fix(lint): adhere to strict triple equality check

src/app/examples/custom-angularComponentEditor.ts

@@ -161,7 +161,7 @@ export class CustomAngularComponentEditor implements Editor {
   }
 
   isValueChanged() {
-    return (!(this.componentRef.instance.selectedId === '' && this.defaultId == null)) && (this.componentRef.instance.selectedId !== this.defaultId);
+    return (!(this.componentRef.instance.selectedId === '' && (this.defaultId === null || this.defaultId === undefined))) && (this.componentRef.instance.selectedId !== this.defaultId);
   }
 
   validate(): EditorValidatorOutput {

src/app/examples/grid-editor.component.ts

@@ -41,7 +41,7 @@ const myCustomTitleValidator: EditorValidator = (value: any, args: EditorArgs) =
   // don't use "editor" property since that one is what SlickGrid uses internally by it's editor factory
   const columnEditor = args && args.column && args.column.internalColumnEditor;
 
-  if (value == null || value === undefined || !value.length) {
+  if (value === null || value === undefined || !value.length) {
     return { valid: false, msg: 'This is a required field' };
   } else if (!/^Task\s\d+$/.test(value)) {
     return { valid: false, msg: 'Your title is invalid, it must start with "Task" followed by a number' };
@@ -644,6 +644,7 @@ export class GridEditorComponent implements OnInit {
 
   undo() {
     const command = this._commandQueue.pop();
+    const item = this.angularGrid.dataView.getItem(command.row);
     if (command && Slick.GlobalEditorLock.cancelCurrentEdit()) {
       command.undo();
       this.gridObj.gotoCell(command.row, command.cell, false);

src/app/modules/angular-slickgrid/aggregators/avgAggregator.ts

@@ -19,7 +19,7 @@ export class AvgAggregator implements Aggregator {
   accumulate(item: any) {
     const val = (item && item.hasOwnProperty(this._field)) ? item[this._field] : null;
     this._count++;
-    if (val != null && val !== '' && !isNaN(val)) {
+    if (val !== null && val !== undefined && val !== '' && !isNaN(val)) {
       this._nonNullCount++;
       this._sum += parseFloat(val);
     }

src/app/modules/angular-slickgrid/aggregators/maxAggregator.ts

@@ -14,8 +14,8 @@ export class MaxAggregator implements Aggregator {
 
   accumulate(item: any) {
     const val = (item && item.hasOwnProperty(this._field)) ? item[this._field] : null;
-    if (val != null && val !== '' && !isNaN(val)) {
-      if (this._max == null || val > this._max) {
+    if (val !== null && val !== undefined && val !== '' && !isNaN(val)) {
+      if (this._max === null || this._max === undefined || val > this._max) {
         this._max = parseFloat(val);
       }
     }

src/app/modules/angular-slickgrid/aggregators/minAggregator.ts

@@ -14,8 +14,8 @@ export class MinAggregator implements Aggregator {
 
   accumulate(item: any) {
     const val = (item && item.hasOwnProperty(this._field)) ? item[this._field] : null;
-    if (val != null && val !== '' && !isNaN(val)) {
-      if (this._min == null || val < this._min) {
+    if (val !== null && val !== undefined && val !== '' && !isNaN(val)) {
+      if (this._min === null || this._min === undefined || val < this._min) {
         this._min = parseFloat(val);
       }
     }

src/app/modules/angular-slickgrid/aggregators/sumAggregator.ts

@@ -14,7 +14,7 @@ export class SumAggregator implements Aggregator {
 
   accumulate(item: any) {
     const val = (item && item.hasOwnProperty(this._field)) ? item[this._field] : null;
-    if (val != null && val !== '' && !isNaN(val)) {
+    if (val !== null && val !== undefined && val !== '' && !isNaN(val)) {
       this._sum += parseFloat(val);
     }
   }

src/app/modules/angular-slickgrid/grouping-formatters/avgTotalsDollarFormatter.ts

@@ -14,7 +14,7 @@ export const avgTotalsDollarFormatter: GroupTotalsFormatter = (totals: any, colu
   const thousandSeparator = getValueFromParamsOrFormatterOptions('thousandSeparator', columnDef, grid, '');
   const displayNegativeNumberWithParentheses = getValueFromParamsOrFormatterOptions('displayNegativeNumberWithParentheses', columnDef, grid, false);
 
