Delete an item.
Returns true if the item is removed or false if the item doesn't exist.
.clear()
Delete all items.
.keys()
Iterable for all the keys.
.values()
Iterable for all the values.
.size
The stored item count.