ce-decorators/lib/classpropertyinterceptors.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.
 */
const map = new Map();
/**
 * PropertyInterceptor Type
 */

/**
 * get all interceprors for a property of a class
 * 
 * @param target Class to get interceptors from
 * @param property property which will be intercepted
 */
export function getClassPropertyInterceptor(target, property) {
  let properties = map.get(target);

  if (!properties) {
    properties = new Map();
    map.set(target, properties);
  }

  let propertyInterceptor = properties.get(property);

  if (!propertyInterceptor) {
    propertyInterceptor = [];
    properties.set(property, propertyInterceptor);
  }

  return propertyInterceptor;
}
/**
 * get all interceptors for a class
 * 
 * @param target Class to get interceptors from
 */

export function getAllClassPropertyInterceptors(target) {
  let properties = map.get(target);

  if (!properties) {
    properties = new Map();
    map.set(target, properties);
  }

  return properties;
}
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