Preparing for jQuery 3: size() -> length (elastic#15648)

Per https://api.jquery.com/size/ - .size() is deprecated,
and should be changed to .length

Making this change alone already makes Kibana run with jQuery master.

src/core_plugins/kibana/public/field_formats/__tests__/_url.js

@@ -28,10 +28,10 @@ describe('Url Format', function () {
 
       const $a = unwrap($(url.convert('http://elastic.co', 'html')));
       expect($a.is('a')).to.be(true);
-      expect($a.size()).to.be(1);
+      expect($a.length).to.be(1);
       expect($a.attr('href')).to.be('http://elastic.co');
       expect($a.attr('target')).to.be('_blank');
-      expect($a.children().size()).to.be(0);
+      expect($a.children().length).to.be(0);
     });
 
     it('outputs a <a> link with target=_self if "open link in current tab" is checked', function () {
@@ -55,10 +55,10 @@ describe('Url Format', function () {
         const url = new Url({ urlTemplate: 'http://{{ value }}' });
         const $a = unwrap($(url.convert('url', 'html')));
         expect($a.is('a')).to.be(true);
-        expect($a.size()).to.be(1);
+        expect($a.length).to.be(1);
         expect($a.attr('href')).to.be('http://url');
         expect($a.attr('target')).to.be('_blank');
-        expect($a.children().size()).to.be(0);
+        expect($a.children().length).to.be(0);
       });
 
       it('only outputs the url if the contentType === "text"', function () {
@@ -72,7 +72,7 @@ describe('Url Format', function () {
         const url = new Url({ labelTemplate: 'extension: {{ value }}', urlTemplate: 'http://www.{{value}}.com' });
         const $a = unwrap($(url.convert('php', 'html')));
         expect($a.is('a')).to.be(true);
-        expect($a.size()).to.be(1);
+        expect($a.length).to.be(1);
         expect($a.attr('href')).to.be('http://www.php.com');
         expect($a.html()).to.be('extension: php');
       });

src/core_plugins/table_vis/public/__tests__/_table_vis.js

@@ -92,7 +92,7 @@ describe('Integration', function () {
 
     $rootScope.$on('renderComplete', () => {
       const $atg = $el.find('kbn-agg-table-group').first();
-      expect($atg.size()).to.be(1);
+      expect($atg.length).to.be(1);
       expect($atg.attr('group')).to.be('tableGroups');
       expect($atg.isolateScope().group).to.be($atg.scope().tableGroups);
     });
@@ -103,10 +103,10 @@ describe('Integration', function () {
     init(new OneRangeVis(), { hits: { total: 0, hits: [] } });
 
     $rootScope.$on('renderComplete', () => {
-      expect($el.find('kbn-agg-table-group').size()).to.be(0);
+      expect($el.find('kbn-agg-table-group').length).to.be(0);
 
       const $err = $el.find('.table-vis-error');
-      expect($err.size()).to.be(1);
+      expect($err.length).to.be(1);
       expect($err.text().trim()).to.be('No results found');
     });
   });
@@ -128,10 +128,10 @@ describe('Integration', function () {
     init(new ThreeTermVis(visParams), resp);
 
     $rootScope.$on('renderComplete', () => {
-      expect($el.find('kbn-agg-table-group').size()).to.be(0);
+      expect($el.find('kbn-agg-table-group').length).to.be(0);
 
       const $err = $el.find('.table-vis-error');
-      expect($err.size()).to.be(1);
+      expect($err.length).to.be(1);
       expect($err.text().trim()).to.be('No results found');
     });
   });

src/ui/public/agg_response/point_series/__tests__/_tooltip_formatter.js

@@ -46,7 +46,7 @@ describe('tooltipFormatter', function () {
     const event = _.cloneDeep(baseEvent);
     const $el = $(tooltipFormatter(event));
     const $rows = $el.find('tr');
-    expect($rows.size()).to.be(3);
+    expect($rows.length).to.be(3);
 
     const $row1 = $rows.eq(0).find('td');
     expect(cell($row1, 0)).to.be('inner');

src/ui/public/agg_table/__tests__/_group.js

@@ -45,7 +45,7 @@ describe('AggTableGroup Directive', function () {
     $scope.$digest();
 
