Fixed remaining linter warnings

25 files changed, 132 insertions, 137 deletions

diff --git a/src/client/northstar/core/BaseObject.ts b/src/client/northstar/core/BaseObject.ts
index e9e766e31..f1761e643 100644
--- a/src/client/northstar/core/BaseObject.ts
+++ b/src/client/northstar/core/BaseObject.ts
@@ -4,7 +4,7 @@ import { IDisposable } from '../utils/IDisposable'
 export class BaseObject implements IEquatable, IDisposable {
 
     public Equals(other: Object): boolean {
-        return this == other;
+        return this === other;
     }
 
     public Dispose(): void {
diff --git a/src/client/northstar/core/attribute/AttributeModel.ts b/src/client/northstar/core/attribute/AttributeModel.ts
index 124a5b45a..230bfecc8 100644
--- a/src/client/northstar/core/attribute/AttributeModel.ts
+++ b/src/client/northstar/core/attribute/AttributeModel.ts
@@ -34,7 +34,7 @@ export class ColumnAttributeModel extends AttributeModel {
     }
 
     public Equals(other: ColumnAttributeModel): boolean {
-        return this.Attribute.rawName == other.Attribute.rawName;
+        return this.Attribute.rawName === other.Attribute.rawName;
     }
 }
 
@@ -105,7 +105,7 @@ export class BackendAttributeModel extends AttributeModel {
     }
 
     public Equals(other: BackendAttributeModel): boolean {
-        return this.Id == other.Id;
+        return this.Id === other.Id;
     }
 
 }
\ No newline at end of file
diff --git a/src/client/northstar/core/attribute/AttributeTransformationModel.ts b/src/client/northstar/core/attribute/AttributeTransformationModel.ts
index cc5aa7154..f50b78d51 100644
--- a/src/client/northstar/core/attribute/AttributeTransformationModel.ts
+++ b/src/client/northstar/core/attribute/AttributeTransformationModel.ts
@@ -41,7 +41,7 @@ export class AttributeTransformationModel implements IEquatable {
     }
 
