(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? factory(require('core-js/modules/es.array.concat.js'), require('core-js/modules/es.array.slice.js'), require('core-js/modules/es.object.assign.js'), require('core-js/modules/es.parse-int.js'), require('jquery')) :
  typeof define === 'function' && define.amd ? define(['core-js/modules/es.array.concat.js', 'core-js/modules/es.array.slice.js', 'core-js/modules/es.object.assign.js', 'core-js/modules/es.parse-int.js', 'jquery'], factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(null, null, null, null, global.jQuery));
})(this, (function (es_array_concat_js, es_array_slice_js, es_object_assign_js, es_parseInt_js, $) { 'use strict';

  function _assertThisInitialized(e) {
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    if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function");
    t.prototype = Object.create(e && e.prototype, {
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  /**
   * @author doug-the-guy
   * @update zhixin wen <wenzhixin2010@gmail.com>
   *
   * Bootstrap Table Pipeline
   * -----------------------
   *
   * This plugin enables client side data caching for server side requests which will
   * eliminate the need to issue a new request every page change. This will allow
   * for a performance balance for a large data set between returning all data at once
   * (client side paging) and a new server side request (server side paging).
   *
   * There are two new options:
   *  - usePipeline: enables this feature
   *  - pipelineSize: the size of each cache window
   *
   * The size of the pipeline must be evenly divisible by the current page size. This is
   * assured by rounding up to the nearest evenly divisible value. For example, if
   * the pipeline size is 4990 and the current page size is 25, then pipeline size will
   * be dynamically set to 5000.
   *
   * The cache windows are computed based on the pipeline size and the total number of rows
   * returned by the server side query. For example, with pipeline size 500 and total rows
   * 1300, the cache windows will be:
   *
   *  [{'lower': 0, 'upper': 499}, {'lower': 500, 'upper': 999}, {'lower': 1000, 'upper': 1499}]
   *
   * Using the limit (i.e. the pipelineSize) and offset parameters, the server side request
   * **MUST** return only the data in the requested cache window **AND** the total number of rows.
   * To wit, the server side code must use the offset and limit parameters to prepare the response
   * data.
   *
   * On a page change, the new offset is checked if it is within the current cache window. If so,
   * the requested page data is returned from the cached data set. Otherwise, a new server side
   * request will be issued for the new cache window.
   *
   * The current cached data is only invalidated on these events:
   *  * sorting
   *  * searching
   *  * page size change
   *  * page change moves into a new cache window
   *
   * There are two new events:
   *  - cached-data-hit.bs.table: issued when cached data is used on a page change
   *  - cached-data-reset.bs.table: issued when the cached data is invalidated and a
   *      new server side request is issued
   *
   **/

  var Utils = $.fn.bootstrapTable.utils;
  Object.assign($.fn.bootstrapTable.defaults, {
    usePipeline: false,
    pipelineSize: 1000,
    // eslint-disable-next-line no-unused-vars
    onCachedDataHit: function onCachedDataHit(data) {
      return false;
    },
    // eslint-disable-next-line no-unused-vars
    onCachedDataReset: function onCachedDataReset(data) {
      return false;
    }
  });
  Object.assign($.fn.bootstrapTable.events, {
    'cached-data-hit.bs.table': 'onCachedDataHit',
    'cached-data-reset.bs.table': 'onCachedDataReset'
  });
  $.BootstrapTable = /*#__PURE__*/function (_$$BootstrapTable) {
    function _class() {
      _classCallCheck(this, _class);
      return _callSuper(this, _class, arguments);
    }
    _inherits(_class, _$$BootstrapTable);
    return _createClass(_class, [{
      key: "init",
      value:
      // needs to be called before initServer
      function init() {
        var _get2;
        if (this.options.usePipeline) {
          this.initPipeline();
        }
        for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
          args[_key] = arguments[_key];
        }
        (_get2 = _get(_getPrototypeOf(_class.prototype), "init", this)).call.apply(_get2, [this].concat(args));
      }
    }, {
      key: "initPipeline",
      value: function initPipeline() {
        this.cacheRequestJSON = {};
        this.cacheWindows = [];
        this.currWindow = 0;
        this.resetCache = true;
      }

      // force a cache reset on search
    }, {
      key: "onSearch",
      value: function onSearch() {
        var _get3;
        if (this.options.usePipeline) {
          this.resetCache = true;
        }
        for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
          args[_key2] = arguments[_key2];
        }
        (_get3 = _get(_getPrototypeOf(_class.prototype), "onSearch", this)).call.apply(_get3, [this].concat(args));
      }

      // force a cache reset on sort
    }, {
      key: "onSort",
      value: function onSort() {
        var _get4;
        if (this.options.usePipeline) {
          this.resetCache = true;
        }
        for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
          args[_key3] = arguments[_key3];
        }
        (_get4 = _get(_getPrototypeOf(_class.prototype), "onSort", this)).call.apply(_get4, [this].concat(args));
      }

      // rebuild cache window on page size change
    }, {
      key: "onPageListChange",
      value: function onPageListChange(event) {
        var target = $(event.currentTarget);
        var newPageSize = parseInt(target.text(), 10);
        this.options.pipelineSize = this.calculatePipelineSize(this.options.pipelineSize, newPageSize);
        this.resetCache = true;
        _get(_getPrototypeOf(_class.prototype), "onPageListChange", this).call(this, event);
      }