-  if (val != null && !isNaN(+val)) {
+  if (val !== null && val !== undefined && !isNaN(+val)) {
     const formattedNumber = formatNumber(val, minDecimal, maxDecimal, displayNegativeNumberWithParentheses, '$', '', decimalSeparator, thousandSeparator);
     return `${prefix}${formattedNumber}${suffix}`;
   }

src/app/modules/angular-slickgrid/grouping-formatters/avgTotalsFormatter.ts

@@ -14,7 +14,7 @@ export const avgTotalsFormatter: GroupTotalsFormatter = (totals: any, columnDef:
   const thousandSeparator = getValueFromParamsOrFormatterOptions('thousandSeparator', columnDef, grid, '');
   const displayNegativeNumberWithParentheses = getValueFromParamsOrFormatterOptions('displayNegativeNumberWithParentheses', columnDef, grid, false);
 
-  if (val != null && !isNaN(+val)) {
+  if (val !== null && val !== undefined && !isNaN(+val)) {
     if (val < 0) {
       val = Math.abs(val);
       if (!displayNegativeNumberWithParentheses) {

src/app/modules/angular-slickgrid/grouping-formatters/avgTotalsPercentageFormatter.ts

@@ -14,7 +14,7 @@ export const avgTotalsPercentageFormatter: GroupTotalsFormatter = (totals: any,
   const thousandSeparator = getValueFromParamsOrFormatterOptions('thousandSeparator', columnDef, grid, '');
   const displayNegativeNumberWithParentheses = getValueFromParamsOrFormatterOptions('displayNegativeNumberWithParentheses', columnDef, grid, false);
 
-  if (val != null && !isNaN(+val)) {
+  if (val !== null && val !== undefined && !isNaN(+val)) {
     if (val < 0) {
       val = Math.abs(val);
       if (!displayNegativeNumberWithParentheses) {

src/app/modules/angular-slickgrid/grouping-formatters/maxTotalsFormatter.ts

@@ -14,7 +14,7 @@ export const maxTotalsFormatter: GroupTotalsFormatter = (totals: any, columnDef:
   const thousandSeparator = getValueFromParamsOrFormatterOptions('thousandSeparator', columnDef, grid, '');
   const displayNegativeNumberWithParentheses = getValueFromParamsOrFormatterOptions('displayNegativeNumberWithParentheses', columnDef, grid, false);
 
-  if (val != null && !isNaN(+val)) {
+  if (val !== null && val !== undefined && !isNaN(+val)) {
     const formattedNumber = formatNumber(val, minDecimal, maxDecimal, displayNegativeNumberWithParentheses, '', '', decimalSeparator, thousandSeparator);
     return `${prefix}${formattedNumber}${suffix}`;
   }

src/app/modules/angular-slickgrid/grouping-formatters/minTotalsFormatter.ts

@@ -14,7 +14,7 @@ export const minTotalsFormatter: GroupTotalsFormatter = (totals: any, columnDef:
   const thousandSeparator = getValueFromParamsOrFormatterOptions('thousandSeparator', columnDef, grid, '');
   const displayNegativeNumberWithParentheses = getValueFromParamsOrFormatterOptions('displayNegativeNumberWithParentheses', columnDef, grid, false);
 
-  if (val != null && !isNaN(+val)) {
+  if (val !== null && val !== undefined && !isNaN(+val)) {
     const formattedNumber = formatNumber(val, minDecimal, maxDecimal, displayNegativeNumberWithParentheses, '', '', decimalSeparator, thousandSeparator);
     return `${prefix}${formattedNumber}${suffix}`;
   }

src/app/modules/angular-slickgrid/grouping-formatters/sumTotalsBoldFormatter.ts

@@ -14,7 +14,7 @@ export const sumTotalsBoldFormatter: GroupTotalsFormatter = (totals: any, column
   const thousandSeparator = getValueFromParamsOrFormatterOptions('thousandSeparator', columnDef, grid, '');
   const displayNegativeNumberWithParentheses = getValueFromParamsOrFormatterOptions('displayNegativeNumberWithParentheses', columnDef, grid, false);
 
