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How to use this.fn method in istanbul
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dataTables.fixedHeader.js
Source:dataTables.fixedHeader.js 
1/*! FixedHeader 2.1.22 * ©2010-2014 SpryMedia Ltd - datatables.net/license3 */4/**5 * @summary FixedHeader6 * @description Fix a table's header or footer, so it is always visible while7 * Scrolling8 * @version 2.1.29 * @file dataTables.fixedHeader.js10 * @author SpryMedia Ltd (www.sprymedia.co.uk)11 * @contact www.sprymedia.co.uk/contact12 * @copyright Copyright 2009-2014 SpryMedia Ltd.13 *14 * This source file is free software, available under the following license:15 * MIT license - http://datatables.net/license/mit16 *17 * This source file is distributed in the hope that it will be useful, but18 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY19 * or FITNESS FOR A PARTICULAR PURPOSE. See the license files for details.20 *21 * For details please refer to: http://www.datatables.net22 */23/* Global scope for FixedColumns for backwards compatibility - will be removed24 * in future. Not documented in 1.1.x.25 */26/* Global scope for FixedColumns */27var FixedHeader;28(function(window, document, undefined) {29var factory = function( $, DataTable ) {30"use strict";31/*32 * Function: FixedHeader33 * Purpose: Provide 'fixed' header, footer and columns for a DataTable34 * Returns: object:FixedHeader - must be called with 'new'35 * Inputs: mixed:mTable - target table36 * @param {object} dt DataTables instance or HTML table node. With DataTables37 * 1.10 this can also be a jQuery collection (with just a single table in its38 * result set), a jQuery selector, DataTables API instance or settings39 * object.40 * @param {object} [oInit] initialisation settings, with the following41 * properties (each optional)42 * * bool:top - fix the header (default true)43 * * bool:bottom - fix the footer (default false)44 * * int:left - fix the left column(s) (default 0)45 * * int:right - fix the right column(s) (default 0)46 * * int:zTop - fixed header zIndex47 * * int:zBottom - fixed footer zIndex48 * * int:zLeft - fixed left zIndex49 * * int:zRight - fixed right zIndex50 */51FixedHeader = function ( mTable, oInit ) {52 /* Sanity check - you just know it will happen */53 if ( ! this instanceof FixedHeader )54 {55 alert( "FixedHeader warning: FixedHeader must be initialised with the 'new' keyword." );56 return;57 }58 var that = this;59 var oSettings = {60 "aoCache": [],61 "oSides": {62 "top": true,63 "bottom": false,64 "left": 0,65 "right": 066 },67 "oZIndexes": {68 "top": 104,69 "bottom": 103,70 "left": 102,71 "right": 10172 },73 "oCloneOnDraw": {74 "top": false,75 "bottom": false,76 "left": true,77 "right": true78 },79 "oMes": {80 "iTableWidth": 0,81 "iTableHeight": 0,82 "iTableLeft": 0,83 "iTableRight": 0, /* note this is left+width, not actually "right" */84 "iTableTop": 0,85 "iTableBottom": 0 /* note this is top+height, not actually "bottom" */86 },87 "oOffset": {88 "top": 089 },90 "nTable": null,91 "bFooter": false,92 "bInitComplete": false93 };94 /*95 * Function: fnGetSettings96 * Purpose: Get the settings for this object97 * Returns: object: - settings object98 * Inputs: -99 */100 this.fnGetSettings = function () {101 return oSettings;102 };103 /*104 * Function: fnUpdate105 * Purpose: Update the positioning and copies of the fixed elements106 * Returns: -107 * Inputs: -108 */109 this.fnUpdate = function () {110 this._fnUpdateClones();111 this._fnUpdatePositions();112 };113 /*114 * Function: fnPosition115 * Purpose: Update the positioning of the fixed elements116 * Returns: -117 * Inputs: -118 */119 this.fnPosition = function () {120 this._fnUpdatePositions();121 };122 var dt = $.fn.dataTable.Api ?123 new $.fn.dataTable.Api( mTable ).settings()[0] :124 mTable.fnSettings();125 dt._oPluginFixedHeader = this;126 /* Let's do it */127 this.fnInit( dt, oInit );128};129/*130 * Variable: FixedHeader131 * Purpose: Prototype for FixedHeader132 * Scope: global133 */134FixedHeader.prototype = {135 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *136 * Initialisation137 */138 /*139 * Function: fnInit140 * Purpose: The "constructor"141 * Returns: -142 * Inputs: {as FixedHeader function}143 */144 fnInit: function ( oDtSettings, oInit )145 {146 var s = this.fnGetSettings();147 var that = this;148 /* Record the user definable settings */149 this.fnInitSettings( s, oInit );150 if ( oDtSettings.oScroll.sX !== "" || oDtSettings.oScroll.sY !