diff --git a/.eslintrc b/.eslintrc
index 24853ac..4206263 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -22,7 +22,7 @@
     "it": true,
     "expect": true,
     "sinon": true,
-    "$": true
+    "Clusterize": true
   },
 
   "parser": "babel-eslint",
@@ -62,7 +62,7 @@
     "max-params": 0,
     "max-statements": 0,
     "new-cap": [2, { "newIsCap": true, "capIsNew": false }],
-    "newline-after-var": [2, "always"],
+    "newline-after-var": [0, "always"],
     "new-parens": 2,
     "no-alert": 0,
     "no-array-constructor": 2,
diff --git a/index.html b/index.html
index 09a35a7..be105de 100644
--- a/index.html
+++ b/index.html
@@ -21,11 +21,11 @@
 	<section style="width: 60%; font-size: 12px;">
 
 	</section>
-	<script src="./node_modules/jquery/dist/jquery.js"></script>
+
 	<script src="./node_modules/clusterize.js/clusterize.js"></script>
 	<script src="./lib/frappe-datatable.js"></script>
 	<script>
-		$(() => {
+		document.addEventListener('DOMContentLoaded', () => {
 
 			var data = {
 				"columns": [
diff --git a/lib/frappe-datatable.js b/lib/frappe-datatable.js
index 23169d7..313b592 100644
--- a/lib/frappe-datatable.js
+++ b/lib/frappe-datatable.js
@@ -70,7 +70,7 @@ return /******/ (function(modules) { // webpackBootstrap
 /******/ 	__webpack_require__.p = "";
 /******/
 /******/ 	// Load entry module and return exports
-/******/ 	return __webpack_require__(__webpack_require__.s = 1);
+/******/ 	return __webpack_require__(__webpack_require__.s = 2);
 /******/ })
 /************************************************************************/
 /******/ ([
@@ -334,6 +334,10 @@ function copyTextToClipboard(text) {
   document.body.removeChild(textArea);
 }
 
+function isNumeric(val) {
+  return !isNaN(val);
+}
+
 exports.default = {
   getHeaderHTML: getHeaderHTML,
   getBodyHTML: getBodyHTML,
@@ -350,7 +354,9 @@ exports.default = {
   getDefault: getDefault,
   escapeRegExp: escapeRegExp,
   getCellContent: getCellContent,
-  copyTextToClipboard: copyTextToClipboard
+  copyTextToClipboard: copyTextToClipboard,
+  camelCaseToDash: camelCaseToDash,
+  isNumeric: isNumeric
 };
 module.exports = exports['default'];
 
@@ -365,19 +371,177 @@ Object.defineProperty(exports, "__esModule", {
   value: true
 });
 
-var _datatable = __webpack_require__(2);
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 
-var _datatable2 = _interopRequireDefault(_datatable);
+exports.default = $;
+function $(expr, con) {
+  return typeof expr === 'string' ? (con || document).querySelector(expr) : expr || null;
+}
 
-var _package = __webpack_require__(11);
+$.each = function (expr, con) {
+  return typeof expr === 'string' ? Array.from((con || document).querySelectorAll(expr)) : expr || null;
+};
 
-var _package2 = _interopRequireDefault(_package);
+$.create = function (tag, o) {
+  var element = document.createElement(tag);
 
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+  var _loop = function _loop(i) {
+    var val = o[i];
 
-_datatable2.default.__version__ = _package2.default.version;
+    if (i === 'inside') {
+      $(val).appendChild(element);
+    } else if (i === 'around') {
+      var ref = $(val);
+      ref.parentNode.insertBefore(element, ref);
+      element.appendChild(ref);
+    } else if (i === 'styles') {
+      if ((typeof val === 'undefined' ? 'undefined' : _typeof(val)) === 'object') {
+        Object.keys(val).map(function (prop) {
+          element.style[prop] = val[prop];
+        });
+      }
+    } else if (i in element) {
+      element[i] = val;
+    } else {
+      element.setAttribute(i, val);
+    }
+  };
 
-exports.default = _datatable2.default;
+  for (var i in o) {
+    _loop(i);
+  }
+
+  return element;
+};
+
+$.on = function (element, event, selector, callback) {
+  if (!callback) {
+    callback = selector;
+    $.bind(element, event, callback);
+  } else {
+    $.delegate(element, event, selector, callback);
+  }
+};
+
+$.bind = function (element, event, callback) {
+  event.split(/\s+/).forEach(function (event) {
+    element.addEventListener(event, callback);
+  });
+};
+
+$.delegate = function (element, event, selector, callback) {
+  element.addEventListener(event, function (e) {
+    var delegatedTarget = e.target.closest(selector);
+    if (delegatedTarget) {
+      e.delegatedTarget = delegatedTarget;
+      callback.call(this, e, delegatedTarget);
+    }
+  });
+};
+
+$.unbind = function (element, o) {
+  if (element) {
+    var _loop2 = function _loop2(event) {
+      var callback = o[event];
+
+      event.split(/\s+/).forEach(function (event) {
+        element.removeEventListener(event, callback);
+      });
+    };
+
+    for (var event in o) {
+      _loop2(event);
+    }
+  }
+};
+
+$.fire = function (target, type, properties) {
+  var evt = document.createEvent('HTMLEvents');
+
+  evt.initEvent(type, true, true);
+
+  for (var j in properties) {
+    evt[j] = properties[j];
+  }
+
+  return target.dispatchEvent(evt);
+};
+
+$.data = function (element, attrs) {
+  // eslint-disable-line
+  if (!attrs) {
+    return element.dataset;
+  }
+
+  for (var attr in attrs) {
+    element.dataset[attr] = attrs[attr];
+  }
+};
+
+$.style = function (elements, styleMap) {
+  // eslint-disable-line
+
+  if (typeof styleMap === 'string') {
+    return $.getStyle(elements, styleMap);
+  }
+
+  if (!Array.isArray(elements)) {
+    elements = [elements];
+  }
+
+  elements.map(function (element) {
+    for (var prop in styleMap) {
+      element.style[prop] = styleMap[prop];
+    }
+  });
+};
+
+$.removeStyle = function (elements, styleProps) {
+  if (!Array.isArray(elements)) {
+    elements = [elements];
+  }
+
+  if (!Array.isArray(styleProps)) {
+    styleProps = [styleProps];
+  }
+
+  elements.map(function (element) {
+    var _iteratorNormalCompletion = true;
+    var _didIteratorError = false;
+    var _iteratorError = undefined;
+
+    try {
+      for (var _iterator = styleProps[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
+        var prop = _step.value;
+
+        element.style[prop] = '';
+      }
+    } catch (err) {
+      _didIteratorError = true;
+      _iteratorError = err;
+    } finally {
+      try {
+        if (!_iteratorNormalCompletion && _iterator.return) {
+          _iterator.return();
+        }
+      } finally {
+        if (_didIteratorError) {
+          throw _iteratorError;
+        }
+      }
+    }
+  });
+};
+
+$.getStyle = function (element, prop) {
+  var val = getComputedStyle(element)[prop];
+
+  if (['width', 'height'].includes(prop)) {
+    val = parseFloat(val);
+  }
+
+  return val;
+};
 module.exports = exports['default'];
 
 /***/ }),
@@ -391,20 +555,61 @@ Object.defineProperty(exports, "__esModule", {
   value: true
 });
 
-var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /* globals $, Clusterize */
+var _datatable = __webpack_require__(3);
 
+var _datatable2 = _interopRequireDefault(_datatable);
+
+var _package = __webpack_require__(13);
+
+var _package2 = _interopRequireDefault(_package);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+_datatable2.default.__version__ = _package2.default.version;
+
+exports.default = _datatable2.default;
+module.exports = exports['default'];
+
+/***/ }),
+/* 3 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
 
 var _utils = __webpack_require__(0);
 
-var _datamanager = __webpack_require__(3);
+var _dom = __webpack_require__(1);
+
+var _dom2 = _interopRequireDefault(_dom);
+
+var _datamanager = __webpack_require__(4);
 
 var _datamanager2 = _interopRequireDefault(_datamanager);
 
-var _cellmanager = __webpack_require__(4);
+var _cellmanager = __webpack_require__(5);
 
 var _cellmanager2 = _interopRequireDefault(_cellmanager);
 
-__webpack_require__(6);
+var _columnmanager = __webpack_require__(14);
+
+var _columnmanager2 = _interopRequireDefault(_columnmanager);
+
+var _rowmanager = __webpack_require__(15);
+
+var _rowmanager2 = _interopRequireDefault(_rowmanager);
+
+var _style = __webpack_require__(7);
+
+var _style2 = _interopRequireDefault(_style);
+
+__webpack_require__(8);
 
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
@@ -421,28 +626,28 @@ var DEFAULT_OPTIONS = {
   addCheckboxColumn: true,
   enableClusterize: true,
   enableLogs: false,
-  takeAvailableSpace: false
+  takeAvailableSpace: true
 };
 
 var DataTable = function () {
   function DataTable(wrapper, options) {
     _classCallCheck(this, DataTable);
 
-    this.wrapper = $(wrapper);
-    if (this.wrapper.length === 0) {
+    this.wrapper = wrapper;
+    if (!this.wrapper) {
       throw new Error('Invalid argument given for `wrapper`');
     }
 
     this.options = Object.assign({}, DEFAULT_OPTIONS, options);
     // custom user events
     this.events = this.options.events;
-    // map of checked rows
-    this.checkMap = [];
 
-    // make dom, make style, bind events
-    this.make();
+    this.prepare();
 
+    this.style = new _style2.default(this.wrapper);
     this.datamanager = new _datamanager2.default(this.options);
+    this.rowmanager = new _rowmanager2.default(this);
+    this.columnmanager = new _columnmanager2.default(this);
     this.cellmanager = new _cellmanager2.default(this);
 
     if (this.options.data) {
@@ -451,24 +656,18 @@ var DataTable = function () {
   }
 
   _createClass(DataTable, [{
-    key: 'make',
-    value: function make() {
-      if (this.wrapper.find('.data-table').length === 0) {
-        this.makeDom();
-        this.makeStyle();
-        this.bindEvents();
-      }
+    key: 'prepare',
+    value: function prepare() {
+      this.prepareDom();
     }
   }, {
-    key: 'makeDom',
-    value: function makeDom() {
-      this.wrapper.html('\n      <div class="data-table">\n        <table class="data-table-header">\n        </table>\n        <div class="body-scrollable">\n        </div>\n        <div class="data-table-footer">\n        </div>\n        <div class="data-table-borders">\n          <div class="border-outline"></div>\n          <div class="border-background"></div>\n        </div>\n      </div>\n    ');
+    key: 'prepareDom',
+    value: function prepareDom() {
+      this.wrapper.innerHTML = '\n      <div class="data-table">\n        <table class="data-table-header">\n        </table>\n        <div class="body-scrollable">\n        </div>\n        <div class="data-table-footer">\n        </div>\n        <div class="data-table-borders">\n          <div class="border-outline"></div>\n          <div class="border-background"></div>\n        </div>\n      </div>\n    ';
 
-      this.header = this.wrapper.find('.data-table-header');
-      this.bodyScrollable = this.wrapper.find('.body-scrollable');
-      // this.body = this.wrapper.find('.data-table-body');
-      this.footer = this.wrapper.find('.data-table-footer');
-      this.$borders = this.wrapper.find('.data-table-borders');
+      this.datatableWrapper = (0, _dom2.default)('.data-table', this.wrapper);
+      this.header = (0, _dom2.default)('.data-table-header', this.wrapper);
+      this.bodyScrollable = (0, _dom2.default)('.body-scrollable', this.wrapper);
     }
   }, {
     key: 'refresh',
@@ -480,7 +679,7 @@ var DataTable = function () {
     key: 'appendRows',
     value: function appendRows(rows) {
       this.datamanager.appendRows(rows);
-      this.render();
+      this.rowmanager.refreshRows();
     }
   }, {
     key: 'render',
@@ -492,9 +691,7 @@ var DataTable = function () {
   }, {
     key: 'renderHeader',
     value: function renderHeader() {
-      var columns = this.datamanager.getColumns();
-
-      this.header.html((0, _utils.getHeaderHTML)(columns));
+      this.columnmanager.renderHeader();
     }
   }, {
     key: 'renderBody',
@@ -510,15 +707,15 @@ var DataTable = function () {
     value: function renderBodyHTML() {
       var rows = this.datamanager.getRows();
 
-      this.bodyScrollable.html('\n      <table class="data-table-body table table-bordered">\n        ' + (0, _utils.getBodyHTML)(rows) + '\n      </table>\n    ');
+      this.bodyScrollable.innerHTML = '\n      <table class="data-table-body">\n        ' + (0, _utils.getBodyHTML)(rows) + '\n      </table>\n    ';
     }
   }, {
     key: 'renderBodyWithClusterize',
     value: function renderBodyWithClusterize() {
-      var self = this;
+      var _this = this;
 
       // empty body
-      this.bodyScrollable.html('\n      <table class="data-table-body table table-bordered">\n        ' + (0, _utils.getBodyHTML)([]) + '\n      </table>\n    ');
+      this.bodyScrollable.innerHTML = '\n      <table class="data-table-body">\n        ' + (0, _utils.getBodyHTML)([]) + '\n      </table>\n    ';
 
       this.start = 0;
       this.pageLength = 1000;
@@ -531,11 +728,11 @@ var DataTable = function () {
 
       this.clusterize = new Clusterize({
         rows: initialData,
-        scrollElem: this.bodyScrollable.get(0),
-        contentElem: this.bodyScrollable.find('tbody').get(0),
+        scrollElem: this.bodyScrollable,
+        contentElem: (0, _dom2.default)('tbody', this.bodyScrollable),
         callbacks: {
           clusterChanged: function clusterChanged() {
-            self.highlightCheckedRows();
+            _this.rowmanager.highlightCheckedRows();
           }
         }
       });
@@ -570,15 +767,15 @@ var DataTable = function () {
   }, {
     key: 'appendNextPagePromise',
     value: function appendNextPagePromise(start, end) {
-      var _this = this;
+      var _this2 = this;
 
       return new Promise(function (resolve) {
         setTimeout(function () {
-          var rows = _this.datamanager.getRows(start, end);
-          var data = _this.getDataForClusterize(rows);
+          var rows = _this2.datamanager.getRows(start, end);
+          var data = _this2.getDataForClusterize(rows);
 
-          _this.clusterize.append(data);
-          _this.log('dataAppended', rows.length);
+          _this2.clusterize.append(data);
+          _this2.log('dataAppended', rows.length);
           resolve();
         }, 0);
       });
@@ -590,438 +787,38 @@ var DataTable = function () {
         return (0, _utils.getRowHTML)(row, { rowIndex: row[0].rowIndex });
       });
     }
-  }, {
-    key: 'refreshRows',
-    value: function refreshRows() {
-      this.renderBody();
-      this.setDimensions();
-    }
-  }, {
-    key: 'bindEvents',
-    value: function bindEvents() {
-      this.bindResizeColumn();
-      this.bindSortColumn();
-      this.bindCheckbox();
-    }
   }, {
     key: 'setDimensions',
     value: function setDimensions() {
-      var self = this;
+      this.columnmanager.setDimensions();
 
-      if (!this.options.takeAvailableSpace) {
-        // setting width as 0 will ensure that the
-        // header doesn't take the available space
-        this.header.css({
-          width: 0
-        });
-      }
+      this.setBodyWidth();
 
-      this.header.css({
+      _dom2.default.style(this.bodyScrollable, {
+        marginTop: _dom2.default.style(this.header, 'height') + 'px'
+      });
+
+      _dom2.default.style((0, _dom2.default)('table', this.bodyScrollable), {
         margin: 0
       });
-
-      // cache minWidth for each column
-      this.minWidthMap = (0, _utils.getDefault)(this.minWidthMap, []);
-      this.header.find('.data-table-col').each(function () {
-        var col = $(this);
-        var width = parseInt(col.find('.content').css('width'), 10);
-        var colIndex = col.attr('data-col-index');
-
-        if (!self.minWidthMap[colIndex]) {
-          // only set this once
-          self.minWidthMap[colIndex] = width;
-        }
-      });
-
-      // set initial width as naturally calculated by table's first row
-      this.bodyScrollable.find('.data-table-row[data-row-index="0"] .data-table-col').each(function () {
-        var $cell = $(this);
-        var width = parseInt($cell.find('.content').css('width'), 10);
-        var height = parseInt($cell.find('.content').css('height'), 10);
-
-        var _self$getCellAttr = self.getCellAttr($cell),
-            colIndex = _self$getCellAttr.colIndex;
-
-        var minWidth = self.getColumnMinWidth(colIndex);
-
-        if (width < minWidth) {
-          width = minWidth;
-        }
-        self.setColumnWidth(colIndex, width);
-        self.setDefaultCellHeight(height);
-      });
-
-      this.setBodyWidth();
-
-      this.setStyle('.data-table .body-scrollable', {
-        'margin-top': this.header.height() + 'px'
-      });
-
-      // center align Sr. No column
-      if (this.options.addSerialNoColumn) {
-        var index = this.getSerialColumnIndex();
-
-        this.setStyle('.data-table [data-col-index="' + index + '"]', {
-          'text-align': 'center'
-        });
-      }
-
-      this.bodyScrollable.find('.table').css('margin', 0);
-    }
-  }, {
-    key: 'bindResizeColumn',
-    value: function bindResizeColumn() {
-      var self = this;
-      var isDragging = false;
-      var $currCell = void 0,
-          startWidth = void 0,
-          startX = void 0;
-
-      this.header.on('mousedown', '.data-table-col', function (e) {
-        $currCell = $(this);
-        var colIndex = $currCell.attr('data-col-index');
-        var col = self.getColumn(colIndex);
-
-        if (col && col.resizable === false) {
-          return;
-        }
-
-        isDragging = true;
-        startWidth = $currCell.find('.content').width();
-        startX = e.pageX;
-      });
-
-      $('body').on('mouseup', function (e) {
-        if (!$currCell) return;
-        isDragging = false;
-        var colIndex = $currCell.attr('data-col-index');
-
-        if ($currCell) {
-          var width = parseInt($currCell.find('.content').css('width'), 10);
-
-          self.setColumnWidth(colIndex, width);
-          self.setBodyWidth();
-          $currCell = null;
-        }
-      });
-
-      $('body').on('mousemove', function (e) {
-        if (!isDragging) return;
-        var finalWidth = startWidth + (e.pageX - startX);
-        var colIndex = $currCell.attr('data-col-index');
-
-        if (self.getColumnMinWidth(colIndex) > finalWidth) {
-          // don't resize past minWidth
-          return;
-        }
-
-        self.setColumnHeaderWidth(colIndex, finalWidth);
-      });
-    }
-  }, {
-    key: 'bindSortColumn',
-    value: function bindSortColumn() {
-      var self = this;
-
-      this.header.on('click', '.data-table-col .content span', function () {
-        var $cell = $(this).closest('.data-table-col');
-        var sortOrder = (0, _utils.getDefault)($cell.attr('data-sort-order'), 'none');
-        var colIndex = $cell.attr('data-col-index');
-        var col = self.getColumn(colIndex);
-
-        if (col && col.sortable === false) {
-          return;
-        }
-
-        // reset sort indicator
-        self.header.find('.sort-indicator').text('');
-        self.header.find('.data-table-col').attr('data-sort-order', 'none');
-
-        if (sortOrder === 'none') {
-          $cell.attr('data-sort-order', 'asc');
-          $cell.find('.sort-indicator').text('▲');
-        } else if (sortOrder === 'asc') {
-          $cell.attr('data-sort-order', 'desc');
-          $cell.find('.sort-indicator').text('▼');
-        } else if (sortOrder === 'desc') {
-          $cell.attr('data-sort-order', 'none');
-          $cell.find('.sort-indicator').text('');
-        }
-
-        // sortWith this action
-        sortOrder = $cell.attr('data-sort-order');
-
-        if (self.events && self.events.onSort) {
-          self.events.onSort(colIndex, sortOrder);
-        } else {
-          self.sortRows(colIndex, sortOrder);
-          self.refreshRows();
-        }
-      });
-    }
-  }, {
-    key: 'sortRows',
-    value: function sortRows(colIndex, sortOrder) {
-      this.datamanager.sortRows(colIndex, sortOrder);
-    }
-  }, {
-    key: 'bindCheckbox',
-    value: function bindCheckbox() {
-      if (!this.options.addCheckboxColumn) return;
-      var self = this;
-
-      this.wrapper.on('click', '.data-table-col[data-col-index="0"] [type="checkbox"]', function () {
-        var $checkbox = $(this);
-        var $cell = $checkbox.closest('.data-table-col');
-
-        var _self$getCellAttr2 = self.getCellAttr($cell),
-            rowIndex = _self$getCellAttr2.rowIndex,
-            isHeader = _self$getCellAttr2.isHeader;
-
-        var checked = $checkbox.is(':checked');
-
-        if (isHeader) {
-          self.checkAll(checked);
-        } else {
-          self.checkRow(rowIndex, checked);
-        }
-      });
-    }
-  }, {
-    key: 'getCheckedRows',
-    value: function getCheckedRows() {
-
-      return this.checkMap.map(function (c, rowIndex) {
-        if (c) {
-          return rowIndex;
-        }
-        return null;
-      }).filter(function (c) {
-        return c !== null || c !== undefined;
-      });
-    }
-  }, {
-    key: 'highlightCheckedRows',
-    value: function highlightCheckedRows() {
-      var _this2 = this;
-
-      this.getCheckedRows().map(function (rowIndex) {
-        return _this2.checkRow(rowIndex, true);
-      });
-    }
-  }, {
-    key: 'checkRow',
-    value: function checkRow(rowIndex, toggle) {
-      var value = toggle ? 1 : 0;
-
-      // update internal map
-      this.checkMap[rowIndex] = value;
-      // set checkbox value explicitly
-      this.bodyScrollable.find('.data-table-col[data-row-index="' + rowIndex + '"][data-col-index="0"] [type="checkbox"]').prop('checked', toggle);
-      // highlight row
-      this.highlightRow(rowIndex, toggle);
-    }
-  }, {
-    key: 'checkAll',
-    value: function checkAll(toggle) {
-      var value = toggle ? 1 : 0;
-
-      // update internal map
-      if (toggle) {
-        this.checkMap = Array.from(Array(this.getTotalRows())).map(function (c) {
-          return value;
-        });
-      } else {
-        this.checkMap = [];
-      }
-      // set checkbox value
-      this.bodyScrollable.find('.data-table-col[data-col-index="0"] [type="checkbox"]').prop('checked', toggle);
-      // highlight all
-      this.highlightAll(toggle);
-    }
-  }, {
-    key: 'highlightRow',
-    value: function highlightRow(rowIndex) {
-      var toggle = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
-
-      var $row = this.bodyScrollable.find('.data-table-row[data-row-index="' + rowIndex + '"]');
-
-      if (toggle) {
-        $row.addClass('row-highlight');
-      } else {
-        $row.removeClass('row-highlight');
-      }
-    }
-  }, {
-    key: 'highlightAll',
-    value: function highlightAll() {
-      var toggle = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
-
-      this.bodyScrollable.find('.data-table-row').toggleClass('row-highlight', toggle);
-    }
-  }, {
-    key: 'setColumnWidth',
-    value: function setColumnWidth(colIndex, width) {
-      // set width for content
-      this.setStyle('[data-col-index="' + colIndex + '"] .content', {
-        width: width + 'px'
-      });
-      // set width for edit cell
-      this.setStyle('[data-col-index="' + colIndex + '"] .edit-cell', {
-        width: width + 'px'
-      });
-    }
-  }, {
-    key: 'setColumnHeaderWidth',
-    value: function setColumnHeaderWidth(colIndex, width) {
-      this.setStyle('[data-col-index="' + colIndex + '"][data-is-header] .content', {
-        width: width + 'px'
-      });
-    }
-  }, {
-    key: 'setDefaultCellHeight',
-    value: function setDefaultCellHeight(height) {
-      this.setStyle('.data-table-col .content', {
-        height: height + 'px'
-      });
-    }
-  }, {
-    key: 'setRowHeight',
-    value: function setRowHeight(rowIndex, height) {
-      this.setStyle('[data-row-index="' + rowIndex + '"] .content', {
-        height: height + 'px'
-      });
-    }
-  }, {
-    key: 'setColumnWidths',
-    value: function setColumnWidths() {
-      var _this3 = this;
-
-      var availableWidth = this.wrapper.width();
-      var headerWidth = this.header.width();
-
-      if (headerWidth > availableWidth) {
-        // don't resize, horizontal scroll takes place
-        return;
-      }
-
-      var columns = this.datamanager.getColumns();
-      var deltaWidth = (availableWidth - headerWidth) / this.datamanager.getColumnCount();
-
-      columns.map(function (col) {
-        var width = _this3.getColumnHeaderElement(col.colIndex).width();
-        var finalWidth = width + deltaWidth - 16;
-
-        if (_this3.options.addSerialNoColumn && col.colIndex === 0) {
-          return;
-        }
-
-        _this3.setColumnHeaderWidth(col.colIndex, finalWidth);
-        _this3.setColumnWidth(col.colIndex, finalWidth);
-      });
-      this.setBodyWidth();
     }
   }, {
     key: 'setBodyWidth',
     value: function setBodyWidth() {
-      this.bodyScrollable.css('width', parseInt(this.header.css('width'), 10));
-    }
-  }, {
-    key: 'setStyle',
-    value: function setStyle(rule, styleMap) {
-      var styles = this.$style.text();
+      var width = _dom2.default.style(this.header, 'width');
 
-      styles = (0, _utils.buildCSSRule)(rule, styleMap, styles);
-      this.$style.html(styles);
-    }
-  }, {
-    key: 'removeStyle',
-    value: function removeStyle(rule) {
-      var styles = this.$style.text();
-
-      styles = (0, _utils.removeCSSRule)(rule, styles);
-      this.$style.html(styles);
-    }
-  }, {
-    key: 'makeStyle',
-    value: function makeStyle() {
-      this.$style = $('<style data-id="datatable"></style>').prependTo(this.wrapper);
-    }
-  }, {
-    key: 'getColumn',
-    value: function getColumn(colIndex) {
-      return this.datamanager.getColumn(colIndex);
-    }
-  }, {
-    key: 'getRow',
-    value: function getRow(rowIndex) {
-      return this.datamanager.getRow(rowIndex);
-    }
-  }, {
-    key: 'getCell',
-    value: function getCell(colIndex, rowIndex) {
-      return this.datamanager.getCell(colIndex, rowIndex);
+      _dom2.default.style(this.bodyScrollable, { width: width + 'px' });
     }
   }, {
     key: 'getColumnHeaderElement',
     value: function getColumnHeaderElement(colIndex) {
-      colIndex = +colIndex;
-      if (colIndex < 0) return null;
-      return this.wrapper.find('.data-table-col[data-is-header][data-col-index="' + colIndex + '"]');
-    }
-  }, {
-    key: 'getColumnMinWidth',
-    value: function getColumnMinWidth(colIndex) {
-      colIndex = +colIndex;
-      return this.minWidthMap && this.minWidthMap[colIndex];
-    }
-  }, {
-    key: 'getCellAttr',
-    value: function getCellAttr($cell) {
-      return $cell.data();
-    }
-  }, {
-    key: 'getTotalRows',
-    value: function getTotalRows() {
-      return this.datamanager.getRowCount();
-    }
-  }, {
-    key: 'getFirstColumnIndex',
-    value: function getFirstColumnIndex() {
-      if (this.options.addCheckboxColumn && this.options.addSerialNoColumn) {
-        return 2;
-      }
-
-      if (this.options.addCheckboxColumn || this.options.addSerialNoColumn) {
-        return 1;
-      }
-
-      return 0;
-    }
-  }, {
-    key: 'getLastColumnIndex',
-    value: function getLastColumnIndex() {
-      return this.datamanager.getColumnCount() - 1;
-    }
-  }, {
-    key: 'getLastRowIndex',
-    value: function getLastRowIndex() {
-      return this.datamanager.getRowCount() - 1;
-    }
-  }, {
-    key: 'getSerialColumnIndex',
-    value: function getSerialColumnIndex() {
-      var columns = this.datamanager.getColumns();
-
-      return columns.findIndex(function (column) {
-        return column.content.includes('Sr. No');
-      });
+      return this.columnmanager.getColumnHeaderElement(colIndex);
     }
   }, {
     key: 'getViewportHeight',
     value: function getViewportHeight() {
       if (!this.viewportHeight) {
-        this.viewportHeight = this.bodyScrollable.height();
+        this.viewportHeight = _dom2.default.style(this.bodyScrollable, 'height');
       }
 
       return this.viewportHeight;
@@ -1042,7 +839,7 @@ exports.default = DataTable;
 module.exports = exports['default'];
 
 /***/ }),
-/* 3 */
+/* 4 */
 /***/ (function(module, exports, __webpack_require__) {
 
 "use strict";
@@ -1056,6 +853,8 @@ var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
 
+var _utils = __webpack_require__(0);
+
 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
 
 var DataManager = function () {
@@ -1079,6 +878,8 @@ var DataManager = function () {
 
       this.columns = this.prepareColumns(columns);
       this.rows = this.prepareRows(rows);
+
+      this.prepareNumericColumns();
     }
   }, {
     key: 'prepareColumns',
@@ -1091,7 +892,8 @@ var DataManager = function () {
         var val = {
           content: 'Sr. No',
           editable: false,
-          resizable: false
+          resizable: false,
+          align: 'center'
         };
 
         columns = [val].concat(columns);
@@ -1102,7 +904,8 @@ var DataManager = function () {
         var _val = {
           content: '<input type="checkbox" />',
           editable: false,
-          resizable: false
+          resizable: false,
+          sortable: false
         };
 
         columns = [_val].concat(columns);
@@ -1124,6 +927,20 @@ var DataManager = function () {
         isHeader: 1
       });
     }
+  }, {
+    key: 'prepareNumericColumns',
+    value: function prepareNumericColumns() {
+      var row0 = this.getRow(0);
+      this.columns = this.columns.map(function (column, i) {
+
+        var cellValue = row0[i].content;
+        if (!column.align && cellValue && (0, _utils.isNumeric)(cellValue)) {
+          column.align = 'right';
+        }
+
+        return column;
+      });
+    }
   }, {
     key: 'prepareRows',
     value: function prepareRows(rows) {
@@ -1238,13 +1055,38 @@ var DataManager = function () {
     }
   }, {
     key: 'getColumns',
-    value: function getColumns() {
-      return this.columns;
+    value: function getColumns(skipStandardColumns) {
+      var columns = this.columns;
+
+      if (skipStandardColumns) {
+        columns = columns.slice(this.getStandardColumnCount());
+      }
+
+      return columns;
+    }
+  }, {
+    key: 'getStandardColumnCount',
+    value: function getStandardColumnCount() {
+      if (this.options.addCheckboxColumn && this.options.addSerialNoColumn) {
+        return 2;
+      }
+
+      if (this.options.addCheckboxColumn || this.options.addSerialNoColumn) {
+        return 1;
+      }
+
+      return 0;
     }
   }, {
     key: 'getColumnCount',
-    value: function getColumnCount() {
-      return this.columns.length;
+    value: function getColumnCount(skipStandardColumns) {
+      var val = this.columns.length;
+
+      if (skipStandardColumns) {
+        val = val - this.getStandardColumnCount();
+      }
+
+      return val;
     }
   }, {
     key: 'getColumn',
@@ -1316,7 +1158,7 @@ function prepareCell(col, i) {
 module.exports = exports['default'];
 
 /***/ }),
-/* 4 */
+/* 5 */
 /***/ (function(module, exports, __webpack_require__) {
 
 "use strict";
@@ -1328,16 +1170,18 @@ Object.defineProperty(exports, "__esModule", {
 
 var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 
-var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
-
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
 
 var _utils = __webpack_require__(0);
 
-var _keyboard = __webpack_require__(5);
+var _keyboard = __webpack_require__(6);
 
 var _keyboard2 = _interopRequireDefault(_keyboard);
 
+var _dom = __webpack_require__(1);
+
+var _dom2 = _interopRequireDefault(_dom);
+
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
 function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
@@ -1349,25 +1193,21 @@ var CellManager = function () {
     _classCallCheck(this, CellManager);
 
     this.instance = instance;
+    this.wrapper = this.instance.wrapper;
     this.options = this.instance.options;
+    this.style = this.instance.style;
     this.bodyScrollable = this.instance.bodyScrollable;
+    this.columnmanager = this.instance.columnmanager;
+    this.rowmanager = this.instance.rowmanager;
 
-    this.prepare();
     this.bindEvents();
   }
 
   _createClass(CellManager, [{
-    key: 'prepare',
-    value: function prepare() {
-      this.$borderOutline = this.instance.$borders.find('.border-outline');
-      this.$borderBg = this.instance.$borders.find('.border-background');
-    }
-  }, {
     key: 'bindEvents',
     value: function bindEvents() {
       this.bindFocusCell();
       this.bindEditCell();
-      this.bindKeyboardNav();
       this.bindKeyboardSelection();
       this.bindCopyCellContents();
       this.bindMouseEvents();
@@ -1375,102 +1215,94 @@ var CellManager = function () {
   }, {
     key: 'bindFocusCell',
     value: function bindFocusCell() {
-      var _this = this;
-
-      var bodyScrollable = this.instance.bodyScrollable;
-
-      this.$focusedCell = null;
-      bodyScrollable.on('click', '.data-table-col', function (e) {
-        _this.focusCell($(e.currentTarget));
-      });
+      this.bindKeyboardNav();
     }
   }, {
     key: 'bindEditCell',
     value: function bindEditCell() {
-      var _this2 = this;
-
-      var self = this;
+      var _this = this;
 
       this.$editingCell = null;
-      this.bodyScrollable.on('dblclick', '.data-table-col', function () {
-        self.activateEditing($(this));
+
+      _dom2.default.on(this.bodyScrollable, 'dblclick', '.data-table-col', function (e, cell) {
+        _this.activateEditing(cell);
       });
 
       _keyboard2.default.on('enter', function (e) {
-        if (_this2.$focusedCell && !_this2.$editingCell) {
+        if (_this.$focusedCell && !_this.$editingCell) {
           // enter keypress on focused cell
-          _this2.activateEditing(_this2.$focusedCell);
-        } else if (_this2.$editingCell) {
+          _this.activateEditing(_this.$focusedCell);
+        } else if (_this.$editingCell) {
           // enter keypress on editing cell
-          _this2.submitEditing(_this2.$editingCell);
-          _this2.deactivateEditing();
+          _this.submitEditing(_this.$editingCell);
+          _this.deactivateEditing();
         }
       });
 
