text: "use strict";
  /*
   * Copyright 2020 Palantir Technologies, Inc. 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.
   */
  Object.defineProperty(exports, "__esModule", { value: true });
  exports.throttle = exports.throttleReactEventCallback = exports.throttleEvent = exports.elementIsOrContains = void 0;
  var functionUtils_1 = require("./functionUtils");
  function elementIsOrContains(element, testElement) {
      return element === testElement || element.contains(testElement);
  }
  exports.elementIsOrContains = elementIsOrContains;
  /**
   * Throttle an event on an EventTarget by wrapping it in a
   * `requestAnimationFrame` call. Returns the event handler that was bound to
   * given eventName so you can clean up after yourself.
   * @see https://developer.mozilla.org/en-US/docs/Web/Events/scroll
   */
  function throttleEvent(target, eventName, newEventName) {
      var throttledFunc = throttleImpl(function (event) {
          target.dispatchEvent(new CustomEvent(newEventName, event));
      });
      target.addEventListener(eventName, throttledFunc);
      return throttledFunc;
  }
  exports.throttleEvent = throttleEvent;
  /**
   * Throttle a callback by wrapping it in a `requestAnimationFrame` call. Returns
   * the throttled function.
   * @see https://www.html5rocks.com/en/tutorials/speed/animations/
   */
  function throttleReactEventCallback(callback, options) {
      if (options === void 0) { options = {}; }
      var throttledFunc = throttleImpl(callback, function (event2) {
          if (options.preventDefault) {
              event2.preventDefault();
          }
      }, 
      // prevent React from reclaiming the event object before we reference it
      function (event2) { return event2.persist(); });
      return throttledFunc;
  }
  exports.throttleReactEventCallback = throttleReactEventCallback;
  /**
   * Throttle a method by wrapping it in a `requestAnimationFrame` call. Returns
   * the throttled function.
   */
  // eslint-disable-next-line @typescript-eslint/ban-types
  function throttle(method) {
      return throttleImpl(method);
  }
  exports.throttle = throttle;
  // eslint-disable-next-line @typescript-eslint/ban-types
  function throttleImpl(onAnimationFrameRequested, onBeforeIsRunningCheck, onAfterIsRunningCheck) {
      var isRunning = false;
      var func = function () {
          var args = [];
          for (var _i = 0; _i < arguments.length; _i++) {
              args[_i] = arguments[_i];
          }
          // don't use safeInvoke, because we might have more than its max number
          // of typed params
          if (functionUtils_1.isFunction(onBeforeIsRunningCheck)) {
              onBeforeIsRunningCheck.apply(void 0, args);
          }
          if (isRunning) {
              return;
          }
          isRunning = true;
          if (functionUtils_1.isFunction(onAfterIsRunningCheck)) {
              onAfterIsRunningCheck.apply(void 0, args);
          }
          requestAnimationFrame(function () {
              onAnimationFrameRequested.apply(void 0, args);
              isRunning = false;
          });
      };
      return func;
  }
  //# sourceMappingURL=domUtils.js.map