-  if (val != null && !isNaN(+val)) {
+  if (val !== null && val !== undefined && !isNaN(+val)) {
     const formattedNumber = formatNumber(val, minDecimal, maxDecimal, displayNegativeNumberWithParentheses, '', '', decimalSeparator, thousandSeparator);
     return `<b>${prefix}${formattedNumber}${suffix}</b>`;
   }

src/app/modules/angular-slickgrid/grouping-formatters/sumTotalsColoredFormatter.ts

@@ -14,7 +14,7 @@ export const sumTotalsColoredFormatter: GroupTotalsFormatter = (totals: any, col
   const thousandSeparator = getValueFromParamsOrFormatterOptions('thousandSeparator', columnDef, grid, '');
   const displayNegativeNumberWithParentheses = getValueFromParamsOrFormatterOptions('displayNegativeNumberWithParentheses', columnDef, grid, false);
 
-  if (val != null && !isNaN(+val)) {
+  if (val !== null && val !== undefined && !isNaN(+val)) {
     const colorStyle = (val >= 0) ? 'green' : 'red';
     const formattedNumber = formatNumber(val, minDecimal, maxDecimal, displayNegativeNumberWithParentheses, '', '', decimalSeparator, thousandSeparator);
     return `<span style="color:${colorStyle}">${prefix}${formattedNumber}${suffix}</span>`;

src/app/modules/angular-slickgrid/grouping-formatters/sumTotalsDollarBoldFormatter.ts

@@ -14,7 +14,7 @@ export const sumTotalsDollarBoldFormatter: GroupTotalsFormatter = (totals: any,
   const thousandSeparator = getValueFromParamsOrFormatterOptions('thousandSeparator', columnDef, grid, '');
   const displayNegativeNumberWithParentheses = getValueFromParamsOrFormatterOptions('displayNegativeNumberWithParentheses', columnDef, grid, false);
 
-  if (val != null && !isNaN(+val)) {
+  if (val !== null && val !== undefined && !isNaN(+val)) {
     const formattedNumber = formatNumber(val, minDecimal, maxDecimal, displayNegativeNumberWithParentheses, '$', '', decimalSeparator, thousandSeparator);
     return `<b>${prefix}${formattedNumber}${suffix}</b>`;
   }

src/app/modules/angular-slickgrid/grouping-formatters/sumTotalsDollarColoredBoldFormatter.ts

@@ -14,7 +14,7 @@ export const sumTotalsDollarColoredBoldFormatter: GroupTotalsFormatter = (totals
   const thousandSeparator = getValueFromParamsOrFormatterOptions('thousandSeparator', columnDef, grid, '');
   const displayNegativeNumberWithParentheses = getValueFromParamsOrFormatterOptions('displayNegativeNumberWithParentheses', columnDef, grid, false);
 
-  if (val != null && !isNaN(+val)) {
+  if (val !== null && val !== undefined && !isNaN(+val)) {
     const colorStyle = (val >= 0) ? 'green' : 'red';
     const formattedNumber = formatNumber(val, minDecimal, maxDecimal, displayNegativeNumberWithParentheses, '$', '', decimalSeparator, thousandSeparator);
     return `<span style="color:${colorStyle}; font-weight: bold;">${prefix}${formattedNumber}${suffix}</span>`;

src/app/modules/angular-slickgrid/grouping-formatters/sumTotalsDollarColoredFormatter.ts

@@ -14,7 +14,7 @@ export const sumTotalsDollarColoredFormatter: GroupTotalsFormatter = (totals: an
   const thousandSeparator = getValueFromParamsOrFormatterOptions('thousandSeparator', columnDef, grid, '');
   const displayNegativeNumberWithParentheses = getValueFromParamsOrFormatterOptions('displayNegativeNumberWithParentheses', columnDef, grid, false);
 
-  if (val != null && !isNaN(+val)) {
+  if (val !== null && val !== undefined && !isNaN(+val)) {
     const colorStyle = (val >= 0) ? 'green' : 'red';
     const formattedNumber = formatNumber(val, minDecimal, maxDecimal, displayNegativeNumberWithParentheses, '$', '', decimalSeparator, thousandSeparator);
     return `<span style="color:${colorStyle}">${prefix}${formattedNumber}${suffix}</span>`;

src/app/modules/angular-slickgrid/grouping-formatters/sumTotalsDollarFormatter.ts

