From 26105034da4fcce7ac883c899d781f016559310d Mon Sep 17 00:00:00 2001 From: ruki Date: Thu, 8 Nov 2018 00:38:48 +0800 Subject: switch to vuepress --- node_modules/quick-lru/readme.md | 96 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 node_modules/quick-lru/readme.md (limited to 'node_modules/quick-lru/readme.md') diff --git a/node_modules/quick-lru/readme.md b/node_modules/quick-lru/readme.md new file mode 100644 index 00000000..eb811680 --- /dev/null +++ b/node_modules/quick-lru/readme.md @@ -0,0 +1,96 @@ +# quick-lru [![Build Status](https://travis-ci.org/sindresorhus/quick-lru.svg?branch=master)](https://travis-ci.org/sindresorhus/quick-lru) [![Coverage Status](https://coveralls.io/repos/github/sindresorhus/quick-lru/badge.svg?branch=master)](https://coveralls.io/github/sindresorhus/quick-lru?branch=master) + +> Simple ["Least Recently Used" (LRU) cache](https://en.m.wikipedia.org/wiki/Cache_replacement_policies#Least_Recently_Used_.28LRU.29) + +Useful when you need to cache something and limit memory usage. + +Inspired by the [`haslru` algorithm](https://github.com/dominictarr/hashlru#algorithm), but instead uses [`Map`](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Map) to support keys of any type, not just strings, and values can be `undefined`. + + +## Install + +``` +$ npm install quick-lru +``` + + +## Usage + +```js +const QuickLRU = require('quick-lru'); + +const lru = new QuickLRU({maxSize: 1000}); + +lru.set('πŸ¦„', '🌈'); + +lru.has('πŸ¦„'); +//=> true + +lru.get('πŸ¦„'); +//=> '🌈' +``` + + +## API + +### new QuickLRU([options]) + +Returns a new instance. + +### options + +Type: `Object` + +#### maxSize + +*Required*
+Type: `Object` + +Maximum number of items before evicting the least recently used items. + +### Instance + +The instance is [`iterable`](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Iteration_protocols) so you can use it directly in a [`for…of`](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Statements/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. + +#### .clear() + +Delete all items. + +#### .keys() + +Iterable for all the keys. + +#### .values() + +Iterable for all the values. + +#### .size + +Get the item count. + + +## License + +MIT Β© [Sindre Sorhus](https://sindresorhus.com) -- cgit v1.2.3