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