     // should create one sub-tbale
-    expect($el.find('kbn-agg-table').size()).to.be(1);
+    expect($el.find('kbn-agg-table').length).to.be(1);
   });
 
   it('renders nothing if the table list is empty', function () {
@@ -59,7 +59,7 @@ describe('AggTableGroup Directive', function () {
     $scope.$digest();
 
     const $subTables = $el.find('kbn-agg-table');
-    expect($subTables.size()).to.be(0);
+    expect($subTables.length).to.be(0);
   });
 
   it('renders a complex response properly', function () {
@@ -82,10 +82,10 @@ describe('AggTableGroup Directive', function () {
     $scope.$digest();
 
     const $subTables = $el.find('kbn-agg-table');
-    expect($subTables.size()).to.be(3);
+    expect($subTables.length).to.be(3);
 
     const $subTableHeaders = $el.find('.agg-table-group-header');
-    expect($subTableHeaders.size()).to.be(3);
+    expect($subTableHeaders.length).to.be(3);
 
     $subTableHeaders.each(function (i) {
       expect($(this).text()).to.be(group.tables[i].title);

src/ui/public/agg_table/__tests__/_table.js

@@ -44,8 +44,8 @@ describe('AggTable Directive', function () {
     const $el = $compile('<kbn-agg-table table="table"></kbn-agg-table>')($scope);
     $scope.$digest();
 
-    expect($el.find('tbody').size()).to.be(1);
-    expect($el.find('td').size()).to.be(1);
+    expect($el.find('tbody').length).to.be(1);
+    expect($el.find('td').length).to.be(1);
     expect($el.find('td').text()).to.eql(1000);
   });
 
@@ -54,7 +54,7 @@ describe('AggTable Directive', function () {
     const $el = $compile('<kbn-agg-table table="table"></kbn-agg-table>')($scope);
     $scope.$digest();
 
-    expect($el.find('tbody').size()).to.be(0);
+    expect($el.find('tbody').length).to.be(0);
   });
 
   it('renders a complex response properly', function () {
@@ -76,10 +76,10 @@ describe('AggTable Directive', function () {
     $compile($el)($scope);
     $scope.$digest();
 
-    expect($el.find('tbody').size()).to.be(1);
+    expect($el.find('tbody').length).to.be(1);
 
     const $rows = $el.find('tbody tr');
-    expect($rows.size()).to.be.greaterThan(0);
+    expect($rows.length).to.be.greaterThan(0);
 
     function validBytes(str) {
       expect(str).to.match(/^\d+$/);
@@ -90,7 +90,7 @@ describe('AggTable Directive', function () {
     $rows.each(function () {
       // 6 cells in every row
       const $cells = $(this).find('td');
-      expect($cells.size()).to.be(6);
+      expect($cells.length).to.be(6);
 
       const txts = $cells.map(function () {
         return $(this).text().trim();
@@ -144,13 +144,13 @@ describe('AggTable Directive', function () {
       $compile($el)($scope);
       $scope.$digest();
 
-      expect($el.find('tfoot').size()).to.be(1);
+      expect($el.find('tfoot').length).to.be(1);
 
       const $rows = $el.find('tfoot tr');
-      expect($rows.size()).to.be(1);
+      expect($rows.length).to.be(1);
 
       const $cells = $($rows[0]).find('th');
-      expect($cells.size()).to.be(6);
+      expect($cells.length).to.be(6);
 
       for (let i = 0; i < 6; i++) {
         expect($($cells[i]).text()).to.be(expected[i]);

src/ui/public/directives/paginate.js

@@ -10,13 +10,13 @@ uiModules.get('kibana')
       link: {
         pre: function ($scope, $el, attrs) {
           if (_.isUndefined(attrs.bottomControls)) attrs.bottomControls = true;
-          if ($el.find('paginate-controls.paginate-bottom').size() === 0 && attrs.bottomControls) {
+          if ($el.find('paginate-controls.paginate-bottom').length === 0 && attrs.bottomControls) {
             $el.append($compile('<paginate-controls class="paginate-bottom">')($scope));
           }
         },
         post: function ($scope, $el, attrs) {
           if (_.isUndefined(attrs.topControls)) attrs.topControls = false;
-          if ($el.find('paginate-controls.paginate-top').size() === 0 && attrs.topControls) {
+          if ($el.find('paginate-controls.paginate-top').length === 0 && attrs.topControls) {
             $el.prepend($compile('<paginate-controls class="paginate-top">')($scope));
           }
 