-      $(document.body).on('click', function (e) {
-        if ($(e.target).is('.edit-cell, .edit-cell *')) return;
-        _this2.deactivateEditing();
+      _dom2.default.on(document.body, 'click', function (e) {
+        if (e.target.matches('.edit-cell, .edit-cell *')) return;
+        _this.deactivateEditing();
       });
     }
   }, {
     key: 'bindKeyboardNav',
     value: function bindKeyboardNav() {
-      var _this3 = this;
+      var _this2 = this;
 
       var focusCell = function focusCell(direction) {
-        if (!_this3.$focusedCell || _this3.$editingCell) {
+        if (!_this2.$focusedCell || _this2.$editingCell) {
           return false;
         }
 
-        var $cell = _this3.$focusedCell;
+        var $cell = _this2.$focusedCell;
 
         if (direction === 'left') {
-          $cell = _this3.getLeftCell$($cell);
+          $cell = _this2.getLeftCell$($cell);
         } else if (direction === 'right') {
-          $cell = _this3.getRightCell$($cell);
+          $cell = _this2.getRightCell$($cell);
         } else if (direction === 'up') {
-          $cell = _this3.getAboveCell$($cell);
+          $cell = _this2.getAboveCell$($cell);
         } else if (direction === 'down') {
-          $cell = _this3.getBelowCell$($cell);
+          $cell = _this2.getBelowCell$($cell);
         }
 
-        _this3.focusCell($cell);
+        _this2.focusCell($cell);
         return true;
       };
 
       var focusLastCell = function focusLastCell(direction) {
-        if (!_this3.$focusedCell || _this3.$editingCell) {
+        if (!_this2.$focusedCell || _this2.$editingCell) {
           return false;
         }
 
-        var $cell = _this3.$focusedCell;
+        var $cell = _this2.$focusedCell;
 
-        var _getCellAttr = _this3.getCellAttr($cell),
-            rowIndex = _getCellAttr.rowIndex,
-            colIndex = _getCellAttr.colIndex;
+        var _$$data = _dom2.default.data($cell),
+            rowIndex = _$$data.rowIndex,
+            colIndex = _$$data.colIndex;
 
         if (direction === 'left') {
-          $cell = _this3.getLeftMostCell$(rowIndex);
+          $cell = _this2.getLeftMostCell$(rowIndex);
         } else if (direction === 'right') {
-          $cell = _this3.getRightMostCell$(rowIndex);
+          $cell = _this2.getRightMostCell$(rowIndex);
         } else if (direction === 'up') {
-          $cell = _this3.getTopMostCell$(colIndex);
+          $cell = _this2.getTopMostCell$(colIndex);
         } else if (direction === 'down') {
-          $cell = _this3.getBottomMostCell$(colIndex);
+          $cell = _this2.getBottomMostCell$(colIndex);
         }
 
-        _this3.focusCell($cell);
+        _this2.focusCell($cell);
         return true;
       };
 
       var scrollToCell = function scrollToCell(direction) {
-        if (!_this3.$focusedCell) return false;
+        if (!_this2.$focusedCell) return false;
 
-        if (!_this3.inViewport(_this3.$focusedCell)) {
-          var _getCellAttr2 = _this3.getCellAttr(_this3.$focusedCell),
-              rowIndex = _getCellAttr2.rowIndex;
+        if (!_this2.inViewport(_this2.$focusedCell)) {
+          var _$$data2 = _dom2.default.data(_this2.$focusedCell),
+              rowIndex = _$$data2.rowIndex;
 
-          _this3.scrollToRow(rowIndex - _this3.getRowCountPerPage() + 2);
+          _this2.scrollToRow(rowIndex - _this2.getRowCountPerPage() + 2);
           return true;
         }
 
@@ -1496,25 +1328,25 @@ var CellManager = function () {
       });
 
       _keyboard2.default.on('esc', function () {
-        _this3.deactivateEditing();
+        _this2.deactivateEditing();
       });
     }
   }, {
     key: 'bindKeyboardSelection',
     value: function bindKeyboardSelection() {
-      var _this4 = this;
+      var _this3 = this;
 
       var getNextSelectionCursor = function getNextSelectionCursor(direction) {
-        var $selectionCursor = _this4.getSelectionCursor();
+        var $selectionCursor = _this3.getSelectionCursor();
 
         if (direction === 'left') {
-          $selectionCursor = _this4.getLeftCell$($selectionCursor);
+          $selectionCursor = _this3.getLeftCell$($selectionCursor);
         } else if (direction === 'right') {
-          $selectionCursor = _this4.getRightCell$($selectionCursor);
+          $selectionCursor = _this3.getRightCell$($selectionCursor);
         } else if (direction === 'up') {
-          $selectionCursor = _this4.getAboveCell$($selectionCursor);
+          $selectionCursor = _this3.getAboveCell$($selectionCursor);
         } else if (direction === 'down') {
-          $selectionCursor = _this4.getBelowCell$($selectionCursor);
+          $selectionCursor = _this3.getBelowCell$($selectionCursor);
         }
 
         return $selectionCursor;
@@ -1522,49 +1354,50 @@ var CellManager = function () {
 
       ['left', 'right', 'up', 'down'].map(function (direction) {
         return _keyboard2.default.on('shift+' + direction, function () {
-          return _this4.selectArea(getNextSelectionCursor(direction));
+          return _this3.selectArea(getNextSelectionCursor(direction));
         });
       });
     }
   }, {
     key: 'bindCopyCellContents',
     value: function bindCopyCellContents() {
-      var _this5 = this;
+      var _this4 = this;
 
       _keyboard2.default.on('ctrl+c', function () {
-        _this5.copyCellContents(_this5.$focusedCell, _this5.$selectionCursor);
+        _this4.copyCellContents(_this4.$focusedCell, _this4.$selectionCursor);
       });
     }
   }, {
     key: 'bindMouseEvents',
     value: function bindMouseEvents() {
-      var _this6 = this;
+      var _this5 = this;
 
       var mouseDown = null;
 
-      this.bodyScrollable.on('mousedown', '.data-table-col', function (e) {
+      _dom2.default.on(this.bodyScrollable, 'mousedown', '.data-table-col', function (e) {
         mouseDown = true;
-        _this6.focusCell($(e.currentTarget));
+        _this5.focusCell((0, _dom2.default)(e.delegatedTarget));
       });
 
-      this.bodyScrollable.on('mouseup', function () {
+      _dom2.default.on(this.bodyScrollable, 'mouseup', function () {
         mouseDown = false;
       });
 
-      this.bodyScrollable.on('mousemove', '.data-table-col', function (e) {
+      _dom2.default.on(this.bodyScrollable, 'mousemove', '.data-table-col', function (e) {
         if (!mouseDown) return;
-        _this6.selectArea($(e.currentTarget));
+        _this5.selectArea((0, _dom2.default)(e.delegatedTarget));
       });
     }
   }, {
     key: 'focusCell',
     value: function focusCell($cell) {
-      if (!$cell.length) return;
+      if (!$cell) return;
 
-      var _getCellAttr3 = this.getCellAttr($cell),
-          colIndex = _getCellAttr3.colIndex;
+      var _$$data3 = _dom2.default.data($cell),
+          colIndex = _$$data3.colIndex,
+          isHeader = _$$data3.isHeader;
 
-      if (this.isStandardCell(colIndex)) {
+      if (this.isStandardCell(colIndex) || isHeader) {
         return;
       }
 
@@ -1576,42 +1409,37 @@ var CellManager = function () {
       }
 
       if (this.$focusedCell) {
-        this.$focusedCell.removeClass('selected');
+        this.$focusedCell.classList.remove('selected');
       }
 
       this.$focusedCell = $cell;
-      $cell.addClass('selected');
+      $cell.classList.add('selected');
 
       this.highlightRowColumnHeader($cell);
     }
   }, {
     key: 'highlightRowColumnHeader',
     value: function highlightRowColumnHeader($cell) {
-      var _getCellAttr4 = this.getCellAttr($cell),
-          colIndex = _getCellAttr4.colIndex,
-          rowIndex = _getCellAttr4.rowIndex;
+      var _$$data4 = _dom2.default.data($cell),
+          colIndex = _$$data4.colIndex,
+          rowIndex = _$$data4.rowIndex;
 
-      var _colIndex = this.instance.getSerialColumnIndex();
+      var _colIndex = this.columnmanager.getSerialColumnIndex();
       var colHeaderSelector = '.data-table-header .data-table-col[data-col-index="' + colIndex + '"]';
       var rowHeaderSelector = '.data-table-col[data-row-index="' + rowIndex + '"][data-col-index="' + _colIndex + '"]';
 
-      if (this.lastSelectors) {
-        this.instance.removeStyle(this.lastSelectors.colHeaderSelector);
-        this.instance.removeStyle(this.lastSelectors.rowHeaderSelector);
+      if (this.lastHeaders) {
+        _dom2.default.removeStyle(this.lastHeaders, 'backgroundColor');
       }
 
-      this.instance.setStyle(colHeaderSelector, {
-        'background-color': 'var(--light-bg)'
+      var colHeader = (0, _dom2.default)(colHeaderSelector, this.wrapper);
+      var rowHeader = (0, _dom2.default)(rowHeaderSelector, this.wrapper);
+
+      _dom2.default.style([colHeader, rowHeader], {
+        backgroundColor: 'var(--light-bg)'
       });
 
-      this.instance.setStyle(rowHeaderSelector, {
-        'background-color': 'var(--light-bg)'
-      });
-
-      this.lastSelectors = {
-        colHeaderSelector: colHeaderSelector,
-        rowHeaderSelector: rowHeaderSelector
-      };
+      this.lastHeaders = [colHeader, rowHeader];
     }
   }, {
     key: 'selectArea',
@@ -1626,21 +1454,19 @@ var CellManager = function () {
   }, {
     key: '_selectArea',
     value: function _selectArea($cell1, $cell2) {
-      var _this7 = this;
+      var _this6 = this;
 
-      var cells = this.getCellsInRange.apply(this, arguments);
+      if ($cell1 === $cell2) return false;
 
+      var cells = this.getCellsInRange($cell1, $cell2);
       if (!cells) return false;
+
       this.clearSelection();
-      var $cells = cells.map(function (_ref) {
-        var _ref2 = _slicedToArray(_ref, 2),
-            c = _ref2[0],
-            r = _ref2[1];
-
-        return _this7.getCell$(r, c)[0];
+      cells.map(function (index) {
+        return _this6.getCell$.apply(_this6, _toConsumableArray(index));
+      }).map(function ($cell) {
+        return $cell.classList.add('highlight');
       });
-
-      $($cells).addClass('highlight');
       return true;
     }
   }, {
@@ -1660,12 +1486,12 @@ var CellManager = function () {
         rowIndex2 = _arguments[3];
       } else if ((typeof $cell1 === 'undefined' ? 'undefined' : _typeof($cell1)) === 'object') {
 
-        if (!($cell1.length && $cell2.length)) {
+        if (!($cell1 && $cell2)) {
           return false;
         }
 
-        var cell1 = this.getCellAttr($cell1);
-        var cell2 = this.getCellAttr($cell2);
+        var cell1 = _dom2.default.data($cell1);
+        var cell2 = _dom2.default.data($cell2);
 
         colIndex1 = cell1.colIndex;
         rowIndex1 = cell1.rowIndex;
@@ -1674,15 +1500,15 @@ var CellManager = function () {
       }
 
       if (rowIndex1 > rowIndex2) {
-        var _ref3 = [rowIndex2, rowIndex1];
-        rowIndex1 = _ref3[0];
-        rowIndex2 = _ref3[1];
+        var _ref = [rowIndex2, rowIndex1];
+        rowIndex1 = _ref[0];
+        rowIndex2 = _ref[1];
       }
 
       if (colIndex1 > colIndex2) {
-        var _ref4 = [colIndex2, colIndex1];
-        colIndex1 = _ref4[0];
-        colIndex2 = _ref4[1];
+        var _ref2 = [colIndex2, colIndex1];
+        colIndex1 = _ref2[0];
+        colIndex2 = _ref2[1];
       }
 
       if (this.isStandardCell(colIndex1) || this.isStandardCell(colIndex2)) {
@@ -1712,7 +1538,10 @@ var CellManager = function () {
   }, {
     key: 'clearSelection',
     value: function clearSelection() {
-      this.bodyScrollable.find('.data-table-col.highlight').removeClass('highlight');
+      _dom2.default.each('.data-table-col.highlight', this.bodyScrollable).map(function (cell) {
+        return cell.classList.remove('highlight');
+      });
+
       this.$selectionCursor = null;
     }
   }, {
@@ -1723,20 +1552,20 @@ var CellManager = function () {
   }, {
     key: 'activateEditing',
     value: function activateEditing($cell) {
-      var _getCellAttr5 = this.getCellAttr($cell),
-          rowIndex = _getCellAttr5.rowIndex,
-          colIndex = _getCellAttr5.colIndex;
+      var _$$data5 = _dom2.default.data($cell),
+          rowIndex = _$$data5.rowIndex,
+          colIndex = _$$data5.colIndex;
 
-      var col = this.instance.getColumn(colIndex);
+      var col = this.instance.columnmanager.getColumn(colIndex);
 
       if (col && col.editable === false) {
         return;
       }
 
       if (this.$editingCell) {
-        var _getCellAttr6 = this.getCellAttr(this.$editingCell),
-            _rowIndex = _getCellAttr6._rowIndex,
-            _colIndex = _getCellAttr6._colIndex;
+        var _$$data6 = _dom2.default.data(this.$editingCell),
+            _rowIndex = _$$data6._rowIndex,
+            _colIndex = _$$data6._colIndex;
 
         if (rowIndex === _rowIndex && colIndex === _colIndex) {
           // editing the same cell
@@ -1745,9 +1574,11 @@ var CellManager = function () {
       }
 
       this.$editingCell = $cell;
-      $cell.addClass('editing');
+      $cell.classList.add('editing');
+
+      var $editCell = (0, _dom2.default)('.edit-cell', $cell);
+      $editCell.innerHTML = '';
 
-      var $editCell = $cell.find('.edit-cell').empty();
       var cell = this.getCell(colIndex, rowIndex);
       var editing = this.getEditingObject(colIndex, rowIndex, cell.content, $editCell);
 
@@ -1761,7 +1592,7 @@ var CellManager = function () {
     key: 'deactivateEditing',
     value: function deactivateEditing() {
       if (!this.$editingCell) return;
-      this.$editingCell.removeClass('editing');
+      this.$editingCell.classList.remove('editing');
       this.$editingCell = null;
     }
   }, {
@@ -1772,31 +1603,32 @@ var CellManager = function () {
       }
 
       // editing fallback
-      var $input = $('<input type="text" />');
-
-      parent.append($input);
+      var $input = _dom2.default.create('input', {
+        type: 'text',
+        inside: parent
+      });
 
       return {
         initValue: function initValue(value) {
           $input.focus();
-          return $input.val(value);
+          $input.value = value;
         },
         getValue: function getValue() {
-          return $input.val();
+          return $input.value;
         },
         setValue: function setValue(value) {
-          return $input.val(value);
+          $input.value = value;
         }
       };
     }
   }, {
     key: 'submitEditing',
     value: function submitEditing($cell) {
-      var _this8 = this;
+      var _this7 = this;
 
-      var _getCellAttr7 = this.getCellAttr($cell),
-          rowIndex = _getCellAttr7.rowIndex,
-          colIndex = _getCellAttr7.colIndex;
+      var _$$data7 = _dom2.default.data($cell),
+          rowIndex = _$$data7.rowIndex,
+          colIndex = _$$data7.colIndex;
 
       if ($cell) {
         var editing = this.currentCellEditing;
@@ -1808,7 +1640,7 @@ var CellManager = function () {
           if (done && done.then) {
             // wait for promise then update internal state
             done.then(function () {
-              return _this8.updateCell(rowIndex, colIndex, value);
+              return _this7.updateCell(rowIndex, colIndex, value);
             });
           } else {
             this.updateCell(rowIndex, colIndex, value);
@@ -1821,16 +1653,16 @@ var CellManager = function () {
   }, {
     key: 'copyCellContents',
     value: function copyCellContents($cell1, $cell2) {
-      var _this9 = this;
+      var _this8 = this;
 
-      var cells = this.getCellsInRange.apply(this, arguments);
+      var cells = this.getCellsInRange($cell1, $cell2);
 
       if (!cells) return;
 
       var values = cells
       // get cell objects
       .map(function (index) {
-        return _this9.getCell.apply(_this9, _toConsumableArray(index));
+        return _this8.getCell.apply(_this8, _toConsumableArray(index));
       })
       // convert to array of rows
       .reduce(function (acc, curr) {
@@ -1862,70 +1694,70 @@ var CellManager = function () {
     key: 'refreshCell',
     value: function refreshCell(cell) {
       var selector = '.data-table-col[data-row-index="' + cell.rowIndex + '"][data-col-index="' + cell.colIndex + '"]';
-      var $cell = this.bodyScrollable.find(selector);
+      var $cell = (0, _dom2.default)(selector, this.bodyScrollable);
 
-      $cell.html((0, _utils.getCellContent)(cell));
+      $cell.innerHTML = (0, _utils.getCellContent)(cell);
     }
   }, {
     key: 'isStandardCell',
     value: function isStandardCell(colIndex) {
       // Standard cells are in Sr. No and Checkbox column
-      return colIndex < this.instance.getFirstColumnIndex();
+      return colIndex < this.columnmanager.getFirstColumnIndex();
     }
   }, {
     key: 'getCell$',
-    value: function getCell$(rowIndex, colIndex) {
-      return this.bodyScrollable.find('.data-table-col[data-row-index="' + rowIndex + '"][data-col-index="' + colIndex + '"]');
+    value: function getCell$(colIndex, rowIndex) {
+      return (0, _dom2.default)('.data-table-col[data-row-index="' + rowIndex + '"][data-col-index="' + colIndex + '"]', this.bodyScrollable);
     }
   }, {
     key: 'getAboveCell$',
     value: function getAboveCell$($cell) {
-      var _getCellAttr8 = this.getCellAttr($cell),
-          colIndex = _getCellAttr8.colIndex;
+      var _$$data8 = _dom2.default.data($cell),
+          colIndex = _$$data8.colIndex;
 
-      var $aboveRow = $cell.parent().prev();
+      var $aboveRow = $cell.parentElement.previousElementSibling;
 
-      return $aboveRow.find('[data-col-index="' + colIndex + '"]');
+      return (0, _dom2.default)('[data-col-index="' + colIndex + '"]', $aboveRow);
     }
   }, {
     key: 'getBelowCell$',
     value: function getBelowCell$($cell) {
-      var _getCellAttr9 = this.getCellAttr($cell),
-          colIndex = _getCellAttr9.colIndex;
+      var _$$data9 = _dom2.default.data($cell),
+          colIndex = _$$data9.colIndex;
 
-      var $belowRow = $cell.parent().next();
+      var $belowRow = $cell.parentElement.nextElementSibling;
 
-      return $belowRow.find('[data-col-index="' + colIndex + '"]');
+      return (0, _dom2.default)('[data-col-index="' + colIndex + '"]', $belowRow);
     }
   }, {
     key: 'getLeftCell$',
     value: function getLeftCell$($cell) {
-      return $cell.prev();
+      return $cell.previousElementSibling;
     }
   }, {
     key: 'getRightCell$',
     value: function getRightCell$($cell) {
-      return $cell.next();
+      return $cell.nextElementSibling;
     }
   }, {
     key: 'getLeftMostCell$',
     value: function getLeftMostCell$(rowIndex) {
-      return this.getCell$(rowIndex, this.instance.getFirstColumnIndex());
+      return this.getCell$(rowIndex, this.columnmanager.getFirstColumnIndex());
     }
   }, {
     key: 'getRightMostCell$',
     value: function getRightMostCell$(rowIndex) {
-      return this.getCell$(rowIndex, this.instance.getLastColumnIndex());
+      return this.getCell$(rowIndex, this.columnmanager.getLastColumnIndex());
     }
   }, {
     key: 'getTopMostCell$',
     value: function getTopMostCell$(colIndex) {
-      return this.getCell$(0, colIndex);
+      return this.getCell$(this.rowmanager.getFirstRowIndex(), colIndex);
     }
   }, {
     key: 'getBottomMostCell$',
     value: function getBottomMostCell$(colIndex) {
-      return this.getCell$(this.instance.getLastRowIndex(), colIndex);
+      return this.getCell$(this.rowmanager.getLastRowIndex(), colIndex);
     }
   }, {
     key: 'getCell',
@@ -1935,18 +1767,18 @@ var CellManager = function () {
   }, {
     key: 'getCellAttr',
     value: function getCellAttr($cell) {
-      return $cell.data();
+      return this.instance.getCellAttr($cell);
     }
   }, {
     key: 'getRowHeight',
     value: function getRowHeight() {
-      return this.bodyScrollable.find('.data-table-row:first').height();
+      return _dom2.default.style((0, _dom2.default)('.data-table-row', this.bodyScrollable), 'height');
     }
   }, {
     key: 'inViewport',
     value: function inViewport($cell) {
       var colIndex = void 0,
-          rowIndex = void 0;
+          rowIndex = void 0; // eslint-disable-line
 
       if (typeof $cell === 'number') {
         var _arguments2 = Array.prototype.slice.call(arguments);
@@ -1954,7 +1786,7 @@ var CellManager = function () {
         colIndex = _arguments2[0];
         rowIndex = _arguments2[1];
       } else {
-        var cell = this.getCellAttr($cell);
+        var cell = _dom2.default.data($cell);
 
         colIndex = cell.colIndex;
         rowIndex = cell.rowIndex;
@@ -1964,7 +1796,7 @@ var CellManager = function () {
       var rowHeight = this.getRowHeight();
       var rowOffset = rowIndex * rowHeight;
 
-      var scrollTopOffset = this.bodyScrollable[0].scrollTop;
+      var scrollTopOffset = this.bodyScrollable.scrollTop;
 
       if (rowOffset - scrollTopOffset + rowHeight < viewportHeight) {
         return true;
@@ -1975,8 +1807,8 @@ var CellManager = function () {
   }, {
     key: 'scrollToCell',
     value: function scrollToCell($cell) {
-      var _getCellAttr10 = this.getCellAttr($cell),
-          rowIndex = _getCellAttr10.rowIndex;
+      var _$$data10 = _dom2.default.data($cell),
+          rowIndex = _$$data10.rowIndex;
 
       this.scrollToRow(rowIndex);
     }
@@ -1990,7 +1822,7 @@ var CellManager = function () {
     value: function scrollToRow(rowIndex) {
       var offset = rowIndex * this.getRowHeight();
 
-      this.bodyScrollable[0].scrollTop = offset;
+      this.bodyScrollable.scrollTop = offset;
     }
   }]);
 
@@ -2001,7 +1833,7 @@ exports.default = CellManager;
 module.exports = exports['default'];
 
 /***/ }),
-/* 5 */
+/* 6 */
 /***/ (function(module, exports, __webpack_require__) {
 
 "use strict";
@@ -2010,6 +1842,13 @@ module.exports = exports['default'];
 Object.defineProperty(exports, "__esModule", {
   value: true
 });
+
+var _dom = __webpack_require__(1);
+
+var _dom2 = _interopRequireDefault(_dom);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
 var KEYCODES = {
   13: 'enter',
   91: 'meta',
@@ -2028,7 +1867,7 @@ var KEYCODES = {
 var handlers = {};
 
 function bind() {
-  $(document).on('keydown', handler);
+  _dom2.default.on(document, 'keydown', handler);
 }
 
 function handler(e) {
@@ -2049,9 +1888,7 @@ function handler(e) {
       var preventBubbling = handler();
 
       if (preventBubbling === undefined || preventBubbling === true) {
-        if (!e.isDefaultPrevented()) {
-          e.preventDefault();
-        }
+        e.preventDefault();
       }
     });
   }
@@ -2074,13 +1911,61 @@ exports.default = {
 module.exports = exports['default'];
 
 /***/ }),
-/* 6 */
+/* 7 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _utils = __webpack_require__(0);
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var Style = function () {
+  function Style(wrapper) {
+    _classCallCheck(this, Style);
+
+    var styleEl = document.createElement('style');
+
+    document.head.appendChild(styleEl);
+    this.styleSheet = styleEl.sheet;
+  }
+
+  _createClass(Style, [{
+    key: 'setStyle',
+    value: function setStyle(rule, styleMap) {
+      var styles = Object.keys(styleMap).map(function (prop) {
+        if (!prop.includes('-')) {
+          prop = (0, _utils.camelCaseToDash)(prop);
+        }
+        return prop + ':' + styleMap[prop] + ';';
+      }).join('');
+      var ruleString = rule + ' { ' + styles + ' }';
+
+      this.styleSheet.insertRule(ruleString, this.styleSheet.cssRules.length);
+    }
+  }]);
+
+  return Style;
+}();
+
+exports.default = Style;
+module.exports = exports['default'];
+
+/***/ }),
+/* 8 */
 /***/ (function(module, exports, __webpack_require__) {
 
 // style-loader: Adds some css to the DOM by adding a <style> tag
 
 // load the styles
-var content = __webpack_require__(7);
+var content = __webpack_require__(9);
 if(typeof content === 'string') content = [[module.i, content, '']];
 // Prepare cssTransformation
 var transform;
@@ -2088,7 +1973,7 @@ var transform;
 var options = {}
 options.transform = transform
 // add the styles to the DOM
-var update = __webpack_require__(9)(content, options);
+var update = __webpack_require__(11)(content, options);
 if(content.locals) module.exports = content.locals;
 // Hot Module Replacement
 if(false) {
@@ -2105,21 +1990,21 @@ if(false) {
 }
 
 /***/ }),
-/* 7 */
+/* 9 */
 /***/ (function(module, exports, __webpack_require__) {
 
-exports = module.exports = __webpack_require__(8)(undefined);
+exports = module.exports = __webpack_require__(10)(undefined);
 // imports
 
 
 // module
-exports.push([module.i, "/* variables */\n:root {\n  --border-color: #d1d8dd;\n  --primary-color: #5292f7;\n  --light-bg: #f5f7fa; }\n\n/* resets */\n*, *::after, *::before {\n  box-sizing: border-box; }\n\nbutton, input {\n  overflow: visible;\n  font-family: inherit;\n  font-size: inherit;\n  line-height: inherit;\n  margin: 0; }\n\n/* styling */\n.data-table * {\n  outline: none; }\n\n.data-table {\n  width: 100%;\n  position: relative;\n  overflow: auto; }\n  .data-table table {\n    border-collapse: collapse; }\n  .data-table table td {\n    padding: 0;\n    border: 1px solid var(--border-color); }\n  .data-table thead td {\n    border-bottom-width: 2px; }\n\n.body-scrollable {\n  max-height: 500px;\n  overflow: auto;\n  border-bottom: 1px solid var(--border-color); }\n\n.data-table-header {\n  position: absolute;\n  top: 0;\n  left: 0;\n  background-color: white;\n  font-weight: bold;\n  cursor: col-resize; }\n  .data-table-header .content span {\n    cursor: pointer; }\n  .data-table-header .sort-indicator {\n    position: absolute;\n    right: 8px;\n    top: 9px; }\n\n.data-table-col {\n  position: relative; }\n  .data-table-col .content {\n    padding: 8px;\n    border: 2px solid transparent; }\n    .data-table-col .content.ellipsis {\n      text-overflow: ellipsis;\n      white-space: nowrap;\n      overflow: hidden; }\n  .data-table-col .edit-cell {\n    display: none;\n    padding: 8px;\n    background: #fff;\n    z-index: 1;\n    height: 100%; }\n    .data-table-col .edit-cell input {\n      outline: none;\n      width: 100%;\n      border: none;\n      height: 1em; }\n  .data-table-col.selected .content {\n    border: 2px solid var(--primary-color); }\n  .data-table-col.editing .content {\n    display: none; }\n  .data-table-col.editing .edit-cell {\n    border: 2px solid var(--primary-color);\n    display: block; }\n  .data-table-col.highlight {\n    background-color: var(--light-bg); }\n\n.data-table-row.row-highlight {\n  background-color: var(--light-bg); }\n\n.noselect {\n  -webkit-touch-callout: none;\n  -webkit-user-select: none;\n  -khtml-user-select: none;\n  -moz-user-select: none;\n  -ms-user-select: none;\n  user-select: none; }\n", ""]);
+exports.push([module.i, "/* variables */\n:root {\n  --border-color: #d1d8dd;\n  --primary-color: #5292f7;\n  --light-bg: #f5f7fa; }\n\n/* resets */\n*, *::after, *::before {\n  box-sizing: border-box; }\n\nbutton, input {\n  overflow: visible;\n  font-family: inherit;\n  font-size: inherit;\n  line-height: inherit;\n  margin: 0; }\n\n/* styling */\n.data-table * {\n  outline: none; }\n\n.data-table {\n  width: 100%;\n  position: relative;\n  overflow: auto; }\n  .data-table table {\n    border-collapse: collapse; }\n  .data-table table td {\n    padding: 0;\n    border: 1px solid var(--border-color); }\n  .data-table thead td {\n    border-bottom-width: 2px; }\n\n.body-scrollable {\n  max-height: 500px;\n  overflow: auto;\n  border-bottom: 1px solid var(--border-color); }\n  .body-scrollable.row-highlight-all .data-table-row {\n    background-color: var(--light-bg); }\n\n.data-table-header {\n  position: absolute;\n  top: 0;\n  left: 0;\n  background-color: white;\n  font-weight: bold;\n  cursor: col-resize; }\n  .data-table-header .content span {\n    cursor: pointer; }\n  .data-table-header .sort-indicator {\n    position: absolute;\n    right: 8px;\n    top: 9px; }\n\n.data-table-col {\n  position: relative; }\n  .data-table-col .content {\n    padding: 8px;\n    border: 2px solid transparent; }\n    .data-table-col .content.ellipsis {\n      text-overflow: ellipsis;\n      white-space: nowrap;\n      overflow: hidden; }\n  .data-table-col .edit-cell {\n    display: none;\n    padding: 8px;\n    background: #fff;\n    z-index: 1;\n    height: 100%; }\n    .data-table-col .edit-cell input {\n      outline: none;\n      width: 100%;\n      border: none;\n      height: 1em; }\n  .data-table-col.selected .content {\n    border: 2px solid var(--primary-color); }\n  .data-table-col.editing .content {\n    display: none; }\n  .data-table-col.editing .edit-cell {\n    border: 2px solid var(--primary-color);\n    display: block; }\n  .data-table-col.highlight {\n    background-color: var(--light-bg); }\n\n.data-table-row.row-highlight {\n  background-color: var(--light-bg); }\n\n.noselect {\n  -webkit-touch-callout: none;\n  -webkit-user-select: none;\n  -khtml-user-select: none;\n  -moz-user-select: none;\n  -ms-user-select: none;\n  user-select: none; }\n", ""]);
 
 // exports
 
 
 /***/ }),
-/* 8 */
+/* 10 */
 /***/ (function(module, exports) {
 
 /*
@@ -2201,7 +2086,7 @@ function toComment(sourceMap) {
 
 
 /***/ }),
-/* 9 */
+/* 11 */
 /***/ (function(module, exports, __webpack_require__) {
 
 /*
@@ -2247,7 +2132,7 @@ var singleton = null;
 var	singletonCounter = 0;
 var	stylesInsertedAtTop = [];
 
-var	fixUrls = __webpack_require__(10);
+var	fixUrls = __webpack_require__(12);
 
 module.exports = function(list, options) {
 	if (typeof DEBUG !== "undefined" && DEBUG) {
@@ -2560,7 +2445,7 @@ function updateLink (link, options, obj) {
 
 
 /***/ }),
-/* 10 */
+/* 12 */
 /***/ (function(module, exports) {
 
 
@@ -2655,11 +2540,536 @@ module.exports = function (css) {
 
 
 /***/ }),
-/* 11 */
+/* 13 */
 /***/ (function(module, exports) {
 
 module.exports = {"name":"frappe-datatable","version":"0.0.1","description":"A modern datatable library for the web","main":"lib/frappe-datatable.js","scripts":{"build":"webpack --env build","dev":"webpack --progress --colors --watch --env dev","test":"mocha --compilers js:babel-core/register --colors ./test/*.spec.js","test:watch":"mocha --compilers js:babel-core/register --colors -w ./test/*.spec.js"},"devDependencies":{"babel-cli":"6.24.1","babel-core":"6.24.1","babel-eslint":"7.2.3","babel-loader":"7.0.0","babel-plugin-add-module-exports":"0.2.1","babel-preset-es2015":"6.24.1","chai":"3.5.0","css-loader":"^0.28.7","eslint":"3.19.0","eslint-loader":"1.7.1","mocha":"3.3.0","node-sass":"^4.5.3","sass-loader":"^6.0.6","style-loader":"^0.18.2","webpack":"^3.1.0","yargs":"7.1.0"},"repository":{"type":"git","url":"https://github.com/frappe/datatable.git"},"keywords":["webpack","es6","starter","library","universal","umd","commonjs"],"author":"Faris Ansari","license":"MIT","bugs":{"url":"https://github.com/frappe/datatable/issues"},"homepage":"https://frappe.github.io/datatable","dependencies":{"bootstrap":"^4.0.0-beta","popper.js":"^1.12.5"}}
 