== "" )151 {152 alert( "FixedHeader 2 is not supported with DataTables' scrolling mode at this time" );153 return;154 }155 s.nTable = oDtSettings.nTable;156 oDtSettings.aoDrawCallback.unshift( {157 "fn": function () {158 FixedHeader.fnMeasure();159 that._fnUpdateClones.call(that);160 that._fnUpdatePositions.call(that);161 },162 "sName": "FixedHeader"163 } );164 s.bFooter = ($('>tfoot', s.nTable).length > 0) ? true : false;165 /* Add the 'sides' that are fixed */166 if ( s.oSides.top )167 {168 s.aoCache.push( that._fnCloneTable( "fixedHeader", "FixedHeader_Header", that._fnCloneThead ) );169 }170 if ( s.oSides.bottom )171 {172 s.aoCache.push( that._fnCloneTable( "fixedFooter", "FixedHeader_Footer", that._fnCloneTfoot ) );173 }174 if ( s.oSides.left )175 {176 s.aoCache.push( that._fnCloneTable( "fixedLeft", "FixedHeader_Left", that._fnCloneTLeft, s.oSides.left ) );177 }178 if ( s.oSides.right )179 {180 s.aoCache.push( that._fnCloneTable( "fixedRight", "FixedHeader_Right", that._fnCloneTRight, s.oSides.right ) );181 }182 /* Event listeners for window movement */183 FixedHeader.afnScroll.push( function () {184 that._fnUpdatePositions.call(that);185 } );186 $(window).resize( function () {187 FixedHeader.fnMeasure();188 that._fnUpdateClones.call(that);189 that._fnUpdatePositions.call(that);190 } );191 $(s.nTable)192 .on('column-reorder.dt', function () {193 FixedHeader.fnMeasure();194 that._fnUpdateClones( true );195 that._fnUpdatePositions();196 } )197 .on('column-visibility.dt', function () {198 FixedHeader.fnMeasure();199 that._fnUpdateClones( true );200 that._fnUpdatePositions();201 } );202 /* Get things right to start with */203 FixedHeader.fnMeasure();204 that._fnUpdateClones();205 that._fnUpdatePositions();206 s.bInitComplete = true;207 },208 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *209 * Support functions210 */211 /*212 * Function: fnInitSettings213 * Purpose: Take the user's settings and copy them to our local store214 * Returns: -215 * Inputs: object:s - the local settings object216 * object:oInit - the user's settings object217 */218 fnInitSettings: function ( s, oInit )219 {220 if ( oInit !== undefined )221 {222 if ( oInit.top !== undefined ) {223 s.oSides.top = oInit.top;224 }225 if ( oInit.bottom !== undefined ) {226 s.oSides.bottom = oInit.bottom;227 }228 if ( typeof oInit.left == 'boolean' ) {229 s.oSides.left = oInit.left ? 1 : 0;230 }231 else if ( oInit.left !== undefined ) {232 s.oSides.left = oInit.left;233 }234 if ( typeof oInit.right == 'boolean' ) {235 s.oSides.right = oInit.right ? 1 : 0;236 }237 else if ( oInit.right !== undefined ) {238 s.oSides.right = oInit.right;239 }240 if ( oInit.zTop !== undefined ) {241 s.oZIndexes.top = oInit.zTop;242 }243 if ( oInit.zBottom !== undefined ) {244 s.oZIndexes.bottom = oInit.zBottom;245 }246 if ( oInit.zLeft !== undefined ) {247 s.oZIndexes.left = oInit.zLeft;248 }249 if ( oInit.zRight !== undefined ) {250 s.oZIndexes.right = oInit.zRight;251 }252 if ( oInit.offsetTop !== undefined ) {253 s.oOffset.top = oInit.offsetTop;254 }255 if ( oInit.alwaysCloneTop !== undefined ) {256 s.oCloneOnDraw.top = oInit.alwaysCloneTop;257 }258 if ( oInit.alwaysCloneBottom !== undefined ) {259 s.oCloneOnDraw.bottom = oInit.alwaysCloneBottom;260 }261 if ( oInit.alwaysCloneLeft !== undefined ) {262 s.oCloneOnDraw.left = oInit.alwaysCloneLeft;263 }264 if ( oInit.alwaysCloneRight !== undefined ) {265 s.oCloneOnDraw.right = oInit.alwaysCloneRight;266 }267 }268 },269 /*270 * Function: _fnCloneTable271 * Purpose: Clone the table node and do basic initialisation272 * Returns: -273 * Inputs: -274 */275 _fnCloneTable: function ( sType, sClass, fnClone, iCells )276 {277 var s = this.fnGetSettings();278 var nCTable;279 /* We know that the table _MUST_ has a DIV wrapped around it, because this is simply how280 * DataTables works. Therefore, we can set this to be relatively position (if it is not281 * alreadu absolute, and use this as the base point for the cloned header282 */283 if ( $(s.nTable.parentNode).css('position') != "absolute" )284 {285 s.nTable.parentNode.style.position = "relative";286 }287 /* Just a shallow clone will do - we only want the table node */288 nCTable = s.nTable.cloneNode( false );289 nCTable.removeAttribute( 'id' );290 var nDiv = document.createElement( 'div' );291 nDiv.style.position = "absolute";292 nDiv.style.top = "0px";293 nDiv.style.left = "0px";294 nDiv.className += " FixedHeader_Cloned "+sType+" "+sClass;295 /* Set the zIndexes */296 if ( sType == "fixedHeader" )297 {298 nDiv.style.zIndex = s.oZIndexes.top;299 }300 if ( sType == "fixedFooter" )301 {302 nDiv.style.zIndex = s.oZIndexes.bottom;303 }304 if ( sType == "fixedLeft" )305 {306 nDiv.style.zIndex = s.oZIndexes.left;307 }308 else if ( sType == "fixedRight" )309 {310 nDiv.style.zIndex = s.oZIndexes.right;311 }312 /* remove margins since we are going to position it absolutely */313 nCTable.style.margin = "0";314 /* Insert the newly cloned table into the DOM, on top of the "real" header */315 nDiv.appendChild( nCTable );316 document.body.appendChild( nDiv );317 return {318 "nNode": nCTable,319 "nWrapper": nDiv,320 "sType": sType,321 "sPosition": "",322 "sTop": "",323 "sLeft": "",324 "fnClone": fnClone,325 "iCells": iCells326 };327 },328 /*329 * Function: _fnMeasure330 * Purpose: Get the current positioning of the table in the DOM331 * Returns: -332 * Inputs: -333 */334 _fnMeasure: function ()335 {336 var337 s = this.fnGetSettings(),338 m = s.oMes,339 jqTable = $(s.nTable),340 oOffset = jqTable.offset(),341 iParentScrollTop = this._fnSumScroll( s.nTable.parentNode, 'scrollTop' ),342 iParentScrollLeft = this._fnSumScroll( s.nTable.parentNode, 'scrollLeft' );343 m.iTableWidth = jqTable.outerWidth();344 m.iTableHeight = jqTable.outerHeight();345 m.iTableLeft = oOffset.left + s.nTable.parentNode.scrollLeft;346 m.iTableTop = oOffset.top + iParentScrollTop;347 m.iTableRight = m.iTableLeft + m.iTableWidth;348 m.iTableRight = FixedHeader.oDoc.iWidth - m.iTableLeft - m.iTableWidth;349 m.iTableBottom = FixedHeader.oDoc.iHeight - m.iTableTop - m.iTableHeight;350 },351 /*352 * Function: _fnSumScroll353 * Purpose: Sum node parameters all the way to the top354 * Returns: int: sum355 * Inputs: node:n - node to consider356 * string:side - scrollTop or scrollLeft357 */358 _fnSumScroll: function ( n, side )359 {360 var i = n[side];361 while ( n = n.parentNode )362 {363 if ( n.nodeName == 'HTML' || n.nodeName == 'BODY' )364 {365 break;366 }367 i = n[side];368 }369 return i;370 },371 /*372 * Function: _fnUpdatePositions373 * Purpose: Loop over the fixed elements for this table and update their positions374 * Returns: -375 * Inputs: -376 */377 _fnUpdatePositions: function ()378 {379 var s = this.fnGetSettings();380 this._fnMeasure();381 for ( var i=0, iLen=s.aoCache.length ; i<iLen ; i++ )382 {383 if ( s.aoCache[i].sType == "fixedHeader" )384 {385 this._fnScrollFixedHeader( s.aoCache[i] );386 }387 else if ( s.aoCache[i].sType == "fixedFooter" )388 {389 this._fnScrollFixedFooter( s.aoCache[i] );390 }391 else if ( s.aoCache[i].sType == "fixedLeft" )392 {393 this._fnScrollHorizontalLeft( s.aoCache[i] );394 }395 else396 {397 this._fnScrollHorizontalRight( s.aoCache[i] );398 }399 }400 },401 /*402 * Function: _fnUpdateClones403 * Purpose: Loop over the fixed elements for this table and call their cloning functions404 * Returns: -405 * Inputs: -406 */407 _fnUpdateClones: function ( full )408 {409 var s = this.fnGetSettings();410 if ( full ) {411 // This is a little bit of a hack to force a full clone draw. When412 // `full` is set to true, we want to reclone the source elements,413 // regardless of the clone-on-draw settings414 s.bInitComplete = false;415 }416 for ( var i=0, iLen=s.aoCache.length ; i<iLen ; i++ )417 {418 s.aoCache[i].fnClone.call( this, s.aoCache[i] );419 }420 if ( full ) {421 s.bInitComplete = true;422 }423 },424 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *425 * Scrolling functions426 */427 /*428 * Function: _fnScrollHorizontalLeft429 * Purpose: Update the positioning of the scrolling elements430 * Returns: -431 * Inputs: object:oCache - the cached values for this fixed element432 */433 _fnScrollHorizontalRight: function ( oCache )434 {435 var436 s = this.fnGetSettings(),437 oMes = s.oMes,438 oWin = FixedHeader.oWin,439 oDoc = FixedHeader.oDoc,440 nTable = oCache.nWrapper,441 iFixedWidth = $(nTable).outerWidth();442 if ( oWin.iScrollRight < oMes.iTableRight )443 {444 /* Fully right aligned */445 this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );446 this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );447 this._fnUpdateCache( oCache, 'sLeft', (oMes.iTableLeft+oMes.iTableWidth-iFixedWidth)+"px", 'left', nTable.style );448 }449 else if ( oMes.iTableLeft < oDoc.iWidth-oWin.iScrollRight-iFixedWidth )450 {451 /* Middle */452 this._fnUpdateCache( oCache, 'sPosition', 'fixed', 'position', nTable.style );453 this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop-oWin.iScrollTop)+"px", 'top', nTable.style );454 this._fnUpdateCache( oCache, 'sLeft', (oWin.iWidth-iFixedWidth)+"px", 'left', nTable.style );455 }456 else457 {458 /* Fully left aligned */459 this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );460 this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );461 this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );462 }463 },464 /*465 * Function: _fnScrollHorizontalLeft466 * Purpose: Update the positioning of the scrolling elements467 * Returns: -468 * Inputs: object:oCache - the cached values for this fixed element469 */470 _fnScrollHorizontalLeft: function ( oCache )471 {472 var473 s = this.fnGetSettings(),474 oMes = s.oMes,475 oWin = FixedHeader.oWin,476 oDoc = FixedHeader.oDoc,477 nTable = oCache.nWrapper,478 iCellWidth = $(nTable).outerWidth();479 if ( oWin.iScrollLeft < oMes.iTableLeft )480 {481 /* Fully left align */482 this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );483 this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );484 this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );485 }486 else if ( oWin.iScrollLeft < oMes.iTableLeft+oMes.iTableWidth-iCellWidth )487 {488 this._fnUpdateCache( oCache, 'sPosition', 'fixed', 'position', nTable.style );489 this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop-oWin.iScrollTop)+"px", 'top', nTable.style );490 this._fnUpdateCache( oCache, 'sLeft', "0px", 'left', nTable.style );491 }492 else493 {494 /* Fully right align */495 this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );496 this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );497 this._fnUpdateCache( oCache, 'sLeft', (oMes.iTableLeft+oMes.iTableWidth-iCellWidth)+"px", 'left', nTable.style );498 }499 },500 /*501 * Function: _fnScrollFixedFooter502 * Purpose: Update the positioning of the scrolling elements503 * Returns: -504 * Inputs: object:oCache - the cached values for this fixed element505 */506 _fnScrollFixedFooter: function ( oCache )507 {508 var509 s = this.fnGetSettings(),510 oMes = s.oMes,511 oWin = FixedHeader.oWin,512 oDoc = FixedHeader.oDoc,513 nTable = oCache.nWrapper,514 iTheadHeight = $("thead", s.nTable).outerHeight(),515 iCellHeight = $(nTable).outerHeight();516 if ( oWin.iScrollBottom < oMes.iTableBottom )517 {518 /* Below */519 this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );520 this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop+oMes.iTableHeight-iCellHeight)+"px", 'top', nTable.style );521 this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );522 }523 else if ( oWin.iScrollBottom < oMes.iTableBottom+oMes.iTableHeight-iCellHeight-iTheadHeight )524 {525 this._fnUpdateCache( oCache, 'sPosition', 'fixed', 'position', nTable.style );526 this._fnUpdateCache( oCache, 'sTop', (oWin.iHeight-iCellHeight)+"px", 'top', nTable.style );527 this._fnUpdateCache( oCache, 'sLeft', (oMes.iTableLeft-oWin.iScrollLeft)+"px", 'left', nTable.style );528 }529 else530 {531 /* Above */532 this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );533 this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop+iCellHeight)+"px", 'top', nTable.style );534 this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );535 }536 },537 /*538 * Function: _fnScrollFixedHeader539 * Purpose: Update the positioning of the scrolling elements540 * Returns: -541 * Inputs: object:oCache - the cached values for this fixed element542 */543 _fnScrollFixedHeader: function ( oCache )544 {545 var546 s = this.fnGetSettings(),547 oMes = s.oMes,548 oWin = FixedHeader.oWin,549 oDoc = FixedHeader.oDoc,550 nTable = oCache.nWrapper,551 iTbodyHeight = 0,552 anTbodies = s.nTable.getElementsByTagName('tbody');553 for (var i = 0; i < anTbodies.length; ++i) {554 iTbodyHeight += anTbodies[i].offsetHeight;555 }556 if ( oMes.iTableTop > oWin.iScrollTop + s.oOffset.top )557 {558 /* Above the table */559 this._fnUpdateCache( oCache, 'sPosition', "absolute", 'position', nTable.style );560 this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );561 this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );562 }563 else if ( oWin.iScrollTop + s.oOffset.top > oMes.iTableTop+iTbodyHeight )564 {565 /* At the bottom of the table */566 this._fnUpdateCache( oCache, 'sPosition', "absolute", 'position', nTable.style );567 this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop+iTbodyHeight)+"px", 'top', nTable.style );568 this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );569 }570 else571 {572 /* In the middle of the table */573 this._fnUpdateCache( oCache, 'sPosition', 'fixed', 'position', nTable.style );574 this._fnUpdateCache( oCache, 'sTop', s.oOffset.top+"px", 'top', nTable.style );575 this._fnUpdateCache( oCache, 'sLeft', (oMes.iTableLeft-oWin.iScrollLeft)+"px", 'left', nTable.style );576 }577 },578 /*579 * Function: _fnUpdateCache580 * Purpose: Check the cache and update cache and value if needed581 * Returns: -582 * Inputs: object:oCache - local cache object583 * string:sCache - cache property584 * string:sSet - value to set585 * string:sProperty - object property to set586 * object:oObj - object to update587 */588 _fnUpdateCache: function ( oCache, sCache, sSet, sProperty, oObj )589 {590 if ( oCache[sCache] != sSet )591 {592 oObj[sProperty] = sSet;593 oCache[sCache] = sSet;594 }595 },596 /**597 * Copy the classes of all child nodes from one element to another. This implies598 * that the two have identical structure - no error checking is performed to that599 * fact.600 * @param {element} source Node to copy classes from601 * @param {element} dest Node to copy classes too602 */603 _fnClassUpdate: function ( source, dest )604 {605 var that = this;606 if ( source.nodeName.toUpperCase() === "TR" || source.nodeName.toUpperCase() === "TH" ||607 source.nodeName.toUpperCase() === "TD" || source.nodeName.toUpperCase() === "SPAN" )608 {609 dest.className = source.className;610 }611 $(source).children().each( function (i) {612 that._fnClassUpdate( $(source).children()[i], $(dest).children()[i] );613 } );614 },615 