src/ui/public/doc_table/components/table_row.js

@@ -159,7 +159,7 @@ module.directive('kbnTableRow', function ($compile, $httpParamSerializer, kbnUrl
           const $target = reuse ? $(reuse).detach() : $(html);
           $target.data('discover:html', html);
           const $before = $cells.eq(i - 1);
-          if ($before.size()) {
+          if ($before.length) {
             $before.after($target);
           } else {
             $el.append($target);

src/ui/public/jquery/__tests__/find_test_subject.js

@@ -22,8 +22,8 @@ describe('jQuery.findTestSubject', function () {
     const $otherMatch = $make('subject').appendTo($container);
 
     const $found = $container.findTestSubject('subject');
-    expect($found.filter($match).size()).to.be(1);
-    expect($found.filter($otherMatch).size()).to.be(1);
+    expect($found.filter($match).length).to.be(1);
+    expect($found.filter($otherMatch).length).to.be(1);
   });
 
   it('finds all of the elements with either subject', function () {
@@ -33,9 +33,9 @@ describe('jQuery.findTestSubject', function () {
     const $noMatch = $make('notSubject').appendTo($container);
 
     const $found = $container.findTestSubject('subject', 'alsoSubject');
-    expect($found.filter($match1).size()).to.be(1);
-    expect($found.filter($match2).size()).to.be(1);
-    expect($found.filter($noMatch).size()).to.be(0);
+    expect($found.filter($match1).length).to.be(1);
+    expect($found.filter($match2).length).to.be(1);
+    expect($found.filter($noMatch).length).to.be(0);
   });
 
   it('finds all of the elements with a decendant selector', function () {

src/ui/public/notify/notifier.js

@@ -345,7 +345,7 @@ Notifier.prototype._showFatal = function (err) {
 
   let $container = $('#fatal-splash-screen');
 
-  if (!$container.size()) {
+  if (!$container.length) {
     $(document.body)
       // in case the app has not completed boot
       .removeAttr('ng-cloak')

src/ui/public/number_list/number_list_input.js

@@ -53,7 +53,7 @@ uiModules
         function go(dir) {
           return function () {
             const $to = $get(dir);
-            if ($to.size()) $to.focus();
+            if ($to.length) $to.focus();
             else return false;
           };
         }

src/ui/public/paginated_table/__tests__/index.js

@@ -80,7 +80,7 @@ describe('paginated table', function () {
       const rows = [];
 
       renderTable(cols, rows);
-      expect($el.children().size()).to.be(0);
+      expect($el.children().length).to.be(0);
     });
 
     it('should render columns and rows', function () {
@@ -89,10 +89,10 @@ describe('paginated table', function () {
       const rows = data.rows;
 
       renderTable(cols, rows);
-      expect($el.children().size()).to.be(1);
+      expect($el.children().length).to.be(1);
       const tableRows = $el.find('tbody tr');
       // should pad rows
-      expect(tableRows.size()).to.be(defaultPerPage);
+      expect(tableRows.length).to.be(defaultPerPage);
       // should contain the row data
       expect(tableRows.eq(0).find('td').eq(0).text()).to.be(rows[0][0]);
       expect(tableRows.eq(0).find('td').eq(1).text()).to.be(rows[0][1]);
@@ -109,9 +109,9 @@ describe('paginated table', function () {
 
       renderTable(data.columns, data.rows, perPageCount);
       const tableRows = $el.find('tbody tr');
-      expect(tableRows.size()).to.be(perPageCount);
+      expect(tableRows.length).to.be(perPageCount);
       // add 2 for the first and last page links
-      expect($el.find('paginate-controls button').size()).to.be(pageCount + 2);
+      expect($el.find('paginate-controls button').length).to.be(pageCount + 2);
     });
 
     it('should not show blank rows on last page when so specified', function () {
@@ -121,23 +121,23 @@ describe('paginated table', function () {
 