     public Equals(other: AttributeTransformationModel): boolean {
-        return this.AggregateFunction == other.AggregateFunction &&
+        return this.AggregateFunction === other.AggregateFunction &&
             this.AttributeModel.Equals(other.AttributeModel);
     }
 }
\ No newline at end of file
diff --git a/src/client/northstar/core/attribute/CalculatedAttributeModel.ts b/src/client/northstar/core/attribute/CalculatedAttributeModel.ts
index ab96c794d..0b8e0d12c 100644
--- a/src/client/northstar/core/attribute/CalculatedAttributeModel.ts
+++ b/src/client/northstar/core/attribute/CalculatedAttributeModel.ts
@@ -11,7 +11,7 @@ export class CalculatedAttributeManager {
     public static CreateBackendAttributeModel(id: string, dataType: DataType, displayName: string, codeName: string, visualizationHints: VisualizationHint[]): BackendAttributeModel {
         var filtered = this.AllCalculatedAttributes.filter(am => {
             if (am instanceof BackendAttributeModel &&
-                am.Id == id) {
+                am.Id === id) {
                 return true;
             }
             return false;
@@ -27,7 +27,7 @@ export class CalculatedAttributeManager {
     public static CreateCodeAttributeModel(code: string, codeName: string, visualizationHints: VisualizationHint[]): CodeAttributeModel {
         var filtered = this.AllCalculatedAttributes.filter(am => {
             if (am instanceof CodeAttributeModel &&
-                am.CodeName == codeName) {
+                am.CodeName === codeName) {
                 return true;
             }
             return false;
diff --git a/src/client/northstar/core/filter/FilterModel.ts b/src/client/northstar/core/filter/FilterModel.ts
index aee99d2b6..20fca77f5 100644
--- a/src/client/northstar/core/filter/FilterModel.ts
+++ b/src/client/northstar/core/filter/FilterModel.ts
@@ -46,16 +46,16 @@ export class FilterModel {
         let filtered = baseOperation.FilterModels.filter(fm => fm && fm.ValueComparisons.length > 0);
         if (!isFirst && filtered.length > 0) {
             filterModels.push(...filtered);
-            ret = "(" + baseOperation.FilterModels.filter(fm => fm != null).map(fm => fm.ToPythonString()).join(" || ") + ")";
+            ret = "(" + baseOperation.FilterModels.filter(fm => fm !== null).map(fm => fm.ToPythonString()).join(" || ") + ")";
         }
         if (Utils.isBaseFilterConsumer(baseOperation) && baseOperation.Links) {
             let children = new Array<string>();
             let linkedGraphNodes = baseOperation.Links;
             linkedGraphNodes.map(linkVm => {
                 let filterDoc = linkVm.Get(KeyStore.LinkedFromDocs);
-                if (filterDoc && filterDoc != FieldWaiting && filterDoc instanceof Document) {
+                if (filterDoc && filterDoc !== FieldWaiting && filterDoc instanceof Document) {
                     let filterHistogram = filterDoc.GetT(KeyStore.Data, HistogramField);
-                    if (filterHistogram && filterHistogram != FieldWaiting) {
+                    if (filterHistogram && filterHistogram !== FieldWaiting) {
                         if (!visitedFilterProviders.has(filterHistogram.Data)) {
                             let child = FilterModel.GetFilterModelsRecursive(filterHistogram.Data, visitedFilterProviders, filterModels, false);
                             if (child !== "") {
diff --git a/src/client/northstar/core/filter/ValueComparision.ts b/src/client/northstar/core/filter/ValueComparision.ts
index 1e729d06e..1a3e461f5 100644
--- a/src/client/northstar/core/filter/ValueComparision.ts
+++ b/src/client/northstar/core/filter/ValueComparision.ts
@@ -20,7 +20,7 @@ export class ValueComparison {
         if (this.Predicate !== (other as ValueComparison).Predicate)
             return false;
         let isComplex = (typeof this.Value === "object");
-        if (!isComplex && this.Value != (other as ValueComparison).Value)
+        if (!isComplex && this.Value !== (other as ValueComparison).Value)
             return false;
         if (isComplex && !this.Value.Equals((other as ValueComparison).Value))
             return false;
@@ -58,13 +58,13 @@ export class ValueComparison {
         var rawName = this.attributeModel.CodeName;
         switch (this.Predicate) {
             case Predicate.STARTS_WITH:
-                ret += rawName + " != null && " + rawName + ".StartsWith(" + val + ") ";
+                ret += rawName + " !== null && " + rawName + ".StartsWith(" + val + ") ";
                 return ret;
             case Predicate.ENDS_WITH:
-                ret += rawName + " != null && " + rawName + ".EndsWith(" + val + ") ";
+                ret += rawName + " !== null && " + rawName + ".EndsWith(" + val + ") ";
                 return ret;
             case Predicate.CONTAINS:
-                ret += rawName + " != null && " + rawName + ".Contains(" + val + ") ";
+                ret += rawName + " !== null && " + rawName + ".Contains(" + val + ") ";
                 return ret;
             default:
                 ret += rawName + " " + op + " " + val + " ";
diff --git a/src/client/northstar/dash-fields/HistogramField.ts b/src/client/northstar/dash-fields/HistogramField.ts
index 90be70b80..f939ccd83 100644
--- a/src/client/northstar/dash-fields/HistogramField.ts
+++ b/src/client/northstar/dash-fields/HistogramField.ts
@@ -16,7 +16,7 @@ export class HistogramField extends BasicField<HistogramOperation> {
     omitKeys(obj: any, keys: any) {
         var dup: any = {};
         for (var key in obj) {
-            if (keys.indexOf(key) == -1) {
+            if (keys.indexOf(key) === -1) {
                 dup[key] = obj[key];
             }
         }
@@ -54,13 +54,13 @@ export class HistogramField extends BasicField<HistogramOperation> {
         let schema = CurrentUserUtils.GetNorthstarSchema(jp.SchemaName);
         if (schema) {
             CurrentUserUtils.GetAllNorthstarColumnAttributes(schema).map(attr => {
-                if (attr.displayName == jp.X.AttributeModel.Attribute.DisplayName) {
+                if (attr.displayName === jp.X.AttributeModel.Attribute.DisplayName) {
                     X = new AttributeTransformationModel(new ColumnAttributeModel(attr), jp.X.AggregateFunction);
                 }
-                if (attr.displayName == jp.Y.AttributeModel.Attribute.DisplayName) {
+                if (attr.displayName === jp.Y.AttributeModel.Attribute.DisplayName) {
                     Y = new AttributeTransformationModel(new ColumnAttributeModel(attr), jp.Y.AggregateFunction);
                 }
-                if (attr.displayName == jp.V.AttributeModel.Attribute.DisplayName) {
+                if (attr.displayName === jp.V.AttributeModel.Attribute.DisplayName) {
                     V = new AttributeTransformationModel(new ColumnAttributeModel(attr), jp.V.AggregateFunction);
                 }
             });
diff --git a/src/client/northstar/dash-nodes/HistogramBinPrimitiveCollection.ts b/src/client/northstar/dash-nodes/HistogramBinPrimitiveCollection.ts
index 43e768c62..cdae90c8b 100644
--- a/src/client/northstar/dash-nodes/HistogramBinPrimitiveCollection.ts
+++ b/src/client/northstar/dash-nodes/HistogramBinPrimitiveCollection.ts
@@ -48,28 +48,28 @@ export class HistogramBinPrimitiveCollection {
 