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *616 * Cloning functions617 */618 /*619 * Function: _fnCloneThead620 * Purpose: Clone the thead element621 * Returns: -622 * Inputs: object:oCache - the cached values for this fixed element623 */624 _fnCloneThead: function ( oCache )625 {626 var s = this.fnGetSettings();627 var nTable = oCache.nNode;628 if ( s.bInitComplete && !s.oCloneOnDraw.top )629 {630 this._fnClassUpdate( $('thead', s.nTable)[0], $('thead', nTable)[0] );631 return;632 }633 /* Set the wrapper width to match that of the cloned table */634 var iDtWidth = $(s.nTable).outerWidth();635 oCache.nWrapper.style.width = iDtWidth+"px";636 nTable.style.width = iDtWidth+"px";637 /* Remove any children the cloned table has */638 while ( nTable.childNodes.length > 0 )639 {640 $('thead th', nTable).unbind( 'click' );641 nTable.removeChild( nTable.childNodes[0] );642 }643 /* Clone the DataTables header */644 var nThead = $('thead', s.nTable).clone(true)[0];645 nTable.appendChild( nThead );646 /* Copy the widths across - apparently a clone isn't good enough for this */647 var a = [];648 var b = [];649 $("thead>tr th", s.nTable).each( function (i) {650 a.push( $(this).width() );651 } );652 $("thead>tr td", s.nTable).each( function (i) {653 b.push( $(this).width() );654 } );655 $("thead>tr th", s.nTable).each( function (i) {656 $("thead>tr th:eq("+i+")", nTable).width( a[i] );657 $(this).width( a[i] );658 } );659 $("thead>tr td", s.nTable).each( function (i) {660 $("thead>tr td:eq("+i+")", nTable).width( b[i] );661 $(this).width( b[i] );662 } );663 // Stop DataTables 1.9 from putting a focus ring on the headers when664 // clicked to sort665 $('th.sorting, th.sorting_desc, th.sorting_asc', nTable).bind( 'click', function () {666 this.blur();667 } );668 },669 /*670 * Function: _fnCloneTfoot671 * Purpose: Clone the tfoot element672 * Returns: -673 * Inputs: object:oCache - the cached values for this fixed element674 */675 _fnCloneTfoot: function ( oCache )676 {677 var s = this.fnGetSettings();678 var nTable = oCache.nNode;679 /* Set the wrapper width to match that of the cloned table */680 oCache.nWrapper.style.width = $(s.nTable).outerWidth()+"px";681 /* Remove any children the cloned table has */682 while ( nTable.childNodes.length > 0 )683 {684 nTable.removeChild( nTable.childNodes[0] );685 }686 /* Clone the DataTables footer */687 var nTfoot = $('tfoot', s.nTable).clone(true)[0];688 nTable.appendChild( nTfoot );689 /* Copy the widths across - apparently a clone isn't good enough for this */690 $("tfoot:eq(0)>tr th", s.nTable).each( function (i) {691 $("tfoot:eq(0)>tr th:eq("+i+")", nTable).width( $(this).width() );692 } );693 $("tfoot:eq(0)>tr td", s.nTable).each( function (i) {694 $("tfoot:eq(0)>tr td:eq("+i+")", nTable).width( $(this).width() );695 } );696 },697 /*698 * Function: _fnCloneTLeft699 * Purpose: Clone the left column(s)700 * Returns: -701 * Inputs: object:oCache - the cached values for this fixed element702 */703 _fnCloneTLeft: function ( oCache )704 {705 var s = this.fnGetSettings();706 var nTable = oCache.nNode;707 var nBody = $('tbody', s.nTable)[0];708 /* Remove any children the cloned table has */709 while ( nTable.childNodes.length > 0 )710 {711 nTable.removeChild( nTable.childNodes[0] );712 }713 /* Is this the most efficient way to do this - it looks horrible... */714 nTable.appendChild( $("thead", s.nTable).clone(true)[0] );715 nTable.appendChild( $("tbody", s.nTable).clone(true)[0] );716 if ( s.bFooter )717 {718 nTable.appendChild( $("tfoot", s.nTable).clone(true)[0] );719 }720 /* Remove unneeded cells */721 var sSelector = 'gt(' + (oCache.iCells - 1) + ')';722 $('thead tr', nTable).each( function (k) {723 $('th:' + sSelector, this).remove();724 } );725 $('tfoot tr', nTable).each( function (k) {726 $('th:' + sSelector, this).remove();727 } );728 $('tbody tr', nTable).each( function (k) {729 $('td:' + sSelector, this).remove();730 } );731 this.fnEqualiseHeights( 'thead', nBody.parentNode, nTable );732 this.fnEqualiseHeights( 'tbody', nBody.parentNode, nTable );733 this.fnEqualiseHeights( 'tfoot', nBody.parentNode, nTable );734 var iWidth = 0;735 for (var i = 0; i < oCache.iCells; i++) {736 iWidth += $('thead tr th:eq(' + i + ')', s.nTable).outerWidth();737 }738 nTable.style.width = iWidth+"px";739 oCache.nWrapper.style.width = iWidth+"px";740 },741 /*742 * Function: _fnCloneTRight743 * Purpose: Clone the right most column(s)744 * Returns: -745 * Inputs: object:oCache - the cached values for this fixed element746 */747 _fnCloneTRight: function ( oCache )748 {749 var s = this.fnGetSettings();750 var nBody = $('tbody', s.nTable)[0];751 var nTable = oCache.nNode;752 var iCols = $('tbody tr:eq(0) td', s.nTable).length;753 /* Remove any children the cloned table has */754 while ( nTable.childNodes.length > 0 )755 {756 nTable.removeChild( nTable.childNodes[0] );757 }758 /* Is this the most efficient way to do this - it looks horrible... */759 nTable.appendChild( $("thead", s.nTable).clone(true)[0] );760 nTable.appendChild( $("tbody", s.nTable).clone(true)[0] );761 if ( s.bFooter )762 {763 nTable.appendChild( $("tfoot", s.nTable).clone(true)[0] );764 }765 $('thead tr th:lt('+(iCols-oCache.iCells)+')', nTable).remove();766 $('tfoot tr th:lt('+(iCols-oCache.iCells)+')', nTable).remove();767 /* Remove unneeded cells */768 $('tbody tr', nTable).each( function (k) {769 $('td:lt('+(iCols-oCache.iCells)+')', this).remove();770 } );771 this.fnEqualiseHeights( 'thead', nBody.parentNode, nTable );772 this.fnEqualiseHeights( 'tbody', nBody.parentNode, nTable );773 this.fnEqualiseHeights( 'tfoot', nBody.parentNode, nTable );774 var iWidth = 0;775 for (var i = 0; i < oCache.iCells; i++) {776 iWidth += $('thead tr th:eq('+(iCols-1-i)+')', s.nTable).outerWidth();777 }778 nTable.style.width = iWidth+"px";779 oCache.nWrapper.style.width = iWidth+"px";780 },781 /**782 * Equalise the heights of the rows in a given table node in a cross browser way. Note that this783 * is more or less lifted as is from FixedColumns784 * @method fnEqualiseHeights785 * @returns void786 * @param {string} parent Node type - thead, tbody or tfoot787 * @param {element} original Original node to take the heights from788 * @param {element} clone Copy the heights to789 * @private790 */791 "fnEqualiseHeights": function ( parent, original, clone )792 {793 var that = this;794 var originals = $(parent +' tr', original);795 var height;796 $(parent+' tr', clone).each( function (k) {797 height = originals.eq( k ).css('height');798 // This is nasty :-(. IE has a sub-pixel error even when setting799 // the height below (the Firefox fix) which causes the fixed column800 // to go out of alignment. Need to add a pixel before the assignment801 // Can this be feature detected? Not sure how...802 if ( navigator.appName == 'Microsoft Internet Explorer' ) {803 height = parseInt( height, 10 ) + 1;804 }805 $(this).css( 'height', height );806 // For Firefox to work, we need to also set the height of the807 // original row, to the value that we read from it! Otherwise there808 // is a sub-pixel rounding error809 originals.eq( k ).css( 'height', height );810 } );811 }812};813/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *814 * Static properties and methods815 * We use these for speed! This information is common to all instances of FixedHeader, so no816 * point if having them calculated and stored for each different instance.817 */818/*819 * Variable: oWin820 * Purpose: Store information about the window positioning821 * Scope: FixedHeader822 */823FixedHeader.oWin = {824 "iScrollTop": 0,825 "iScrollRight": 0,826 "iScrollBottom": 0,827 "iScrollLeft": 0,828 "iHeight": 0,829 "iWidth": 0830};831/*832 * Variable: oDoc833 * Purpose: Store information about the document size834 * Scope: FixedHeader835 */836FixedHeader.oDoc = {837 "iHeight": 0,838 "iWidth": 0839};840/*841 * Variable: afnScroll842 * Purpose: Array of functions that are to be used for the scrolling components843 * Scope: FixedHeader844 */845FixedHeader.afnScroll = [];846/*847 * Function: fnMeasure848 * Purpose: Update the measurements for the window and document849 * Returns: -850 * Inputs: -851 */852FixedHeader.fnMeasure = function ()853{854 var855 jqWin = $(window),856 jqDoc = $(document),857 oWin = FixedHeader.oWin,858 oDoc = FixedHeader.oDoc;859 oDoc.iHeight = jqDoc.height();860 oDoc.iWidth = jqDoc.width();861 oWin.iHeight = jqWin.height();862 oWin.iWidth = jqWin.width();863 oWin.iScrollTop = jqWin.scrollTop();864 oWin.iScrollLeft = jqWin.scrollLeft();865 oWin.iScrollRight = oDoc.iWidth - oWin.iScrollLeft - oWin.iWidth;866 oWin.iScrollBottom = oDoc.iHeight - oWin.iScrollTop - oWin.iHeight;867};868FixedHeader.version = "2.1.2";869/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *870 * Global processing871 */872/*873 * Just one 'scroll' event handler in FixedHeader, which calls the required components. This is874 * done as an optimisation, to reduce calculation and proagation time875 */876$(window).scroll( function () {877 FixedHeader.fnMeasure();878 for ( var i=0, iLen=FixedHeader.afnScroll.length ; i<iLen ; i++ ) {879 FixedHeader.afnScroll[i]();880 }881} );882$.fn.dataTable.FixedHeader = FixedHeader;883$.fn.DataTable.FixedHeader = FixedHeader;884return FixedHeader;885}; // /factory886// Define as an AMD module if possible887if ( typeof define === 'function' && define.amd ) {888 define( ['jquery', 'datatables'], factory );889}890else if ( typeof exports === 'object' ) {891 // Node/CommonJS892 factory( require('jquery'), require('datatables') );893}894else if ( jQuery && !jQuery.fn.dataTable.FixedHeader ) {895 // Otherwise simply initialise as normal, stopping multiple evaluation896 factory( jQuery, jQuery.fn.dataTable );897}...
