map-for-cleverroute/src/util.ts

/**
 * Copyright 2020 Google LLC. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * Extends an object's prototype by another's.
 *
 * @param type1 The Type to be extended.
 * @param type2 The Type to extend with.
 * @ignore
 */
// eslint-disable-next-line @typescript-eslint/no-explicit-any
export function extend(type1: any, type2: any): void {
  // eslint-disable-next-line prefer-const
  for (let property in type2.prototype) {
    type1.prototype[property] = type2.prototype[property];
  }
}

export function abortEvent(e: Event | null) {
  e = e || window.event;
  if (e.stopPropagation) {
    e.stopPropagation();
  } else {
    e.cancelBubble = true;
  }
  if (e.preventDefault) {
    e.preventDefault();
  } else {
    e.returnValue = false;
  }
}

export function stopPropagation(e: Event | null) {
  e = e || window.event;
  if (e.stopPropagation) {
    e.stopPropagation();
  } else {
    e.cancelBubble = true;
  }
}

export function omit(
  o: { [key: string]: any },
  keys: string[]
): { [key: string]: any } {
  const x = { ...o };

  keys.forEach((k) => delete x[k]);
  return x;
}