+/***/ }),
+/* 14 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _dom = __webpack_require__(1);
+
+var _dom2 = _interopRequireDefault(_dom);
+
+var _utils = __webpack_require__(0);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var ColumnManager = function () {
+  function ColumnManager(instance) {
+    _classCallCheck(this, ColumnManager);
+
+    this.instance = instance;
+    this.options = this.instance.options;
+    this.header = this.instance.header;
+    this.datamanager = this.instance.datamanager;
+    this.style = this.instance.style;
+    this.wrapper = this.instance.wrapper;
+    this.rowmanager = this.instance.rowmanager;
+
+    this.bindEvents();
+  }
+
+  _createClass(ColumnManager, [{
+    key: 'renderHeader',
+    value: function renderHeader() {
+      var columns = this.datamanager.getColumns();
+
+      this.header.innerHTML = (0, _utils.getHeaderHTML)(columns);
+    }
+  }, {
+    key: 'bindEvents',
+    value: function bindEvents() {
+      this.bindResizeColumn();
+      this.bindSortColumn();
+    }
+  }, {
+    key: 'bindResizeColumn',
+    value: function bindResizeColumn() {
+      var _this = this;
+
+      var isDragging = false;
+      var $currCell = void 0,
+          startWidth = void 0,
+          startX = void 0;
+
+      _dom2.default.on(this.header, 'mousedown', '.data-table-col', function (e, $cell) {
+        $currCell = $cell;
+
+        var _$$data = _dom2.default.data($currCell),
+            colIndex = _$$data.colIndex;
+
+        var col = _this.getColumn(colIndex);
+
+        if (col && col.resizable === false) {
+          return;
+        }
+
+        isDragging = true;
+        startWidth = _dom2.default.style((0, _dom2.default)('.content', $currCell), 'width');
+        startX = e.pageX;
+      });
+
+      _dom2.default.on(document.body, 'mouseup', function (e) {
+        if (!$currCell) return;
+        isDragging = false;
+
+        var _$$data2 = _dom2.default.data($currCell),
+            colIndex = _$$data2.colIndex;
+
+        var width = _dom2.default.style((0, _dom2.default)('.content', $currCell), 'width');
+
+        _this.setColumnWidth(colIndex, width);
+        _this.instance.setBodyWidth();
+        $currCell = null;
+      });
+
+      _dom2.default.on(document.body, 'mousemove', function (e) {
+        if (!isDragging) return;
+        var finalWidth = startWidth + (e.pageX - startX);
+
+        var _$$data3 = _dom2.default.data($currCell),
+            colIndex = _$$data3.colIndex;
+
+        if (_this.getColumnMinWidth(colIndex) > finalWidth) {
+          // don't resize past minWidth
+          return;
+        }
+
+        _this.setColumnHeaderWidth(colIndex, finalWidth);
+      });
+    }
+  }, {
+    key: 'bindSortColumn',
+    value: function bindSortColumn() {
+      var _this2 = this;
+
+      _dom2.default.on(this.header, 'click', '.data-table-col .content span', function (e, span) {
+        var $cell = span.closest('.data-table-col');
+
+        var _$$data4 = _dom2.default.data($cell),
+            colIndex = _$$data4.colIndex,
+            sortOrder = _$$data4.sortOrder;
+
+        sortOrder = (0, _utils.getDefault)(sortOrder, 'none');
+        var col = _this2.getColumn(colIndex);
+
+        if (col && col.sortable === false) {
+          return;
+        }
+
+        // reset sort indicator
+        (0, _dom2.default)('.sort-indicator', _this2.header).textContent = '';
+        _dom2.default.each('.data-table-col', _this2.header).map(function ($cell) {
+          _dom2.default.data($cell, {
+            sortOrder: 'none'
+          });
+        });
+
+        var nextSortOrder = void 0,
+            textContent = void 0;
+        if (sortOrder === 'none') {
+          nextSortOrder = 'asc';
+          textContent = '▲';
+        } else if (sortOrder === 'asc') {
+          nextSortOrder = 'desc';
+          textContent = '▼';
+        } else if (sortOrder === 'desc') {
+          nextSortOrder = 'none';
+          textContent = '';
+        }
+
+        _dom2.default.data($cell, {
+          sortOrder: nextSortOrder
+        });
+        (0, _dom2.default)('.sort-indicator', $cell).textContent = textContent;
+
+        if (_this2.events && _this2.events.onSort) {
+          _this2.events.onSort(colIndex, nextSortOrder);
+        } else {
+          _this2.sortRows(colIndex, nextSortOrder);
+          _this2.rowmanager.refreshRows();
+        }
+      });
+    }
+  }, {
+    key: 'setDimensions',
+    value: function setDimensions() {
+      this.setHeaderStyle();
+      this.setupMinWidth();
+      this.setNaturalColumnWidth();
+      this.distributeRemainingWidth();
+      this.setColumnAlignments();
+    }
+  }, {
+    key: 'setHeaderStyle',
+    value: function setHeaderStyle() {
+      if (!this.options.takeAvailableSpace) {
+        // setting width as 0 will ensure that the
+        // header doesn't take the available space
+        _dom2.default.style(this.header, {
+          width: 0
+        });
+      }
+
+      _dom2.default.style(this.header, {
+        margin: 0
+      });
+    }
+  }, {
+    key: 'setupMinWidth',
+    value: function setupMinWidth() {
+      var _this3 = this;
+
+      // cache minWidth for each column
+      this.minWidthMap = (0, _utils.getDefault)(this.minWidthMap, []);
+
+      _dom2.default.each('.data-table-col', this.header).map(function (col) {
+        var width = _dom2.default.style((0, _dom2.default)('.content', col), 'width');
+
+        var _$$data5 = _dom2.default.data(col),
+            colIndex = _$$data5.colIndex;
+
+        if (!_this3.minWidthMap[colIndex]) {
+          // only set this once
+          _this3.minWidthMap[colIndex] = width;
+        }
+      });
+    }
+  }, {
+    key: 'setNaturalColumnWidth',
+    value: function setNaturalColumnWidth() {
+      var _this4 = this;
+
+      // set initial width as naturally calculated by table's first row
+      _dom2.default.each('.data-table-row[data-row-index="0"] .data-table-col', this.bodyScrollable).map(function ($cell) {
+
+        var width = _dom2.default.style((0, _dom2.default)('.content', $cell), 'width');
+        var height = _dom2.default.style((0, _dom2.default)('.content', $cell), 'height');
+
+        var _$$data6 = _dom2.default.data($cell),
+            colIndex = _$$data6.colIndex;
+
+        var minWidth = _this4.getColumnMinWidth(colIndex);
+
+        if (width < minWidth) {
+          width = minWidth;
+        }
+        _this4.setColumnWidth(colIndex, width);
+        _this4.setDefaultCellHeight(height);
+      });
+    }
+  }, {
+    key: 'distributeRemainingWidth',
+    value: function distributeRemainingWidth() {
+      var _this5 = this;
+
+      if (!this.options.takeAvailableSpace) return;
+
+      var wrapperWidth = _dom2.default.style(this.instance.datatableWrapper, 'width');
+      var headerWidth = _dom2.default.style(this.header, 'width');
+
+      if (headerWidth >= wrapperWidth) {
+        // don't resize, horizontal scroll takes place
+        return;
+      }
+
+      var deltaWidth = (wrapperWidth - headerWidth) / this.datamanager.getColumnCount(true);
+
+      this.datamanager.getColumns(true).map(function (col) {
+        var width = _dom2.default.style(_this5.getColumnHeaderElement(col.colIndex), 'width');
+        var finalWidth = Math.min(width + deltaWidth) - 2;
+
+        _this5.setColumnHeaderWidth(col.colIndex, finalWidth);
+        _this5.setColumnWidth(col.colIndex, finalWidth);
+      });
+      this.instance.setBodyWidth();
+    }
+  }, {
+    key: 'setDefaultCellHeight',
+    value: function setDefaultCellHeight(height) {
+      this.style.setStyle('.data-table-col .content', {
+        height: height + 'px'
+      });
+    }
+  }, {
+    key: 'setColumnAlignments',
+    value: function setColumnAlignments() {
+      var _this6 = this;
+
+      // align columns
+      this.getColumns().map(function (column) {
+        if (column.align && ['left', 'center', 'right'].includes(column.align)) {
+          _this6.style.setStyle('.data-table [data-col-index="' + column.colIndex + '"]', {
+            'text-align': column.align
+          });
+        }
+      });
+    }
+  }, {
+    key: 'sortRows',
+    value: function sortRows(colIndex, sortOrder) {
+      this.datamanager.sortRows(colIndex, sortOrder);
+    }
+  }, {
+    key: 'getColumn',
+    value: function getColumn(colIndex) {
+      return this.datamanager.getColumn(colIndex);
+    }
+  }, {
+    key: 'getColumns',
+    value: function getColumns() {
+      return this.datamanager.getColumns();
+    }
+  }, {
+    key: 'setColumnWidth',
+    value: function setColumnWidth(colIndex, width) {
+      var selector = '[data-col-index="' + colIndex + '"] .content, [data-col-index="' + colIndex + '"] .edit-cell';
+
+      this.style.setStyle(selector, {
+        width: width + 'px'
+      });
+    }
+  }, {
+    key: 'setColumnHeaderWidth',
+    value: function setColumnHeaderWidth(colIndex, width) {
+      this.style.setStyle('[data-col-index="' + colIndex + '"][data-is-header] .content', {
+        width: width + 'px'
+      });
+    }
+  }, {
+    key: 'getColumnMinWidth',
+    value: function getColumnMinWidth(colIndex) {
+      colIndex = +colIndex;
+      return this.minWidthMap && this.minWidthMap[colIndex];
+    }
+  }, {
+    key: 'getFirstColumnIndex',
+    value: function getFirstColumnIndex() {
+      if (this.options.addCheckboxColumn && this.options.addSerialNoColumn) {
+        return 2;
+      }
+
+      if (this.options.addCheckboxColumn || this.options.addSerialNoColumn) {
+        return 1;
+      }
+
+      return 0;
+    }
+  }, {
+    key: 'getLastColumnIndex',
+    value: function getLastColumnIndex() {
+      return this.datamanager.getColumnCount() - 1;
+    }
+  }, {
+    key: 'getColumnHeaderElement',
+    value: function getColumnHeaderElement(colIndex) {
+      colIndex = +colIndex;
+      if (colIndex < 0) return null;
+      return (0, _dom2.default)('.data-table-col[data-is-header][data-col-index="' + colIndex + '"]', this.wrapper);
+    }
+  }, {
+    key: 'getSerialColumnIndex',
+    value: function getSerialColumnIndex() {
+      var columns = this.datamanager.getColumns();
+
+      return columns.findIndex(function (column) {
+        return column.content.includes('Sr. No');
+      });
+    }
+  }]);
+
+  return ColumnManager;
+}();
+
+exports.default = ColumnManager;
+module.exports = exports['default'];
+
+/***/ }),
+/* 15 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _dom = __webpack_require__(1);
+
+var _dom2 = _interopRequireDefault(_dom);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var RowManager = function () {
+  function RowManager(instance) {
+    _classCallCheck(this, RowManager);
+
+    this.instance = instance;
+    this.options = this.instance.options;
+    this.wrapper = this.instance.wrapper;
+    this.datamanager = this.instance.datamanager;
+
+    this.bindEvents();
+  }
+
+  _createClass(RowManager, [{
+    key: 'bindEvents',
+    value: function bindEvents() {
+      this.bindCheckbox();
+    }
+  }, {
+    key: 'bindCheckbox',
+    value: function bindCheckbox() {
+      var _this = this;
+
+      if (!this.options.addCheckboxColumn) return;
+
+      // map of checked rows
+      this.checkMap = [];
+
+      _dom2.default.on(this.wrapper, 'click', '.data-table-col[data-col-index="0"] [type="checkbox"]', function (e, $checkbox) {
+        var $cell = $checkbox.closest('.data-table-col');
+
+        var _$$data = _dom2.default.data($cell),
+            rowIndex = _$$data.rowIndex,
+            isHeader = _$$data.isHeader;
+
+        var checked = $checkbox.checked;
+
+        if (isHeader) {
+          _this.checkAll(checked);
+        } else {
+          _this.checkRow(rowIndex, checked);
+        }
+      });
+    }
+  }, {
+    key: 'refreshRows',
+    value: function refreshRows() {
+      this.instance.renderBody();
+      this.instance.setDimensions();
+    }
+  }, {
+    key: 'getCheckedRows',
+    value: function getCheckedRows() {
+      return this.checkMap.map(function (c, rowIndex) {
+        if (c) {
+          return rowIndex;
+        }
+        return null;
+      }).filter(function (c) {
+        return c !== null || c !== undefined;
+      });
+    }
+  }, {
+    key: 'highlightCheckedRows',
+    value: function highlightCheckedRows() {
+      var _this2 = this;
+
+      this.getCheckedRows().map(function (rowIndex) {
+        return _this2.checkRow(rowIndex, true);
+      });
+    }
+  }, {
+    key: 'checkRow',
+    value: function checkRow(rowIndex, toggle) {
+      var value = toggle ? 1 : 0;
+
+      // update internal map
+      this.checkMap[rowIndex] = value;
+      // set checkbox value explicitly
+      _dom2.default.each('.data-table-col[data-row-index="' + rowIndex + '"][data-col-index="0"] [type="checkbox"]', this.bodyScrollable).map(function (input) {
+        input.checked = toggle;
+      });
+      // highlight row
+      this.highlightRow(rowIndex, toggle);
+    }
+  }, {
+    key: 'checkAll',
+    value: function checkAll(toggle) {
+      var value = toggle ? 1 : 0;
+
+      // update internal map
+      if (toggle) {
+        this.checkMap = Array.from(Array(this.getTotalRows())).map(function (c) {
+          return value;
+        });
+      } else {
+        this.checkMap = [];
+      }
+      // set checkbox value
+      _dom2.default.each('.data-table-col[data-col-index="0"] [type="checkbox"]', this.bodyScrollable).map(function (input) {
+        input.checked = toggle;
+      });
+      // highlight all
+      this.highlightAll(toggle);
+    }
+  }, {
+    key: 'highlightRow',
+    value: function highlightRow(rowIndex) {
+      var toggle = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
+
+      var $row = (0, _dom2.default)('.data-table-row[data-row-index="' + rowIndex + '"]', this.bodyScrollable);
+
+      if (toggle) {
+        $row.classList.add('row-highlight');
+      } else {
+        $row.classList.remove('row-highlight');
+      }
+    }
+  }, {
+    key: 'highlightAll',
+    value: function highlightAll() {
+      var toggle = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
+
+      if (toggle) {
+        this.bodyScrollable.classList.add('row-highlight-all');
+      } else {
+        this.bodyScrollable.classList.remove('row-highlight-all');
+      }
+    }
+  }, {
+    key: 'getTotalRows',
+    value: function getTotalRows() {
+      return this.datamanager.getRowCount();
+    }
+  }, {
+    key: 'getFirstRowIndex',
+    value: function getFirstRowIndex() {
+      return 0;
+    }
+  }, {
+    key: 'getLastRowIndex',
+    value: function getLastRowIndex() {
+      return this.datamanager.getRowCount() - 1;
+    }
+  }]);
+
+  return RowManager;
+}();
+
+exports.default = RowManager;
+module.exports = exports['default'];
+
 /***/ })
 /******/ ]);
 });
diff --git a/lib/frappe-datatable.js.map b/lib/frappe-datatable.js.map
index b61d27d..45b6bb5 100644
--- a/lib/frappe-datatable.js.map
+++ b/lib/frappe-datatable.js.map
@@ -1 +1 @@
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makeDataAttributeString,\n  getDefault,\n  escapeRegExp,\n  getCellContent,\n  copyTextToClipboard\n};\n\n\n\n// WEBPACK FOOTER //\n// ./src/utils.js","import DataTable from './datatable.js';\nimport packageJson from '../package.json';\nDataTable.__version__ = packageJson.version;\n\nexport default DataTable;\n\n\n\n// WEBPACK FOOTER //\n// ./src/index.js","/* globals $, Clusterize */\nimport {\n  getHeaderHTML,\n  getBodyHTML,\n  getRowHTML,\n  buildCSSRule,\n  removeCSSRule,\n  getDefault\n} from './utils';\n\nimport DataManager from './datamanager';\nimport CellManager from './cellmanager';\n\nimport './style.scss';\n\nconst DEFAULT_OPTIONS = {\n  events: null,\n  data: {\n    columns: [],\n    rows: []\n  },\n  editing: null,\n  addSerialNoColumn: true,\n  addCheckboxColumn: true,\n  enableClusterize: true,\n  enableLogs: false,\n  takeAvailableSpace: false\n};\n\nexport default class DataTable {\n  constructor(wrapper, options) {\n\n    this.wrapper = $(wrapper);\n    if (this.wrapper.length === 0) {\n      throw new Error('Invalid argument given for `wrapper`');\n    }\n\n    this.options = Object.assign({}, DEFAULT_OPTIONS, options);\n    // custom user events\n    this.events = this.options.events;\n    // map of checked rows\n    this.checkMap = [];\n\n    // make dom, make style, bind events\n    this.make();\n\n    this.datamanager = new DataManager(this.options);\n    this.cellmanager = new CellManager(this);\n\n    if (this.options.data) {\n      this.refresh(this.options.data);\n    }\n  }\n\n  make() {\n    if (this.wrapper.find('.data-table').length === 0) {\n      this.makeDom();\n      this.makeStyle();\n      this.bindEvents();\n    }\n  }\n\n  makeDom() {\n    this.wrapper.html(`\n      <div class=\"data-table\">\n        <table class=\"data-table-header\">\n        </table>\n        <div class=\"body-scrollable\">\n        </div>\n        <div class=\"data-table-footer\">\n        </div>\n        <div class=\"data-table-borders\">\n          <div class=\"border-outline\"></div>\n          <div class=\"border-background\"></div>\n        </div>\n      </div>\n    `);\n\n    this.header = this.wrapper.find('.data-table-header');\n    this.bodyScrollable = this.wrapper.find('.body-scrollable');\n    // this.body = this.wrapper.find('.data-table-body');\n    this.footer = this.wrapper.find('.data-table-footer');\n    this.$borders = this.wrapper.find('.data-table-borders');\n  }\n\n  refresh(data) {\n    this.datamanager.init(data);\n    this.render();\n  }\n\n  appendRows(rows) {\n    this.datamanager.appendRows(rows);\n    this.render();\n  }\n\n  render() {\n    this.renderHeader();\n    this.renderBody();\n    this.setDimensions();\n  }\n\n  renderHeader() {\n    const columns = this.datamanager.getColumns();\n\n    this.header.html(getHeaderHTML(columns));\n  }\n\n  renderBody() {\n    if (this.options.enableClusterize) {\n      this.renderBodyWithClusterize();\n    } else {\n      this.renderBodyHTML();\n    }\n  }\n\n  renderBodyHTML() {\n    const rows = this.datamanager.getRows();\n\n    this.bodyScrollable.html(`\n      <table class=\"data-table-body table table-bordered\">\n        ${getBodyHTML(rows)}\n      </table>\n    `);\n  }\n\n  renderBodyWithClusterize() {\n    const self = this;\n\n    // empty body\n    this.bodyScrollable.html(`\n      <table class=\"data-table-body table table-bordered\">\n        ${getBodyHTML([])}\n      </table>\n    `);\n\n    this.start = 0;\n    this.pageLength = 1000;\n    this.end = this.start + this.pageLength;\n\n    // only append ${this.pageLength} rows in the beginning,\n    // defer remaining\n    const rows = this.datamanager.getRows(this.start, this.end);\n    const initialData = this.getDataForClusterize(rows);\n\n    this.clusterize = new Clusterize({\n      rows: initialData,\n      scrollElem: this.bodyScrollable.get(0),\n      contentElem: this.bodyScrollable.find('tbody').get(0),\n      callbacks: {\n        clusterChanged() {\n          self.highlightCheckedRows();\n        }\n      }\n    });\n    this.log('dataAppended', this.pageLength);\n    this.appendRemainingData();\n  }\n\n  appendRemainingData() {\n    let dataAppended = this.pageLength;\n    const promises = [];\n    const rowCount = this.datamanager.getRowCount();\n\n    while (dataAppended + this.pageLength < rowCount) {\n      this.start = this.end;\n      this.end = this.start + this.pageLength;\n      promises.push(this.appendNextPagePromise(this.start, this.end));\n      dataAppended += this.pageLength;\n    }\n\n    if (rowCount % this.pageLength > 0) {\n      // last page\n      this.start = this.end;\n      this.end = this.start + this.pageLength;\n      promises.push(this.appendNextPagePromise(this.start, this.end));\n    }\n\n    return promises.reduce(\n      (prev, cur) => prev.then(cur), Promise.resolve()\n    );\n  }\n\n  appendNextPagePromise(start, end) {\n    return new Promise(resolve => {\n      setTimeout(() => {\n        const rows = this.datamanager.getRows(start, end);\n        const data = this.getDataForClusterize(rows);\n\n        this.clusterize.append(data);\n        this.log('dataAppended', rows.length);\n        resolve();\n      }, 0);\n    });\n  }\n\n  getDataForClusterize(rows) {\n    return rows.map((row) => getRowHTML(row, { rowIndex: row[0].rowIndex }));\n  }\n\n  refreshRows() {\n    this.renderBody();\n    this.setDimensions();\n  }\n\n  bindEvents() {\n    this.bindResizeColumn();\n    this.bindSortColumn();\n    this.bindCheckbox();\n  }\n\n  setDimensions() {\n    const self = this;\n\n    if (!this.options.takeAvailableSpace) {\n      // setting width as 0 will ensure that the\n      // header doesn't take the available space\n      this.header.css({\n        width: 0\n      });\n    }\n\n    this.header.css({\n      margin: 0\n    });\n\n    // cache minWidth for each column\n    this.minWidthMap = getDefault(this.minWidthMap, []);\n    this.header.find('.data-table-col').each(function () {\n      const col = $(this);\n      const width = parseInt(col.find('.content').css('width'), 10);\n      const colIndex = col.attr('data-col-index');\n\n      if (!self.minWidthMap[colIndex]) {\n        // only set this once\n        self.minWidthMap[colIndex] = width;\n      }\n    });\n\n    // set initial width as naturally calculated by table's first row\n    this.bodyScrollable.find('.data-table-row[data-row-index=\"0\"] .data-table-col').each(function () {\n      const $cell = $(this);\n      let width = parseInt($cell.find('.content').css('width'), 10);\n      const height = parseInt($cell.find('.content').css('height'), 10);\n      const { colIndex } = self.getCellAttr($cell);\n      const minWidth = self.getColumnMinWidth(colIndex);\n\n      if (width < minWidth) {\n        width = minWidth;\n      }\n      self.setColumnWidth(colIndex, width);\n      self.setDefaultCellHeight(height);\n    });\n\n    this.setBodyWidth();\n\n    this.setStyle('.data-table .body-scrollable', {\n      'margin-top': this.header.height() + 'px'\n    });\n\n    // center align Sr. No column\n    if (this.options.addSerialNoColumn) {\n      const index = this.getSerialColumnIndex();\n\n      this.setStyle(`.data-table [data-col-index=\"${index}\"]`, {\n        'text-align': 'center'\n      });\n    }\n\n    this.bodyScrollable.find('.table').css('margin', 0);\n  }\n\n  bindResizeColumn() {\n    const self = this;\n    let isDragging = false;\n    let $currCell, startWidth, startX;\n\n    this.header.on('mousedown', '.data-table-col', function (e) {\n      $currCell = $(this);\n      const colIndex = $currCell.attr('data-col-index');\n      const col = self.getColumn(colIndex);\n\n      if (col && col.resizable === false) {\n        return;\n      }\n\n      isDragging = true;\n      startWidth = $currCell.find('.content').width();\n      startX = e.pageX;\n    });\n\n    $('body').on('mouseup', function (e) {\n      if (!$currCell) return;\n      isDragging = false;\n      const colIndex = $currCell.attr('data-col-index');\n\n      if ($currCell) {\n        const width = parseInt($currCell.find('.content').css('width'), 10);\n\n        self.setColumnWidth(colIndex, width);\n        self.setBodyWidth();\n        $currCell = null;\n      }\n    });\n\n    $('body').on('mousemove', function (e) {\n      if (!isDragging) return;\n      const finalWidth = startWidth + (e.pageX - startX);\n      const colIndex = $currCell.attr('data-col-index');\n\n      if (self.getColumnMinWidth(colIndex) > finalWidth) {\n        // don't resize past minWidth\n        return;\n      }\n\n      self.setColumnHeaderWidth(colIndex, finalWidth);\n    });\n  }\n\n  bindSortColumn() {\n    const self = this;\n\n    this.header.on('click', '.data-table-col .content span', function () {\n      const $cell = $(this).closest('.data-table-col');\n      let sortOrder = getDefault($cell.attr('data-sort-order'), 'none');\n      const colIndex = $cell.attr('data-col-index');\n      const col = self.getColumn(colIndex);\n\n      if (col && col.sortable === false) {\n        return;\n      }\n\n      // reset sort indicator\n      self.header.find('.sort-indicator').text('');\n      self.header.find('.data-table-col').attr('data-sort-order', 'none');\n\n      if (sortOrder === 'none') {\n        $cell.attr('data-sort-order', 'asc');\n        $cell.find('.sort-indicator').text('▲');\n      } else if (sortOrder === 'asc') {\n        $cell.attr('data-sort-order', 'desc');\n        $cell.find('.sort-indicator').text('▼');\n      } else if (sortOrder === 'desc') {\n        $cell.attr('data-sort-order', 'none');\n        $cell.find('.sort-indicator').text('');\n      }\n\n      // sortWith this action\n      sortOrder = $cell.attr('data-sort-order');\n\n      if (self.events && self.events.onSort) {\n        self.events.onSort(colIndex, sortOrder);\n      } else {\n        self.sortRows(colIndex, sortOrder);\n        self.refreshRows();\n      }\n    });\n  }\n\n  sortRows(colIndex, sortOrder) {\n    this.datamanager.sortRows(colIndex, sortOrder);\n  }\n\n  bindCheckbox() {\n    if (!this.options.addCheckboxColumn) return;\n    const self = this;\n\n    this.wrapper.on('click', '.data-table-col[data-col-index=\"0\"] [type=\"checkbox\"]', function () {\n      const $checkbox = $(this);\n      const $cell = $checkbox.closest('.data-table-col');\n      const { rowIndex, isHeader } = self.getCellAttr($cell);\n      const checked = $checkbox.is(':checked');\n\n      if (isHeader) {\n        self.checkAll(checked);\n      } else {\n        self.checkRow(rowIndex, checked);\n      }\n    });\n  }\n\n  getCheckedRows() {\n\n    return this.checkMap\n      .map((c, rowIndex) => {\n        if (c) {\n          return rowIndex;\n        }\n        return null;\n      })\n      .filter(c => {\n        return c !== null || c !== undefined;\n      });\n  }\n\n  highlightCheckedRows() {\n    this.getCheckedRows()\n      .map(rowIndex => this.checkRow(rowIndex, true));\n  }\n\n  checkRow(rowIndex, toggle) {\n    const value = toggle ? 1 : 0;\n\n    // update internal map\n    this.checkMap[rowIndex] = value;\n    // set checkbox value explicitly\n    this.bodyScrollable\n      .find(`.data-table-col[data-row-index=\"${rowIndex}\"][data-col-index=\"0\"] [type=\"checkbox\"]`)\n      .prop('checked', toggle);\n    // highlight row\n    this.highlightRow(rowIndex, toggle);\n  }\n\n  checkAll(toggle) {\n    const value = toggle ? 1 : 0;\n\n    // update internal map\n    if (toggle) {\n      this.checkMap = Array.from(Array(this.getTotalRows())).map(c => value);\n    } else {\n      this.checkMap = [];\n    }\n    // set checkbox value\n    this.bodyScrollable\n      .find('.data-table-col[data-col-index=\"0\"] [type=\"checkbox\"]')\n      .prop('checked', toggle);\n    // highlight all\n    this.highlightAll(toggle);\n  }\n\n  highlightRow(rowIndex, toggle = true) {\n    const $row = this.bodyScrollable\n      .find(`.data-table-row[data-row-index=\"${rowIndex}\"]`);\n\n    if (toggle) {\n      $row.addClass('row-highlight');\n    } else {\n      $row.removeClass('row-highlight');\n    }\n  }\n\n  highlightAll(toggle = true) {\n    this.bodyScrollable\n      .find('.data-table-row')\n      .toggleClass('row-highlight', toggle);\n  }\n\n  setColumnWidth(colIndex, width) {\n    // set width for content\n    this.setStyle(`[data-col-index=\"${colIndex}\"] .content`, {\n      width: width + 'px'\n    });\n    // set width for edit cell\n    this.setStyle(`[data-col-index=\"${colIndex}\"] .edit-cell`, {\n      width: width + 'px'\n    });\n  }\n\n  setColumnHeaderWidth(colIndex, width) {\n    this.setStyle(`[data-col-index=\"${colIndex}\"][data-is-header] .content`, {\n      width: width + 'px'\n    });\n  }\n\n  setDefaultCellHeight(height) {\n    this.setStyle('.data-table-col .content', {\n      height: height + 'px'\n    });\n  }\n\n  setRowHeight(rowIndex, height) {\n    this.setStyle(`[data-row-index=\"${rowIndex}\"] .content`, {\n      height: height + 'px'\n    });\n  }\n\n  setColumnWidths() {\n    const availableWidth = this.wrapper.width();\n    const headerWidth = this.header.width();\n\n    if (headerWidth > availableWidth) {\n      // don't resize, horizontal scroll takes place\n      return;\n    }\n\n    const columns = this.datamanager.getColumns();\n    const deltaWidth = (availableWidth - headerWidth) / this.datamanager.getColumnCount();\n\n    columns.map(col => {\n      const width = this.getColumnHeaderElement(col.colIndex).width();\n      let finalWidth = width + deltaWidth - 16;\n\n      if (this.options.addSerialNoColumn && col.colIndex === 0) {\n        return;\n      }\n\n      this.setColumnHeaderWidth(col.colIndex, finalWidth);\n      this.setColumnWidth(col.colIndex, finalWidth);\n    });\n    this.setBodyWidth();\n  }\n\n  setBodyWidth() {\n    this.bodyScrollable.css(\n      'width',\n      parseInt(this.header.css('width'), 10)\n    );\n  }\n\n  setStyle(rule, styleMap) {\n    let styles = this.$style.text();\n\n    styles = buildCSSRule(rule, styleMap, styles);\n    this.$style.html(styles);\n  }\n\n  removeStyle(rule) {\n    let styles = this.$style.text();\n\n    styles = removeCSSRule(rule, styles);\n    this.$style.html(styles);\n  }\n\n  makeStyle() {\n    this.$style = $('<style data-id=\"datatable\"></style>')\n      .prependTo(this.wrapper);\n  }\n\n  getColumn(colIndex) {\n    return this.datamanager.getColumn(colIndex);\n  }\n\n  getRow(rowIndex) {\n    return this.datamanager.getRow(rowIndex);\n  }\n\n  getCell(colIndex, rowIndex) {\n    return this.datamanager.getCell(colIndex, rowIndex);\n  }\n\n  getColumnHeaderElement(colIndex) {\n    colIndex = +colIndex;\n    if (colIndex < 0) return null;\n    return this.wrapper.find(\n      `.data-table-col[data-is-header][data-col-index=\"${colIndex}\"]`\n    );\n  }\n\n  getColumnMinWidth(colIndex) {\n    colIndex = +colIndex;\n    return this.minWidthMap && this.minWidthMap[colIndex];\n  }\n\n  getCellAttr($cell) {\n    return $cell.data();\n  }\n\n  getTotalRows() {\n    return this.datamanager.getRowCount();\n  }\n\n  getFirstColumnIndex() {\n    if (this.options.addCheckboxColumn && this.options.addSerialNoColumn) {\n      return 2;\n    }\n\n    if (this.options.addCheckboxColumn || this.options.addSerialNoColumn) {\n      return 1;\n    }\n\n    return 0;\n  }\n\n  getLastColumnIndex() {\n    return this.datamanager.getColumnCount() - 1;\n  }\n\n  getLastRowIndex() {\n    return this.datamanager.getRowCount() - 1;\n  }\n\n  getSerialColumnIndex() {\n    const columns = this.datamanager.getColumns();\n\n    return columns.findIndex(column => column.content.includes('Sr. No'));\n  }\n\n  getViewportHeight() {\n    if (!this.viewportHeight) {\n      this.viewportHeight = this.bodyScrollable.height();\n    }\n\n    return this.viewportHeight;\n  }\n\n  log() {\n    if (this.options.enableLogs) {\n      console.log.apply(console, arguments);\n    }\n  }\n}\n\n\n\n\n// WEBPACK FOOTER //\n// ./src/datatable.js","\nexport default class DataManager {\n  constructor(options) {\n    this.options = options;\n    this.rowCount = 0;\n    this.currentSort = {\n      sortBy: -1, // colIndex\n      sortOrder: 'none' // asc, desc, none\n    };\n  }\n\n  init(data) {\n    let { columns, rows } = data;\n\n    this.columns = this.prepareColumns(columns);\n    this.rows = this.prepareRows(rows);\n  }\n\n  prepareColumns(columns) {\n    if (!Array.isArray(columns)) {\n      throw new TypeError('`columns` must be an array');\n    }\n\n    if (this.options.addSerialNoColumn && !this._serialNoColumnAdded) {\n      const val = {\n        content: 'Sr. No',\n        editable: false,\n        resizable: false\n      };\n\n      columns = [val].concat(columns);\n      this._serialNoColumnAdded = true;\n    }\n\n    if (this.options.addCheckboxColumn && !this._checkboxColumnAdded) {\n      const val = {\n        content: '<input type=\"checkbox\" />',\n        editable: false,\n        resizable: false\n      };\n\n      columns = [val].concat(columns);\n      this._checkboxColumnAdded = true;\n    }\n\n    // wrap the title in span\n    columns = columns.map(column => {\n      if (typeof column === 'string') {\n        column = `<span>${column}</span>`;\n      } else if (typeof column === 'object') {\n        column.content = `<span>${column.content}</span>`;\n      }\n\n      return column;\n    });\n\n    return prepareColumns(columns, {\n      isHeader: 1\n    });\n  }\n\n  prepareRows(rows) {\n    if (!Array.isArray(rows) || !Array.isArray(rows[0])) {\n      throw new TypeError('`rows` must be an array of arrays');\n    }\n\n    rows = rows.map((row, i) => {\n      const index = this._getNextRowCount();\n\n      if (row.length < this.columns.length) {\n        if (this._serialNoColumnAdded) {\n          const val = (index + 1) + '';\n\n          row = [val].concat(row);\n        }\n\n        if (this._checkboxColumnAdded) {\n          const val = '<input type=\"checkbox\" />';\n\n          row = [val].concat(row);\n        }\n      }\n\n      return prepareRow(row, index);\n    });\n\n    return rows;\n  }\n\n  appendRows(rows) {\n    if (Array.isArray(rows) && !Array.isArray(rows[0])) {\n      rows = [rows];\n    }\n    const _rows = this.prepareRows(rows);\n\n    this.rows = this.rows.concat(_rows);\n  }\n\n  sortRows(colIndex, sortOrder = 'none') {\n    colIndex = +colIndex;\n\n    if (this.currentSort.colIndex === colIndex) {\n      // reverse the array if only sortOrder changed\n      if (\n        (this.currentSort.sortOrder === 'asc' && sortOrder === 'desc') ||\n        (this.currentSort.sortOrder === 'desc' && sortOrder === 'asc')\n      ) {\n        this.reverseArray(this.rows);\n        this.currentSort.sortOrder = sortOrder;\n        return;\n      }\n    }\n\n    this.rows.sort((a, b) => {\n      const _aIndex = a[0].rowIndex;\n      const _bIndex = b[0].rowIndex;\n      const _a = a[colIndex].content;\n      const _b = b[colIndex].content;\n\n      if (sortOrder === 'none') {\n        return _aIndex - _bIndex;\n      } else if (sortOrder === 'asc') {\n        if (_a < _b) return -1;\n        if (_a > _b) return 1;\n        if (_a === _b) return 0;\n      } else if (sortOrder === 'desc') {\n        if (_a < _b) return 1;\n        if (_a > _b) return -1;\n        if (_a === _b) return 0;\n      }\n      return 0;\n    });\n\n    this.currentSort.colIndex = colIndex;\n    this.currentSort.sortOrder = sortOrder;\n  }\n\n  reverseArray(array) {\n    let left = null;\n    let right = null;\n    let length = array.length;\n\n    for (left = 0, right = length - 1; left < right; left += 1, right -= 1) {\n      const temporary = array[left];\n\n      array[left] = array[right];\n      array[right] = temporary;\n    }\n  }\n\n  getRowCount() {\n    return this.rowCount;\n  }\n\n  _getNextRowCount() {\n    const val = this.rowCount;\n\n    this.rowCount++;\n    return val;\n  }\n\n  getRows(start, end) {\n    return this.rows.slice(start, end);\n  }\n\n  getColumns() {\n    return this.columns;\n  }\n\n  getColumnCount() {\n    return this.columns.length;\n  }\n\n  getColumn(colIndex) {\n    colIndex = +colIndex;\n    return this.columns.find(col => col.colIndex === colIndex);\n  }\n\n  getRow(rowIndex) {\n    rowIndex = +rowIndex;\n    return this.rows.find(row => row[0].rowIndex === rowIndex);\n  }\n\n  getCell(colIndex, rowIndex) {\n    rowIndex = +rowIndex;\n    colIndex = +colIndex;\n    return this.rows.find(row => row[0].rowIndex === rowIndex)[colIndex];\n  }\n\n  get() {\n    return {\n      columns: this.columns,\n      rows: this.rows\n    };\n  }\n}\n\nfunction prepareColumns(columns, props = {}) {\n  const _columns = columns.map(prepareCell);\n\n  return _columns.map(col => Object.assign({}, col, props));\n}\n\nfunction prepareRow(row, i) {\n  return prepareColumns(row, {\n    rowIndex: i\n  });\n}\n\nfunction prepareCell(col, i) {\n  if (typeof col === 'string') {\n    col = {\n      content: col\n    };\n  }\n  return Object.assign(col, {\n    colIndex: i\n  });\n}\n\n\n\n// WEBPACK FOOTER //\n// ./src/datamanager.js","import { getCellContent, copyTextToClipboard } from './utils';\nimport keyboard from 'keyboard';\n\nexport default class CellManager {\n  constructor(instance) {\n    this.instance = instance;\n    this.options = this.instance.options;\n    this.bodyScrollable = this.instance.bodyScrollable;\n\n    this.prepare();\n    this.bindEvents();\n  }\n\n  prepare() {\n    this.