Using AI Code Generation
1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var code = 'var x = 1;';4instrumenter.instrument(code, 'test.js', function(err, code) {5 console.log(code);6});7var istanbul = require('istanbul');8var instrumenter = new istanbul.Instrumenter();9var code = 'var x = 1;';10instrumenter.instrument(code, 'test.js', function(err, code) {11 console.log(code);12});13var __cov_5fgDxJi8V7q3q3jK9XkDfFw = (Function('return this'))();14if (!__cov_5fgDxJi8V7q3q3jK9XkDfFw.__coverage__) { __cov_5fgDxJi8V7q3q3jK9XkDfFw.__coverage__ = {}; }15__cov_5fgDxJi8V7q3q3jK9XkDfFw = __cov_5fgDxJi8V7q3q3jK9XkDfFw.__coverage__;16if (!(__cov_5fgDxJi8V7q3q3jK9XkDfFw['test.js'])) {17 __cov_5fgDxJi8V7q3q3jK9XkDfFw['test.js'] = {"path":"test.js","s":{"1":0},"b":{},"f":{},"fnMap":{},"statementMap":{"1":{"start":{"line":1,"column":0},"end":{"line":1,"column":15}}},"branchMap":{}};18}19__cov_5fgDxJi8V7q3q3jK9XkDfFw = __cov_5fgDxJi8V7q3q3jK9XkDfFw['test.js'];
Using AI Code Generation
1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var code = 'var x = 1;';4var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');5console.log(instrumentedCode);6var mocha = require('mocha');7var runner = new mocha.Runner();8var reporter = new mocha.reporters.Base(runner);9var test = new mocha.Test('test', function() {10 console.log('test');11});12runner.addTest(test);13runner.run(function(failures) {14 console.log('done');15});
Using AI Code Generation
1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var code = 'function hello() { return "hello"; }';4instrumenter.instrument(code, 'test.js', function(err, instrumentedCode) {5 console.log(instrumentedCode);6});7var istanbul = require('istanbul');8var instrumenter = new istanbul.Instrumenter();9var code = 'function hello() { return "hello"; }';10instrumenter.instrument(code, 'test2.js', function(err, instrumentedCode) {11 console.log(instrumentedCode);12});13var istanbul = require('istanbul');14var instrumenter = new istanbul.Instrumenter();15var code = 'function hello() { return "hello"; }';16instrumenter.instrument(code, 'test3.js', function(err, instrumentedCode) {17 console.log(instrumentedCode);18});19var istanbul = require('istanbul');20var instrumenter = new istanbul.Instrumenter();21var code = 'function hello() { return "hello"; }';22instrumenter.instrument(code, 'test4.js', function(err, instrumentedCode) {23 console.log(instrumentedCode);24});25var istanbul = require('istanbul');26var instrumenter = new istanbul.Instrumenter();27var code = 'function hello() { return "hello"; }';28instrumenter.instrument(code, 'test5.js', function(err, instrumentedCode) {29 console.log(instrumentedCode);30});31var istanbul = require('istanbul');32var instrumenter = new istanbul.Instrumenter();33var code = 'function hello() { return "hello"; }';34instrumenter.instrument(code, 'test6.js', function(err, instrumentedCode) {35 console.log(instrumentedCode);36});37var istanbul = require('
Using AI Code Generation
1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3var reporter = new istanbul.Reporter();4var sync = false;5var data = require('./coverage.json');6collector.add(data);7reporter.add('text');8reporter.addAll(['html', 'lcov']);9reporter.write(collector, sync, function () {10 console.log('All reports generated');11});
Using AI Code Generation
1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3instrumenter.instrument(code, 'test.js', function (err, instrumentedCode) {4 console.log(instrumentedCode);5});6var istanbul = require('istanbul');7var instrumenter = new istanbul.Instrumenter();8instrumenter.instrument(code, 'test.js', function (err, instrumentedCode) {9 console.log(instrumentedCode);10});11var istanbul = require('istanbul');12var instrumenter = new istanbul.Instrumenter();13instrumenter.instrument(code, 'test.js', function (err, instrumentedCode) {14 console.log(instrumentedCode);15});16var istanbul = require('istanbul');17var instrumenter = new istanbul.Instrumenter();18instrumenter.instrument(code, 'test.js', function (err, instrumentedCode) {19 console.log(instrumentedCode);20});21var istanbul = require('istanbul');22var instrumenter = new istanbul.Instrumenter();23instrumenter.instrument(code, 'test.js', function (err, instrumentedCode) {24 console.log(instrumentedCode);25});26var istanbul = require('istanbul');27var instrumenter = new istanbul.Instrumenter();28instrumenter.instrument(code, 'test.js', function (err, instrumentedCode) {29 console.log(instrumentedCode);30});
Using AI Code Generation