         // adjust brush rects (stacking or not)
         var allBrushIndex = ModelHelpers.AllBrushIndex(this.histoResult);
-        var filteredBinPrims = this.BinPrimitives.filter(b => b.BrushIndex != allBrushIndex && b.DataValue != 0.0);
+        var filteredBinPrims = this.BinPrimitives.filter(b => b.BrushIndex !== allBrushIndex && b.DataValue !== 0.0);
         filteredBinPrims.reduce((sum, fbp) => {
-            if (histoBox.ChartType == ChartType.VerticalBar) {
-                if (this.histoOp.Y.AggregateFunction == AggregateFunction.Count) {
+            if (histoBox.ChartType === ChartType.VerticalBar) {
+                if (this.histoOp.Y.AggregateFunction === AggregateFunction.Count) {
                     fbp.Rect = new PIXIRectangle(fbp.Rect.x, fbp.Rect.y - sum, fbp.Rect.width, fbp.Rect.height);
                     fbp.MarginRect = new PIXIRectangle(fbp.MarginRect.x, fbp.MarginRect.y - sum, fbp.MarginRect.width, fbp.MarginRect.height);
                     return sum + fbp.Rect.height;
                 }
-                if (this.histoOp.Y.AggregateFunction == AggregateFunction.Avg) {
+                if (this.histoOp.Y.AggregateFunction === AggregateFunction.Avg) {
                     var w = fbp.Rect.width / 2.0;
                     fbp.Rect = new PIXIRectangle(fbp.Rect.x + sum, fbp.Rect.y, fbp.Rect.width / filteredBinPrims.length, fbp.Rect.height);
                     fbp.MarginRect = new PIXIRectangle(fbp.MarginRect.x - w + sum + (fbp.Rect.width / 2.0), fbp.MarginRect.y, fbp.MarginRect.width, fbp.MarginRect.height);
                     return sum + fbp.Rect.width;
                 }
             }
-            else if (histoBox.ChartType == ChartType.HorizontalBar) {
-                if (this.histoOp.X.AggregateFunction == AggregateFunction.Count) {
+            else if (histoBox.ChartType === ChartType.HorizontalBar) {
+                if (this.histoOp.X.AggregateFunction === AggregateFunction.Count) {
                     fbp.Rect = new PIXIRectangle(fbp.Rect.x + sum, fbp.Rect.y, fbp.Rect.width, fbp.Rect.height);
                     fbp.MarginRect = new PIXIRectangle(fbp.MarginRect.x + sum, fbp.MarginRect.y, fbp.MarginRect.width, fbp.MarginRect.height);
                     return sum + fbp.Rect.width;
                 }
-                if (this.histoOp.X.AggregateFunction == AggregateFunction.Avg) {
+                if (this.histoOp.X.AggregateFunction === AggregateFunction.Avg) {
                     var h = fbp.Rect.height / 2.0;
                     fbp.Rect = new PIXIRectangle(fbp.Rect.x, fbp.Rect.y + sum, fbp.Rect.width, fbp.Rect.height / filteredBinPrims.length);
                     fbp.MarginRect = new PIXIRectangle(fbp.MarginRect.x, fbp.MarginRect.y - h + sum + (fbp.Rect.height / 2.0), fbp.MarginRect.width, fbp.MarginRect.height);
@@ -79,19 +79,19 @@ export class HistogramBinPrimitiveCollection {
             return 0;
         }, 0);
         this.BinPrimitives = this.BinPrimitives.reverse();
-        var f = this.BinPrimitives.filter(b => b.BrushIndex == allBrushIndex);
+        var f = this.BinPrimitives.filter(b => b.BrushIndex === allBrushIndex);
         this.HitGeom = f.length > 0 ? f[0].Rect : PIXIRectangle.EMPTY;
     }
 