$borderOutline = this.instance.$borders.find('.border-outline');\n    this.$borderBg = this.instance.$borders.find('.border-background');\n  }\n\n  bindEvents() {\n    this.bindFocusCell();\n    this.bindEditCell();\n    this.bindKeyboardNav();\n    this.bindKeyboardSelection();\n    this.bindCopyCellContents();\n    this.bindMouseEvents();\n  }\n\n  bindFocusCell() {\n    const bodyScrollable = this.instance.bodyScrollable;\n\n    this.$focusedCell = null;\n    bodyScrollable.on('click', '.data-table-col', (e) => {\n      this.focusCell($(e.currentTarget));\n    });\n  }\n\n  bindEditCell() {\n    const self = this;\n\n    this.$editingCell = null;\n    this.bodyScrollable.on('dblclick', '.data-table-col', function () {\n      self.activateEditing($(this));\n    });\n\n    keyboard.on('enter', (e) => {\n      if (this.$focusedCell && !this.$editingCell) {\n        // enter keypress on focused cell\n        this.activateEditing(this.$focusedCell);\n      } else if (this.$editingCell) {\n        // enter keypress on editing cell\n        this.submitEditing(this.$editingCell);\n        this.deactivateEditing();\n      }\n    });\n\n    $(document.body).on('click', e => {\n      if ($(e.target).is('.edit-cell, .edit-cell *')) return;\n      this.deactivateEditing();\n    });\n  }\n\n  bindKeyboardNav() {\n    const focusCell = (direction) => {\n      if (!this.$focusedCell || this.$editingCell) {\n        return false;\n      }\n\n      let $cell = this.$focusedCell;\n\n      if (direction === 'left') {\n        $cell = this.getLeftCell$($cell);\n      } else if (direction === 'right') {\n        $cell = this.getRightCell$($cell);\n      } else if (direction === 'up') {\n        $cell = this.getAboveCell$($cell);\n      } else if (direction === 'down') {\n        $cell = this.getBelowCell$($cell);\n      }\n\n      this.focusCell($cell);\n      return true;\n    };\n\n    const focusLastCell = (direction) => {\n      if (!this.$focusedCell || this.$editingCell) {\n        return false;\n      }\n\n      let $cell = this.$focusedCell;\n      const { rowIndex, colIndex } = this.getCellAttr($cell);\n\n      if (direction === 'left') {\n        $cell = this.getLeftMostCell$(rowIndex);\n      } else if (direction === 'right') {\n        $cell = this.getRightMostCell$(rowIndex);\n      } else if (direction === 'up') {\n        $cell = this.getTopMostCell$(colIndex);\n      } else if (direction === 'down') {\n        $cell = this.getBottomMostCell$(colIndex);\n      }\n\n      this.focusCell($cell);\n      return true;\n    };\n\n    const scrollToCell = (direction) => {\n      if (!this.$focusedCell) return false;\n\n      if (!this.inViewport(this.$focusedCell)) {\n        const { rowIndex } = this.getCellAttr(this.$focusedCell);\n\n        this.scrollToRow(rowIndex - this.getRowCountPerPage() + 2);\n        return true;\n      }\n\n      return false;\n    };\n\n    ['left', 'right', 'up', 'down'].map(\n      direction => keyboard.on(direction, () => focusCell(direction))\n    );\n\n    ['left', 'right', 'up', 'down'].map(\n      direction => keyboard.on('ctrl+' + direction, () => focusLastCell(direction))\n    );\n\n    ['left', 'right', 'up', 'down'].map(\n      direction => keyboard.on(direction, () => scrollToCell(direction))\n    );\n\n    keyboard.on('esc', () => {\n      this.deactivateEditing();\n    });\n  }\n\n  bindKeyboardSelection() {\n    const getNextSelectionCursor = (direction) => {\n      let $selectionCursor = this.getSelectionCursor();\n\n      if (direction === 'left') {\n        $selectionCursor = this.getLeftCell$($selectionCursor);\n      } else if (direction === 'right') {\n        $selectionCursor = this.getRightCell$($selectionCursor);\n      } else if (direction === 'up') {\n        $selectionCursor = this.getAboveCell$($selectionCursor);\n      } else if (direction === 'down') {\n        $selectionCursor = this.getBelowCell$($selectionCursor);\n      }\n\n      return $selectionCursor;\n    };\n\n    ['left', 'right', 'up', 'down'].map(\n      direction => keyboard.on('shift+' + direction,\n        () => this.selectArea(getNextSelectionCursor(direction)))\n    );\n  }\n\n  bindCopyCellContents() {\n    keyboard.on('ctrl+c', () => {\n      this.copyCellContents(this.$focusedCell, this.$selectionCursor);\n    });\n  }\n\n  bindMouseEvents() {\n    let mouseDown = null;\n\n    this.bodyScrollable.on('mousedown', '.data-table-col', (e) => {\n      mouseDown = true;\n      this.focusCell($(e.currentTarget));\n    });\n\n    this.bodyScrollable.on('mouseup', () => {\n      mouseDown = false;\n    });\n\n    this.bodyScrollable.on('mousemove', '.data-table-col', (e) => {\n      if (!mouseDown) return;\n      this.selectArea($(e.currentTarget));\n    });\n  }\n\n  focusCell($cell) {\n    if (!$cell.length) return;\n\n    const { colIndex } = this.getCellAttr($cell);\n\n    if (this.isStandardCell(colIndex)) {\n      return;\n    }\n\n    this.deactivateEditing();\n    this.clearSelection();\n\n    if (this.options.addCheckboxColumn && colIndex === 0) {\n      return;\n    }\n\n    if (this.$focusedCell) {\n      this.$focusedCell.removeClass('selected');\n    }\n\n    this.$focusedCell = $cell;\n    $cell.addClass('selected');\n\n    this.highlightRowColumnHeader($cell);\n  }\n\n  highlightRowColumnHeader($cell) {\n    const { colIndex, rowIndex } = this.getCellAttr($cell);\n    const _colIndex = this.instance.getSerialColumnIndex();\n    const colHeaderSelector = `.data-table-header .data-table-col[data-col-index=\"${colIndex}\"]`;\n    const rowHeaderSelector = `.data-table-col[data-row-index=\"${rowIndex}\"][data-col-index=\"${_colIndex}\"]`;\n\n    if (this.lastSelectors) {\n      this.instance.removeStyle(this.lastSelectors.colHeaderSelector);\n      this.instance.removeStyle(this.lastSelectors.rowHeaderSelector);\n    }\n\n    this.instance.setStyle(colHeaderSelector, {\n      'background-color': 'var(--light-bg)'\n    });\n\n    this.instance.setStyle(rowHeaderSelector, {\n      'background-color': 'var(--light-bg)'\n    });\n\n    this.lastSelectors = {\n      colHeaderSelector,\n      rowHeaderSelector\n    };\n  }\n\n  selectArea($selectionCursor) {\n    if (!this.$focusedCell) return;\n\n    if (this._selectArea(this.$focusedCell, $selectionCursor)) {\n      // valid selection\n      this.$selectionCursor = $selectionCursor;\n    }\n  };\n\n  _selectArea($cell1, $cell2) {\n    const cells = this.getCellsInRange(...arguments);\n\n    if (!cells) return false;\n    this.clearSelection();\n    const $cells = cells.map(([c, r]) => this.getCell$(r, c)[0]);\n\n    $($cells).addClass('highlight');\n    return true;\n  }\n\n  getCellsInRange($cell1, $cell2) {\n    let colIndex1, rowIndex1, colIndex2, rowIndex2;\n\n    if (typeof $cell1 === 'number') {\n      [colIndex1, rowIndex1, colIndex2, rowIndex2] = arguments;\n    } else\n    if (typeof $cell1 === 'object') {\n\n      if (!($cell1.length && $cell2.length)) {\n        return false;\n      }\n\n      const cell1 = this.getCellAttr($cell1);\n      const cell2 = this.getCellAttr($cell2);\n\n      colIndex1 = cell1.colIndex;\n      rowIndex1 = cell1.rowIndex;\n      colIndex2 = cell2.colIndex;\n      rowIndex2 = cell2.rowIndex;\n    }\n\n    if (rowIndex1 > rowIndex2) {\n      [rowIndex1, rowIndex2] = [rowIndex2, rowIndex1];\n    }\n\n    if (colIndex1 > colIndex2) {\n      [colIndex1, colIndex2] = [colIndex2, colIndex1];\n    }\n\n    if (this.isStandardCell(colIndex1) || this.isStandardCell(colIndex2)) {\n      return false;\n    }\n\n    let cells = [];\n    let colIndex = colIndex1;\n    let rowIndex = rowIndex1;\n    let rowIndices = [];\n\n    while (rowIndex <= rowIndex2) {\n      rowIndices.push(rowIndex);\n      rowIndex++;\n    }\n\n    rowIndices.map(rowIndex => {\n      while (colIndex <= colIndex2) {\n        cells.push([colIndex, rowIndex]);\n        colIndex++;\n      }\n      colIndex = colIndex1;\n    });\n\n    return cells;\n  }\n\n  clearSelection() {\n    this.bodyScrollable.find('.data-table-col.highlight').removeClass('highlight');\n    this.$selectionCursor = null;\n  }\n\n  getSelectionCursor() {\n    return this.$selectionCursor || this.$focusedCell;\n  }\n\n  activateEditing($cell) {\n    const { rowIndex, colIndex } = this.getCellAttr($cell);\n    const col = this.instance.getColumn(colIndex);\n\n    if (col && col.editable === false) {\n      return;\n    }\n\n    if (this.$editingCell) {\n      const { _rowIndex, _colIndex } = this.getCellAttr(this.$editingCell);\n\n      if (rowIndex === _rowIndex && colIndex === _colIndex) {\n        // editing the same cell\n        return;\n      }\n    }\n\n    this.$editingCell = $cell;\n    $cell.addClass('editing');\n\n    const $editCell = $cell.find('.edit-cell').empty();\n    const cell = this.getCell(colIndex, rowIndex);\n    const editing = this.getEditingObject(colIndex, rowIndex, cell.content, $editCell);\n\n    if (editing) {\n      this.currentCellEditing = editing;\n      // initialize editing input with cell value\n      editing.initValue(cell.content);\n    }\n  }\n\n  deactivateEditing() {\n    if (!this.$editingCell) return;\n    this.$editingCell.removeClass('editing');\n    this.$editingCell = null;\n  }\n\n  getEditingObject(colIndex, rowIndex, value, parent) {\n    if (this.options.editing) {\n      return this.options.editing(colIndex, rowIndex, value, parent);\n    }\n\n    // editing fallback\n    const $input = $('<input type=\"text\" />');\n\n    parent.append($input);\n\n    return {\n      initValue(value) {\n        $input.focus();\n        return $input.val(value);\n      },\n      getValue() {\n        return $input.val();\n      },\n      setValue(value) {\n        return $input.val(value);\n      }\n    };\n  }\n\n  submitEditing($cell) {\n    const { rowIndex, colIndex } = this.getCellAttr($cell);\n\n    if ($cell) {\n      const editing = this.currentCellEditing;\n\n      if (editing) {\n        const value = editing.getValue();\n        const done = editing.setValue(value);\n\n        if (done && done.then) {\n          // wait for promise then update internal state\n          done.then(\n            () => this.updateCell(rowIndex, colIndex, value)\n          );\n        } else {\n          this.updateCell(rowIndex, colIndex, value);\n        }\n      }\n    }\n\n    this.currentCellEditing = null;\n  }\n\n  copyCellContents($cell1, $cell2) {\n    const cells = this.getCellsInRange(...arguments);\n\n    if (!cells) return;\n\n    const values = cells\n      // get cell objects\n      .map(index => this.getCell(...index))\n      // convert to array of rows\n      .reduce((acc, curr) => {\n        const rowIndex = curr.rowIndex;\n\n        acc[rowIndex] = acc[rowIndex] || [];\n        acc[rowIndex].push(curr.content);\n\n        return acc;\n      }, [])\n      // join values by tab\n      .map(row => row.join('\\t'))\n      // join rows by newline\n      .join('\\n');\n\n    copyTextToClipboard(values);\n  }\n\n  updateCell(rowIndex, colIndex, value) {\n    const cell = this.getCell(colIndex, rowIndex);\n\n    cell.content = value;\n    this.refreshCell(cell);\n  }\n\n  refreshCell(cell) {\n    const selector = `.data-table-col[data-row-index=\"${cell.rowIndex}\"][data-col-index=\"${cell.colIndex}\"]`;\n    const $cell = this.bodyScrollable.find(selector);\n\n    $cell.html(getCellContent(cell));\n  }\n\n  isStandardCell(colIndex) {\n    // Standard cells are in Sr. No and Checkbox column\n    return colIndex < this.instance.getFirstColumnIndex();\n  }\n\n  getCell$(rowIndex, colIndex) {\n    return this.bodyScrollable.find(`.data-table-col[data-row-index=\"${rowIndex}\"][data-col-index=\"${colIndex}\"]`);\n  }\n\n  getAboveCell$($cell) {\n    const { colIndex } = this.getCellAttr($cell);\n    const $aboveRow = $cell.parent().prev();\n\n    return $aboveRow.find(`[data-col-index=\"${colIndex}\"]`);\n  }\n\n  getBelowCell$($cell) {\n    const { colIndex } = this.getCellAttr($cell);\n    const $belowRow = $cell.parent().next();\n\n    return $belowRow.find(`[data-col-index=\"${colIndex}\"]`);\n  }\n\n  getLeftCell$($cell) {\n    return $cell.prev();\n  }\n\n  getRightCell$($cell) {\n    return $cell.next();\n  }\n\n  getLeftMostCell$(rowIndex) {\n    return this.getCell$(rowIndex, this.instance.getFirstColumnIndex());\n  }\n\n  getRightMostCell$(rowIndex) {\n    return this.getCell$(rowIndex, this.instance.getLastColumnIndex());\n  }\n\n  getTopMostCell$(colIndex) {\n    return this.getCell$(0, colIndex);\n  }\n\n  getBottomMostCell$(colIndex) {\n    return this.getCell$(this.instance.getLastRowIndex(), colIndex);\n  }\n\n  getCell(colIndex, rowIndex) {\n    return this.instance.datamanager.getCell(colIndex, rowIndex);\n  }\n\n  getCellAttr($cell) {\n    return $cell.data();\n  }\n\n  getRowHeight() {\n    return this.bodyScrollable.find('.data-table-row:first').height();\n  }\n\n  inViewport($cell) {\n    let colIndex, rowIndex;\n\n    if (typeof $cell === 'number') {\n      [colIndex, rowIndex] = arguments;\n    } else {\n      let cell = this.getCellAttr($cell);\n\n      colIndex = cell.colIndex;\n      rowIndex = cell.rowIndex;\n    }\n\n    const viewportHeight = this.instance.getViewportHeight();\n    const rowHeight = this.getRowHeight();\n    const rowOffset = rowIndex * rowHeight;\n\n    const scrollTopOffset = this.bodyScrollable[0].scrollTop;\n\n    if (rowOffset - scrollTopOffset + rowHeight < viewportHeight) {\n      return true;\n    }\n\n    return false;\n  }\n\n  scrollToCell($cell) {\n    const { rowIndex } = this.getCellAttr($cell);\n\n    this.scrollToRow(rowIndex);\n  }\n\n  getRowCountPerPage() {\n    return Math.ceil(this.instance.getViewportHeight() / this.getRowHeight());\n  }\n\n  scrollToRow(rowIndex) {\n    const offset = rowIndex * this.getRowHeight();\n\n    this.bodyScrollable[0].scrollTop = offset;\n  }\n}\n\n\n\n\n// WEBPACK FOOTER //\n// ./src/cellmanager.js","const KEYCODES = {\n  13: 'enter',\n  91: 'meta',\n  16: 'shift',\n  17: 'ctrl',\n  18: 'alt',\n  37: 'left',\n  38: 'up',\n  39: 'right',\n  40: 'down',\n  9: 'tab',\n  27: 'esc',\n  67: 'c'\n};\n\nconst handlers = {};\n\nfunction bind() {\n  $(document).on('keydown', handler);\n}\n\nfunction handler(e) {\n  let key = KEYCODES[e.keyCode];\n\n  if (e.shiftKey && key !== 'shift') {\n    key = 'shift+' + key;\n  }\n\n  if ((e.ctrlKey && key !== 'ctrl') || (e.metaKey && key !== 'meta')) {\n    key = 'ctrl+' + key;\n  }\n\n  const _handlers = handlers[key];\n\n  if (_handlers && _handlers.length > 0) {\n    _handlers.map(handler => {\n      const preventBubbling = handler();\n\n      if (preventBubbling === undefined || preventBubbling === true) {\n        if (!e.isDefaultPrevented()) {\n          e.preventDefault();\n        }\n      }\n    });\n\n  }\n}\n\nbind();\n\nexport default {\n  on(key, handler) {\n    const keys = key.split(',').map(k => k.trim());\n\n    keys.map(key => {\n      handlers[key] = handlers[key] || [];\n      handlers[key].push(handler);\n    });\n  }\n};\n\n\n\n// WEBPACK FOOTER //\n// ./src/keyboard.js","// style-loader: Adds some css to the DOM by adding a <style> tag\n\n// load the styles\nvar content = require(\"!!../node_modules/css-loader/index.js!../node_modules/sass-loader/lib/loader.js!./style.scss\");\nif(typeof content === 'string') content = [[module.id, content, '']];\n// Prepare cssTransformation\nvar transform;\n\nvar options = {}\noptions.transform = transform\n// add the styles to the DOM\nvar update = require(\"!../node_modules/style-loader/lib/addStyles.js\")(content, options);\nif(content.locals) module.exports = content.locals;\n// Hot Module Replacement\nif(module.hot) {\n\t// When the styles change, update the <style> tags\n\tif(!content.locals) {\n\t\tmodule.hot.accept(\"!!../node_modules/css-loader/index.js!../node_modules/sass-loader/lib/loader.js!./style.scss\", function() {\n\t\t\tvar newContent = require(\"!!../node_modules/css-loader/index.js!../node_modules/sass-loader/lib/loader.js!./style.scss\");\n\t\t\tif(typeof newContent === 'string') newContent = [[module.id, newContent, '']];\n\t\t\tupdate(newContent);\n\t\t});\n\t}\n\t// When the module is disposed, remove the <style> tags\n\tmodule.hot.dispose(function() { update(); });\n}\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./src/style.scss\n// module id = 6\n// module chunks = 0","exports = module.exports = require(\"../node_modules/css-loader/lib/css-base.js\")(undefined);\n// imports\n\n\n// module\nexports.push([module.id, \"/* variables */\\n:root {\\n  --border-color: #d1d8dd;\\n  --primary-color: #5292f7;\\n  --light-bg: #f5f7fa; }\\n\\n/* resets */\\n*, *::after, *::before {\\n  box-sizing: border-box; }\\n\\nbutton, input {\\n  overflow: visible;\\n  font-family: inherit;\\n  font-size: inherit;\\n  line-height: inherit;\\n  margin: 0; }\\n\\n/* styling */\\n.data-table * {\\n  outline: none; }\\n\\n.data-table {\\n  width: 100%;\\n  position: relative;\\n  overflow: auto; }\\n  .data-table table {\\n    border-collapse: collapse; }\\n  .data-table table td {\\n    padding: 0;\\n    border: 1px solid var(--border-color); }\\n  .data-table thead td {\\n    border-bottom-width: 2px; }\\n\\n.body-scrollable {\\n  max-height: 500px;\\n  overflow: auto;\\n  border-bottom: 1px solid var(--border-color); }\\n\\n.data-table-header {\\n  position: absolute;\\n  top: 0;\\n  left: 0;\\n  background-color: white;\\n  font-weight: bold;\\n  cursor: col-resize; }\\n  .data-table-header .content span {\\n    cursor: pointer; }\\n  .data-table-header .sort-indicator {\\n    position: absolute;\\n    right: 8px;\\n    top: 9px; }\\n\\n.data-table-col {\\n  position: relative; }\\n  .data-table-col .content {\\n    padding: 8px;\\n    border: 2px solid transparent; }\\n    .data-table-col .content.ellipsis {\\n      text-overflow: ellipsis;\\n      white-space: nowrap;\\n      overflow: hidden; }\\n  .data-table-col .edit-cell {\\n    display: none;\\n    padding: 8px;\\n    background: #fff;\\n    z-index: 1;\\n    height: 100%; }\\n    .data-table-col .edit-cell input {\\n      outline: none;\\n      width: 100%;\\n      border: none;\\n      height: 1em; }\\n  .data-table-col.selected .content {\\n    border: 2px solid var(--primary-color); }\\n  .data-table-col.editing .content {\\n    display: none; }\\n  .data-table-col.editing .edit-cell {\\n    border: 2px solid var(--primary-color);\\n    display: block; }\\n  .data-table-col.highlight {\\n    background-color: var(--light-bg); }\\n\\n.data-table-row.row-highlight {\\n  background-color: var(--light-bg); }\\n\\n.noselect {\\n  -webkit-touch-callout: none;\\n  -webkit-user-select: none;\\n  -khtml-user-select: none;\\n  -moz-user-select: none;\\n  -ms-user-select: none;\\n  user-select: none; }\\n\", \"\"]);\n\n// exports\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/css-loader!./node_modules/sass-loader/lib/loader.js!./src/style.scss\n// module id = 7\n// module chunks = 0","/*\n\tMIT License http://www.opensource.org/licenses/mit-license.php\n\tAuthor Tobias Koppers @sokra\n*/\n// css base code, injected by the css-loader\nmodule.exports = function(useSourceMap) {\n\tvar list = [];\n\n\t// return the list of modules as css string\n\tlist.toString = function toString() {\n\t\treturn this.map(function (item) {\n\t\t\tvar content = cssWithMappingToString(item, useSourceMap);\n\t\t\tif(item[2]) {\n\t\t\t\treturn \"@media \" + item[2] + \"{\" + content + \"}\";\n\t\t\t} else {\n\t\t\t\treturn content;\n\t\t\t}\n\t\t}).join(\"\");\n\t};\n\n\t// import a list of modules into the list\n\tlist.i = function(modules, mediaQuery) {\n\t\tif(typeof modules === \"string\")\n\t\t\tmodules = [[null, modules, \"\"]];\n\t\tvar alreadyImportedModules = {};\n\t\tfor(var i = 0; i < this.length; i++) {\n\t\t\tvar id = this[i][0];\n\t\t\tif(typeof id === \"number\")\n\t\t\t\talreadyImportedModules[id] = true;\n\t\t}\n\t\tfor(i = 0; i < modules.length; i++) {\n\t\t\tvar item = modules[i];\n\t\t\t// skip already imported module\n\t\t\t// this implementation is not 100% perfect for weird media query combinations\n\t\t\t//  when a module is imported multiple times with different media queries.\n\t\t\t//  I hope this will never occur (Hey this way we have smaller bundles)\n\t\t\tif(typeof item[0] !== \"number\" || !alreadyImportedModules[item[0]]) {\n\t\t\t\tif(mediaQuery && !item[2]) {\n\t\t\t\t\titem[2] = mediaQuery;\n\t\t\t\t} else if(mediaQuery) {\n\t\t\t\t\titem[2] = \"(\" + item[2] + \") and (\" + mediaQuery + \")\";\n\t\t\t\t}\n\t\t\t\tlist.push(item);\n\t\t\t}\n\t\t}\n\t};\n\treturn list;\n};\n\nfunction cssWithMappingToString(item, useSourceMap) {\n\tvar content = item[1] || '';\n\tvar cssMapping = item[3];\n\tif (!cssMapping) {\n\t\treturn content;\n\t}\n\n\tif (useSourceMap && typeof btoa === 'function') {\n\t\tvar sourceMapping = toComment(cssMapping);\n\t\tvar sourceURLs = cssMapping.sources.map(function (source) {\n\t\t\treturn '/*# sourceURL=' + cssMapping.sourceRoot + source + ' */'\n\t\t});\n\n\t\treturn [content].concat(sourceURLs).concat([sourceMapping]).join('\\n');\n\t}\n\n\treturn [content].join('\\n');\n}\n\n// Adapted from convert-source-map (MIT)\nfunction toComment(sourceMap) {\n\t// eslint-disable-next-line no-undef\n\tvar base64 = btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap))));\n\tvar data = 'sourceMappingURL=data:application/json;charset=utf-8;base64,' + base64;\n\n\treturn '/*# ' + data + ' */';\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/css-loader/lib/css-base.js\n// module id = 8\n// module chunks = 0","/*\n\tMIT License http://www.opensource.org/licenses/mit-license.php\n\tAuthor Tobias Koppers @sokra\n*/\n\nvar stylesInDom = {};\n\nvar\tmemoize = function (fn) {\n\tvar memo;\n\n\treturn function () {\n\t\tif (typeof memo === \"undefined\") memo = fn.apply(this, arguments);\n\t\treturn memo;\n\t};\n};\n\nvar isOldIE = memoize(function () {\n\t// Test for IE <= 9 as proposed by Browserhacks\n\t// @see http://browserhacks.com/#hack-e71d8692f65334173fee715c222cb805\n\t// Tests for existence of standard globals is to allow style-loader\n\t// to operate correctly into non-standard environments\n\t// @see https://github.com/webpack-contrib/style-loader/issues/177\n\treturn window && document && document.all && !window.atob;\n});\n\nvar getElement = (function (fn) {\n\tvar memo = {};\n\n\treturn function(selector) {\n\t\tif (typeof memo[selector] === \"undefined\") {\n\t\t\tmemo[selector] = fn.call(this, selector);\n\t\t}\n\n\t\treturn memo[selector]\n\t};\n})(function (target) {\n\treturn document.querySelector(target)\n});\n\nvar singleton = null;\nvar\tsingletonCounter = 0;\nvar\tstylesInsertedAtTop = [];\n\nvar\tfixUrls = require(\"./urls\");\n\nmodule.exports = function(list, options) {\n\tif (typeof DEBUG !== \"undefined\" && DEBUG) {\n\t\tif (typeof document !== \"object\") throw new Error(\"The style-loader cannot be used in a non-browser environment\");\n\t}\n\n\toptions = options || {};\n\n\toptions.attrs = typeof options.attrs === \"object\" ? options.attrs : {};\n\n\t// Force single-tag solution on IE6-9, which has a hard limit on the # of <style>\n\t// tags it will allow on a page\n\tif (!options.singleton) options.singleton = isOldIE();\n\n\t// By default, add <style> tags to the <head> element\n\tif (!options.insertInto) options.insertInto = \"head\";\n\n\t// By default, add <style> tags to the bottom of the target\n\tif (!options.insertAt) options.insertAt = \"bottom\";\n\n\tvar styles = listToStyles(list, options);\n\n\taddStylesToDom(styles, options);\n\n\treturn function update (newList) {\n\t\tvar mayRemove = [];\n\n\t\tfor (var i = 0; i < styles.length; i++) {\n\t\t\tvar item = styles[i];\n\t\t\tvar domStyle = stylesInDom[item.id];\n\n\t\t\tdomStyle.refs--;\n\t\t\tmayRemove.push(domStyle);\n\t\t}\n\n\t\tif(newList) {\n\t\t\tvar newStyles = listToStyles(newList, options);\n\t\t\taddStylesToDom(newStyles, options);\n\t\t}\n\n\t\tfor (var i = 0; i < mayRemove.length; i++) {\n\t\t\tvar domStyle = mayRemove[i];\n\n\t\t\tif(domStyle.refs === 0) {\n\t\t\t\tfor (var j = 0; j < domStyle.parts.length; j++) domStyle.parts[j]();\n\n\t\t\t\tdelete stylesInDom[domStyle.id];\n\t\t\t}\n\t\t}\n\t};\n};\n\nfunction addStylesToDom (styles, options) {\n\tfor (var i = 0; i < styles.length; i++) {\n\t\tvar item = styles[i];\n\t\tvar domStyle = stylesInDom[item.id];\n\n\t\tif(domStyle) {\n\t\t\tdomStyle.refs++;\n\n\t\t\tfor(var j = 0; j < domStyle.parts.length; j++) {\n\t\t\t\tdomStyle.parts[j](item.parts[j]);\n\t\t\t}\n\n\t\t\tfor(; j < item.parts.length; j++) {\n\t\t\t\tdomStyle.parts.push(addStyle(item.parts[j], options));\n\t\t\t}\n\t\t} else {\n\t\t\tvar parts = [];\n\n\t\t\tfor(var j = 0; j < item.parts.length; j++) {\n\t\t\t\tparts.push(addStyle(item.parts[j], options));\n\t\t\t}\n\n\t\t\tstylesInDom[item.id] = {id: item.id, refs: 1, parts: parts};\n\t\t}\n\t}\n}\n\nfunction listToStyles (list, options) {\n\tvar styles = [];\n\tvar newStyles = {};\n\n\tfor (var i = 0; i < list.length; i++) {\n\t\tvar item = list[i];\n\t\tvar id = options.base ? item[0] + options.base : item[0];\n\t\tvar css = item[1];\n\t\tvar media = item[2];\n\t\tvar sourceMap = item[3];\n\t\tvar part = {css: css, media: media, sourceMap: sourceMap};\n\n\t\tif(!newStyles[id]) styles.push(newStyles[id] = {id: id, parts: [part]});\n\t\telse newStyles[id].parts.push(part);\n\t}\n\n\treturn styles;\n}\n\nfunction insertStyleElement (options, style) {\n\tvar target = getElement(options.insertInto)\n\n\tif (!target) {\n\t\tthrow new Error(\"Couldn't find a style target. This probably means that the value for the 'insertInto' parameter is invalid.\");\n\t}\n\n\tvar lastStyleElementInsertedAtTop = stylesInsertedAtTop[stylesInsertedAtTop.length - 1];\n\n\tif (options.insertAt === \"top\") {\n\t\tif (!lastStyleElementInsertedAtTop) {\n\t\t\ttarget.insertBefore(style, target.firstChild);\n\t\t} else if (lastStyleElementInsertedAtTop.nextSibling) {\n\t\t\ttarget.insertBefore(style, lastStyleElementInsertedAtTop.nextSibling);\n\t\t} else {\n\t\t\ttarget.appendChild(style);\n\t\t}\n\t\tstylesInsertedAtTop.push(style);\n\t} else if (options.insertAt === \"bottom\") {\n\t\ttarget.appendChild(style);\n\t} else {\n\t\tthrow new Error(\"Invalid value for parameter 'insertAt'. Must be 'top' or 'bottom'.\");\n\t}\n}\n\nfunction removeStyleElement (style) {\n\tif (style.parentNode === null) return false;\n\tstyle.parentNode.removeChild(style);\n\n\tvar idx = stylesInsertedAtTop.indexOf(style);\n\tif(idx >= 0) {\n\t\tstylesInsertedAtTop.splice(idx, 1);\n\t}\n}\n\nfunction createStyleElement (options) {\n\tvar style = document.createElement(\"style\");\n\n\toptions.attrs.type = \"text/css\";\n\n\taddAttrs(style, options.attrs);\n\tinsertStyleElement(options, style);\n\n\treturn style;\n}\n\nfunction createLinkElement (options) {\n\tvar link = document.createElement(\"link\");\n\n\toptions.attrs.type = \"text/css\";\n\toptions.attrs.rel = \"stylesheet\";\n\n\taddAttrs(link, options.attrs);\n\tinsertStyleElement(options, link);\n\n\treturn link;\n}\n\nfunction addAttrs (el, attrs) {\n\tObject.keys(attrs).forEach(function (key) {\n\t\tel.setAttribute(key, attrs[key]);\n\t});\n}\n\nfunction addStyle (obj, options) {\n\tvar style, update, remove, result;\n\n\t// If a transform function was defined, run it on the css\n\tif (options.transform && obj.css) {\n\t    result = options.transform(obj.css);\n\n\t    if (result) {\n\t    \t// If transform returns a value, use that instead of the original css.\n\t    \t// This allows running runtime transformations on the css.\n\t    \tobj.css = result;\n\t    } else {\n\t    \t// If the transform function returns a falsy value, don't add this css.\n\t    \t// This allows conditional loading of css\n\t    \treturn function() {\n\t    \t\t// noop\n\t    \t};\n\t    }\n\t}\n\n\tif (options.singleton) {\n\t\tvar styleIndex = singletonCounter++;\n\n\t\tstyle = singleton || (singleton = createStyleElement(options));\n\n\t\tupdate = applyToSingletonTag.bind(null, style, styleIndex, false);\n\t\tremove = applyToSingletonTag.bind(null, style, styleIndex, true);\n\n\t} else if (\n\t\tobj.sourceMap &&\n\t\ttypeof URL === \"function\" &&\n\t\ttypeof URL.createObjectURL === \"function\" &&\n\t\ttypeof URL.revokeObjectURL === \"function\" &&\n\t\ttypeof Blob === \"function\" &&\n\t\ttypeof btoa === \"function\"\n\t) {\n\t\tstyle = createLinkElement(options);\n\t\tupdate = updateLink.bind(null, style, options);\n\t\tremove = function () {\n\t\t\tremoveStyleElement(style);\n\n\t\t\tif(style.href) URL.revokeObjectURL(style.href);\n\t\t};\n\t} else {\n\t\tstyle = createStyleElement(options);\n\t\tupdate = applyToTag.bind(null, style);\n\t\tremove = function () {\n\t\t\tremoveStyleElement(style);\n\t\t};\n\t}\n\n\tupdate(obj);\n\n\treturn function updateStyle (newObj) {\n\t\tif (newObj) {\n\t\t\tif (\n\t\t\t\tnewObj.css === obj.css &&\n\t\t\t\tnewObj.media === obj.media &&\n\t\t\t\tnewObj.sourceMap === obj.sourceMap\n\t\t\t) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tupdate(obj = newObj);\n\t\t} else {\n\t\t\tremove();\n\t\t}\n\t};\n}\n\nvar replaceText = (function () {\n\tvar textStore = [];\n\n\treturn function (index, replacement) {\n\t\ttextStore[index] = replacement;\n\n\t\treturn textStore.filter(Boolean).join('\\n');\n\t};\n})();\n\nfunction applyToSingletonTag (style, index, remove, obj) {\n\tvar css = remove ? \"\" : obj.css;\n\n\tif (style.styleSheet) {\n\t\tstyle.styleSheet.cssText = replaceText(index, css);\n\t} else {\n\t\tvar cssNode = document.createTextNode(css);\n\t\tvar childNodes = style.childNodes;\n\n\t\tif (childNodes[index]) style.removeChild(childNodes[index]);\n\n\t\tif (childNodes.length) {\n\t\t\tstyle.insertBefore(cssNode, childNodes[index]);\n\t\t} else {\n\t\t\tstyle.appendChild(cssNode);\n\t\t}\n\t}\n}\n\nfunction applyToTag (style, obj) {\n\tvar css = obj.css;\n\tvar media = obj.media;\n\n\tif(media) {\n\t\tstyle.setAttribute(\"media\", media)\n\t}\n\n\tif(style.styleSheet) {\n\t\tstyle.styleSheet.cssText = css;\n\t} else {\n\t\twhile(style.firstChild) {\n\t\t\tstyle.removeChild(style.firstChild);\n\t\t}\n\n\t\tstyle.appendChild(document.createTextNode(css));\n\t}\n}\n\nfunction updateLink (link, options, obj) {\n\tvar css = obj.css;\n\tvar sourceMap = obj.sourceMap;\n\n\t/*\n\t\tIf convertToAbsoluteUrls isn't defined, but sourcemaps are enabled\n\t\tand there is no publicPath defined then lets turn convertToAbsoluteUrls\n\t\ton by default.  Otherwise default to the convertToAbsoluteUrls option\n\t\tdirectly\n\t*/\n\tvar autoFixUrls = options.convertToAbsoluteUrls === undefined && sourceMap;\n\n\tif (options.convertToAbsoluteUrls || autoFixUrls) {\n\t\tcss = fixUrls(css);\n\t}\n\n\tif (sourceMap) {\n\t\t// http://stackoverflow.com/a/26603875\n\t\tcss += \"\\n/*# sourceMappingURL=data:application/json;base64,\" + btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap)))) + \" */\";\n\t}\n\n\tvar blob = new Blob([css], { type: \"text/css\" });\n\n\tvar oldSrc = link.href;\n\n\tlink.href = URL.createObjectURL(blob);\n\n\tif(oldSrc) URL.revokeObjectURL(oldSrc);\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/style-loader/lib/addStyles.js\n// module id = 9\n// module chunks = 0","\n/**\n * When source maps are enabled, `style-loader` uses a link element with a data-uri to\n * embed the css on the page. This breaks all relative urls because now they are relative to a\n * bundle instead of the current page.\n *\n * One solution is to only use full urls, but that may be impossible.\n *\n * Instead, this function \"fixes\" the relative urls to be absolute according to the current page location.\n *\n * A rudimentary test suite is located at `test/fixUrls.js` and can be run via the `npm test` command.\n *\n */\n\nmodule.exports = function (css) {\n  // get current location\n  var location = typeof window !== \"undefined\" && window.location;\n\n  if (!location) {\n    throw new Error(\"fixUrls requires window.location\");\n  }\n\n\t// blank or null?\n\tif (!css || typeof css !== \"string\") {\n\t  return css;\n  }\n\n  var baseUrl = location.protocol + \"//\" + location.host;\n  var currentDir = baseUrl + location.pathname.replace(/\\/[^\\/]*$/, \"/\");\n\n\t// convert each url(...)\n\t/*\n\tThis regular expression is just a way to recursively match brackets within\n\ta string.\n\n\t /url\\s*\\(  = Match on the word \"url\" with any whitespace after it and then a parens\n\t   (  = Start a capturing group\n\t     (?:  = Start a non-capturing group\n\t         [^)(]  = Match anything that isn't a parentheses\n\t         |  = OR\n\t         \\(  = Match a start parentheses\n\t             (?:  = Start another non-capturing groups\n\t                 [^)(]+  = Match anything that isn't a parentheses\n\t                 |  = OR\n\t                 \\(  = Match a start parentheses\n\t                     [^)(]*  = Match anything that isn't a parentheses\n\t                 \\)  = Match a end parentheses\n\t             )  = End Group\n              *\\) = Match anything and then a close parens\n          )  = Close non-capturing group\n          *  = Match anything\n       )  = Close capturing group\n\t \\)  = Match a close parens\n\n\t /gi  = Get all matches, not the first.  Be case insensitive.\n\t */\n\tvar fixedCss = css.replace(/url\\s*\\(((?:[^)(]|\\((?:[^)(]+|\\([^)(]*\\))*\\))*)\\)/gi, function(fullMatch, origUrl) {\n\t\t// strip quotes (if they exist)\n\t\tvar unquotedOrigUrl = origUrl\n\t\t\t.trim()\n\t\t\t.replace(/^\"(.*)\"$/, function(o, $1){ return $1; })\n\t\t\t.replace(/^'(.*)'$/, function(o, $1){ return $1; });\n\n\t\t// already a full url? no change\n\t\tif (/^(#|data:|http:\\/\\/|https:\\/\\/|file:\\/\\/\\/)/i.test(unquotedOrigUrl)) {\n\t\t  return fullMatch;\n\t\t}\n\n\t\t// convert the url to a full url\n\t\tvar newUrl;\n\n\t\tif (unquotedOrigUrl.indexOf(\"//\") === 0) {\n\t\t  \t//TODO: should we add protocol?\n\t\t\tnewUrl = unquotedOrigUrl;\n\t\t} else if (unquotedOrigUrl.indexOf(\"/\") === 0) {\n\t\t\t// path should be relative to the base url\n\t\t\tnewUrl = baseUrl + unquotedOrigUrl; // already starts with '/'\n\t\t} else {\n\t\t\t// path should be relative to current directory\n\t\t\tnewUrl = currentDir + unquotedOrigUrl.replace(/^\\.\\//, \"\"); // Strip leading './'\n\t\t}\n\n\t\t// send back the fixed url(...)\n\t\treturn \"url(\" + JSON.stringify(newUrl) + \")\";\n\t});\n\n\t// send back the fixed css\n\treturn fixedCss;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/style-loader/lib/urls.js\n// module id = 10\n// module chunks = 0","module.exports = {\"name\":\"frappe-datatable\",\"version\":\"0.0.1\",\"description\":\"A modern datatable library for the web\",\"main\":\"lib/frappe-datatable.js\",\"scripts\":{\"build\":\"webpack --env build\",\"dev\":\"webpack --progress --colors --watch --env dev\",\"test\":\"mocha --compilers js:babel-core/register --colors ./test/*.spec.js\",\"test:watch\":\"mocha --compilers js:babel-core/register --colors -w ./test/*.spec.js\"},\"devDependencies\":{\"babel-cli\":\"6.24.1\",\"babel-core\":\"6.24.1\",\"babel-eslint\":\"7.2.3\",\"babel-loader\":\"7.0.0\",\"babel-plugin-add-module-exports\":\"0.2.1\",\"babel-preset-es2015\":\"6.24.1\",\"chai\":\"3.5.0\",\"css-loader\":\"^0.28.7\",\"eslint\":\"3.19.0\",\"eslint-loader\":\"1.7.1\",\"mocha\":\"3.3.0\",\"node-sass\":\"^4.5.3\",\"sass-loader\":\"^6.0.6\",\"style-loader\":\"^0.18.2\",\"webpack\":\"^3.1.0\",\"yargs\":\"7.1.0\"},\"repository\":{\"type\":\"git\",\"url\":\"https://github.com/frappe/datatable.git\"},\"keywords\":[\"webpack\",\"es6\",\"starter\",\"library\",\"universal\",\"umd\",\"commonjs\"],\"author\":\"Faris Ansari\",\"license\":\"MIT\",\"bugs\":{\"url\":\"https://github.com/frappe/datatable/issues\"},\"homepage\":\"https://frappe.github.io/datatable\",\"dependencies\":{\"bootstrap\":\"^4.0.0-beta\",\"popper.js\":\"^1.12.5\"}}\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./package.json\n// module id = 11\n// module chunks = 0"],"sourceRoot":""}