       renderTable(data.columns, data.rows, perPageCount, null, false);
       const tableRows = $el.find('tbody tr');
-      expect(tableRows.size()).to.be(rowCount);
+      expect(tableRows.length).to.be(rowCount);
     });
 
     it('should not show link to top when not set', function () {
       const data = makeData(5, 5);
       renderTable(data.columns, data.rows, 10, null, false);
 
       const linkToTop = $el.find('[data-test-subj="paginateControlsLinkToTop"]');
-      expect(linkToTop.size()).to.be(0);
+      expect(linkToTop.length).to.be(0);
     });
 
     it('should show link to top when set', function () {
       const data = makeData(5, 5);
       renderTable(data.columns, data.rows, 10, null, false, true);
 
       const linkToTop = $el.find('[data-test-subj="paginateControlsLinkToTop"]');
-      expect(linkToTop.size()).to.be(1);
+      expect(linkToTop.length).to.be(1);
     });
 
   });
@@ -367,27 +367,27 @@ describe('paginated table', function () {
 
     it('should append object markup', function () {
       const tableRows = $el.find('tbody tr');
-      expect(tableRows.eq(0).find('h1').size()).to.be(0);
-      expect(tableRows.eq(1).find('h1').size()).to.be(1);
-      expect(tableRows.eq(2).find('h1').size()).to.be(0);
+      expect(tableRows.eq(0).find('h1').length).to.be(0);
+      expect(tableRows.eq(1).find('h1').length).to.be(1);
+      expect(tableRows.eq(2).find('h1').length).to.be(0);
     });
 
     it('should sort using object value', function () {
       paginatedTable.sortColumn(0);
       $scope.$digest();
       let tableRows = $el.find('tbody tr');
-      expect(tableRows.eq(0).find('h1').size()).to.be(0);
-      expect(tableRows.eq(1).find('h1').size()).to.be(0);
+      expect(tableRows.eq(0).find('h1').length).to.be(0);
+      expect(tableRows.eq(1).find('h1').length).to.be(0);
       // html row should be the last row
-      expect(tableRows.eq(2).find('h1').size()).to.be(1);
+      expect(tableRows.eq(2).find('h1').length).to.be(1);
 
       paginatedTable.sortColumn(0);
       $scope.$digest();
       tableRows = $el.find('tbody tr');
       // html row should be the first row
-      expect(tableRows.eq(0).find('h1').size()).to.be(1);
-      expect(tableRows.eq(1).find('h1').size()).to.be(0);
-      expect(tableRows.eq(2).find('h1').size()).to.be(0);
+      expect(tableRows.eq(0).find('h1').length).to.be(1);
+      expect(tableRows.eq(1).find('h1').length).to.be(0);
+      expect(tableRows.eq(2).find('h1').length).to.be(0);
     });
   });
 });

src/ui/public/resize_checker/resize_checker.js

@@ -12,7 +12,7 @@ export function ResizeCheckerProvider(Private) {
     // so we wrap in jQuery then extract the element
     const $el = $(el);
 
-    if ($el.size() !== 1) {
+    if ($el.length !== 1) {
       throw new TypeError('ResizeChecker must be constructed with a single DOM element.');
     }
 

src/ui/public/vis/components/tooltip/position_tooltip.js

@@ -19,7 +19,7 @@ export function positionTooltip(opts, html) {
   const prev = $chart.data('previousPlacement') || {};
   const event = opts.event;
 
-  if (!$chart.size() || !$el.size()) return;
+  if (!$chart.length || !$el.length) return;
 
   const size = getTtSize(html || $el.html(), $sizer);
   const pos = getBasePosition(size, event);

src/ui/public/vis/components/tooltip/tooltip.js

@@ -101,7 +101,7 @@ Tooltip.prototype.hide = function () {
  */
 Tooltip.prototype.$getChart = function () {
   const chart = $(this.container && this.container.node());
-  return chart.size() ? chart : false;
+  return chart.length ? chart : false;
 };
 
 /**

src/ui/public/visualize/visualization.js

@@ -165,7 +165,7 @@ uiModules
         function jQueryGetter(selector) {
           return function () {
             const $sel = $el.find(selector);
-            if ($sel.size()) return $sel;
+            if ($sel.length) return $sel;
           };
         }
       }