     private setupBrushing(bin: Bin, normalization: number) {
         var overlapBrushIndex = ModelHelpers.OverlapBrushIndex(this.histoResult);
         var orderedBrushes = [this.histoResult.brushes![0], this.histoResult.brushes![overlapBrushIndex]];
-        this.histoResult.brushes!.map(brush => brush.brushIndex != 0 && brush.brushIndex != overlapBrushIndex && orderedBrushes.push(brush));
+        this.histoResult.brushes!.map(brush => brush.brushIndex !== 0 && brush.brushIndex !== overlapBrushIndex && orderedBrushes.push(brush));
         return {
             orderedBrushes,
             maxAxis: orderedBrushes.reduce((prev, Brush) => {
                 let aggResult = this.getBinValue(normalization, bin, Brush.brushIndex!);
-                return aggResult != undefined && aggResult > prev ? aggResult : prev;
+                return aggResult !== undefined && aggResult > prev ? aggResult : prev;
             }, Number.MIN_VALUE)
         };
     }
@@ -99,7 +99,7 @@ export class HistogramBinPrimitiveCollection {
     private createHeatmapBinPrimitives(bin: Bin, brush: Brush, brushFactorSum: number): number {
 
         let unNormalizedValue = this.getBinValue(2, bin, brush.brushIndex!);
-        if (unNormalizedValue == undefined)
+        if (unNormalizedValue === undefined)
             return brushFactorSum;
 
         var normalizedValue = (unNormalizedValue - this._histoBox.ValueRange[0]) / (Math.abs((this._histoBox.ValueRange[1] - this._histoBox.ValueRange[0])) < HistogramBinPrimitiveCollection.TOLERANCE ?
@@ -112,7 +112,7 @@ export class HistogramBinPrimitiveCollection {
         let [yFrom, yTo] = this.sizeConverter.DataToScreenYAxisRange(this._histoBox.VisualBinRanges, 1, bin);
 
         var returnBrushFactorSum = brushFactorSum;
-        if (allUnNormalizedValue != undefined) {
+        if (allUnNormalizedValue !== undefined) {
             var brushFactor = (unNormalizedValue / allUnNormalizedValue);
             returnBrushFactorSum += brushFactor;
             returnBrushFactorSum = Math.min(returnBrushFactorSum, 1.0);
@@ -141,11 +141,11 @@ export class HistogramBinPrimitiveCollection {
 
     private createSinglePointChartBinPrimitives(bin: Bin, brush: Brush): number {
         let unNormalizedValue = this.getBinValue(2, bin, brush.brushIndex!);
-        if (unNormalizedValue != undefined) {
+        if (unNormalizedValue !== undefined) {
             let [xFrom, xTo] = this.sizeConverter.DataToScreenPointRange(0, bin, ModelHelpers.CreateAggregateKey(this.histoOp.Schema!.distinctAttributeParameters, this.histoOp.X, this.histoResult, brush.brushIndex!));
             let [yFrom, yTo] = this.sizeConverter.DataToScreenPointRange(1, bin, ModelHelpers.CreateAggregateKey(this.histoOp.Schema!.distinctAttributeParameters, this.histoOp.Y, this.histoResult, brush.brushIndex!));
 