\ No newline at end of file
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`;\n}\n\nfunction getColumnHTML(column) {\n  const { rowIndex, colIndex, isHeader } = column;\n  const dataAttr = makeDataAttributeString({\n    rowIndex,\n    colIndex,\n    isHeader\n  });\n\n  return `\n    <td class=\"data-table-col noselect\" ${dataAttr}>\n      ${getCellContent(column)}\n    </td>\n  `;\n}\n\nfunction getCellContent(column) {\n  const { isHeader } = column;\n  const editCellHTML = isHeader ? '' : getEditCellHTML();\n  const sortIndicator = isHeader ? '<span class=\"sort-indicator\"></span>' : '';\n\n  return `\n    <div class=\"content ellipsis\">\n      ${column.format ? column.format(column.content) : column.content}\n      ${sortIndicator}\n    </div>\n    ${editCellHTML}\n  `;\n}\n\nfunction getRowHTML(columns, props) {\n  const dataAttr = makeDataAttributeString(props);\n\n  return `\n    <tr class=\"data-table-row\" ${dataAttr}>\n      ${columns.map(getColumnHTML).join('')}\n    </tr>\n  `;\n}\n\nfunction getHeaderHTML(columns) {\n  const $header = `\n    <thead>\n      ${getRowHTML(columns, { isHeader: 1, rowIndex: -1 })}\n    </thead>\n  `;\n\n  // columns.map(col => {\n  //   if (!col.width) return;\n  //   const $cellContent = $header.find(\n  //     `.data-table-col[data-col-index=\"${col.colIndex}\"] .content`\n  //   );\n\n  //   $cellContent.width(col.width);\n  // });\n\n  return $header;\n}\n\nfunction getBodyHTML(rows) {\n  return `\n    <tbody>\n      ${rows.map(row => getRowHTML(row, { rowIndex: row[0].rowIndex })).join('')}\n    </tbody>\n  `;\n}\n\nfunction prepareColumn(col, i) {\n  if (typeof col === 'string') {\n    col = {\n      content: col\n    };\n  }\n  return Object.assign(col, {\n    colIndex: i\n  });\n}\n\nfunction prepareColumns(columns, props = {}) {\n  const _columns = columns.map(prepareColumn);\n\n  return _columns.map(col => Object.assign({}, col, props));\n}\n\nfunction prepareRowHeader(columns) {\n  return prepareColumns(columns, {\n    rowIndex: -1,\n    isHeader: 1,\n    format: (content) => `<span>${content}</span>`\n  });\n}\n\nfunction prepareRow(row, i) {\n  return prepareColumns(row, {\n    rowIndex: i\n  });\n}\n\nfunction prepareRows(rows) {\n  return rows.map(prepareRow);\n}\n\nfunction getDefault(a, b) {\n  return a !== undefined ? a : b;\n}\n\nfunction escapeRegExp(str) {\n  // https://stackoverflow.com/a/6969486\n  return str.replace(/[\\-\\[\\]\\/\\{\\}\\(\\)\\*\\+\\?\\.\\\\\\^\\$\\|]/g, '\\\\$&');\n}\n\nfunction getCSSString(styleMap) {\n  let style = '';\n\n  for (const prop in styleMap) {\n    if (styleMap.hasOwnProperty(prop)) {\n      style += `${prop}: ${styleMap[prop]}; `;\n    }\n  }\n\n  return style.trim();\n}\n\nfunction getCSSRuleBlock(rule, styleMap) {\n  return `${rule} { ${getCSSString(styleMap)} }`;\n}\n\nfunction namespaceSelector(selector) {\n  return '.data-table ' + selector;\n}\n\nfunction buildCSSRule(rule, styleMap, cssRulesString = '') {\n  // build css rules efficiently,\n  // append new rule if doesnt exist,\n  // update existing ones\n\n  const rulePatternStr = `${escapeRegExp(rule)} {([^}]*)}`;\n  const rulePattern = new RegExp(rulePatternStr, 'g');\n\n  if (cssRulesString && cssRulesString.match(rulePattern)) {\n    for (const property in styleMap) {\n      const value = styleMap[property];\n      const propPattern = new RegExp(`${escapeRegExp(property)}:([^;]*);`);\n\n      cssRulesString = cssRulesString.replace(rulePattern, function (match, propertyStr) {\n        if (propertyStr.match(propPattern)) {\n          // property exists, replace value with new value\n          propertyStr = propertyStr.replace(propPattern, (match, valueStr) => {\n            return `${property}: ${value};`;\n          });\n        }\n        propertyStr = propertyStr.trim();\n\n        const replacer =\n          `${rule} { ${propertyStr} }`;\n\n        return replacer;\n      });\n    }\n\n    return cssRulesString;\n  }\n  // no match, append new rule block\n  return `${cssRulesString}${getCSSRuleBlock(rule, styleMap)}`;\n}\n\nfunction removeCSSRule(rule, cssRulesString = '') {\n  const rulePatternStr = `${escapeRegExp(rule)} {([^}]*)}`;\n  const rulePattern = new RegExp(rulePatternStr, 'g');\n  let output = cssRulesString;\n\n  if (cssRulesString && cssRulesString.match(rulePattern)) {\n    output = cssRulesString.replace(rulePattern, '');\n  }\n\n  return output.trim();\n}\n\nfunction copyTextToClipboard(text) {\n  // https://stackoverflow.com/a/30810322/5353542\n  var textArea = document.createElement('textarea');\n\n  //\n  // *** This styling is an extra step which is likely not required. ***\n  //\n  // Why is it here? To ensure:\n  // 1. the element is able to have focus and selection.\n  // 2. if element was to flash render it has minimal visual impact.\n  // 3. less flakyness with selection and copying which **might** occur if\n  //    the textarea element is not visible.\n  //\n  // The likelihood is the element won't even render, not even a flash,\n  // so some of these are just precautions. However in IE the element\n  // is visible whilst the popup box asking the user for permission for\n  // the web page to copy to the clipboard.\n  //\n\n  // Place in top-left corner of screen regardless of scroll position.\n  textArea.style.position = 'fixed';\n  textArea.style.top = 0;\n  textArea.style.left = 0;\n\n  // Ensure it has a small width and height. Setting to 1px / 1em\n  // doesn't work as this gives a negative w/h on some browsers.\n  textArea.style.width = '2em';\n  textArea.style.height = '2em';\n\n  // We don't need padding, reducing the size if it does flash render.\n  textArea.style.padding = 0;\n\n  // Clean up any borders.\n  textArea.style.border = 'none';\n  textArea.style.outline = 'none';\n  textArea.style.boxShadow = 'none';\n\n  // Avoid flash of white box if rendered for any reason.\n  textArea.style.background = 'transparent';\n\n  textArea.value = text;\n\n  document.body.appendChild(textArea);\n\n  textArea.select();\n\n  try {\n    document.execCommand('copy');\n  } catch (err) {\n    console.log('Oops, unable to copy');\n  }\n\n  document.body.removeChild(textArea);\n}\n\nfunction isNumeric(val) {\n  return !isNaN(val);\n}\n\nexport default {\n  getHeaderHTML,\n  getBodyHTML,\n  getRowHTML,\n  getColumnHTML,\n  getEditCellHTML,\n  prepareRowHeader,\n  prepareRows,\n  namespaceSelector,\n  getCSSString,\n  buildCSSRule,\n  removeCSSRule,\n  makeDataAttributeString,\n  getDefault,\n  escapeRegExp,\n  getCellContent,\n  copyTextToClipboard,\n  camelCaseToDash,\n  isNumeric\n};\n\n\n\n// WEBPACK FOOTER //\n// ./src/utils.js","\nexport default function $(expr, con) {\n  return typeof expr === 'string' ?\n    (con || document).querySelector(expr) :\n    expr || null;\n}\n\n$.each = (expr, con) => {\n  return typeof expr === 'string' ?\n    Array.from((con || document).querySelectorAll(expr)) :\n    expr || null;\n};\n\n$.create = (tag, o) => {\n  let element = document.createElement(tag);\n\n  for (let i in o) {\n    let val = o[i];\n\n    if (i === 'inside') {\n      $(val).appendChild(element);\n    } else\n    if (i === 'around') {\n      let ref = $(val);\n      ref.parentNode.insertBefore(element, ref);\n      element.appendChild(ref);\n    } else\n    if (i === 'styles') {\n      if (typeof val === 'object') {\n        Object.keys(val).map(prop => {\n          element.style[prop] = val[prop];\n        });\n      }\n    } else\n    if (i in element) {\n      element[i] = val;\n    } else {\n      element.setAttribute(i, val);\n    }\n  }\n\n  return element;\n};\n\n$.on = (element, event, selector, callback) => {\n  if (!callback) {\n    callback = selector;\n    $.bind(element, event, callback);\n  } else {\n    $.delegate(element, event, selector, callback);\n  }\n};\n\n$.bind = (element, event, callback) => {\n  event.split(/\\s+/).forEach(function (event) {\n    element.addEventListener(event, callback);\n  });\n};\n\n$.delegate = (element, event, selector, callback) => {\n  element.addEventListener(event, function (e) {\n    const delegatedTarget = e.target.closest(selector);\n    if (delegatedTarget) {\n      e.delegatedTarget = delegatedTarget;\n      callback.call(this, e, delegatedTarget);\n    }\n  });\n};\n\n$.unbind = (element, o) => {\n  if (element) {\n    for (let event in o) {\n      let callback = o[event];\n\n      event.split(/\\s+/).forEach(function (event) {\n        element.removeEventListener(event, callback);\n      });\n    }\n  }\n};\n\n$.fire = (target, type, properties) => {\n  let evt = document.createEvent('HTMLEvents');\n\n  evt.initEvent(type, true, true);\n\n  for (let j in properties) {\n    evt[j] = properties[j];\n  }\n\n  return target.dispatchEvent(evt);\n};\n\n$.data = (element, attrs) => { // eslint-disable-line\n  if (!attrs) {\n    return element.dataset;\n  }\n\n  for (const attr in attrs) {\n    element.dataset[attr] = attrs[attr];\n  }\n};\n\n$.style = (elements, styleMap) => { // eslint-disable-line\n\n  if (typeof styleMap === 'string') {\n    return $.getStyle(elements, styleMap);\n  }\n\n  if (!Array.isArray(elements)) {\n    elements = [elements];\n  }\n\n  elements.map(element => {\n    for (const prop in styleMap) {\n      element.style[prop] = styleMap[prop];\n    }\n  });\n};\n\n$.removeStyle = (elements, styleProps) => {\n  if (!Array.isArray(elements)) {\n    elements = [elements];\n  }\n\n  if (!Array.isArray(styleProps)) {\n    styleProps = [styleProps];\n  }\n\n  elements.map(element => {\n    for (const prop of styleProps) {\n      element.style[prop] = '';\n    }\n  });\n};\n\n$.getStyle = (element, prop) => {\n  let val = getComputedStyle(element)[prop];\n\n  if (['width', 'height'].includes(prop)) {\n    val = parseFloat(val);\n  }\n\n  return val;\n};\n\n\n\n// WEBPACK FOOTER //\n// ./src/dom.js","import DataTable from './datatable.js';\nimport packageJson from '../package.json';\nDataTable.__version__ = packageJson.version;\n\nexport default DataTable;\n\n\n\n// WEBPACK FOOTER //\n// ./src/index.js","import {\n  getBodyHTML,\n  getRowHTML\n} from './utils';\n\nimport $ from './dom';\n\nimport DataManager from './datamanager';\nimport CellManager from './cellmanager';\nimport ColumnManager from './columnmanager';\nimport RowManager from './rowmanager';\nimport Style from './style';\n\nimport './style.scss';\n\nconst DEFAULT_OPTIONS = {\n  events: null,\n  data: {\n    columns: [],\n    rows: []\n  },\n  editing: null,\n  addSerialNoColumn: true,\n  addCheckboxColumn: true,\n  enableClusterize: true,\n  enableLogs: false,\n  takeAvailableSpace: true\n};\n\nexport default class DataTable {\n  constructor(wrapper, options) {\n\n    this.wrapper = wrapper;\n    if (!this.wrapper) {\n      throw new Error('Invalid argument given for `wrapper`');\n    }\n\n    this.options = Object.assign({}, DEFAULT_OPTIONS, options);\n    // custom user events\n    this.events = this.options.events;\n\n    this.prepare();\n\n    this.style = new Style(this.wrapper);\n    this.datamanager = new DataManager(this.options);\n    this.rowmanager = new RowManager(this);\n    this.columnmanager = new ColumnManager(this);\n    this.cellmanager = new CellManager(this);\n\n    if (this.options.data) {\n      this.refresh(this.options.data);\n    }\n  }\n\n  prepare() {\n    this.prepareDom();\n  }\n\n  prepareDom() {\n    this.wrapper.innerHTML = `\n      <div class=\"data-table\">\n        <table class=\"data-table-header\">\n        </table>\n        <div class=\"body-scrollable\">\n        </div>\n        <div class=\"data-table-footer\">\n        </div>\n        <div class=\"data-table-borders\">\n          <div class=\"border-outline\"></div>\n          <div class=\"border-background\"></div>\n        </div>\n      </div>\n    `;\n\n    this.datatableWrapper = $('.data-table', this.wrapper);\n    this.header = $('.data-table-header', this.wrapper);\n    this.bodyScrollable = $('.body-scrollable', this.wrapper);\n  }\n\n  refresh(data) {\n    this.datamanager.init(data);\n    this.render();\n  }\n\n  appendRows(rows) {\n    this.datamanager.appendRows(rows);\n    this.rowmanager.refreshRows();\n  }\n\n  render() {\n    this.renderHeader();\n    this.renderBody();\n    this.setDimensions();\n  }\n\n  renderHeader() {\n    this.columnmanager.renderHeader();\n  }\n\n  renderBody() {\n    if (this.options.enableClusterize) {\n      this.renderBodyWithClusterize();\n    } else {\n      this.renderBodyHTML();\n    }\n  }\n\n  renderBodyHTML() {\n    const rows = this.datamanager.getRows();\n\n    this.bodyScrollable.innerHTML = `\n      <table class=\"data-table-body\">\n        ${getBodyHTML(rows)}\n      </table>\n    `;\n  }\n\n  renderBodyWithClusterize() {\n    // empty body\n    this.bodyScrollable.innerHTML = `\n      <table class=\"data-table-body\">\n        ${getBodyHTML([])}\n      </table>\n    `;\n\n    this.start = 0;\n    this.pageLength = 1000;\n    this.end = this.start + this.pageLength;\n\n    // only append ${this.pageLength} rows in the beginning,\n    // defer remaining\n    const rows = this.datamanager.getRows(this.start, this.end);\n    const initialData = this.getDataForClusterize(rows);\n\n    this.clusterize = new Clusterize({\n      rows: initialData,\n      scrollElem: this.bodyScrollable,\n      contentElem: $('tbody', this.bodyScrollable),\n      callbacks: {\n        clusterChanged: () => {\n          this.rowmanager.highlightCheckedRows();\n        }\n      }\n    });\n    this.log('dataAppended', this.pageLength);\n    this.appendRemainingData();\n  }\n\n  appendRemainingData() {\n    let dataAppended = this.pageLength;\n    const promises = [];\n    const rowCount = this.datamanager.getRowCount();\n\n    while (dataAppended + this.pageLength < rowCount) {\n      this.start = this.end;\n      this.end = this.start + this.pageLength;\n      promises.push(this.appendNextPagePromise(this.start, this.end));\n      dataAppended += this.pageLength;\n    }\n\n    if (rowCount % this.pageLength > 0) {\n      // last page\n      this.start = this.end;\n      this.end = this.start + this.pageLength;\n      promises.push(this.appendNextPagePromise(this.start, this.end));\n    }\n\n    return promises.reduce(\n      (prev, cur) => prev.then(cur), Promise.resolve()\n    );\n  }\n\n  appendNextPagePromise(start, end) {\n    return new Promise(resolve => {\n      setTimeout(() => {\n        const rows = this.datamanager.getRows(start, end);\n        const data = this.getDataForClusterize(rows);\n\n        this.clusterize.append(data);\n        this.log('dataAppended', rows.length);\n        resolve();\n      }, 0);\n    });\n  }\n\n  getDataForClusterize(rows) {\n    return rows.map((row) => getRowHTML(row, { rowIndex: row[0].rowIndex }));\n  }\n\n  setDimensions() {\n    this.columnmanager.setDimensions();\n\n    this.setBodyWidth();\n\n    $.style(this.bodyScrollable, {\n      marginTop: $.style(this.header, 'height') + 'px'\n    });\n\n    $.style($('table', this.bodyScrollable), {\n      margin: 0\n    });\n  }\n\n  setBodyWidth() {\n    const width = $.style(this.header, 'width');\n\n    $.style(this.bodyScrollable, { width: width + 'px' });\n  }\n\n  getColumnHeaderElement(colIndex) {\n    return this.columnmanager.getColumnHeaderElement(colIndex);\n  }\n\n  getViewportHeight() {\n    if (!this.viewportHeight) {\n      this.viewportHeight = $.style(this.bodyScrollable, 'height');\n    }\n\n    return this.viewportHeight;\n  }\n\n  log() {\n    if (this.options.enableLogs) {\n      console.log.apply(console, arguments);\n    }\n  }\n}\n\n\n\n\n// WEBPACK FOOTER //\n// ./src/datatable.js","import { isNumeric } from './utils';\n\nexport default class DataManager {\n  constructor(options) {\n    this.options = options;\n    this.rowCount = 0;\n    this.currentSort = {\n      sortBy: -1, // colIndex\n      sortOrder: 'none' // asc, desc, none\n    };\n  }\n\n  init(data) {\n    let { columns, rows } = data;\n\n    this.columns = this.prepareColumns(columns);\n    this.rows = this.prepareRows(rows);\n\n    this.prepareNumericColumns();\n  }\n\n  prepareColumns(columns) {\n    if (!Array.isArray(columns)) {\n      throw new TypeError('`columns` must be an array');\n    }\n\n    if (this.options.addSerialNoColumn && !this._serialNoColumnAdded) {\n      const val = {\n        content: 'Sr. No',\n        editable: false,\n        resizable: false,\n        align: 'center'\n      };\n\n      columns = [val].concat(columns);\n      this._serialNoColumnAdded = true;\n    }\n\n    if (this.options.addCheckboxColumn && !this._checkboxColumnAdded) {\n      const val = {\n        content: '<input type=\"checkbox\" />',\n        editable: false,\n        resizable: false,\n        sortable: false\n      };\n\n      columns = [val].concat(columns);\n      this._checkboxColumnAdded = true;\n    }\n\n    // wrap the title in span\n    columns = columns.map(column => {\n      if (typeof column === 'string') {\n        column = `<span>${column}</span>`;\n      } else if (typeof column === 'object') {\n        column.content = `<span>${column.content}</span>`;\n      }\n\n      return column;\n    });\n\n    return prepareColumns(columns, {\n      isHeader: 1\n    });\n  }\n\n  prepareNumericColumns() {\n    const row0 = this.getRow(0);\n    this.columns = this.columns.map((column, i) => {\n\n      const cellValue = row0[i].content;\n      if (!column.align && cellValue && isNumeric(cellValue)) {\n        column.align = 'right';\n      }\n\n      return column;\n    });\n  }\n\n  prepareRows(rows) {\n    if (!Array.isArray(rows) || !Array.isArray(rows[0])) {\n      throw new TypeError('`rows` must be an array of arrays');\n    }\n\n    rows = rows.map((row, i) => {\n      const index = this._getNextRowCount();\n\n      if (row.length < this.columns.length) {\n        if (this._serialNoColumnAdded) {\n          const val = (index + 1) + '';\n\n          row = [val].concat(row);\n        }\n\n        if (this._checkboxColumnAdded) {\n          const val = '<input type=\"checkbox\" />';\n\n          row = [val].concat(row);\n        }\n      }\n\n      return prepareRow(row, index);\n    });\n\n    return rows;\n  }\n\n  appendRows(rows) {\n    if (Array.isArray(rows) && !Array.isArray(rows[0])) {\n      rows = [rows];\n    }\n    const _rows = this.prepareRows(rows);\n\n    this.rows = this.rows.concat(_rows);\n  }\n\n  sortRows(colIndex, sortOrder = 'none') {\n    colIndex = +colIndex;\n\n    if (this.currentSort.colIndex === colIndex) {\n      // reverse the array if only sortOrder changed\n      if (\n        (this.currentSort.sortOrder === 'asc' && sortOrder === 'desc') ||\n        (this.currentSort.sortOrder === 'desc' && sortOrder === 'asc')\n      ) {\n        this.reverseArray(this.rows);\n        this.currentSort.sortOrder = sortOrder;\n        return;\n      }\n    }\n\n    this.rows.sort((a, b) => {\n      const _aIndex = a[0].rowIndex;\n      const _bIndex = b[0].rowIndex;\n      const _a = a[colIndex].content;\n      const _b = b[colIndex].content;\n\n      if (sortOrder === 'none') {\n        return _aIndex - _bIndex;\n      } else if (sortOrder === 'asc') {\n        if (_a < _b) return -1;\n        if (_a > _b) return 1;\n        if (_a === _b) return 0;\n      } else if (sortOrder === 'desc') {\n        if (_a < _b) return 1;\n        if (_a > _b) return -1;\n        if (_a === _b) return 0;\n      }\n      return 0;\n    });\n\n    this.currentSort.colIndex = colIndex;\n    this.currentSort.sortOrder = sortOrder;\n  }\n\n  reverseArray(array) {\n    let left = null;\n    let right = null;\n    let length = array.length;\n\n    for (left = 0, right = length - 1; left < right; left += 1, right -= 1) {\n      const temporary = array[left];\n\n      array[left] = array[right];\n      array[right] = temporary;\n    }\n  }\n\n  getRowCount() {\n    return this.rowCount;\n  }\n\n  _getNextRowCount() {\n    const val = this.rowCount;\n\n    this.rowCount++;\n    return val;\n  }\n\n  getRows(start, end) {\n    return this.rows.slice(start, end);\n  }\n\n  getColumns(skipStandardColumns) {\n    let columns = this.columns;\n\n    if (skipStandardColumns) {\n      columns = columns.slice(this.getStandardColumnCount());\n    }\n\n    return columns;\n  }\n\n  getStandardColumnCount() {\n    if (this.options.addCheckboxColumn && this.options.addSerialNoColumn) {\n      return 2;\n    }\n\n    if (this.options.addCheckboxColumn || this.options.addSerialNoColumn) {\n      return 1;\n    }\n\n    return 0;\n  }\n\n  getColumnCount(skipStandardColumns) {\n    let val = this.columns.length;\n\n    if (skipStandardColumns) {\n      val = val - this.getStandardColumnCount();\n    }\n\n    return val;\n  }\n\n  getColumn(colIndex) {\n    colIndex = +colIndex;\n    return this.columns.find(col => col.colIndex === colIndex);\n  }\n\n  getRow(rowIndex) {\n    rowIndex = +rowIndex;\n    return this.rows.find(row => row[0].rowIndex === rowIndex);\n  }\n\n  getCell(colIndex, rowIndex) {\n    rowIndex = +rowIndex;\n    colIndex = +colIndex;\n    return this.rows.find(row => row[0].rowIndex === rowIndex)[colIndex];\n  }\n\n  get() {\n    return {\n      columns: this.columns,\n      rows: this.rows\n    };\n  }\n}\n\nfunction prepareColumns(columns, props = {}) {\n  const _columns = columns.map(prepareCell);\n\n  return _columns.map(col => Object.assign({}, col, props));\n}\n\nfunction prepareRow(row, i) {\n  return prepareColumns(row, {\n    rowIndex: i\n  });\n}\n\nfunction prepareCell(col, i) {\n  if (typeof col === 'string') {\n    col = {\n      content: col\n    };\n  }\n  return Object.assign(col, {\n    colIndex: i\n  });\n}\n\n\n\n// WEBPACK FOOTER //\n// ./src/datamanager.js","import { getCellContent, copyTextToClipboard } from './utils';\nimport keyboard from 'keyboard';\nimport $ from './dom';\n\nexport default class CellManager {\n  constructor(instance) {\n    this.instance = instance;\n    this.wrapper = this.instance.wrapper;\n    this.options = this.instance.options;\n    this.style = this.instance.style;\n    this.bodyScrollable = this.instance.bodyScrollable;\n    this.columnmanager = this.instance.columnmanager;\n    this.rowmanager = this.instance.rowmanager;\n\n    this.bindEvents();\n  }\n\n  bindEvents() {\n    this.bindFocusCell();\n    this.bindEditCell();\n    this.bindKeyboardSelection();\n    this.bindCopyCellContents();\n    this.bindMouseEvents();\n  }\n\n  bindFocusCell() {\n    this.bindKeyboardNav();\n  }\n\n  bindEditCell() {\n    this.$editingCell = null;\n\n    $.on(this.bodyScrollable, 'dblclick', '.data-table-col', (e, cell) => {\n      this.activateEditing(cell);\n    });\n\n    keyboard.on('enter', (e) => {\n      if (this.$focusedCell && !this.$editingCell) {\n        // enter keypress on focused cell\n        this.activateEditing(this.$focusedCell);\n      } else if (this.$editingCell) {\n        // enter keypress on editing cell\n        this.submitEditing(this.$editingCell);\n        this.deactivateEditing();\n      }\n    });\n\n    $.on(document.body, 'click', e => {\n      if (e.target.matches('.edit-cell, .edit-cell *')) return;\n      this.deactivateEditing();\n    });\n  }\n\n  bindKeyboardNav() {\n    const focusCell = (direction) => {\n      if (!this.$focusedCell || this.$editingCell) {\n        return false;\n      }\n\n      let $cell = this.$focusedCell;\n\n      if (direction === 'left') {\n        $cell = this.getLeftCell$($cell);\n      } else if (direction === 'right') {\n        $cell = this.getRightCell$($cell);\n      } else if (direction === 'up') {\n        $cell = this.getAboveCell$($cell);\n      } else if (direction === 'down') {\n        $cell = this.getBelowCell$($cell);\n      }\n\n      this.focusCell($cell);\n      return true;\n    };\n\n    const focusLastCell = (direction) => {\n      if (!this.$focusedCell || this.$editingCell) {\n        return false;\n      }\n\n      let $cell = this.$focusedCell;\n      const { rowIndex, colIndex } = $.data($cell);\n\n      if (direction === 'left') {\n        $cell = this.getLeftMostCell$(rowIndex);\n      } else if (direction === 'right') {\n        $cell = this.getRightMostCell$(rowIndex);\n      } else if (direction === 'up') {\n        $cell = this.getTopMostCell$(colIndex);\n      } else if (direction === 'down') {\n        $cell = this.getBottomMostCell$(colIndex);\n      }\n\n      this.focusCell($cell);\n      return true;\n    };\n\n    const scrollToCell = (direction) => {\n      if (!this.$focusedCell) return false;\n\n      if (!this.inViewport(this.$focusedCell)) {\n        const { rowIndex } = $.data(this.$focusedCell);\n\n        this.scrollToRow(rowIndex - this.getRowCountPerPage() + 2);\n        return true;\n      }\n\n      return false;\n    };\n\n    ['left', 'right', 'up', 'down'].map(\n      direction => keyboard.on(direction, () => focusCell(direction))\n    );\n\n    ['left', 'right', 'up', 'down'].map(\n      direction => keyboard.on('ctrl+' + direction, () => focusLastCell(direction))\n    );\n\n    ['left', 'right', 'up', 'down'].map(\n      direction => keyboard.on(direction, () => scrollToCell(direction))\n    );\n\n    keyboard.on('esc', () => {\n      this.deactivateEditing();\n    });\n  }\n\n  bindKeyboardSelection() {\n    const getNextSelectionCursor = (direction) => {\n      let $selectionCursor = this.getSelectionCursor();\n\n      if (direction === 'left') {\n        $selectionCursor = this.getLeftCell$($selectionCursor);\n      } else if (direction === 'right') {\n        $selectionCursor = this.getRightCell$($selectionCursor);\n      } else if (direction === 'up') {\n        $selectionCursor = this.getAboveCell$($selectionCursor);\n      } else if (direction === 'down') {\n        $selectionCursor = this.getBelowCell$($selectionCursor);\n      }\n\n      return $selectionCursor;\n    };\n\n    ['left', 'right', 'up', 'down'].map(\n      direction => keyboard.on('shift+' + direction,\n        () => this.selectArea(getNextSelectionCursor(direction)))\n    );\n  }\n\n  bindCopyCellContents() {\n    keyboard.on('ctrl+c', () => {\n      this.copyCellContents(this.$focusedCell, this.$selectionCursor);\n    });\n  }\n\n  bindMouseEvents() {\n    let mouseDown = null;\n\n    $.on(this.bodyScrollable, 'mousedown', '.data-table-col', (e) => {\n      mouseDown = true;\n      this.focusCell($(e.delegatedTarget));\n    });\n\n    $.on(this.bodyScrollable, 'mouseup', () => {\n      mouseDown = false;\n    });\n\n    $.on(this.bodyScrollable, 'mousemove', '.data-table-col', (e) => {\n      if (!mouseDown) return;\n      this.selectArea($(e.delegatedTarget));\n    });\n  }\n\n  focusCell($cell) {\n    if (!$cell) return;\n\n    const { colIndex, isHeader } = $.data($cell);\n\n    if (this.isStandardCell(colIndex) || isHeader) {\n      return;\n    }\n\n    this.deactivateEditing();\n    this.clearSelection();\n\n    if (this.options.addCheckboxColumn && colIndex === 0) {\n      return;\n    }\n\n    if (this.$focusedCell) {\n      this.$focusedCell.classList.remove('selected');\n    }\n\n    this.$focusedCell = $cell;\n    $cell.classList.add('selected');\n\n    this.highlightRowColumnHeader($cell);\n  }\n\n  highlightRowColumnHeader($cell) {\n    const { colIndex, rowIndex } = $.data($cell);\n    const _colIndex = this.columnmanager.getSerialColumnIndex();\n    const colHeaderSelector = `.data-table-header .data-table-col[data-col-index=\"${colIndex}\"]`;\n    const rowHeaderSelector = `.data-table-col[data-row-index=\"${rowIndex}\"][data-col-index=\"${_colIndex}\"]`;\n\n    if (this.lastHeaders) {\n      $.removeStyle(this.lastHeaders, 'backgroundColor');\n    }\n\n    const colHeader = $(colHeaderSelector, this.wrapper);\n    const rowHeader = $(rowHeaderSelector, this.wrapper);\n\n    $.style([colHeader, rowHeader], {\n      backgroundColor: 'var(--light-bg)'\n    });\n\n    this.lastHeaders = [colHeader, rowHeader];\n  }\n\n  selectArea($selectionCursor) {\n    if (!this.$focusedCell) return;\n\n    if (this._selectArea(this.$focusedCell, $selectionCursor)) {\n      // valid selection\n      this.$selectionCursor = $selectionCursor;\n    }\n  };\n\n  _selectArea($cell1, $cell2) {\n    if ($cell1 === $cell2) return false;\n\n    const cells = this.getCellsInRange($cell1, $cell2);\n    if (!cells) return false;\n\n    this.clearSelection();\n    cells.map(index => this.getCell$(...index)).map($cell => $cell.classList.add('highlight'));\n    return true;\n  }\n\n  getCellsInRange($cell1, $cell2) {\n    let colIndex1, rowIndex1, colIndex2, rowIndex2;\n\n    if (typeof $cell1 === 'number') {\n      [colIndex1, rowIndex1, colIndex2, rowIndex2] = arguments;\n    } else\n    if (typeof $cell1 === 'object') {\n\n      if (!($cell1 && $cell2)) {\n        return false;\n      }\n\n      const cell1 = $.data($cell1);\n      const cell2 = $.data($cell2);\n\n      colIndex1 = cell1.colIndex;\n      rowIndex1 = cell1.rowIndex;\n      colIndex2 = cell2.colIndex;\n      rowIndex2 = cell2.rowIndex;\n    }\n\n    if (rowIndex1 > rowIndex2) {\n      [rowIndex1, rowIndex2] = [rowIndex2, rowIndex1];\n    }\n\n    if (colIndex1 > colIndex2) {\n      [colIndex1, colIndex2] = [colIndex2, colIndex1];\n    }\n\n    if (this.isStandardCell(colIndex1) || this.isStandardCell(colIndex2)) {\n      return false;\n    }\n\n    let cells = [];\n    let colIndex = colIndex1;\n    let rowIndex = rowIndex1;\n    let rowIndices = [];\n\n    while (rowIndex <= rowIndex2) {\n      rowIndices.push(rowIndex);\n      rowIndex++;\n    }\n\n    rowIndices.map(rowIndex => {\n      while (colIndex <= colIndex2) {\n        cells.push([colIndex, rowIndex]);\n        colIndex++;\n      }\n      colIndex = colIndex1;\n    });\n\n    return cells;\n  }\n\n  clearSelection() {\n    $.each('.data-table-col.highlight', this.bodyScrollable)\n      .map(cell => cell.classList.remove('highlight'));\n\n    this.$selectionCursor = null;\n  }\n\n  getSelectionCursor() {\n    return this.$selectionCursor || this.$focusedCell;\n  }\n\n  activateEditing($cell) {\n    const { rowIndex, colIndex } = $.data($cell);\n    const col = this.instance.columnmanager.getColumn(colIndex);\n\n    if (col && col.editable === false) {\n      return;\n    }\n\n    if (this.$editingCell) {\n      const { _rowIndex, _colIndex } = $.data(this.$editingCell);\n\n      if (rowIndex === _rowIndex && colIndex === _colIndex) {\n        // editing the same cell\n        return;\n      }\n    }\n\n    this.$editingCell = $cell;\n    $cell.classList.add('editing');\n\n    const $editCell = $('.edit-cell', $cell);\n    $editCell.innerHTML = '';\n\n    const cell = this.getCell(colIndex, rowIndex);\n    const editing = this.getEditingObject(colIndex, rowIndex, cell.content, $editCell);\n\n    if (editing) {\n      this.currentCellEditing = editing;\n      // initialize editing input with cell value\n      editing.initValue(cell.content);\n    }\n  }\n\n  deactivateEditing() {\n    if (!this.$editingCell) return;\n    this.$editingCell.classList.remove('editing');\n    this.$editingCell = null;\n  }\n\n  getEditingObject(colIndex, rowIndex, value, parent) {\n    if (this.options.editing) {\n      return this.options.editing(colIndex, rowIndex, value, parent);\n    }\n\n    // editing fallback\n    const $input = $.create('input', {\n      type: 'text',\n      inside: parent\n    });\n\n    return {\n      initValue(value) {\n        $input.focus();\n        $input.value = value;\n      },\n      getValue() {\n        return $input.value;\n      },\n      setValue(value) {\n        $input.value = value;\n      }\n    };\n  }\n\n  submitEditing($cell) {\n    const { rowIndex, colIndex } = $.data($cell);\n\n    if ($cell) {\n      const editing = this.currentCellEditing;\n\n      if (editing) {\n        const value = editing.getValue();\n        const done = editing.setValue(value);\n\n        if (done && done.then) {\n          // wait for promise then update internal state\n          done.then(\n            () => this.updateCell(rowIndex, colIndex, value)\n          );\n        } else {\n          this.updateCell(rowIndex, colIndex, value);\n        }\n      }\n    }\n\n    this.currentCellEditing = null;\n  }\n\n  copyCellContents($cell1, $cell2) {\n    const cells = this.getCellsInRange($cell1, $cell2);\n\n    if (!cells) return;\n\n    const values = cells\n      // get cell objects\n      .map(index => this.getCell(...index))\n      // convert to array of rows\n      .reduce((acc, curr) => {\n        const rowIndex = curr.rowIndex;\n\n        acc[rowIndex] = acc[rowIndex] || [];\n        acc[rowIndex].push(curr.content);\n\n        return acc;\n      }, [])\n      // join values by tab\n      .map(row => row.join('\\t'))\n      // join rows by newline\n      .join('\\n');\n\n    copyTextToClipboard(values);\n  }\n\n  updateCell(rowIndex, colIndex, value) {\n    const cell = this.getCell(colIndex, rowIndex);\n\n    cell.content = value;\n    this.refreshCell(cell);\n  }\n\n  refreshCell(cell) {\n    const selector = `.data-table-col[data-row-index=\"${cell.rowIndex}\"][data-col-index=\"${cell.colIndex}\"]`;\n    const $cell = $(selector, this.bodyScrollable);\n\n    $cell.innerHTML = getCellContent(cell);\n  }\n\n  isStandardCell(colIndex) {\n    // Standard cells are in Sr. No and Checkbox column\n    return colIndex < this.columnmanager.getFirstColumnIndex();\n  }\n\n  getCell$(colIndex, rowIndex) {\n    return $(`.data-table-col[data-row-index=\"${rowIndex}\"][data-col-index=\"${colIndex}\"]`, this.bodyScrollable);\n  }\n\n  getAboveCell$($cell) {\n    const { colIndex } = $.data($cell);\n    const $aboveRow = $cell.parentElement.previousElementSibling;\n\n    return $(`[data-col-index=\"${colIndex}\"]`, $aboveRow);\n  }\n\n  getBelowCell$($cell) {\n    const { colIndex } = $.data($cell);\n    const $belowRow = $cell.parentElement.nextElementSibling;\n\n    return $(`[data-col-index=\"${colIndex}\"]`, $belowRow);\n  }\n\n  getLeftCell$($cell) {\n    return $cell.previousElementSibling;\n  }\n\n  getRightCell$($cell) {\n    return $cell.nextElementSibling;\n  }\n\n  getLeftMostCell$(rowIndex) {\n    return this.getCell$(rowIndex, this.columnmanager.getFirstColumnIndex());\n  }\n\n  getRightMostCell$(rowIndex) {\n    return this.getCell$(rowIndex, this.columnmanager.getLastColumnIndex());\n  }\n\n  getTopMostCell$(colIndex) {\n    return this.getCell$(this.rowmanager.getFirstRowIndex(), colIndex);\n  }\n\n  getBottomMostCell$(colIndex) {\n    return this.getCell$(this.rowmanager.getLastRowIndex(), colIndex);\n  }\n\n  getCell(colIndex, rowIndex) {\n    return this.instance.datamanager.getCell(colIndex, rowIndex);\n  }\n\n  getCellAttr($cell) {\n    return this.instance.getCellAttr($cell);\n  }\n\n  getRowHeight() {\n    return $.style($('.data-table-row', this.bodyScrollable), 'height');\n  }\n\n  inViewport($cell) {\n    let colIndex, rowIndex; // eslint-disable-line\n\n    if (typeof $cell === 'number') {\n      [colIndex, rowIndex] = arguments;\n    } else {\n      let cell = $.data($cell);\n\n      colIndex = cell.colIndex;\n      rowIndex = cell.rowIndex;\n    }\n\n    const viewportHeight = this.instance.getViewportHeight();\n    const rowHeight = this.getRowHeight();\n    const rowOffset = rowIndex * rowHeight;\n\n    const scrollTopOffset = this.bodyScrollable.scrollTop;\n\n    if (rowOffset - scrollTopOffset + rowHeight < viewportHeight) {\n      return true;\n    }\n\n    return false;\n  }\n\n  scrollToCell($cell) {\n    const { rowIndex } = $.data($cell);\n\n    this.scrollToRow(rowIndex);\n  }\n\n  getRowCountPerPage() {\n    return Math.ceil(this.instance.getViewportHeight() / this.getRowHeight());\n  }\n\n  scrollToRow(rowIndex) {\n    const offset = rowIndex * this.getRowHeight();\n\n    this.bodyScrollable.scrollTop = offset;\n  }\n}\n\n\n\n\n// WEBPACK FOOTER //\n// ./src/cellmanager.js","import $ from './dom';\n\nconst KEYCODES = {\n  13: 'enter',\n  91: 'meta',\n  16: 'shift',\n  17: 'ctrl',\n  18: 'alt',\n  37: 'left',\n  38: 'up',\n  39: 'right',\n  40: 'down',\n  9: 'tab',\n  27: 'esc',\n  67: 'c'\n};\n\nconst handlers = {};\n\nfunction bind() {\n  $.on(document, 'keydown', handler);\n}\n\nfunction handler(e) {\n  let key = KEYCODES[e.keyCode];\n\n  if (e.shiftKey && key !