All files / src/backends MemoryStore.js

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1x
 
/**
 * Dependencies
 */
 
/**
 * MemoryStore
 */
class MemoryStore {
 
  /**
   * constructor
   */
  constructor (data = {}) {
    this.data = data
  }
 
  /**
   * get
   *
   * @param {string} collection
   * @param {string} key
   *
   * @returns {Promise}
   */
  get (collection, key) {
    let coll = this.data[collection]
 
    if (!coll) {
      return Promise.reject(new Error(`Unknown collection "${collection}"`))
    }
 
    return Promise.resolve(coll[key] || null)
  }
 
  /**
   * put
   *
   * @param {string} collection
   * @param {string} key
   * @param {Object} value
   *
   * @returns {Promise}
   */
  put (collection, key, value) {
    let coll = this.data[collection]
 
    if (!coll) {
      coll = this.data[collection] = {}
    }
 
    return Promise.resolve(coll[key] = value)
  }
 
  /**
   * del
   *
   * @param {string} collection
   * @param {string} key
   *
   * @returns {Promise}
   */
  del (collection, key) {
    let coll = this.data[collection]
 
    if (!coll) {
      return Promise.reject(new Error(`Unknown collection "${collection}"`))
    }
 
    delete coll[key]
    return Promise.resolve(true)
  }
 
}
 
/**
 * Export
 */
module.exports = MemoryStore