1var coverage = require('istanbul');2var instrumenter = new coverage.Instrumenter();3var code = 'function fn() { return 1; }';4var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');5eval(instrumentedCode);6console.log(fn());7var coverage = require('istanbul');8var instrumenter = new coverage.Instrumenter();9var code = 'function fn() { return 1; }';10var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');11eval(instrumentedCode);12console.log(fn());13var coverage = require('istanbul');14var instrumenter = new coverage.Instrumenter();15var code = 'function fn() { return 1; }';16var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');17eval(instrumentedCode);18console.log(fn());19var coverage = require('istanbul');20var instrumenter = new coverage.Instrumenter();21var code = 'function fn() { return 1; }';22var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');23eval(instrumentedCode);24console.log(fn());25var coverage = require('istanbul');26var instrumenter = new coverage.Instrumenter();27var code = 'function fn() { return 1; }';28var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');29eval(instrumentedCode);30console.log(fn());31var coverage = require('istanbul');32var instrumenter = new coverage.Instrumenter();33var code = 'function fn() { return 1; }';34var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');35eval(instrumentedCode);36console.log(fn());37var coverage = require('istanbul');38var instrumenter = new coverage.Instrumenter();39var code = 'function fn() { return 1; }';40var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');
Using AI Code Generation
1var instrumenter = new istanbul.Instrumenter();2var code = instrumenter.instrumentSync(fs.readFileSync('test.js', 'utf8'), 'test.js');3fs.writeFileSync('test.js', code);4var instrumenter = new istanbul.Instrumenter();5var code = instrumenter.instrumentSync(fs.readFileSync('test.js', 'utf8'), 'test.js');6fs.writeFileSync('test.js', code);7var instrumenter = new istanbul.Instrumenter();8var code = instrumenter.instrumentSync(fs.readFileSync('test.js', 'utf8'), 'test.js');9fs.writeFileSync('test.js', code);10var instrumenter = new istanbul.Instrumenter();11var code = instrumenter.instrumentSync(fs.readFileSync('test.js', 'utf8'), 'test.js');12fs.writeFileSync('test.js', code);13var instrumenter = new istanbul.Instrumenter();14var code = instrumenter.instrumentSync(fs.readFileSync('test.js', 'utf8'), 'test.js');15fs.writeFileSync('test.js', code);16var instrumenter = new istanbul.Instrumenter();17var code = instrumenter.instrumentSync(fs.readFileSync('test.js', 'utf8'), 'test.js');18fs.writeFileSync('test.js', code);19var instrumenter = new istanbul.Instrumenter();20var code = instrumenter.instrumentSync(fs.readFileSync('test.js', 'utf8'), 'test.js');21fs.writeFileSync('test.js', code);22var instrumenter = new istanbul.Instrumenter();23var code = instrumenter.instrumentSync(fs.readFileSync('test
Using AI Code Generation
1require( 'istanbul' ).Instrumenter.prototype.fn = function (name, node) {2 return 'function ' + name + '() {}';3};4var istanbul = require( 'istanbul' );5var instrumenter = new istanbul.Instrumenter();6instrumenter.instrument('some code', 'someFile.js', function(err, instrumented) {7 if (err) {8 console.error(err);9 }10 else {11 console.log(instrumented);12 }13});14var istanbul = require( 'istanbul' );15var instrumenter = new istanbul.Instrumenter();16var code = 'var a = 1;';17var result = instrumenter.instrumentSync(code, 'someFile.js');18console.log(result);19var istanbul = require( 'istanbul' );20var instrumenter = new istanbul.Instrumenter({21});22var istanbul = require( 'istanbul' );23var instrumenter = new istanbul.Instrumenter({24});25var code = 'var a = 1;';26var result = instrumenter.instrumentSync(code, 'someFile.js');27console.log(result);28var istanbul = require( 'istanbul' );29var instrumenter = new istanbul.Instrumenter({30});31var istanbul = require( 'istanbul' );32var instrumenter = new istanbul.Instrumenter({33});34var code = 'var a = 1;';35var result = instrumenter.instrumentSync(code, 'someFile.js');36console.log(result);37var istanbul = require( 'istanbul' );38var instrumenter = new istanbul.Instrumenter({39});40var istanbul = require( 'istanbul' );41var instrumenter = new istanbul.Instrumenter({42});43var code = 'var a = 1;';44var result = instrumenter.instrumentSync(code, 'someFile.js');
Automation Testing Tutorials
Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
LambdaTest Learning Hubs:
- JUnit Tutorial
- TestNG Tutorial
- Webdriver Tutorial
- WebDriverIO Tutorial
- Protractor Tutorial
- Selenium 4 Tutorial
- Jenkins Tutorial
- NUnit Tutorial
- Jest Tutorial
- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
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