== 'shift') {\n    key = 'shift+' + key;\n  }\n\n  if ((e.ctrlKey && key !== 'ctrl') || (e.metaKey && key !== 'meta')) {\n    key = 'ctrl+' + key;\n  }\n\n  const _handlers = handlers[key];\n\n  if (_handlers && _handlers.length > 0) {\n    _handlers.map(handler => {\n      const preventBubbling = handler();\n\n      if (preventBubbling === undefined || preventBubbling === true) {\n        e.preventDefault();\n      }\n    });\n  }\n}\n\nbind();\n\nexport default {\n  on(key, handler) {\n    const keys = key.split(',').map(k => k.trim());\n\n    keys.map(key => {\n      handlers[key] = handlers[key] || [];\n      handlers[key].push(handler);\n    });\n  }\n};\n\n\n\n// WEBPACK FOOTER //\n// ./src/keyboard.js","import { camelCaseToDash } from './utils';\n\nexport default class Style {\n\n  constructor(wrapper) {\n    const styleEl = document.createElement('style');\n\n    document.head.appendChild(styleEl);\n    this.styleSheet = styleEl.sheet;\n  }\n\n  setStyle(rule, styleMap) {\n    const styles = Object.keys(styleMap)\n      .map(prop => {\n        if (!prop.includes('-')) {\n          prop = camelCaseToDash(prop);\n        }\n        return `${prop}:${styleMap[prop]};`;\n      })\n      .join('');\n    let ruleString = `${rule} { ${styles} }`;\n\n    this.styleSheet.insertRule(ruleString, this.styleSheet.cssRules.length);\n  }\n}\n\n\n\n// WEBPACK FOOTER //\n// ./src/style.js","// style-loader: Adds some css to the DOM by adding a <style> tag\n\n// load the styles\nvar content = require(\"!!../node_modules/css-loader/index.js!../node_modules/sass-loader/lib/loader.js!./style.scss\");\nif(typeof content === 'string') content = [[module.id, content, '']];\n// Prepare cssTransformation\nvar transform;\n\nvar options = {}\noptions.transform = transform\n// add the styles to the DOM\nvar update = require(\"!../node_modules/style-loader/lib/addStyles.js\")(content, options);\nif(content.locals) module.exports = content.locals;\n// Hot Module Replacement\nif(module.hot) {\n\t// When the styles change, update the <style> tags\n\tif(!content.locals) {\n\t\tmodule.hot.accept(\"!!../node_modules/css-loader/index.js!../node_modules/sass-loader/lib/loader.js!./style.scss\", function() {\n\t\t\tvar newContent = require(\"!!../node_modules/css-loader/index.js!../node_modules/sass-loader/lib/loader.js!./style.scss\");\n\t\t\tif(typeof newContent === 'string') newContent = [[module.id, newContent, '']];\n\t\t\tupdate(newContent);\n\t\t});\n\t}\n\t// When the module is disposed, remove the <style> tags\n\tmodule.hot.dispose(function() { update(); });\n}\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./src/style.scss\n// module id = 8\n// module chunks = 0","exports = module.exports = require(\"../node_modules/css-loader/lib/css-base.js\")(undefined);\n// imports\n\n\n// module\nexports.push([module.id, \"/* variables */\\n:root {\\n  --border-color: #d1d8dd;\\n  --primary-color: #5292f7;\\n  --light-bg: #f5f7fa; }\\n\\n/* resets */\\n*, *::after, *::before {\\n  box-sizing: border-box; }\\n\\nbutton, input {\\n  overflow: visible;\\n  font-family: inherit;\\n  font-size: inherit;\\n  line-height: inherit;\\n  margin: 0; }\\n\\n/* styling */\\n.data-table * {\\n  outline: none; }\\n\\n.data-table {\\n  width: 100%;\\n  position: relative;\\n  overflow: auto; }\\n  .data-table table {\\n    border-collapse: collapse; }\\n  .data-table table td {\\n    padding: 0;\\n    border: 1px solid var(--border-color); }\\n  .data-table thead td {\\n    border-bottom-width: 2px; }\\n\\n.body-scrollable {\\n  max-height: 500px;\\n  overflow: auto;\\n  border-bottom: 1px solid var(--border-color); }\\n  .body-scrollable.row-highlight-all .data-table-row {\\n    background-color: var(--light-bg); }\\n\\n.data-table-header {\\n  position: absolute;\\n  top: 0;\\n  left: 0;\\n  background-color: white;\\n  font-weight: bold;\\n  cursor: col-resize; }\\n  .data-table-header .content span {\\n    cursor: pointer; }\\n  .data-table-header .sort-indicator {\\n    position: absolute;\\n    right: 8px;\\n    top: 9px; }\\n\\n.data-table-col {\\n  position: relative; }\\n  .data-table-col .content {\\n    padding: 8px;\\n    border: 2px solid transparent; }\\n    .data-table-col .content.ellipsis {\\n      text-overflow: ellipsis;\\n      white-space: nowrap;\\n      overflow: hidden; }\\n  .data-table-col .edit-cell {\\n    display: none;\\n    padding: 8px;\\n    background: #fff;\\n    z-index: 1;\\n    height: 100%; }\\n    .data-table-col .edit-cell input {\\n      outline: none;\\n      width: 100%;\\n      border: none;\\n      height: 1em; }\\n  .data-table-col.selected .content {\\n    border: 2px solid var(--primary-color); }\\n  .data-table-col.editing .content {\\n    display: none; }\\n  .data-table-col.editing .edit-cell {\\n    border: 2px solid var(--primary-color);\\n    display: block; }\\n  .data-table-col.highlight {\\n    background-color: var(--light-bg); }\\n\\n.data-table-row.row-highlight {\\n  background-color: var(--light-bg); }\\n\\n.noselect {\\n  -webkit-touch-callout: none;\\n  -webkit-user-select: none;\\n  -khtml-user-select: none;\\n  -moz-user-select: none;\\n  -ms-user-select: none;\\n  user-select: none; }\\n\", \"\"]);\n\n// exports\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/css-loader!./node_modules/sass-loader/lib/loader.js!./src/style.scss\n// module id = 9\n// module chunks = 0","/*\n\tMIT License http://www.opensource.org/licenses/mit-license.php\n\tAuthor Tobias Koppers @sokra\n*/\n// css base code, injected by the css-loader\nmodule.exports = function(useSourceMap) {\n\tvar list = [];\n\n\t// return the list of modules as css string\n\tlist.toString = function toString() {\n\t\treturn this.map(function (item) {\n\t\t\tvar content = cssWithMappingToString(item, useSourceMap);\n\t\t\tif(item[2]) {\n\t\t\t\treturn \"@media \" + item[2] + \"{\" + content + \"}\";\n\t\t\t} else {\n\t\t\t\treturn content;\n\t\t\t}\n\t\t}).join(\"\");\n\t};\n\n\t// import a list of modules into the list\n\tlist.i = function(modules, mediaQuery) {\n\t\tif(typeof modules === \"string\")\n\t\t\tmodules = [[null, modules, \"\"]];\n\t\tvar alreadyImportedModules = {};\n\t\tfor(var i = 0; i < this.length; i++) {\n\t\t\tvar id = this[i][0];\n\t\t\tif(typeof id === \"number\")\n\t\t\t\talreadyImportedModules[id] = true;\n\t\t}\n\t\tfor(i = 0; i < modules.length; i++) {\n\t\t\tvar item = modules[i];\n\t\t\t// skip already imported module\n\t\t\t// this implementation is not 100% perfect for weird media query combinations\n\t\t\t//  when a module is imported multiple times with different media queries.\n\t\t\t//  I hope this will never occur (Hey this way we have smaller bundles)\n\t\t\tif(typeof item[0] !== \"number\" || !alreadyImportedModules[item[0]]) {\n\t\t\t\tif(mediaQuery && !item[2]) {\n\t\t\t\t\titem[2] = mediaQuery;\n\t\t\t\t} else if(mediaQuery) {\n\t\t\t\t\titem[2] = \"(\" + item[2] + \") and (\" + mediaQuery + \")\";\n\t\t\t\t}\n\t\t\t\tlist.push(item);\n\t\t\t}\n\t\t}\n\t};\n\treturn list;\n};\n\nfunction cssWithMappingToString(item, useSourceMap) {\n\tvar content = item[1] || '';\n\tvar cssMapping = item[3];\n\tif (!cssMapping) {\n\t\treturn content;\n\t}\n\n\tif (useSourceMap && typeof btoa === 'function') {\n\t\tvar sourceMapping = toComment(cssMapping);\n\t\tvar sourceURLs = cssMapping.sources.map(function (source) {\n\t\t\treturn '/*# sourceURL=' + cssMapping.sourceRoot + source + ' */'\n\t\t});\n\n\t\treturn [content].concat(sourceURLs).concat([sourceMapping]).join('\\n');\n\t}\n\n\treturn [content].join('\\n');\n}\n\n// Adapted from convert-source-map (MIT)\nfunction toComment(sourceMap) {\n\t// eslint-disable-next-line no-undef\n\tvar base64 = btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap))));\n\tvar data = 'sourceMappingURL=data:application/json;charset=utf-8;base64,' + base64;\n\n\treturn '/*# ' + data + ' */';\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/css-loader/lib/css-base.js\n// module id = 10\n// module chunks = 0","/*\n\tMIT License http://www.opensource.org/licenses/mit-license.php\n\tAuthor Tobias Koppers @sokra\n*/\n\nvar stylesInDom = {};\n\nvar\tmemoize = function (fn) {\n\tvar memo;\n\n\treturn function () {\n\t\tif (typeof memo === \"undefined\") memo = fn.apply(this, arguments);\n\t\treturn memo;\n\t};\n};\n\nvar isOldIE = memoize(function () {\n\t// Test for IE <= 9 as proposed by Browserhacks\n\t// @see http://browserhacks.com/#hack-e71d8692f65334173fee715c222cb805\n\t// Tests for existence of standard globals is to allow style-loader\n\t// to operate correctly into non-standard environments\n\t// @see https://github.com/webpack-contrib/style-loader/issues/177\n\treturn window && document && document.all && !window.atob;\n});\n\nvar getElement = (function (fn) {\n\tvar memo = {};\n\n\treturn function(selector) {\n\t\tif (typeof memo[selector] === \"undefined\") {\n\t\t\tmemo[selector] = fn.call(this, selector);\n\t\t}\n\n\t\treturn memo[selector]\n\t};\n})(function (target) {\n\treturn document.querySelector(target)\n});\n\nvar singleton = null;\nvar\tsingletonCounter = 0;\nvar\tstylesInsertedAtTop = [];\n\nvar\tfixUrls = require(\"./urls\");\n\nmodule.exports = function(list, options) {\n\tif (typeof DEBUG !== \"undefined\" && DEBUG) {\n\t\tif (typeof document !== \"object\") throw new Error(\"The style-loader cannot be used in a non-browser environment\");\n\t}\n\n\toptions = options || {};\n\n\toptions.attrs = typeof options.attrs === \"object\" ? options.attrs : {};\n\n\t// Force single-tag solution on IE6-9, which has a hard limit on the # of <style>\n\t// tags it will allow on a page\n\tif (!options.singleton) options.singleton = isOldIE();\n\n\t// By default, add <style> tags to the <head> element\n\tif (!options.insertInto) options.insertInto = \"head\";\n\n\t// By default, add <style> tags to the bottom of the target\n\tif (!options.insertAt) options.insertAt = \"bottom\";\n\n\tvar styles = listToStyles(list, options);\n\n\taddStylesToDom(styles, options);\n\n\treturn function update (newList) {\n\t\tvar mayRemove = [];\n\n\t\tfor (var i = 0; i < styles.length; i++) {\n\t\t\tvar item = styles[i];\n\t\t\tvar domStyle = stylesInDom[item.id];\n\n\t\t\tdomStyle.refs--;\n\t\t\tmayRemove.push(domStyle);\n\t\t}\n\n\t\tif(newList) {\n\t\t\tvar newStyles = listToStyles(newList, options);\n\t\t\taddStylesToDom(newStyles, options);\n\t\t}\n\n\t\tfor (var i = 0; i < mayRemove.length; i++) {\n\t\t\tvar domStyle = mayRemove[i];\n\n\t\t\tif(domStyle.refs === 0) {\n\t\t\t\tfor (var j = 0; j < domStyle.parts.length; j++) domStyle.parts[j]();\n\n\t\t\t\tdelete stylesInDom[domStyle.id];\n\t\t\t}\n\t\t}\n\t};\n};\n\nfunction addStylesToDom (styles, options) {\n\tfor (var i = 0; i < styles.length; i++) {\n\t\tvar item = styles[i];\n\t\tvar domStyle = stylesInDom[item.id];\n\n\t\tif(domStyle) {\n\t\t\tdomStyle.refs++;\n\n\t\t\tfor(var j = 0; j < domStyle.parts.length; j++) {\n\t\t\t\tdomStyle.parts[j](item.parts[j]);\n\t\t\t}\n\n\t\t\tfor(; j < item.parts.length; j++) {\n\t\t\t\tdomStyle.parts.push(addStyle(item.parts[j], options));\n\t\t\t}\n\t\t} else {\n\t\t\tvar parts = [];\n\n\t\t\tfor(var j = 0; j < item.parts.length; j++) {\n\t\t\t\tparts.push(addStyle(item.parts[j], options));\n\t\t\t}\n\n\t\t\tstylesInDom[item.id] = {id: item.id, refs: 1, parts: parts};\n\t\t}\n\t}\n}\n\nfunction listToStyles (list, options) {\n\tvar styles = [];\n\tvar newStyles = {};\n\n\tfor (var i = 0; i < list.length; i++) {\n\t\tvar item = list[i];\n\t\tvar id = options.base ? item[0] + options.base : item[0];\n\t\tvar css = item[1];\n\t\tvar media = item[2];\n\t\tvar sourceMap = item[3];\n\t\tvar part = {css: css, media: media, sourceMap: sourceMap};\n\n\t\tif(!newStyles[id]) styles.push(newStyles[id] = {id: id, parts: [part]});\n\t\telse newStyles[id].parts.push(part);\n\t}\n\n\treturn styles;\n}\n\nfunction insertStyleElement (options, style) {\n\tvar target = getElement(options.insertInto)\n\n\tif (!target) {\n\t\tthrow new Error(\"Couldn't find a style target. This probably means that the value for the 'insertInto' parameter is invalid.\");\n\t}\n\n\tvar lastStyleElementInsertedAtTop = stylesInsertedAtTop[stylesInsertedAtTop.length - 1];\n\n\tif (options.insertAt === \"top\") {\n\t\tif (!lastStyleElementInsertedAtTop) {\n\t\t\ttarget.insertBefore(style, target.firstChild);\n\t\t} else if (lastStyleElementInsertedAtTop.nextSibling) {\n\t\t\ttarget.insertBefore(style, lastStyleElementInsertedAtTop.nextSibling);\n\t\t} else {\n\t\t\ttarget.appendChild(style);\n\t\t}\n\t\tstylesInsertedAtTop.push(style);\n\t} else if (options.insertAt === \"bottom\") {\n\t\ttarget.appendChild(style);\n\t} else {\n\t\tthrow new Error(\"Invalid value for parameter 'insertAt'. Must be 'top' or 'bottom'.\");\n\t}\n}\n\nfunction removeStyleElement (style) {\n\tif (style.parentNode === null) return false;\n\tstyle.parentNode.removeChild(style);\n\n\tvar idx = stylesInsertedAtTop.indexOf(style);\n\tif(idx >= 0) {\n\t\tstylesInsertedAtTop.splice(idx, 1);\n\t}\n}\n\nfunction createStyleElement (options) {\n\tvar style = document.createElement(\"style\");\n\n\toptions.attrs.type = \"text/css\";\n\n\taddAttrs(style, options.attrs);\n\tinsertStyleElement(options, style);\n\n\treturn style;\n}\n\nfunction createLinkElement (options) {\n\tvar link = document.createElement(\"link\");\n\n\toptions.attrs.type = \"text/css\";\n\toptions.attrs.rel = \"stylesheet\";\n\n\taddAttrs(link, options.attrs);\n\tinsertStyleElement(options, link);\n\n\treturn link;\n}\n\nfunction addAttrs (el, attrs) {\n\tObject.keys(attrs).forEach(function (key) {\n\t\tel.setAttribute(key, attrs[key]);\n\t});\n}\n\nfunction addStyle (obj, options) {\n\tvar style, update, remove, result;\n\n\t// If a transform function was defined, run it on the css\n\tif (options.transform && obj.css) {\n\t    result = options.transform(obj.css);\n\n\t    if (result) {\n\t    \t// If transform returns a value, use that instead of the original css.\n\t    \t// This allows running runtime transformations on the css.\n\t    \tobj.css = result;\n\t    } else {\n\t    \t// If the transform function returns a falsy value, don't add this css.\n\t    \t// This allows conditional loading of css\n\t    \treturn function() {\n\t    \t\t// noop\n\t    \t};\n\t    }\n\t}\n\n\tif (options.singleton) {\n\t\tvar styleIndex = singletonCounter++;\n\n\t\tstyle = singleton || (singleton = createStyleElement(options));\n\n\t\tupdate = applyToSingletonTag.bind(null, style, styleIndex, false);\n\t\tremove = applyToSingletonTag.bind(null, style, styleIndex, true);\n\n\t} else if (\n\t\tobj.sourceMap &&\n\t\ttypeof URL === \"function\" &&\n\t\ttypeof URL.createObjectURL === \"function\" &&\n\t\ttypeof URL.revokeObjectURL === \"function\" &&\n\t\ttypeof Blob === \"function\" &&\n\t\ttypeof btoa === \"function\"\n\t) {\n\t\tstyle = createLinkElement(options);\n\t\tupdate = updateLink.bind(null, style, options);\n\t\tremove = function () {\n\t\t\tremoveStyleElement(style);\n\n\t\t\tif(style.href) URL.revokeObjectURL(style.href);\n\t\t};\n\t} else {\n\t\tstyle = createStyleElement(options);\n\t\tupdate = applyToTag.bind(null, style);\n\t\tremove = function () {\n\t\t\tremoveStyleElement(style);\n\t\t};\n\t}\n\n\tupdate(obj);\n\n\treturn function updateStyle (newObj) {\n\t\tif (newObj) {\n\t\t\tif (\n\t\t\t\tnewObj.css === obj.css &&\n\t\t\t\tnewObj.media === obj.media &&\n\t\t\t\tnewObj.sourceMap === obj.sourceMap\n\t\t\t) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tupdate(obj = newObj);\n\t\t} else {\n\t\t\tremove();\n\t\t}\n\t};\n}\n\nvar replaceText = (function () {\n\tvar textStore = [];\n\n\treturn function (index, replacement) {\n\t\ttextStore[index] = replacement;\n\n\t\treturn textStore.filter(Boolean).join('\\n');\n\t};\n})();\n\nfunction applyToSingletonTag (style, index, remove, obj) {\n\tvar css = remove ? \"\" : obj.css;\n\n\tif (style.styleSheet) {\n\t\tstyle.styleSheet.cssText = replaceText(index, css);\n\t} else {\n\t\tvar cssNode = document.createTextNode(css);\n\t\tvar childNodes = style.childNodes;\n\n\t\tif (childNodes[index]) style.removeChild(childNodes[index]);\n\n\t\tif (childNodes.length) {\n\t\t\tstyle.insertBefore(cssNode, childNodes[index]);\n\t\t} else {\n\t\t\tstyle.appendChild(cssNode);\n\t\t}\n\t}\n}\n\nfunction applyToTag (style, obj) {\n\tvar css = obj.css;\n\tvar media = obj.media;\n\n\tif(media) {\n\t\tstyle.setAttribute(\"media\", media)\n\t}\n\n\tif(style.styleSheet) {\n\t\tstyle.styleSheet.cssText = css;\n\t} else {\n\t\twhile(style.firstChild) {\n\t\t\tstyle.removeChild(style.firstChild);\n\t\t}\n\n\t\tstyle.appendChild(document.createTextNode(css));\n\t}\n}\n\nfunction updateLink (link, options, obj) {\n\tvar css = obj.css;\n\tvar sourceMap = obj.sourceMap;\n\n\t/*\n\t\tIf convertToAbsoluteUrls isn't defined, but sourcemaps are enabled\n\t\tand there is no publicPath defined then lets turn convertToAbsoluteUrls\n\t\ton by default.  Otherwise default to the convertToAbsoluteUrls option\n\t\tdirectly\n\t*/\n\tvar autoFixUrls = options.convertToAbsoluteUrls === undefined && sourceMap;\n\n\tif (options.convertToAbsoluteUrls || autoFixUrls) {\n\t\tcss = fixUrls(css);\n\t}\n\n\tif (sourceMap) {\n\t\t// http://stackoverflow.com/a/26603875\n\t\tcss += \"\\n/*# sourceMappingURL=data:application/json;base64,\" + btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap)))) + \" */\";\n\t}\n\n\tvar blob = new Blob([css], { type: \"text/css\" });\n\n\tvar oldSrc = link.href;\n\n\tlink.href = URL.createObjectURL(blob);\n\n\tif(oldSrc) URL.revokeObjectURL(oldSrc);\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/style-loader/lib/addStyles.js\n// module id = 11\n// module chunks = 0","\n/**\n * When source maps are enabled, `style-loader` uses a link element with a data-uri to\n * embed the css on the page. This breaks all relative urls because now they are relative to a\n * bundle instead of the current page.\n *\n * One solution is to only use full urls, but that may be impossible.\n *\n * Instead, this function \"fixes\" the relative urls to be absolute according to the current page location.\n *\n * A rudimentary test suite is located at `test/fixUrls.js` and can be run via the `npm test` command.\n *\n */\n\nmodule.exports = function (css) {\n  // get current location\n  var location = typeof window !== \"undefined\" && window.location;\n\n  if (!location) {\n    throw new Error(\"fixUrls requires window.location\");\n  }\n\n\t// blank or null?\n\tif (!css || typeof css !== \"string\") {\n\t  return css;\n  }\n\n  var baseUrl = location.protocol + \"//\" + location.host;\n  var currentDir = baseUrl + location.pathname.replace(/\\/[^\\/]*$/, \"/\");\n\n\t// convert each url(...)\n\t/*\n\tThis regular expression is just a way to recursively match brackets within\n\ta string.\n\n\t /url\\s*\\(  = Match on the word \"url\" with any whitespace after it and then a parens\n\t   (  = Start a capturing group\n\t     (?:  = Start a non-capturing group\n\t         [^)(]  = Match anything that isn't a parentheses\n\t         |  = OR\n\t         \\(  = Match a start parentheses\n\t             (?:  = Start another non-capturing groups\n\t                 [^)(]+  = Match anything that isn't a parentheses\n\t                 |  = OR\n\t                 \\(  = Match a start parentheses\n\t                     [^)(]*  = Match anything that isn't a parentheses\n\t                 \\)  = Match a end parentheses\n\t             )  = End Group\n              *\\) = Match anything and then a close parens\n          )  = Close non-capturing group\n          *  = Match anything\n       )  = Close capturing group\n\t \\)  = Match a close parens\n\n\t /gi  = Get all matches, not the first.  Be case insensitive.\n\t */\n\tvar fixedCss = css.replace(/url\\s*\\(((?:[^)(]|\\((?:[^)(]+|\\([^)(]*\\))*\\))*)\\)/gi, function(fullMatch, origUrl) {\n\t\t// strip quotes (if they exist)\n\t\tvar unquotedOrigUrl = origUrl\n\t\t\t.trim()\n\t\t\t.replace(/^\"(.*)\"$/, function(o, $1){ return $1; })\n\t\t\t.replace(/^'(.*)'$/, function(o, $1){ return $1; });\n\n\t\t// already a full url? no change\n\t\tif (/^(#|data:|http:\\/\\/|https:\\/\\/|file:\\/\\/\\/)/i.test(unquotedOrigUrl)) {\n\t\t  return fullMatch;\n\t\t}\n\n\t\t// convert the url to a full url\n\t\tvar newUrl;\n\n\t\tif (unquotedOrigUrl.indexOf(\"//\") === 0) {\n\t\t  \t//TODO: should we add protocol?\n\t\t\tnewUrl = unquotedOrigUrl;\n\t\t} else if (unquotedOrigUrl.indexOf(\"/\") === 0) {\n\t\t\t// path should be relative to the base url\n\t\t\tnewUrl = baseUrl + unquotedOrigUrl; // already starts with '/'\n\t\t} else {\n\t\t\t// path should be relative to current directory\n\t\t\tnewUrl = currentDir + unquotedOrigUrl.replace(/^\\.\\//, \"\"); // Strip leading './'\n\t\t}\n\n\t\t// send back the fixed url(...)\n\t\treturn \"url(\" + JSON.stringify(newUrl) + \")\";\n\t});\n\n\t// send back the fixed css\n\treturn fixedCss;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/style-loader/lib/urls.js\n// module id = 12\n// module chunks = 0","module.exports = {\"name\":\"frappe-datatable\",\"version\":\"0.0.1\",\"description\":\"A modern datatable library for the web\",\"main\":\"lib/frappe-datatable.js\",\"scripts\":{\"build\":\"webpack --env build\",\"dev\":\"webpack --progress --colors --watch --env dev\",\"test\":\"mocha --compilers js:babel-core/register --colors ./test/*.spec.js\",\"test:watch\":\"mocha --compilers js:babel-core/register --colors -w ./test/*.spec.js\"},\"devDependencies\":{\"babel-cli\":\"6.24.1\",\"babel-core\":\"6.24.1\",\"babel-eslint\":\"7.2.3\",\"babel-loader\":\"7.0.0\",\"babel-plugin-add-module-exports\":\"0.2.1\",\"babel-preset-es2015\":\"6.24.1\",\"chai\":\"3.5.0\",\"css-loader\":\"^0.28.7\",\"eslint\":\"3.19.0\",\"eslint-loader\":\"1.7.1\",\"mocha\":\"3.3.0\",\"node-sass\":\"^4.5.3\",\"sass-loader\":\"^6.0.6\",\"style-loader\":\"^0.18.2\",\"webpack\":\"^3.1.0\",\"yargs\":\"7.1.0\"},\"repository\":{\"type\":\"git\",\"url\":\"https://github.com/frappe/datatable.git\"},\"keywords\":[\"webpack\",\"es6\",\"starter\",\"library\",\"universal\",\"umd\",\"commonjs\"],\"author\":\"Faris Ansari\",\"license\":\"MIT\",\"bugs\":{\"url\":\"https://github.com/frappe/datatable/issues\"},\"homepage\":\"https://frappe.github.io/datatable\",\"dependencies\":{\"bootstrap\":\"^4.0.0-beta\",\"popper.js\":\"^1.12.5\"}}\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./package.json\n// module id = 13\n// module chunks = 0","import $ from './dom';\nimport { getDefault, getHeaderHTML } from './utils';\n\nexport default class ColumnManager {\n  constructor(instance) {\n    this.instance = instance;\n    this.options = this.instance.options;\n    this.header = this.instance.header;\n    this.datamanager = this.instance.datamanager;\n    this.style = this.instance.style;\n    this.wrapper = this.instance.wrapper;\n    this.rowmanager = this.instance.rowmanager;\n\n    this.bindEvents();\n  }\n\n  renderHeader() {\n    const columns = this.datamanager.getColumns();\n\n    this.header.innerHTML = getHeaderHTML(columns);\n  }\n\n  bindEvents() {\n    this.bindResizeColumn();\n    this.bindSortColumn();\n  }\n\n  bindResizeColumn() {\n    let isDragging = false;\n    let $currCell, startWidth, startX;\n\n    $.on(this.header, 'mousedown', '.data-table-col', (e, $cell) => {\n      $currCell = $cell;\n      const { colIndex } = $.data($currCell);\n      const col = this.getColumn(colIndex);\n\n      if (col && col.resizable === false) {\n        return;\n      }\n\n      isDragging = true;\n      startWidth = $.style($('.content', $currCell), 'width');\n      startX = e.pageX;\n    });\n\n    $.on(document.body, 'mouseup', (e) => {\n      if (!$currCell) return;\n      isDragging = false;\n\n      const { colIndex } = $.data($currCell);\n      const width = $.style($('.content', $currCell), 'width');\n\n      this.setColumnWidth(colIndex, width);\n      this.instance.setBodyWidth();\n      $currCell = null;\n    });\n\n    $.on(document.body, 'mousemove', (e) => {\n      if (!isDragging) return;\n      const finalWidth = startWidth + (e.pageX - startX);\n      const { colIndex } = $.data($currCell);\n\n      if (this.getColumnMinWidth(colIndex) > finalWidth) {\n        // don't resize past minWidth\n        return;\n      }\n\n      this.setColumnHeaderWidth(colIndex, finalWidth);\n    });\n  }\n\n  bindSortColumn() {\n\n    $.on(this.header, 'click', '.data-table-col .content span', (e, span) => {\n      const $cell = span.closest('.data-table-col');\n      let { colIndex, sortOrder } = $.data($cell);\n      sortOrder = getDefault(sortOrder, 'none');\n      const col = this.getColumn(colIndex);\n\n      if (col && col.sortable === false) {\n        return;\n      }\n\n      // reset sort indicator\n      $('.sort-indicator', this.header).textContent = '';\n      $.each('.data-table-col', this.header).map($cell => {\n        $.data($cell, {\n          sortOrder: 'none'\n        });\n      });\n\n      let nextSortOrder, textContent;\n      if (sortOrder === 'none') {\n        nextSortOrder = 'asc';\n        textContent = '▲';\n      } else if (sortOrder === 'asc') {\n        nextSortOrder = 'desc';\n        textContent = '▼';\n      } else if (sortOrder === 'desc') {\n        nextSortOrder = 'none';\n        textContent = '';\n      }\n\n      $.data($cell, {\n        sortOrder: nextSortOrder\n      });\n      $('.sort-indicator', $cell).textContent = textContent;\n\n      if (this.events && this.events.onSort) {\n        this.events.onSort(colIndex, nextSortOrder);\n      } else {\n        this.sortRows(colIndex, nextSortOrder);\n        this.rowmanager.refreshRows();\n      }\n    });\n  }\n\n  setDimensions() {\n    this.setHeaderStyle();\n    this.setupMinWidth();\n    this.setNaturalColumnWidth();\n    this.distributeRemainingWidth();\n    this.setColumnAlignments();\n  }\n\n  setHeaderStyle() {\n    if (!this.options.takeAvailableSpace) {\n      // setting width as 0 will ensure that the\n      // header doesn't take the available space\n      $.style(this.header, {\n        width: 0\n      });\n    }\n\n    $.style(this.header, {\n      margin: 0\n    });\n  }\n\n  setupMinWidth() {\n    // cache minWidth for each column\n    this.minWidthMap = getDefault(this.minWidthMap, []);\n\n    $.each('.data-table-col', this.header).map(col => {\n      const width = $.style($('.content', col), 'width');\n      const { colIndex } = $.data(col);\n\n      if (!this.minWidthMap[colIndex]) {\n        // only set this once\n        this.minWidthMap[colIndex] = width;\n      }\n    });\n  }\n\n  setNaturalColumnWidth() {\n    // set initial width as naturally calculated by table's first row\n    $.each('.data-table-row[data-row-index=\"0\"] .data-table-col', this.bodyScrollable).map($cell => {\n\n      let width = $.style($('.content', $cell), 'width');\n      const height = $.style($('.content', $cell), 'height');\n      const { colIndex } = $.data($cell);\n      const minWidth = this.getColumnMinWidth(colIndex);\n\n      if (width < minWidth) {\n        width = minWidth;\n      }\n      this.setColumnWidth(colIndex, width);\n      this.setDefaultCellHeight(height);\n    });\n  }\n\n  distributeRemainingWidth() {\n    if (!this.options.takeAvailableSpace) return;\n\n    const wrapperWidth = $.style(this.instance.datatableWrapper, 'width');\n    const headerWidth = $.style(this.header, 'width');\n\n    if (headerWidth >= wrapperWidth) {\n      // don't resize, horizontal scroll takes place\n      return;\n    }\n\n    const deltaWidth = (wrapperWidth - headerWidth) / this.datamanager.getColumnCount(true);\n\n    this.datamanager.getColumns(true).map(col => {\n      const width = $.style(this.getColumnHeaderElement(col.colIndex), 'width');\n      let finalWidth = Math.min(width + deltaWidth) - 2;\n\n      this.setColumnHeaderWidth(col.colIndex, finalWidth);\n      this.setColumnWidth(col.colIndex, finalWidth);\n    });\n    this.instance.setBodyWidth();\n  }\n\n  setDefaultCellHeight(height) {\n    this.style.setStyle('.data-table-col .content', {\n      height: height + 'px'\n    });\n  }\n\n  setColumnAlignments() {\n    // align columns\n    this.getColumns()\n      .map(column => {\n        if (column.align && ['left', 'center', 'right'].includes(column.align)) {\n          this.style.setStyle(`.data-table [data-col-index=\"${column.colIndex}\"]`, {\n            'text-align': column.align\n          });\n        }\n      });\n  }\n\n  sortRows(colIndex, sortOrder) {\n    this.datamanager.sortRows(colIndex, sortOrder);\n  }\n\n  getColumn(colIndex) {\n    return this.datamanager.getColumn(colIndex);\n  }\n\n  getColumns() {\n    return this.datamanager.getColumns();\n  }\n\n  setColumnWidth(colIndex, width) {\n    const selector = `[data-col-index=\"${colIndex}\"] .content, [data-col-index=\"${colIndex}\"] .edit-cell`;\n\n    this.style.setStyle(selector, {\n      width: width + 'px'\n    });\n  }\n\n  setColumnHeaderWidth(colIndex, width) {\n    this.style.setStyle(`[data-col-index=\"${colIndex}\"][data-is-header] .content`, {\n      width: width + 'px'\n    });\n  }\n\n  getColumnMinWidth(colIndex) {\n    colIndex = +colIndex;\n    return this.minWidthMap && this.minWidthMap[colIndex];\n  }\n\n  getFirstColumnIndex() {\n    if (this.options.addCheckboxColumn && this.options.addSerialNoColumn) {\n      return 2;\n    }\n\n    if (this.options.addCheckboxColumn || this.options.addSerialNoColumn) {\n      return 1;\n    }\n\n    return 0;\n  }\n\n  getLastColumnIndex() {\n    return this.datamanager.getColumnCount() - 1;\n  }\n\n  getColumnHeaderElement(colIndex) {\n    colIndex = +colIndex;\n    if (colIndex < 0) return null;\n    return $(`.data-table-col[data-is-header][data-col-index=\"${colIndex}\"]`, this.wrapper);\n  }\n\n  getSerialColumnIndex() {\n    const columns = this.datamanager.getColumns();\n\n    return columns.findIndex(column => column.content.includes('Sr. No'));\n  }\n}\n\n\n\n// WEBPACK FOOTER //\n// ./src/columnmanager.js","import $ from './dom';\n\nexport default class RowManager {\n  constructor(instance) {\n    this.instance = instance;\n    this.options = this.instance.options;\n    this.wrapper = this.instance.wrapper;\n    this.datamanager = this.instance.datamanager;\n\n    this.bindEvents();\n  }\n\n  bindEvents() {\n    this.bindCheckbox();\n  }\n\n  bindCheckbox() {\n    if (!this.options.addCheckboxColumn) return;\n\n    // map of checked rows\n    this.checkMap = [];\n\n    $.on(this.wrapper, 'click', '.data-table-col[data-col-index=\"0\"] [type=\"checkbox\"]', (e, $checkbox) => {\n      const $cell = $checkbox.closest('.data-table-col');\n      const { rowIndex, isHeader } = $.data($cell);\n      const checked = $checkbox.checked;\n\n      if (isHeader) {\n        this.checkAll(checked);\n      } else {\n        this.checkRow(rowIndex, checked);\n      }\n    });\n  }\n\n  refreshRows() {\n    this.instance.renderBody();\n    this.instance.setDimensions();\n  }\n\n  getCheckedRows() {\n    return this.checkMap\n      .map((c, rowIndex) => {\n        if (c) {\n          return rowIndex;\n        }\n        return null;\n      })\n      .filter(c => {\n        return c !== null || c !== undefined;\n      });\n  }\n\n  highlightCheckedRows() {\n    this.getCheckedRows()\n      .map(rowIndex => this.checkRow(rowIndex, true));\n  }\n\n  checkRow(rowIndex, toggle) {\n    const value = toggle ? 1 : 0;\n\n    // update internal map\n    this.checkMap[rowIndex] = value;\n    // set checkbox value explicitly\n    $.each(`.data-table-col[data-row-index=\"${rowIndex}\"][data-col-index=\"0\"] [type=\"checkbox\"]`, this.bodyScrollable)\n      .map(input => {\n        input.checked = toggle;\n      });\n    // highlight row\n    this.highlightRow(rowIndex, toggle);\n  }\n\n  checkAll(toggle) {\n    const value = toggle ? 1 : 0;\n\n    // update internal map\n    if (toggle) {\n      this.checkMap = Array.from(Array(this.getTotalRows())).map(c => value);\n    } else {\n      this.checkMap = [];\n    }\n    // set checkbox value\n    $.each('.data-table-col[data-col-index=\"0\"] [type=\"checkbox\"]', this.bodyScrollable)\n      .map(input => {\n        input.checked = toggle;\n      });\n    // highlight all\n    this.highlightAll(toggle);\n  }\n\n  highlightRow(rowIndex, toggle = true) {\n    const $row = $(`.data-table-row[data-row-index=\"${rowIndex}\"]`, this.bodyScrollable);\n\n    if (toggle) {\n      $row.classList.add('row-highlight');\n    } else {\n      $row.classList.remove('row-highlight');\n    }\n  }\n\n  highlightAll(toggle = true) {\n    if (toggle) {\n      this.bodyScrollable.classList.add('row-highlight-all');\n    } else {\n      this.bodyScrollable.classList.remove('row-highlight-all');\n    }\n  }\n\n  getTotalRows() {\n    return this.datamanager.getRowCount();\n  }\n\n  getFirstRowIndex() {\n    return 0;\n  }\n\n  getLastRowIndex() {\n    return this.datamanager.getRowCount() - 1;\n  }\n}\n\n\n\n// WEBPACK FOOTER //\n// ./src/rowmanager.js"],"sourceRoot":""}
\ No newline at end of file
diff --git a/src/cellmanager.js b/src/cellmanager.js
index 67bf80e..ea43071 100644
--- a/src/cellmanager.js
+++ b/src/cellmanager.js
@@ -1,45 +1,37 @@
 import { getCellContent, copyTextToClipboard } from './utils';
 import keyboard from 'keyboard';
+import $ from './dom';
 
