Liferay.Loader.define("frontend-js-web@4.0.43/liferay/throttle.es", ['module', 'exports', 'require'], function (module, exports, require) {
  var define = undefined;
  var global = window;
  {
    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.default = throttle;

    /**
     * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
     *
     * This library is free software; you can redistribute it and/or modify it under
     * the terms of the GNU Lesser General Public License as published by the Free
     * Software Foundation; either version 2.1 of the License, or (at your option)
     * any later version.
     *
     * This library is distributed in the hope that it will be useful, but WITHOUT
     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
     * details.
     */

    /**
     * Throttle implementation that fires on the leading and trailing edges.
     * If multiple calls come in during the throttle interval, the last call's
     * arguments and context are used, replacing those of any previously pending
     * calls.
     *
     * @param {!function()} fn
     * @param {number} interval
     * @return {!function()}
     */
    function throttle(fn, interval) {
      var timeout = null;
      var last;
      return function () {
        for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
          args[_key] = arguments[_key];
        }

        var context = this;
        var now = Date.now();

        var schedule = function schedule() {
          timeout = setTimeout(function () {
            timeout = null;
          }, interval);
          last = now;
          fn.apply(context, args);
        };

        if (timeout === null) {
          schedule();
        } else {
          var remaining = Math.max(last + interval - now, 0);
          clearTimeout(timeout);
          timeout = setTimeout(schedule, remaining);
        }
      };
    }
    //# sourceMappingURL=throttle.es.js.map
  }
});
//# sourceMappingURL=throttle.es.js.map