@@ -14,7 +14,7 @@ export const sumTotalsDollarFormatter: GroupTotalsFormatter = (totals: any, colu
   const thousandSeparator = getValueFromParamsOrFormatterOptions('thousandSeparator', columnDef, grid, '');
   const displayNegativeNumberWithParentheses = getValueFromParamsOrFormatterOptions('displayNegativeNumberWithParentheses', columnDef, grid, false);
 
-  if (val != null && !isNaN(+val)) {
+  if (val !== null && val !== undefined && !isNaN(+val)) {
     const formattedNumber = formatNumber(val, minDecimal, maxDecimal, displayNegativeNumberWithParentheses, '$', '', decimalSeparator, thousandSeparator);
     return `${prefix}${formattedNumber}${suffix}`;
   }

src/app/modules/angular-slickgrid/grouping-formatters/sumTotalsFormatter.ts

@@ -14,7 +14,7 @@ export const sumTotalsFormatter: GroupTotalsFormatter = (totals: any, columnDef:
   const thousandSeparator = getValueFromParamsOrFormatterOptions('thousandSeparator', columnDef, grid, '');
   const displayNegativeNumberWithParentheses = getValueFromParamsOrFormatterOptions('displayNegativeNumberWithParentheses', columnDef, grid, false);
 
-  if (val != null && !isNaN(+val)) {
+  if (val !== null && val !== undefined && !isNaN(+val)) {
     const formattedNumber = formatNumber(val, minDecimal, maxDecimal, displayNegativeNumberWithParentheses, '', '', decimalSeparator, thousandSeparator);
     return `${prefix}${formattedNumber}${suffix}`;
   }

src/app/modules/angular-slickgrid/services/__tests__/excelExport.service.spec.ts

@@ -25,7 +25,7 @@ const myUppercaseFormatter: Formatter = (row, cell, value, columnDef, dataContex
 const myUppercaseGroupTotalFormatter: GroupTotalsFormatter = (totals: any, columnDef: Column) => {
   const field = columnDef.field || '';
   const val = totals.sum && totals.sum[field];
-  if (val != null && !isNaN(+val)) {
+  if (val !== null && val !== undefined && !isNaN(+val)) {
     return `Custom: ${val}`;
   }
   return '';

src/app/modules/angular-slickgrid/services/excelExport.service.ts

@@ -446,9 +446,9 @@ export class ExcelExportService {
     // loop through all the grid rows of data
     for (let rowNumber = 0; rowNumber < lineCount; rowNumber++) {
       const itemObj = this._dataView.getItem(rowNumber);
-      if (itemObj != null) {
+      if (itemObj) {
         // Normal row (not grouped by anything) would have an ID which was predefined in the Grid Columns definition
-        if (itemObj[this.datasetIdName] != null) {
+        if (itemObj[this.datasetIdName] !== null && itemObj[this.datasetIdName] !== undefined) {
           // get regular row item data
           originalDaraArray.push(this.readRegularRowData(columns, rowNumber, itemObj));
         } else if (this._hasGroupedItems && itemObj.__groupTotals === undefined) {

src/app/modules/angular-slickgrid/services/export.service.ts

@@ -229,9 +229,9 @@ export class ExportService {
     // loop through all the grid rows of data
     for (let rowNumber = 0; rowNumber < lineCount; rowNumber++) {
       const itemObj = this._dataView.getItem(rowNumber);
-      if (itemObj != null) {
+      if (itemObj) {
         // Normal row (not grouped by anything) would have an ID which was predefined in the Grid Columns definition
-        if (itemObj[this.datasetIdName] != null) {
+        if (itemObj[this.datasetIdName] !== null && itemObj[this.datasetIdName] !== undefined) {
           // get regular row item data
           outputDataStrings.push(this.readRegularRowData(columns, rowNumber, itemObj));
         } else if (this._hasGroupedItems && itemObj.__groupTotals === undefined) {

src/assets/lib/multiple-select/multiple-select.js

@@ -403,7 +403,7 @@
       }).off('keyup').on('keyup', function (e) {
         // enter or space
         // Avoid selecting/deselecting if no choices made
-        if (that.options.filterAcceptOnEnter && (e.which === 13 || e.which == 32) && that.$searchInput.val()) {
+        if (that.options.filterAcceptOnEnter && (e.which === 13 || e.which === 32) && that.$searchInput.val()) {
           that.$selectAll.click();
           that.close();
           that.focus();