/*
 * Copyright 2020 Adobe. All rights reserved.
 * This file is licensed to you 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 REPRESENTATIONS
 * OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */

/** Returns whether two sets are equal. */
export function isSetEqual<T>(a: Set<T>, b: Set<T>): boolean {
  if (a === b) {
    return true;
  }

  if (a.size !== b.size) {
    return false;
  }

  for (let key of a) {
    if (!b.has(key)) {
      return false;
    }
  }

  return true;
}