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145 lines
3.4 KiB
145 lines
3.4 KiB
# map-cache [](https://www.npmjs.com/package/map-cache) [](https://npmjs.org/package/map-cache) [](https://travis-ci.org/jonschlinkert/map-cache) |
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Basic cache object for storing key-value pairs. |
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## Install |
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Install with [npm](https://www.npmjs.com/): |
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```sh |
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$ npm install map-cache --save |
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``` |
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Based on MapCache in Lo-dash v3.0. [MIT License](https://github.com/lodash/lodash/blob/master/LICENSE.txt) |
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## Usage |
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```js |
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var MapCache = require('map-cache'); |
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var mapCache = new MapCache(); |
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``` |
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## API |
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### [MapCache](index.js#L28) |
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Creates a cache object to store key/value pairs. |
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**Example** |
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```js |
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var cache = new MapCache(); |
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``` |
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### [.set](index.js#L45) |
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Adds `value` to `key` on the cache. |
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**Params** |
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* `key` **{String}**: The key of the value to cache. |
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* `value` **{any}**: The value to cache. |
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* `returns` **{Object}**: Returns the `Cache` object for chaining. |
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**Example** |
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```js |
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cache.set('foo', 'bar'); |
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``` |
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### [.get](index.js#L65) |
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Gets the cached value for `key`. |
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**Params** |
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* `key` **{String}**: The key of the value to get. |
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* `returns` **{any}**: Returns the cached value. |
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**Example** |
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```js |
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cache.get('foo'); |
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//=> 'bar' |
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``` |
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### [.has](index.js#L82) |
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Checks if a cached value for `key` exists. |
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**Params** |
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* `key` **{String}**: The key of the entry to check. |
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* `returns` **{Boolean}**: Returns `true` if an entry for `key` exists, else `false`. |
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**Example** |
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```js |
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cache.has('foo'); |
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//=> true |
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``` |
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### [.del](index.js#L98) |
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Removes `key` and its value from the cache. |
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**Params** |
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* `key` **{String}**: The key of the value to remove. |
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* `returns` **{Boolean}**: Returns `true` if the entry was removed successfully, else `false`. |
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**Example** |
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```js |
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cache.del('foo'); |
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``` |
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## Related projects |
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You might also be interested in these projects: |
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* [cache-base](https://www.npmjs.com/package/cache-base): Basic object cache with `get`, `set`, `del`, and `has` methods for node.js/javascript projects. | [homepage](https://github.com/jonschlinkert/cache-base) |
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* [config-cache](https://www.npmjs.com/package/config-cache): General purpose JavaScript object storage methods. | [homepage](https://github.com/jonschlinkert/config-cache) |
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* [option-cache](https://www.npmjs.com/package/option-cache): Simple API for managing options in JavaScript applications. | [homepage](https://github.com/jonschlinkert/option-cache) |
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## Contributing |
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Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/map-cache/issues/new). |
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## Building docs |
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Generate readme and API documentation with [verb](https://github.com/verbose/verb): |
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```sh |
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$ npm install verb && npm run docs |
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``` |
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Or, if [verb](https://github.com/verbose/verb) is installed globally: |
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```sh |
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$ verb |
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``` |
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## Running tests |
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Install dev dependencies: |
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```sh |
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$ npm install -d && npm test |
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``` |
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## Author |
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**Jon Schlinkert** |
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* [github/jonschlinkert](https://github.com/jonschlinkert) |
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* [twitter/jonschlinkert](http://twitter.com/jonschlinkert) |
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## License |
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Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert). |
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Released under the [MIT license](https://github.com/jonschlinkert/map-cache/blob/master/LICENSE). |
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*** |
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_This file was generated by [verb](https://github.com/verbose/verb), v0.9.0, on May 10, 2016._ |