 export default class CellManager {
   constructor(instance) {
     this.instance = instance;
+    this.wrapper = this.instance.wrapper;
     this.options = this.instance.options;
+    this.style = this.instance.style;
     this.bodyScrollable = this.instance.bodyScrollable;
+    this.columnmanager = this.instance.columnmanager;
+    this.rowmanager = this.instance.rowmanager;
 
-    this.prepare();
     this.bindEvents();
   }
 
-  prepare() {
-    this.$borderOutline = this.instance.$borders.find('.border-outline');
-    this.$borderBg = this.instance.$borders.find('.border-background');
-  }
-
   bindEvents() {
     this.bindFocusCell();
     this.bindEditCell();
-    this.bindKeyboardNav();
     this.bindKeyboardSelection();
     this.bindCopyCellContents();
     this.bindMouseEvents();
   }
 
   bindFocusCell() {
-    const bodyScrollable = this.instance.bodyScrollable;
-
-    this.$focusedCell = null;
-    bodyScrollable.on('click', '.data-table-col', (e) => {
-      this.focusCell($(e.currentTarget));
-    });
+    this.bindKeyboardNav();
   }
 
   bindEditCell() {
-    const self = this;
-
     this.$editingCell = null;
-    this.bodyScrollable.on('dblclick', '.data-table-col', function () {
-      self.activateEditing($(this));
+
+    $.on(this.bodyScrollable, 'dblclick', '.data-table-col', (e, cell) => {
+      this.activateEditing(cell);
     });
 
     keyboard.on('enter', (e) => {
@@ -53,8 +45,8 @@ export default class CellManager {
       }
     });
 
-    $(document.body).on('click', e => {
-      if ($(e.target).is('.edit-cell, .edit-cell *')) return;
+    $.on(document.body, 'click', e => {
+      if (e.target.matches('.edit-cell, .edit-cell *')) return;
       this.deactivateEditing();
     });
   }
@@ -87,7 +79,7 @@ export default class CellManager {
       }
 
       let $cell = this.$focusedCell;
-      const { rowIndex, colIndex } = this.getCellAttr($cell);
+      const { rowIndex, colIndex } = $.data($cell);
 
       if (direction === 'left') {
         $cell = this.getLeftMostCell$(rowIndex);
@@ -107,7 +99,7 @@ export default class CellManager {
       if (!this.$focusedCell) return false;
 
       if (!this.inViewport(this.$focusedCell)) {
-        const { rowIndex } = this.getCellAttr(this.$focusedCell);
+        const { rowIndex } = $.data(this.$focusedCell);
 
         this.scrollToRow(rowIndex - this.getRowCountPerPage() + 2);
         return true;
@@ -165,27 +157,27 @@ export default class CellManager {
   bindMouseEvents() {
     let mouseDown = null;
 
-    this.bodyScrollable.on('mousedown', '.data-table-col', (e) => {
+    $.on(this.bodyScrollable, 'mousedown', '.data-table-col', (e) => {
       mouseDown = true;
-      this.focusCell($(e.currentTarget));
+      this.focusCell($(e.delegatedTarget));
     });
 
-    this.bodyScrollable.on('mouseup', () => {
+    $.on(this.bodyScrollable, 'mouseup', () => {
       mouseDown = false;
     });
 
-    this.bodyScrollable.on('mousemove', '.data-table-col', (e) => {
+    $.on(this.bodyScrollable, 'mousemove', '.data-table-col', (e) => {
       if (!mouseDown) return;
-      this.selectArea($(e.currentTarget));
+      this.selectArea($(e.delegatedTarget));
     });
   }
 
   focusCell($cell) {
-    if (!$cell.length) return;
+    if (!$cell) return;
 
-    const { colIndex } = this.getCellAttr($cell);
+    const { colIndex, isHeader } = $.data($cell);
 
-    if (this.isStandardCell(colIndex)) {
+    if (this.isStandardCell(colIndex) || isHeader) {
       return;
     }
 
@@ -197,38 +189,33 @@ export default class CellManager {
     }
 
     if (this.$focusedCell) {
-      this.$focusedCell.removeClass('selected');
+      this.$focusedCell.classList.remove('selected');
     }
 
     this.$focusedCell = $cell;
-    $cell.addClass('selected');
+    $cell.classList.add('selected');
 
     this.highlightRowColumnHeader($cell);
   }
 
   highlightRowColumnHeader($cell) {
-    const { colIndex, rowIndex } = this.getCellAttr($cell);
-    const _colIndex = this.instance.getSerialColumnIndex();
+    const { colIndex, rowIndex } = $.data($cell);
+    const _colIndex = this.columnmanager.getSerialColumnIndex();
     const colHeaderSelector = `.data-table-header .data-table-col[data-col-index="${colIndex}"]`;
     const rowHeaderSelector = `.data-table-col[data-row-index="${rowIndex}"][data-col-index="${_colIndex}"]`;
 
-    if (this.lastSelectors) {
-      this.instance.removeStyle(this.lastSelectors.colHeaderSelector);
-      this.instance.removeStyle(this.lastSelectors.rowHeaderSelector);
+    if (this.lastHeaders) {
+      $.removeStyle(this.lastHeaders, 'backgroundColor');
     }
 
-    this.instance.setStyle(colHeaderSelector, {
-      'background-color': 'var(--light-bg)'
+    const colHeader = $(colHeaderSelector, this.wrapper);
+    const rowHeader = $(rowHeaderSelector, this.wrapper);
+
+    $.style([colHeader, rowHeader], {
+      backgroundColor: 'var(--light-bg)'
     });
 
-    this.instance.setStyle(rowHeaderSelector, {
-      'background-color': 'var(--light-bg)'
-    });
-
-    this.lastSelectors = {
-      colHeaderSelector,
-      rowHeaderSelector
-    };
+    this.lastHeaders = [colHeader, rowHeader];
   }
 
   selectArea($selectionCursor) {
@@ -241,13 +228,13 @@ export default class CellManager {
   };
 
   _selectArea($cell1, $cell2) {
-    const cells = this.getCellsInRange(...arguments);
+    if ($cell1 === $cell2) return false;
 
+    const cells = this.getCellsInRange($cell1, $cell2);
     if (!cells) return false;
-    this.clearSelection();
-    const $cells = cells.map(([c, r]) => this.getCell$(r, c)[0]);
 
-    $($cells).addClass('highlight');
+    this.clearSelection();
+    cells.map(index => this.getCell$(...index)).map($cell => $cell.classList.add('highlight'));
     return true;
   }
 
@@ -259,12 +246,12 @@ export default class CellManager {
     } else
     if (typeof $cell1 === 'object') {
 
-      if (!($cell1.length && $cell2.length)) {
+      if (!($cell1 && $cell2)) {
         return false;
       }
 
-      const cell1 = this.getCellAttr($cell1);
-      const cell2 = this.getCellAttr($cell2);
+      const cell1 = $.data($cell1);
+      const cell2 = $.data($cell2);
 
       colIndex1 = cell1.colIndex;
       rowIndex1 = cell1.rowIndex;
@@ -306,7 +293,9 @@ export default class CellManager {
   }
 
   clearSelection() {
-    this.bodyScrollable.find('.data-table-col.highlight').removeClass('highlight');
+    $.each('.data-table-col.highlight', this.bodyScrollable)
+      .map(cell => cell.classList.remove('highlight'));
+
     this.$selectionCursor = null;
   }
 
@@ -315,15 +304,15 @@ export default class CellManager {
   }
 
   activateEditing($cell) {
-    const { rowIndex, colIndex } = this.getCellAttr($cell);
-    const col = this.instance.getColumn(colIndex);
+    const { rowIndex, colIndex } = $.data($cell);
+    const col = this.instance.columnmanager.getColumn(colIndex);
 
     if (col && col.editable === false) {
       return;
     }
 
     if (this.$editingCell) {
-      const { _rowIndex, _colIndex } = this.getCellAttr(this.$editingCell);
+      const { _rowIndex, _colIndex } = $.data(this.$editingCell);
 
       if (rowIndex === _rowIndex && colIndex === _colIndex) {
         // editing the same cell
@@ -332,9 +321,11 @@ export default class CellManager {
     }
 
     this.$editingCell = $cell;
-    $cell.addClass('editing');
+    $cell.classList.add('editing');
+
+    const $editCell = $('.edit-cell', $cell);
+    $editCell.innerHTML = '';
 
-    const $editCell = $cell.find('.edit-cell').empty();
     const cell = this.getCell(colIndex, rowIndex);
     const editing = this.getEditingObject(colIndex, rowIndex, cell.content, $editCell);
 
@@ -347,7 +338,7 @@ export default class CellManager {
 
   deactivateEditing() {
     if (!this.$editingCell) return;
-    this.$editingCell.removeClass('editing');
+    this.$editingCell.classList.remove('editing');
     this.$editingCell = null;
   }
 
@@ -357,26 +348,27 @@ export default class CellManager {
     }
 
     // editing fallback
-    const $input = $('<input type="text" />');
-
-    parent.append($input);
+    const $input = $.create('input', {
+      type: 'text',
+      inside: parent
+    });
 
     return {
       initValue(value) {
         $input.focus();
-        return $input.val(value);
+        $input.value = value;
       },
       getValue() {
-        return $input.val();
+        return $input.value;
       },
       setValue(value) {
-        return $input.val(value);
+        $input.value = value;
       }
     };
   }
 
   submitEditing($cell) {
-    const { rowIndex, colIndex } = this.getCellAttr($cell);
+    const { rowIndex, colIndex } = $.data($cell);
 
     if ($cell) {
       const editing = this.currentCellEditing;
@@ -400,7 +392,7 @@ export default class CellManager {
   }
 
   copyCellContents($cell1, $cell2) {
-    const cells = this.getCellsInRange(...arguments);
+    const cells = this.getCellsInRange($cell1, $cell2);
 
     if (!cells) return;
 
@@ -433,56 +425,56 @@ export default class CellManager {
 
   refreshCell(cell) {
     const selector = `.data-table-col[data-row-index="${cell.rowIndex}"][data-col-index="${cell.colIndex}"]`;
-    const $cell = this.bodyScrollable.find(selector);
+    const $cell = $(selector, this.bodyScrollable);
 
-    $cell.html(getCellContent(cell));
+    $cell.innerHTML = getCellContent(cell);
   }
 
   isStandardCell(colIndex) {
     // Standard cells are in Sr. No and Checkbox column
-    return colIndex < this.instance.getFirstColumnIndex();
+    return colIndex < this.columnmanager.getFirstColumnIndex();
   }
 
-  getCell$(rowIndex, colIndex) {
-    return this.bodyScrollable.find(`.data-table-col[data-row-index="${rowIndex}"][data-col-index="${colIndex}"]`);
+  getCell$(colIndex, rowIndex) {
+    return $(`.data-table-col[data-row-index="${rowIndex}"][data-col-index="${colIndex}"]`, this.bodyScrollable);
   }
 
   getAboveCell$($cell) {
-    const { colIndex } = this.getCellAttr($cell);
-    const $aboveRow = $cell.parent().prev();
+    const { colIndex } = $.data($cell);
+    const $aboveRow = $cell.parentElement.previousElementSibling;
 
-    return $aboveRow.find(`[data-col-index="${colIndex}"]`);
+    return $(`[data-col-index="${colIndex}"]`, $aboveRow);
   }
 
   getBelowCell$($cell) {
-    const { colIndex } = this.getCellAttr($cell);
-    const $belowRow = $cell.parent().next();
+    const { colIndex } = $.data($cell);
+    const $belowRow = $cell.parentElement.nextElementSibling;
 
-    return $belowRow.find(`[data-col-index="${colIndex}"]`);
+    return $(`[data-col-index="${colIndex}"]`, $belowRow);
   }
 
   getLeftCell$($cell) {
-    return $cell.prev();
+    return $cell.previousElementSibling;
   }
 
   getRightCell$($cell) {
-    return $cell.next();
+    return $cell.nextElementSibling;
   }
 
   getLeftMostCell$(rowIndex) {
-    return this.getCell$(rowIndex, this.instance.getFirstColumnIndex());
+    return this.getCell$(rowIndex, this.columnmanager.getFirstColumnIndex());
   }
 
   getRightMostCell$(rowIndex) {
-    return this.getCell$(rowIndex, this.instance.getLastColumnIndex());
+    return this.getCell$(rowIndex, this.columnmanager.getLastColumnIndex());
   }
 
   getTopMostCell$(colIndex) {
-    return this.getCell$(0, colIndex);
+    return this.getCell$(this.rowmanager.getFirstRowIndex(), colIndex);
   }
 
   getBottomMostCell$(colIndex) {
-    return this.getCell$(this.instance.getLastRowIndex(), colIndex);
+    return this.getCell$(this.rowmanager.getLastRowIndex(), colIndex);
   }
 
   getCell(colIndex, rowIndex) {
@@ -490,20 +482,20 @@ export default class CellManager {
   }
 
   getCellAttr($cell) {
-    return $cell.data();
+    return this.instance.getCellAttr($cell);
   }
 
   getRowHeight() {
-    return this.bodyScrollable.find('.data-table-row:first').height();
+    return $.style($('.data-table-row', this.bodyScrollable), 'height');
   }
 
   inViewport($cell) {
-    let colIndex, rowIndex;
+    let colIndex, rowIndex; // eslint-disable-line
 
     if (typeof $cell === 'number') {
       [colIndex, rowIndex] = arguments;
     } else {
-      let cell = this.getCellAttr($cell);
+      let cell = $.data($cell);
 
       colIndex = cell.colIndex;
       rowIndex = cell.rowIndex;
@@ -513,7 +505,7 @@ export default class CellManager {
     const rowHeight = this.getRowHeight();
     const rowOffset = rowIndex * rowHeight;
 
-    const scrollTopOffset = this.bodyScrollable[0].scrollTop;
+    const scrollTopOffset = this.bodyScrollable.scrollTop;
 
     if (rowOffset - scrollTopOffset + rowHeight < viewportHeight) {
       return true;
@@ -523,7 +515,7 @@ export default class CellManager {
   }
 
   scrollToCell($cell) {
-    const { rowIndex } = this.getCellAttr($cell);
+    const { rowIndex } = $.data($cell);
 
     this.scrollToRow(rowIndex);
   }
@@ -535,7 +527,7 @@ export default class CellManager {
   scrollToRow(rowIndex) {
     const offset = rowIndex * this.getRowHeight();
 
