@quantlab/handsontable/commonjs/utils/staticRegister.js

Spreadsheet-like data grid editor that provides copy/paste functionality compatible with Excel/Google Docs

'use strict';

exports.__esModule = true;
exports.default = staticRegister;

function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }

var collection = exports.collection = new Map();

function staticRegister() {
  var namespace = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'common';

  if (!collection.has(namespace)) {
    collection.set(namespace, new Map());
  }
  var subCollection = collection.get(namespace);

  /**
   * Register an item to the collection. If the item under the same was exist earlier then this item will be replaced with new one.
   *
   * @param {String} name Identification of the item.
   * @param {*} item Item to save in the collection.
   */
  function register(name, item) {
    subCollection.set(name, item);
  }

  /**
   * Retrieve the item from the collection.
   *
   * @param {String} name Identification of the item.
   * @returns {*} Returns item which was saved in the collection.
   */
  function getItem(name) {
    return subCollection.get(name);
  }

  /**
   * Check if item under specyfied name is exists.
   *
   * @param {String} name Identification of the item.
   * @returns {Boolean} Returns `true` or `false` depends on if element exists in the collection.
   */
  function hasItem(name) {
    return subCollection.has(name);
  }

  /**
   * Retrieve list of names registered from the collection.
   *
   * @returns {Array} Returns an array of strings with all names under which objects are stored.
   */
  function getNames() {
    return [].concat(_toConsumableArray(subCollection.keys()));
  }

  /**
   * Retrieve all registered values from the collection.
   *
   * @returns {Array} Returns an array with all values stored in the collection.
   */
  function getValues() {
    return [].concat(_toConsumableArray(subCollection.values()));
  }

  return {
    register: register,
    getItem: getItem,
    hasItem: hasItem,
    getNames: getNames,
    getValues: getValues
  };
}