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# map-age-cleaner [](https://travis-ci.org/SamVerschueren/map-age-cleaner) [](https://codecov.io/gh/SamVerschueren/map-age-cleaner?branch=master) > Automatically cleanup expired items in a Map ## Install ``` $ npm install map-age-cleaner ``` ## Usage ```js import mapAgeCleaner from 'map-age-cleaner'; const map = new Map([ ['unicorn', {data: '🦄', maxAge: Date.now() + 1000}] ]); mapAgeCleaner(map); map.has('unicorn'); //=> true // Wait for 1 second... map.has('unicorn'); //=> false ``` > **Note**: Items have to be ordered ascending based on the expiry property. This means that the item which will be expired first, should be in the first position of the `Map`. ## API ### mapAgeCleaner(map, [property]) Returns the `Map` instance. #### map Type: `Map` Map instance which should be cleaned up. #### property Type: `string`<br> Default: `maxAge` Name of the property which olds the expiry timestamp. ## Related - [expiry-map](https://github.com/SamVerschueren/expiry-map) - A `Map` implementation with expirable items - [expiry-set](https://github.com/SamVerschueren/expiry-set) - A `Set` implementation with expirable keys - [mem](https://github.com/sindresorhus/mem) - Memoize functions ## License MIT © [Sam Verschueren](https://github.com/SamVerschueren)
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