config-cache

General purpose JavaScript object storage methods.

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config-cache NPM version Build Status
General purpose JavaScript object storage methods.

Breaking changes in 5.0!

Major breaking changes were made in 5.0!
In an effort to simplify the library, the following methods were removed:
  • clone: use clone-deep, example: var obj = cloneDeep(config.cache)
  • keys: use Object.keys(config.cache)
  • omit: use .del()
  • exists: use config.cache.hasOwnProperty() or has-value
  • has: use config.cache.hasownProperty() or has-value
  • hasOwn: use config.cache.hasOwnProperty() or has-value

The following data methods were also removed, use plasma-cacheif you need these methods:
  • data
  • process
  • plasma
  • extendData

Install

Install with npm
$ npm i config-cache --save

Usage

var Config = require('config-cache');
var config = new Config();

API

Config

Initialize a new Config, optionally passing an object to initialize with.
Params
  • cache {Object}

Example
var config = new Config();

.mixin

Static method for mixing Config prototype properties onto obj.
Params
  • obj {Object}
  • returns {Object}

Example
function App() {
  Config.call(this);
}
Config.mixin(App.prototype);

.set

Assign value to key or return the value of key.
Params
  • key {String}
  • value {}
  • returns {Object} Config: to enable chaining

Example
config.set(key, value);

.get

Return the stored value of key. Dot notation may be used to get nested property values.
Params
  • key {}
  • escape {Boolean}
  • returns {}

Example
config.set('foo', 'bar');
config.get('foo');
// => "bar"

// also takes an array or list of property paths
config.set({data: {name: 'Jon'}})
config.get('data', 'name');
//=> 'Jon'

.constant

Create a constant (getter/setter) for setting and getting values on the given namespace or this.cache.
Params
  • key {String}
  • value {}

Example
config.constant('site.title', 'Foo');

.union

Add values to an array on the cache.
  • returns {Object} Config: to enable chaining

Example
// config.cache['foo'] => ['a.hbs', 'b.hbs']
config
  .union('foo', ['b.hbs', 'c.hbs'], ['d.hbs']);
  .union('foo', ['e.hbs', 'f.hbs']);

// config.cache['foo'] => ['a.hbs', 'b.hbs', 'c.hbs', 'd.hbs', 'e.hbs', 'f.hbs']

.extend

Extend the cache with the given object. This method is chainable.
Or define the property to extend:
  • returns {Object} Config: to enable chaining

Examples
config
  .extend({foo: 'bar'}, {baz: 'quux'});
  .extend({fez: 'bang'});

config
  // extend `cache.a`
  .extend('a', {foo: 'bar'}, {baz: 'quux'})
  // extend `cache.b`
  .extend('b', {fez: 'bang'})
  // extend `cache.a.b.c`
  .extend('a.b.c', {fez: 'bang'});

.del

Remove keys from the cache. If no value is specified the entire cache is reset.
Example
config.del();

Usage Examples

.set

If expand: true is defined on the options, the value will be set using expander.
Examples:
// as a key-value pair
config.set('a', {b: 'c'});

// or as an object
config.set({a: {b: 'c'}});

// chaining is possible
cache
  .set({a: {b: 'c'}})
  .set('d', 'e');

Expand template strings with expander:
config.set('a', {b: '${c}', c: 'd'}, true);

Visit the expander docs for more info.

Related

  • cache-base: Generic object cache for node.js/javascript projects.
  • engine-cache: express.js inspired template-engine manager.
  • get-value: Use property paths ( a.b.c) to get a nested value from an object.
  • has-value: Returns true if a value exists, false if empty. Works with deeply nested values using… more
  • helper-cache: Easily register and get helper functions to be passed to any template engine or node.js… more
  • loader-cache: Register loader functions that dynamically read, parse or otherwise transform file contents when the name… more
  • map-cache: Basic cache object for storing key-value pairs.
  • option-cache: Simple API for managing options in JavaScript applications.
  • plasma-cache: Object cache for Plasma.
  • parser-cache: Cache and load parsers, similiar to consolidate.js engines.
  • set-value: Create nested values and any intermediaries using dot notation ('a.b.c') paths.

Contributing

Pull requests and stars are always welcome. For bugs and feature requests, please create an issue

Running tests

Install dev dependencies:
$ npm i -d && npm test

Author

Jon Schlinkert

License

Copyright © 2015 Jon Schlinkert Released under the MIT license.

This file was generated by verb-cli
on June 13, 2015.