Acme.BookStore.HttpApi.Host/node_modules/cache-base/index.js

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'use strict';

var isObject = require('isobject');
var Emitter = require('component-emitter');
var visit = require('collection-visit');
var toPath = require('to-object-path');
var union = require('union-value');
var del = require('unset-value');
var get = require('get-value');
var has = require('has-value');
var set = require('set-value');

/**
 * Create a `Cache` constructor that when instantiated will
 * store values on the given `prop`.
 *
 * ```js
 * var Cache = require('cache-base').namespace('data');
 * var cache = new Cache();
 *
 * cache.set('foo', 'bar');
 * //=> {data: {foo: 'bar'}}
 * ```
 * @param {String} `prop` The property name to use for storing values.
 * @return {Function} Returns a custom `Cache` constructor
 * @api public
 */

function namespace(prop) {

  /**
   * Create a new `Cache`. Internally the `Cache` constructor is created using
   * the `namespace` function, with `cache` defined as the storage object.
   *
   * ```js
   * var app = new Cache();
   * ```
   * @param {Object} `cache` Optionally pass an object to initialize with.
   * @constructor
   * @api public
   */

  function Cache(cache) {
    if (prop) {
      this[prop] = {};
    }
    if (cache) {
      this.set(cache);
    }
  }

  /**
   * Inherit Emitter
   */

  Emitter(Cache.prototype);

  /**
   * Assign `value` to `key`. Also emits `set` with
   * the key and value.