      // calculate pipeline size by rounding up to
      // the nearest value evenly divisible by the pageSize
    }, {
      key: "calculatePipelineSize",
      value: function calculatePipelineSize(pipelineSize, pageSize) {
        if (pageSize === 0) {
          return 0;
        }
        return Math.ceil(pipelineSize / pageSize) * pageSize;
      }

      // set cache windows based on the total number of rows returned
      // by server side request and the pipelineSize
    }, {
      key: "setCacheWindows",
      value: function setCacheWindows() {
        this.cacheWindows = [];
        for (var i = 0; i <= this.options.totalRows / this.options.pipelineSize; i++) {
          var lower = i * this.options.pipelineSize;
          this.cacheWindows[i] = {
            lower: lower,
            upper: lower + this.options.pipelineSize - 1
          };
        }
      }

      // set the current cache window index, based on where the current offset falls
    }, {
      key: "setCurrWindow",
      value: function setCurrWindow(offset) {
        this.currWindow = 0;
        for (var i = 0; i < this.cacheWindows.length; i++) {
          if (this.cacheWindows[i].lower <= offset && offset <= this.cacheWindows[i].upper) {
            this.currWindow = i;
            break;
          }
        }
      }

      // draw rows from the cache using offset and limit
    }, {
      key: "drawFromCache",
      value: function drawFromCache(offset, limit) {
        var res = Utils.extend(true, {}, this.cacheRequestJSON);
        var drawStart = offset - this.cacheWindows[this.currWindow].lower;
        var drawEnd = drawStart + limit;
        res.rows = res.rows.slice(drawStart, drawEnd);
        return res;
      }

      /*
       * determine if requested data is in cache (on paging) or if
       * a new ajax request needs to be issued (sorting, searching, paging
       * moving outside of cached data, page size change)
       * initial version of this extension will entirely override base initServer
       */
    }, {
      key: "initServer",
      value: function initServer(silent, query, url) {
        var _this = this;
        if (!this.options.usePipeline) {
          return _get(_getPrototypeOf(_class.prototype), "initServer", this).call(this, silent, query, url);
        }
        var useAjax = true;
        var params = {};
        if (this.options.queryParamsType === 'limit' && this.options.pagination && this.options.sidePagination === 'server') {
          // same as parent initServer: params.offset
          params.offset = this.options.pageSize === this.options.formatAllRows() ? 0 : this.options.pageSize * (this.options.pageNumber - 1);
          params.limit = this.options.pageSize;

          // if cacheWindows is empty, this is the initial request
          if (!this.cacheWindows.length) {
            useAjax = true;
            params.drawOffset = params.offset;
            // cache exists: determine if the page request is entirely within the current cached window
          } else {
            var w = this.cacheWindows[this.currWindow];

            // case 1: reset cache but stay within current window (e.g. column sort)
            // case 2: move outside of the current window (e.g. search or paging)
            //  since each cache window is aligned with the current page size
            //  checking if params.offset is outside the current window is sufficient.
            //  need to re-query for preceding or succeeding cache window
            //  also handle case
            if (this.resetCache || params.offset < w.lower || params.offset > w.upper) {
              useAjax = true;
              this.setCurrWindow(params.offset);
              // store the relative offset for drawing the page data afterwards
              params.drawOffset = params.offset;
              // now set params.offset to the lower bound of the new cache window
              // the server will return that whole cache window
              params.offset = this.cacheWindows[this.currWindow].lower;
              // within current cache window
            } else {
              useAjax = false;
            }
          }
        }

        // force an ajax call - this is on search, sort or page size change
        if (this.resetCache) {
          useAjax = true;
          this.resetCache = false;
        }
        if (useAjax) {
          // in this scenario limit is used on the server to get the cache window
          // and drawLimit is used to get the page data afterwards
          params.drawLimit = params.limit;
          params.limit = this.options.pipelineSize;
        }

        // cached results can be used
        if (!useAjax) {
          var res = this.drawFromCache(params.offset, params.limit);
          this.load(res);
          this.trigger('load-success', res);
          this.trigger('cached-data-hit', res);
          return;
        }
        if (!this.pipelineResponseHandler) {
          this.pipelineResponseHandler = this.options.responseHandler;
          this.options.responseHandler = function (_res, jqXHR) {
            var res = Utils.calculateObjectValue(_this.options, _this.pipelineResponseHandler, [_res, jqXHR], _res);

            // store entire request in cache
            _this.cacheRequestJSON = Utils.extend(true, {}, res);
            // this gets set in load() also but needs to be set before
            // setting cacheWindows
            _this.options.totalRows = res[_this.options.totalField];
            // if this is a search, potentially less results will be returned
            // so cache windows need to be rebuilt. Otherwise it
            // will come out the same
            _this.setCacheWindows();
            // just load data for the page
            res = _this.drawFromCache(params.drawOffset, params.drawLimit);
            _this.trigger('cached-data-reset', res);
            return res;
          };
        }
        return _get(_getPrototypeOf(_class.prototype), "initServer", this).call(this, silent, _objectSpread2(_objectSpread2({}, query), params), url);
      }
    }, {
      key: "destroy",
      value: function destroy() {
        var _get5;
        this.options.responseHandler = this.pipelineResponseHandler;
        this.pipelineResponseHandler = null;
        for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
          args[_key4] = arguments[_key4];
        }
        (_get5 = _get(_getPrototypeOf(_class.prototype), "destroy", this)).call.apply(_get5, [this].concat(args));
      }
    }]);
  }($.BootstrapTable);

}));