-    this.bodyScrollable[0].scrollTop = offset;
+    this.bodyScrollable.scrollTop = offset;
   }
 }
 
diff --git a/src/columnmanager.js b/src/columnmanager.js
new file mode 100644
index 0000000..c08afe5
--- /dev/null
+++ b/src/columnmanager.js
@@ -0,0 +1,271 @@
+import $ from './dom';
+import { getDefault, getHeaderHTML } from './utils';
+
+export default class ColumnManager {
+  constructor(instance) {
+    this.instance = instance;
+    this.options = this.instance.options;
+    this.header = this.instance.header;
+    this.datamanager = this.instance.datamanager;
+    this.style = this.instance.style;
+    this.wrapper = this.instance.wrapper;
+    this.rowmanager = this.instance.rowmanager;
+
+    this.bindEvents();
+  }
+
+  renderHeader() {
+    const columns = this.datamanager.getColumns();
+
+    this.header.innerHTML = getHeaderHTML(columns);
+  }
+
+  bindEvents() {
+    this.bindResizeColumn();
+    this.bindSortColumn();
+  }
+
+  bindResizeColumn() {
+    let isDragging = false;
+    let $currCell, startWidth, startX;
+
+    $.on(this.header, 'mousedown', '.data-table-col', (e, $cell) => {
+      $currCell = $cell;
+      const { colIndex } = $.data($currCell);
+      const col = this.getColumn(colIndex);
+
+      if (col && col.resizable === false) {
+        return;
+      }
+
+      isDragging = true;
+      startWidth = $.style($('.content', $currCell), 'width');
+      startX = e.pageX;
+    });
+
+    $.on(document.body, 'mouseup', (e) => {
+      if (!$currCell) return;
+      isDragging = false;
+
+      const { colIndex } = $.data($currCell);
+      const width = $.style($('.content', $currCell), 'width');
+
+      this.setColumnWidth(colIndex, width);
+      this.instance.setBodyWidth();
+      $currCell = null;
+    });
+
+    $.on(document.body, 'mousemove', (e) => {
+      if (!isDragging) return;
+      const finalWidth = startWidth + (e.pageX - startX);
+      const { colIndex } = $.data($currCell);
+
+      if (this.getColumnMinWidth(colIndex) > finalWidth) {
+        // don't resize past minWidth
+        return;
+      }
+
+      this.setColumnHeaderWidth(colIndex, finalWidth);
+    });
+  }
+
+  bindSortColumn() {
+
+    $.on(this.header, 'click', '.data-table-col .content span', (e, span) => {
+      const $cell = span.closest('.data-table-col');
+      let { colIndex, sortOrder } = $.data($cell);
+      sortOrder = getDefault(sortOrder, 'none');
+      const col = this.getColumn(colIndex);
+
+      if (col && col.sortable === false) {
+        return;
+      }
+
+      // reset sort indicator
+      $('.sort-indicator', this.header).textContent = '';
+      $.each('.data-table-col', this.header).map($cell => {
+        $.data($cell, {
+          sortOrder: 'none'
+        });
+      });
+
+      let nextSortOrder, textContent;
+      if (sortOrder === 'none') {
+        nextSortOrder = 'asc';
+        textContent = '▲';
+      } else if (sortOrder === 'asc') {
+        nextSortOrder = 'desc';
+        textContent = '▼';
+      } else if (sortOrder === 'desc') {
+        nextSortOrder = 'none';
+        textContent = '';
+      }
+
+      $.data($cell, {
+        sortOrder: nextSortOrder
+      });
+      $('.sort-indicator', $cell).textContent = textContent;
+
+      if (this.events && this.events.onSort) {
+        this.events.onSort(colIndex, nextSortOrder);
+      } else {
+        this.sortRows(colIndex, nextSortOrder);
+        this.rowmanager.refreshRows();
+      }
+    });
+  }
+
+  setDimensions() {
+    this.setHeaderStyle();
+    this.setupMinWidth();
+    this.setNaturalColumnWidth();
+    this.distributeRemainingWidth();
+    this.setColumnAlignments();
+  }
+
+  setHeaderStyle() {
+    if (!this.options.takeAvailableSpace) {
+      // setting width as 0 will ensure that the
+      // header doesn't take the available space
+      $.style(this.header, {
+        width: 0
+      });
+    }
+
+    $.style(this.header, {
+      margin: 0
+    });
+  }
+
+  setupMinWidth() {
+    // cache minWidth for each column
+    this.minWidthMap = getDefault(this.minWidthMap, []);
+
+    $.each('.data-table-col', this.header).map(col => {
+      const width = $.style($('.content', col), 'width');
+      const { colIndex } = $.data(col);
+
+      if (!this.minWidthMap[colIndex]) {
+        // only set this once
+        this.minWidthMap[colIndex] = width;
+      }
+    });
+  }
+
+  setNaturalColumnWidth() {
+    // set initial width as naturally calculated by table's first row
+    $.each('.data-table-row[data-row-index="0"] .data-table-col', this.bodyScrollable).map($cell => {
+
+      let width = $.style($('.content', $cell), 'width');
+      const height = $.style($('.content', $cell), 'height');
+      const { colIndex } = $.data($cell);
+      const minWidth = this.getColumnMinWidth(colIndex);
+
+      if (width < minWidth) {
+        width = minWidth;
+      }
+      this.setColumnWidth(colIndex, width);
+      this.setDefaultCellHeight(height);
+    });
+  }
+
+  distributeRemainingWidth() {
+    if (!this.options.takeAvailableSpace) return;
+
+    const wrapperWidth = $.style(this.instance.datatableWrapper, 'width');
+    const headerWidth = $.style(this.header, 'width');
+
+    if (headerWidth >= wrapperWidth) {
+      // don't resize, horizontal scroll takes place
+      return;
+    }
+
+    const deltaWidth = (wrapperWidth - headerWidth) / this.datamanager.getColumnCount(true);
+
+    this.datamanager.getColumns(true).map(col => {
+      const width = $.style(this.getColumnHeaderElement(col.colIndex), 'width');
+      let finalWidth = Math.min(width + deltaWidth) - 2;
+
+      this.setColumnHeaderWidth(col.colIndex, finalWidth);
+      this.setColumnWidth(col.colIndex, finalWidth);
+    });
+    this.instance.setBodyWidth();
+  }
+
+  setDefaultCellHeight(height) {
+    this.style.setStyle('.data-table-col .content', {
+      height: height + 'px'
+    });
+  }
+
+  setColumnAlignments() {
+    // align columns
+    this.getColumns()
+      .map(column => {
+        if (column.align && ['left', 'center', 'right'].includes(column.align)) {
+          this.style.setStyle(`.data-table [data-col-index="${column.colIndex}"]`, {
+            'text-align': column.align
+          });
+        }
+      });
+  }
+
+  sortRows(colIndex, sortOrder) {
+    this.datamanager.sortRows(colIndex, sortOrder);
+  }
+
+  getColumn(colIndex) {
+    return this.datamanager.getColumn(colIndex);
+  }
+
+  getColumns() {
+    return this.datamanager.getColumns();
+  }
+
+  setColumnWidth(colIndex, width) {
+    const selector = `[data-col-index="${colIndex}"] .content, [data-col-index="${colIndex}"] .edit-cell`;
+
+    this.style.setStyle(selector, {
+      width: width + 'px'
+    });
+  }
+
+  setColumnHeaderWidth(colIndex, width) {
+    this.style.setStyle(`[data-col-index="${colIndex}"][data-is-header] .content`, {
+      width: width + 'px'
+    });
+  }
+
+  getColumnMinWidth(colIndex) {
+    colIndex = +colIndex;
+    return this.minWidthMap && this.minWidthMap[colIndex];
+  }
+
+  getFirstColumnIndex() {
+    if (this.options.addCheckboxColumn && this.options.addSerialNoColumn) {
+      return 2;
+    }
+
+    if (this.options.addCheckboxColumn || this.options.addSerialNoColumn) {
+      return 1;
+    }
+
+    return 0;
+  }
+
+  getLastColumnIndex() {
+    return this.datamanager.getColumnCount() - 1;
+  }
+
+  getColumnHeaderElement(colIndex) {
+    colIndex = +colIndex;
+    if (colIndex < 0) return null;
+    return $(`.data-table-col[data-is-header][data-col-index="${colIndex}"]`, this.wrapper);
+  }
+
+  getSerialColumnIndex() {
+    const columns = this.datamanager.getColumns();
+
+    return columns.findIndex(column => column.content.includes('Sr. No'));
+  }
+}
diff --git a/src/datamanager.js b/src/datamanager.js
index 9b8afcf..0b4c726 100644
--- a/src/datamanager.js
+++ b/src/datamanager.js
@@ -1,3 +1,4 @@
+import { isNumeric } from './utils';
 
 export default class DataManager {
   constructor(options) {
@@ -14,6 +15,8 @@ export default class DataManager {
 
     this.columns = this.prepareColumns(columns);
     this.rows = this.prepareRows(rows);
+
+    this.prepareNumericColumns();
   }
 
   prepareColumns(columns) {
@@ -25,7 +28,8 @@ export default class DataManager {
       const val = {
         content: 'Sr. No',
         editable: false,
-        resizable: false
+        resizable: false,
+        align: 'center'
       };
 
       columns = [val].concat(columns);
@@ -36,7 +40,8 @@ export default class DataManager {
       const val = {
         content: '<input type="checkbox" />',
         editable: false,
-        resizable: false
+        resizable: false,
+        sortable: false
       };
 
       columns = [val].concat(columns);
@@ -59,6 +64,19 @@ export default class DataManager {
     });
   }
 
+  prepareNumericColumns() {
+    const row0 = this.getRow(0);
+    this.columns = this.columns.map((column, i) => {
+
+      const cellValue = row0[i].content;
+      if (!column.align && cellValue && isNumeric(cellValue)) {
+        column.align = 'right';
+      }
+
+      return column;
+    });
+  }
+
   prepareRows(rows) {
     if (!Array.isArray(rows) || !Array.isArray(rows[0])) {
       throw new TypeError('`rows` must be an array of arrays');
@@ -163,12 +181,36 @@ export default class DataManager {
     return this.rows.slice(start, end);
   }
 
-  getColumns() {
-    return this.columns;
+  getColumns(skipStandardColumns) {
+    let columns = this.columns;
+
+    if (skipStandardColumns) {
+      columns = columns.slice(this.getStandardColumnCount());
+    }
+
+    return columns;
   }
 
-  getColumnCount() {
-    return this.columns.length;
+  getStandardColumnCount() {
+    if (this.options.addCheckboxColumn && this.options.addSerialNoColumn) {
+      return 2;
+    }
+
+    if (this.options.addCheckboxColumn || this.options.addSerialNoColumn) {
+      return 1;
+    }
+
+    return 0;
+  }
+
+  getColumnCount(skipStandardColumns) {
+    let val = this.columns.length;
+
+    if (skipStandardColumns) {
+      val = val - this.getStandardColumnCount();
+    }
+
+    return val;
   }
 
   getColumn(colIndex) {
diff --git a/src/datatable.js b/src/datatable.js
index f5c5c0a..fb67281 100644
--- a/src/datatable.js
+++ b/src/datatable.js
@@ -1,15 +1,15 @@
-/* globals $, Clusterize */
 import {
-  getHeaderHTML,
   getBodyHTML,
-  getRowHTML,
-  buildCSSRule,
-  removeCSSRule,
-  getDefault
+  getRowHTML
 } from './utils';
 
+import $ from './dom';
+
 import DataManager from './datamanager';
 import CellManager from './cellmanager';
+import ColumnManager from './columnmanager';
+import RowManager from './rowmanager';
+import Style from './style';
 
 import './style.scss';
 
@@ -24,27 +24,27 @@ const DEFAULT_OPTIONS = {
   addCheckboxColumn: true,
   enableClusterize: true,
   enableLogs: false,
-  takeAvailableSpace: false
+  takeAvailableSpace: true
 };
 
 export default class DataTable {
   constructor(wrapper, options) {
 
-    this.wrapper = $(wrapper);
-    if (this.wrapper.length === 0) {
+    this.wrapper = wrapper;
+    if (!this.wrapper) {
       throw new Error('Invalid argument given for `wrapper`');
     }
 
     this.options = Object.assign({}, DEFAULT_OPTIONS, options);
     // custom user events
     this.events = this.options.events;
-    // map of checked rows
-    this.checkMap = [];
 
-    // make dom, make style, bind events
-    this.make();
+    this.prepare();
 
+    this.style = new Style(this.wrapper);
     this.datamanager = new DataManager(this.options);
+    this.rowmanager = new RowManager(this);
+    this.columnmanager = new ColumnManager(this);
     this.cellmanager = new CellManager(this);
 
     if (this.options.data) {
@@ -52,16 +52,12 @@ export default class DataTable {
     }
   }
 
-  make() {
-    if (this.wrapper.find('.data-table').length === 0) {
-      this.makeDom();
-      this.makeStyle();
-      this.bindEvents();
-    }
+  prepare() {
+    this.prepareDom();
   }
 
-  makeDom() {
-    this.wrapper.html(`
+  prepareDom() {
+    this.wrapper.innerHTML = `
       <div class="data-table">
         <table class="data-table-header">
         </table>
@@ -74,13 +70,11 @@ export default class DataTable {
           <div class="border-background"></div>
         </div>
       </div>
-    `);
+    `;
 
-    this.header = this.wrapper.find('.data-table-header');
-    this.bodyScrollable = this.wrapper.find('.body-scrollable');
-    // this.body = this.wrapper.find('.data-table-body');
-    this.footer = this.wrapper.find('.data-table-footer');
-    this.$borders = this.wrapper.find('.data-table-borders');
+    this.datatableWrapper = $('.data-table', this.wrapper);
+    this.header = $('.data-table-header', this.wrapper);
+    this.bodyScrollable = $('.body-scrollable', this.wrapper);
   }
 
   refresh(data) {
@@ -90,7 +84,7 @@ export default class DataTable {
 
   appendRows(rows) {
     this.datamanager.appendRows(rows);
-    this.render();
+    this.rowmanager.refreshRows();
   }
 
   render() {
@@ -100,9 +94,7 @@ export default class DataTable {
   }
 
   renderHeader() {
-    const columns = this.datamanager.getColumns();
-
-    this.header.html(getHeaderHTML(columns));
+    this.columnmanager.renderHeader();
   }
 
   renderBody() {
@@ -116,22 +108,20 @@ export default class DataTable {
   renderBodyHTML() {
     const rows = this.datamanager.getRows();
 
-    this.bodyScrollable.html(`
-      <table class="data-table-body table table-bordered">
+    this.bodyScrollable.innerHTML = `
+      <table class="data-table-body">
         ${getBodyHTML(rows)}
       </table>
-    `);
+    `;
   }
 
   renderBodyWithClusterize() {
-    const self = this;
-
     // empty body
-    this.bodyScrollable.html(`
-      <table class="data-table-body table table-bordered">
+    this.bodyScrollable.innerHTML = `
+      <table class="data-table-body">
         ${getBodyHTML([])}
       </table>
-    `);
+    `;
 
     this.start = 0;
     this.pageLength = 1000;
@@ -144,11 +134,11 @@ export default class DataTable {
 
     this.clusterize = new Clusterize({
       rows: initialData,
-      scrollElem: this.bodyScrollable.get(0),
-      contentElem: this.bodyScrollable.find('tbody').get(0),
+      scrollElem: this.bodyScrollable,
+      contentElem: $('tbody', this.bodyScrollable),
       callbacks: {
-        clusterChanged() {
-          self.highlightCheckedRows();
+        clusterChanged: () => {
+          this.rowmanager.highlightCheckedRows();
         }
       }
     });
@@ -197,396 +187,33 @@ export default class DataTable {
     return rows.map((row) => getRowHTML(row, { rowIndex: row[0].rowIndex }));
   }
 
-  refreshRows() {
-    this.renderBody();
-    this.setDimensions();
-  }
-
-  bindEvents() {
-    this.bindResizeColumn();
-    this.bindSortColumn();
-    this.bindCheckbox();
-  }
-
   setDimensions() {
-    const self = this;
+    this.columnmanager.setDimensions();
 
-    if (!this.options.takeAvailableSpace) {
-      // setting width as 0 will ensure that the
-      // header doesn't take the available space
-      this.header.css({
-        width: 0
-      });
-    }
+    this.setBodyWidth();
 
-    this.header.css({
+    $.style(this.bodyScrollable, {
+      marginTop: $.style(this.header, 'height') + 'px'
+    });
+
+    $.style($('table', this.bodyScrollable), {
       margin: 0
     });
-
-    // cache minWidth for each column
-    this.minWidthMap = getDefault(this.minWidthMap, []);
-    this.header.find('.data-table-col').each(function () {
-      const col = $(this);
-      const width = parseInt(col.find('.content').css('width'), 10);
-      const colIndex = col.attr('data-col-index');
-
-      if (!self.minWidthMap[colIndex]) {
-        // only set this once
-        self.minWidthMap[colIndex] = width;
-      }
-    });
-
-    // set initial width as naturally calculated by table's first row
-    this.bodyScrollable.find('.data-table-row[data-row-index="0"] .data-table-col').each(function () {
-      const $cell = $(this);
-      let width = parseInt($cell.find('.content').css('width'), 10);
-      const height = parseInt($cell.find('.content').css('height'), 10);
-      const { colIndex } = self.getCellAttr($cell);
-      const minWidth = self.getColumnMinWidth(colIndex);
-
-      if (width < minWidth) {
-        width = minWidth;
-      }
-      self.setColumnWidth(colIndex, width);
-      self.setDefaultCellHeight(height);
-    });
-
-    this.setBodyWidth();
-
-    this.setStyle('.data-table .body-scrollable', {
-      'margin-top': this.header.height() + 'px'
-    });
-
-    // center align Sr. No column
-    if (this.options.addSerialNoColumn) {
-      const index = this.getSerialColumnIndex();
-
-      this.setStyle(`.data-table [data-col-index="${index}"]`, {
-        'text-align': 'center'
-      });
-    }
-
-    this.bodyScrollable.find('.table').css('margin', 0);
-  }
-
-  bindResizeColumn() {
-    const self = this;
-    let isDragging = false;
-    let $currCell, startWidth, startX;
-
-    this.header.on('mousedown', '.data-table-col', function (e) {
-      $currCell = $(this);
-      const colIndex = $currCell.attr('data-col-index');
-      const col = self.getColumn(colIndex);
-
-      if (col && col.resizable === false) {
-        return;
-      }
-
-      isDragging = true;
-      startWidth = $currCell.find('.content').width();
-      startX = e.pageX;
-    });
-
-    $('body').on('mouseup', function (e) {
-      if (!$currCell) return;
-      isDragging = false;
-      const colIndex = $currCell.attr('data-col-index');
-
-      if ($currCell) {
-        const width = parseInt($currCell.find('.content').css('width'), 10);
-
-        self.setColumnWidth(colIndex, width);
-        self.setBodyWidth();
-        $currCell = null;
-      }
-    });
-
-    $('body').on('mousemove', function (e) {
-      if (!isDragging) return;
-      const finalWidth = startWidth + (e.pageX - startX);
-      const colIndex = $currCell.attr('data-col-index');
-
-      if (self.getColumnMinWidth(colIndex) > finalWidth) {
-        // don't resize past minWidth
-        return;
-      }
-
-      self.setColumnHeaderWidth(colIndex, finalWidth);
-    });
-  }
-
-  bindSortColumn() {
-    const self = this;
-
-    this.header.on('click', '.data-table-col .content span', function () {
-      const $cell = $(this).closest('.data-table-col');
-      let sortOrder = getDefault($cell.attr('data-sort-order'), 'none');
-      const colIndex = $cell.attr('data-col-index');
-      const col = self.getColumn(colIndex);
-
-      if (col && col.sortable === false) {
-        return;
-      }
-
-      // reset sort indicator
-      self.header.find('.sort-indicator').text('');
-      self.header.find('.data-table-col').attr('data-sort-order', 'none');
-
-      if (sortOrder === 'none') {
-        $cell.attr('data-sort-order', 'asc');
-        $cell.find('.sort-indicator').text('▲');
-      } else if (sortOrder === 'asc') {
-        $cell.attr('data-sort-order', 'desc');
-        $cell.find('.sort-indicator').text('▼');
-      } else if (sortOrder === 'desc') {
-        $cell.attr('data-sort-order', 'none');
-        $cell.find('.sort-indicator').text('');
-      }
-
-      // sortWith this action
-      sortOrder = $cell.attr('data-sort-order');
-
-      if (self.events && self.events.onSort) {
-        self.events.onSort(colIndex, sortOrder);
-      } else {
-        self.sortRows(colIndex, sortOrder);
-        self.refreshRows();
-      }
-    });
-  }
-
-  sortRows(colIndex, sortOrder) {
-    this.datamanager.sortRows(colIndex, sortOrder);
-  }
-
-  bindCheckbox() {
-    if (!this.options.addCheckboxColumn) return;
-    const self = this;
-
-    this.wrapper.on('click', '.data-table-col[data-col-index="0"] [type="checkbox"]', function () {
-      const $checkbox = $(this);
-      const $cell = $checkbox.closest('.data-table-col');
-      const { rowIndex, isHeader } = self.getCellAttr($cell);
-      const checked = $checkbox.is(':checked');
-
-      if (isHeader) {
-        self.checkAll(checked);
-      } else {
-        self.checkRow(rowIndex, checked);
-      }
-    });
-  }
-
-  getCheckedRows() {
-
-    return this.checkMap
-      .map((c, rowIndex) => {
-        if (c) {
-          return rowIndex;
-        }
-        return null;
-      })
-      .filter(c => {
-        return c !== null || c !== undefined;
-      });
-  }
-
-  highlightCheckedRows() {
-    this.getCheckedRows()
-      .map(rowIndex => this.checkRow(rowIndex, true));
-  }
-
-  checkRow(rowIndex, toggle) {
-    const value = toggle ? 1 : 0;
-
-    // update internal map
-    this.checkMap[rowIndex] = value;
-    // set checkbox value explicitly
-    this.bodyScrollable
-      .find(`.data-table-col[data-row-index="${rowIndex}"][data-col-index="0"] [type="checkbox"]`)
-      .prop('checked', toggle);
-    // highlight row
-    this.highlightRow(rowIndex, toggle);
-  }
-
-  checkAll(toggle) {
-    const value = toggle ? 1 : 0;
-
-    // update internal map
-    if (toggle) {
-      this.checkMap = Array.from(Array(this.getTotalRows())).map(c => value);
-    } else {
-      this.checkMap = [];
-    }
-    // set checkbox value
-    this.bodyScrollable
-      .find('.data-table-col[data-col-index="0"] [type="checkbox"]')
-      .prop('checked', toggle);
-    // highlight all
-    this.highlightAll(toggle);
-  }
-
-  highlightRow(rowIndex, toggle = true) {
-    const $row = this.bodyScrollable
-      .find(`.data-table-row[data-row-index="${rowIndex}"]`);
-
-    if (toggle) {
-      $row.addClass('row-highlight');
-    } else {
-      $row.removeClass('row-highlight');
-    }
-  }
-
-  highlightAll(toggle = true) {
-    this.bodyScrollable
-      .find('.data-table-row')
-      .toggleClass('row-highlight', toggle);
-  }
-
-  setColumnWidth(colIndex, width) {
-    // set width for content
-    this.setStyle(`[data-col-index="${colIndex}"] .content`, {
-      width: width + 'px'
-    });
-    // set width for edit cell
-    this.setStyle(`[data-col-index="${colIndex}"] .edit-cell`, {
-      width: width + 'px'
-    });
-  }
-
-  setColumnHeaderWidth(colIndex, width) {
-    this.setStyle(`[data-col-index="${colIndex}"][data-is-header] .content`, {
-      width: width + 'px'
-    });
-  }
-
-  setDefaultCellHeight(height) {
-    this.setStyle('.data-table-col .content', {
-      height: height + 'px'
-    });
-  }
-
-  setRowHeight(rowIndex, height) {
-    this.setStyle(`[data-row-index="${rowIndex}"] .content`, {
-      height: height + 'px'
-    });
-  }
-
-  setColumnWidths() {
-    const availableWidth = this.wrapper.width();
-    const headerWidth = this.header.width();
-
-    if (headerWidth > availableWidth) {
-      // don't resize, horizontal scroll takes place
-      return;
-    }
-
-    const columns = this.datamanager.getColumns();
-    const deltaWidth = (availableWidth - headerWidth) / this.datamanager.getColumnCount();
-
-    columns.map(col => {
-      const width = this.getColumnHeaderElement(col.colIndex).width();
-      let finalWidth = width + deltaWidth - 16;
-
-      if (this.options.addSerialNoColumn && col.colIndex === 0) {
-        return;
-      }
-
-      this.setColumnHeaderWidth(col.colIndex, finalWidth);
-      this.setColumnWidth(col.colIndex, finalWidth);
-    });
-    this.setBodyWidth();
   }
 
   setBodyWidth() {
-    this.bodyScrollable.css(
-      'width',
-      parseInt(this.header.css('width'), 10)
-    );
-  }
+    const width = $.style(this.header, 'width');
 
-  setStyle(rule, styleMap) {
-    let styles = this.$style.text();
-
-    styles = buildCSSRule(rule, styleMap, styles);
-    this.$style.html(styles);
-  }
-
-  removeStyle(rule) {
-    let styles = this.$style.text();
-
-    styles = removeCSSRule(rule, styles);
-    this.$style.html(styles);
-  }
-
-  makeStyle() {
-    this.$style = $('<style data-id="datatable"></style>')
-      .prependTo(this.wrapper);
-  }
-
-  getColumn(colIndex) {
-    return this.datamanager.getColumn(colIndex);
-  }
-
-  getRow(rowIndex) {
-    return this.datamanager.getRow(rowIndex);
-  }
-
-  getCell(colIndex, rowIndex) {
-    return this.datamanager.getCell(colIndex, rowIndex);
+    $.style(this.bodyScrollable, { width: width + 'px' });
   }
 
   getColumnHeaderElement(colIndex) {
-    colIndex = +colIndex;
-    if (colIndex < 0) return null;
-    return this.wrapper.find(
-      `.data-table-col[data-is-header][data-col-index="${colIndex}"]`
-    );
-  }
-
-  getColumnMinWidth(colIndex) {
-    colIndex = +colIndex;
-    return this.minWidthMap && this.minWidthMap[colIndex];
-  }
-
-  getCellAttr($cell) {
-    return $cell.data();
-  }
-
-  getTotalRows() {
-    return this.datamanager.getRowCount();
-  }
-
-  getFirstColumnIndex() {
-    if (this.options.addCheckboxColumn && this.options.addSerialNoColumn) {
-      return 2;
-    }
-
-    if (this.options.addCheckboxColumn || this.options.addSerialNoColumn) {
-      return 1;
-    }
-
-    return 0;
-  }
-
-  getLastColumnIndex() {
-    return this.datamanager.getColumnCount() - 1;
-  }
-
-  getLastRowIndex() {
-    return this.datamanager.getRowCount() - 1;
-  }
-
-  getSerialColumnIndex() {
-    const columns = this.datamanager.getColumns();
-
-    return columns.findIndex(column => column.content.includes('Sr. No'));
+    return this.columnmanager.getColumnHeaderElement(colIndex);
   }
 
   getViewportHeight() {
     if (!this.viewportHeight) {
-      this.viewportHeight = this.bodyScrollable.height();
+      this.viewportHeight = $.style(this.bodyScrollable, 'height');
     }
 
     return this.viewportHeight;
diff --git a/src/dom.js b/src/dom.js
new file mode 100644
index 0000000..c3bf4c9
--- /dev/null
+++ b/src/dom.js
@@ -0,0 +1,145 @@
+
+export default function $(expr, con) {
+  return typeof expr === 'string' ?
+    (con || document).querySelector(expr) :
+    expr || null;
+}
+
+$.each = (expr, con) => {
+  return typeof expr === 'string' ?
+    Array.from((con || document).querySelectorAll(expr)) :
+    expr || null;
+};
+
+$.create = (tag, o) => {
+  let element = document.createElement(tag);
+
+  for (let i in o) {
+    let val = o[i];
+
+    if (i === 'inside') {
+      $(val).appendChild(element);
+    } else
+    if (i === 'around') {
+      let ref = $(val);
+      ref.parentNode.insertBefore(element, ref);
+      element.appendChild(ref);
+    } else
+    if (i === 'styles') {
+      if (typeof val === 'object') {
+        Object.keys(val).map(prop => {
+          element.style[prop] = val[prop];
+        });
+      }
+    } else
+    if (i in element) {
+      element[i] = val;
+    } else {
+      element.setAttribute(i, val);
+    }
+  }
+
+  return element;
+};
+
+$.on = (element, event, selector, callback) => {
+  if (!callback) {
+    callback = selector;
+    $.bind(element, event, callback);
+  } else {
+    $.delegate(element, event, selector, callback);
+  }
+};
+
+$.bind = (element, event, callback) => {
+  event.split(/\s+/).forEach(function (event) {
+    element.addEventListener(event, callback);
+  });
+};
+
+$.delegate = (element, event, selector, callback) => {
+  element.addEventListener(event, function (e) {
+    const delegatedTarget = e.target.closest(selector);
+    if (delegatedTarget) {
+      e.delegatedTarget = delegatedTarget;
+      callback.call(this, e, delegatedTarget);
+    }
+  });
+};
+
+$.unbind = (element, o) => {
+  if (element) {
+    for (let event in o) {
+      let callback = o[event];
+
+      event.split(/\s+/).forEach(function (event) {
+        element.removeEventListener(event, callback);
+      });
+    }
+  }
+};
+
+$.fire = (target, type, properties) => {
+  let evt = document.createEvent('HTMLEvents');
+
+  evt.initEvent(type, true, true);
+
+  for (let j in properties) {
+    evt[j] = properties[j];
+  }
+
+  return target.dispatchEvent(evt);
+};
+
+$.data = (element, attrs) => { // eslint-disable-line
+  if (!attrs) {
+    return element.dataset;
+  }
+
+  for (const attr in attrs) {
+    element.dataset[attr] = attrs[attr];
+  }
+};
+
+$.style = (elements, styleMap) => { // eslint-disable-line
+
+  if (typeof styleMap === 'string') {
+    return $.getStyle(elements, styleMap);
+  }
+
+  if (!Array.isArray(elements)) {
+    elements = [elements];
+  }
+
+  elements.map(element => {
+    for (const prop in styleMap) {
+      element.style[prop] = styleMap[prop];
+    }
+  });
+};
+
+$.removeStyle = (elements, styleProps) => {
+  if (!Array.isArray(elements)) {
+    elements = [elements];
+  }
+
+  if (!Array.isArray(styleProps)) {
+    styleProps = [styleProps];
+  }
+
+  elements.map(element => {
+    for (const prop of styleProps) {
+      element.style[prop] = '';
+    }
+  });
+};
+
+$.getStyle = (element, prop) => {
+  let val = getComputedStyle(element)[prop];
+
+  if (['width', 'height'].includes(prop)) {
+    val = parseFloat(val);
+  }
+
+  return val;
+};
diff --git a/src/keyboard.js b/src/keyboard.js
index a79bddd..d348f0f 100644
--- a/src/keyboard.js
+++ b/src/keyboard.js
@@ -1,3 +1,5 @@
+import $ from './dom';
+
 const KEYCODES = {
   13: 'enter',
   91: 'meta',
@@ -16,7 +18,7 @@ const KEYCODES = {
 const handlers = {};
 
 function bind() {
-  $(document).on('keydown', handler);
+  $.on(document, 'keydown', handler);
 }
 
 function handler(e) {
@@ -37,12 +39,9 @@ function handler(e) {
       const preventBubbling = handler();
 
       if (preventBubbling === undefined || preventBubbling === true) {
-        if (!e.isDefaultPrevented()) {
-          e.preventDefault();
-        }
+        e.preventDefault();
       }
     });
-
   }
 }
 
diff --git a/src/performance.js b/src/performance.js
new file mode 100644
index 0000000..9dcd0de
--- /dev/null
+++ b/src/performance.js
@@ -0,0 +1,14 @@
+class Performance {
+  start() {
+    this._start = window.performance.now();
+  }
+
+  end() {
+    this._end = window.performance.now();
+    console.log(this._end - this._start);
+  }
+}
+
+let perf = new Performance();
+
+export default perf;
diff --git a/src/rowmanager.js b/src/rowmanager.js
new file mode 100644
index 0000000..545f317
--- /dev/null
+++ b/src/rowmanager.js
@@ -0,0 +1,120 @@
+import $ from './dom';
+
+export default class RowManager {
+  constructor(instance) {
+    this.instance = instance;
+    this.options = this.instance.options;
+    this.wrapper = this.instance.wrapper;
+    this.datamanager = this.instance.datamanager;
+
+    this.bindEvents();
+  }
+
+  bindEvents() {
+    this.bindCheckbox();
+  }
+
+  bindCheckbox() {
+    if (!this.options.addCheckboxColumn) return;
+
+    // map of checked rows
+    this.checkMap = [];
+
+    $.on(this.wrapper, 'click', '.data-table-col[data-col-index="0"] [type="checkbox"]', (e, $checkbox) => {
+      const $cell = $checkbox.closest('.data-table-col');
+      const { rowIndex, isHeader } = $.data($cell);
+      const checked = $checkbox.checked;
+
+      if (isHeader) {
+        this.checkAll(checked);
+      } else {
+        this.checkRow(rowIndex, checked);
+      }
+    });
+  }
+
+  refreshRows() {
+    this.instance.renderBody();
+    this.instance.setDimensions();
+  }
+
+  getCheckedRows() {
+    return this.checkMap
+      .map((c, rowIndex) => {
+        if (c) {
+          return rowIndex;
+        }
+        return null;
+      })
+      .filter(c => {
+        return c !== null || c !== undefined;
+      });
+  }
+
+  highlightCheckedRows() {
+    this.getCheckedRows()
+      .map(rowIndex => this.checkRow(rowIndex, true));
+  }
+
+  checkRow(rowIndex, toggle) {
+    const value = toggle ? 1 : 0;
+
+    // update internal map
+    this.checkMap[rowIndex] = value;
+    // set checkbox value explicitly
+    $.each(`.data-table-col[data-row-index="${rowIndex}"][data-col-index="0"] [type="checkbox"]`, this.bodyScrollable)
+      .map(input => {
+        input.checked = toggle;
+      });
+    // highlight row
+    this.highlightRow(rowIndex, toggle);
+  }
+
+  checkAll(toggle) {
+    const value = toggle ? 1 : 0;
+
+    // update internal map
+    if (toggle) {
+      this.checkMap = Array.from(Array(this.getTotalRows())).map(c => value);
+    } else {
+      this.checkMap = [];
+    }
+    // set checkbox value
+    $.each('.data-table-col[data-col-index="0"] [type="checkbox"]', this.bodyScrollable)
+      .map(input => {
+        input.checked = toggle;
+      });
+    // highlight all
+    this.highlightAll(toggle);
+  }
+
+  highlightRow(rowIndex, toggle = true) {
+    const $row = $(`.data-table-row[data-row-index="${rowIndex}"]`, this.bodyScrollable);
+
+    if (toggle) {
+      $row.classList.add('row-highlight');
+    } else {
+      $row.classList.remove('row-highlight');
+    }
+  }
+
+  highlightAll(toggle = true) {
+    if (toggle) {
+      this.bodyScrollable.classList.add('row-highlight-all');
+    } else {
+      this.bodyScrollable.classList.remove('row-highlight-all');
+    }
+  }
+
+  getTotalRows() {
+    return this.datamanager.getRowCount();
+  }
+
+  getFirstRowIndex() {
+    return 0;
+  }
+
+  getLastRowIndex() {
+    return this.datamanager.getRowCount() - 1;
+  }
+}
diff --git a/src/style.js b/src/style.js
new file mode 100644
index 0000000..e22bce8
--- /dev/null
+++ b/src/style.js
@@ -0,0 +1,25 @@
+import { camelCaseToDash } from './utils';
+
+export default class Style {
+
+  constructor(wrapper) {
+    const styleEl = document.createElement('style');
+
+    document.head.appendChild(styleEl);
+    this.styleSheet = styleEl.sheet;
+  }
+
+  setStyle(rule, styleMap) {
+    const styles = Object.keys(styleMap)
+      .map(prop => {
+        if (!prop.includes('-')) {
+          prop = camelCaseToDash(prop);
+        }
+        return `${prop}:${styleMap[prop]};`;
+      })
+      .join('');
+    let ruleString = `${rule} { ${styles} }`;
+
+    this.styleSheet.insertRule(ruleString, this.styleSheet.cssRules.length);
+  }
+}
diff --git a/src/style.scss b/src/style.scss
index 89461fd..8d35d1e 100644
--- a/src/style.scss
+++ b/src/style.scss
@@ -48,6 +48,10 @@ button, input {
 	max-height: 500px;
 	overflow: auto;
 	border-bottom: 1px solid var(--border-color);
+
+	&.row-highlight-all .data-table-row {
+		background-color: var(--light-bg);
+	}
 }
 
 .data-table-header {
diff --git a/src/utils.js b/src/utils.js
index decaa5b..6bb592d 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -255,6 +255,10 @@ function copyTextToClipboard(text) {
   document.body.removeChild(textArea);
 }
 
+function isNumeric(val) {
+  return !isNaN(val);
+}
+
 export default {
   getHeaderHTML,
   getBodyHTML,
@@ -271,5 +275,7 @@ export default {
   getDefault,
   escapeRegExp,
   getCellContent,
-  copyTextToClipboard
+  copyTextToClipboard,
+  camelCaseToDash,
+  isNumeric
 };