ce-decorators/lib/servicemap.js

Custom Element decorators for typescript

/**
 * Copyright (c) 2018 Mathis Zeiher
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
// tslint:disable-line
const singletonServiceRegistry = new Map();
const instanceServiceRegistry = new WeakMap();
/**
 * return a singleton
 * @param type 
 */

export function getSingleton(type) {
  if (!singletonServiceRegistry.has(type)) {
    singletonServiceRegistry.set(type, new type());
  }

  return singletonServiceRegistry.get(type);
}
/**
 * get instance
 * @param instance 
 * @param property 
 * @param type 
 */

export function getInstance(instance, property, type) {
  // tslint:disable-line
  if (!instanceServiceRegistry.has(instance)) {
    instanceServiceRegistry.set(instance, new Map());
  }

  const map = instanceServiceRegistry.get(instance);

  if (!map.has(property)) {
    map.set(property, new type());
  }

  return map.get(property);
}
//# sourceMappingURL=servicemap.js.map