1 | # map-cache [![NPM version](https://img.shields.io/npm/v/map-cache.svg?style=flat)](https://www.npmjs.com/package/map-cache) [![NPM downloads](https://img.shields.io/npm/dm/map-cache.svg?style=flat)](https://npmjs.org/package/map-cache) [![Build Status](https://img.shields.io/travis/jonschlinkert/map-cache.svg?style=flat)](https://travis-ci.org/jonschlinkert/map-cache)
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2 |
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3 | Basic cache object for storing key-value pairs.
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4 |
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5 | ## Install
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6 |
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7 | Install with [npm](https://www.npmjs.com/):
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8 |
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9 | ```sh
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10 | $ npm install map-cache --save
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11 | ```
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12 |
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13 | Based on MapCache in Lo-dash v3.0. [MIT License](https://github.com/lodash/lodash/blob/master/LICENSE.txt)
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14 |
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15 | ## Usage
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16 |
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17 | ```js
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18 | var MapCache = require('map-cache');
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19 | var mapCache = new MapCache();
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20 | ```
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21 |
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22 | ## API
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23 |
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24 | ### [MapCache](index.js#L28)
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25 |
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26 | Creates a cache object to store key/value pairs.
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27 |
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28 | **Example**
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29 |
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30 | ```js
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31 | var cache = new MapCache();
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32 | ```
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33 |
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34 | ### [.set](index.js#L45)
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35 |
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36 | Adds `value` to `key` on the cache.
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37 |
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38 | **Params**
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39 |
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40 | * `key` **{String}**: The key of the value to cache.
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41 | * `value` **{any}**: The value to cache.
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42 | * `returns` **{Object}**: Returns the `Cache` object for chaining.
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43 |
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44 | **Example**
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45 |
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46 | ```js
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47 | cache.set('foo', 'bar');
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48 | ```
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49 |
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50 | ### [.get](index.js#L65)
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51 |
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52 | Gets the cached value for `key`.
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53 |
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54 | **Params**
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55 |
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56 | * `key` **{String}**: The key of the value to get.
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57 | * `returns` **{any}**: Returns the cached value.
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58 |
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59 | **Example**
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60 |
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61 | ```js
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62 | cache.get('foo');
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63 | //=> 'bar'
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64 | ```
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65 |
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66 | ### [.has](index.js#L82)
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67 |
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68 | Checks if a cached value for `key` exists.
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69 |
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70 | **Params**
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71 |
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72 | * `key` **{String}**: The key of the entry to check.
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73 | * `returns` **{Boolean}**: Returns `true` if an entry for `key` exists, else `false`.
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74 |
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75 | **Example**
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76 |
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77 | ```js
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78 | cache.has('foo');
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79 | //=> true
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80 | ```
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81 |
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82 | ### [.del](index.js#L98)
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83 |
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84 | Removes `key` and its value from the cache.
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85 |
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86 | **Params**
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87 |
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88 | * `key` **{String}**: The key of the value to remove.
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89 | * `returns` **{Boolean}**: Returns `true` if the entry was removed successfully, else `false`.
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90 |
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91 | **Example**
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92 |
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93 | ```js
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94 | cache.del('foo');
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95 | ```
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96 |
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97 | ## Related projects
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98 |
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99 | You might also be interested in these projects:
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100 |
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101 | * [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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102 | * [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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103 | * [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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104 |
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105 | ## Contributing
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106 |
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107 | 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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108 |
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109 | ## Building docs
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110 |
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111 | Generate readme and API documentation with [verb](https://github.com/verbose/verb):
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112 |
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113 | ```sh
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114 | $ npm install verb && npm run docs
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115 | ```
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116 |
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117 | Or, if [verb](https://github.com/verbose/verb) is installed globally:
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118 |
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119 | ```sh
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120 | $ verb
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121 | ```
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122 |
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123 | ## Running tests
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124 |
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125 | Install dev dependencies:
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126 |
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127 | ```sh
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128 | $ npm install -d && npm test
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129 | ```
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130 |
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131 | ## Author
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132 |
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133 | **Jon Schlinkert**
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134 |
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135 | * [github/jonschlinkert](https://github.com/jonschlinkert)
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136 | * [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
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137 |
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138 | ## License
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139 |
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140 | Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert).
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141 | Released under the [MIT license](https://github.com/jonschlinkert/map-cache/blob/master/LICENSE).
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142 |
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143 | ***
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144 |
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145 | _This file was generated by [verb](https://github.com/verbose/verb), v0.9.0, on May 10, 2016._ |
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