-            if (xFrom != undefined && yFrom != undefined && xTo != undefined && yTo != undefined)
+            if (xFrom !== undefined && yFrom !== undefined && xTo !== undefined && yTo !== undefined)
                 this.createBinPrimitive(-1, brush, PIXIRectangle.EMPTY, 0, xFrom, xTo, yFrom, yTo, this.baseColorFromBrush(brush), 1, unNormalizedValue);
         }
         return 0;
@@ -153,7 +153,7 @@ export class HistogramBinPrimitiveCollection {
 
     private createVerticalBarChartBinPrimitives(bin: Bin, brush: Brush, binBrushMaxAxis: number, normalization: number): number {
         let dataValue = this.getBinValue(1, bin, brush.brushIndex!);
-        if (dataValue != undefined) {
+        if (dataValue !== undefined) {
             let [yFrom, yValue, yTo] = this.sizeConverter.DataToScreenNormalizedRange(dataValue, normalization, 1, binBrushMaxAxis);
             let [xFrom, xTo] = this.sizeConverter.DataToScreenXAxisRange(this._histoBox.VisualBinRanges, 0, bin);
 
@@ -163,14 +163,14 @@ export class HistogramBinPrimitiveCollection {
                 this.sizeConverter.DataToScreenY(yValue - yMarginAbsolute) - this.sizeConverter.DataToScreenY(yValue + yMarginAbsolute));
 
             this.createBinPrimitive(1, brush, marginRect, 0, xFrom, xTo, yFrom, yTo,
-                this.baseColorFromBrush(brush), normalization != 0 ? 1 : 0.6 * binBrushMaxAxis / this.sizeConverter.DataRanges[1] + 0.4, dataValue);
+                this.baseColorFromBrush(brush), normalization !== 0 ? 1 : 0.6 * binBrushMaxAxis / this.sizeConverter.DataRanges[1] + 0.4, dataValue);
         }
         return 0;
     }
 
     private createHorizontalBarChartBinPrimitives(bin: Bin, brush: Brush, binBrushMaxAxis: number, normalization: number): number {
         let dataValue = this.getBinValue(0, bin, brush.brushIndex!);
-        if (dataValue != undefined) {
+        if (dataValue !== undefined) {
             let [xFrom, xValue, xTo] = this.sizeConverter.DataToScreenNormalizedRange(dataValue, normalization, 0, binBrushMaxAxis);
             let [yFrom, yTo] = this.sizeConverter.DataToScreenYAxisRange(this._histoBox.VisualBinRanges, 1, bin);
 
@@ -181,15 +181,15 @@ export class HistogramBinPrimitiveCollection {
                 2.0);
 
             this.createBinPrimitive(0, brush, marginRect, 0, xFrom, xTo, yFrom, yTo,
-                this.baseColorFromBrush(brush), normalization != 1 ? 1 : 0.6 * binBrushMaxAxis / this.sizeConverter.DataRanges[0] + 0.4, dataValue);
+                this.baseColorFromBrush(brush), normalization !== 1 ? 1 : 0.6 * binBrushMaxAxis / this.sizeConverter.DataRanges[0] + 0.4, dataValue);
         }
         return 0;
     }
 
     public getBinValue(axis: number, bin: Bin, brushIndex: number) {
-        var aggregateKey = ModelHelpers.CreateAggregateKey(this.histoOp.Schema!.distinctAttributeParameters, axis == 0 ? this.histoOp.X : axis == 1 ? this.histoOp.Y : this.histoOp.V, this.histoResult, brushIndex);
+        var aggregateKey = ModelHelpers.CreateAggregateKey(this.histoOp.Schema!.distinctAttributeParameters, axis === 0 ? this.histoOp.X : axis === 1 ? this.histoOp.Y : this.histoOp.V, this.histoResult, brushIndex);
         let dataValue = ModelHelpers.GetAggregateResult(bin, aggregateKey) as DoubleValueAggregateResult;
-        return dataValue != null && dataValue.hasResult ? dataValue.result : undefined;
+        return dataValue !== null && dataValue.hasResult ? dataValue.result : undefined;
     }
 
     private getMargin(bin: Bin, brush: Brush, axis: AttributeTransformationModel) {
@@ -218,13 +218,13 @@ export class HistogramBinPrimitiveCollection {
 
     private baseColorFromBrush(brush: Brush): number {
         let bc = StyleConstants.BRUSH_COLORS;
-        if (brush.brushIndex == ModelHelpers.RestBrushIndex(this.histoResult)) {
+        if (brush.brushIndex === ModelHelpers.RestBrushIndex(this.histoResult)) {
             return StyleConstants.HIGHLIGHT_COLOR;
         }
-        else if (brush.brushIndex == ModelHelpers.OverlapBrushIndex(this.histoResult)) {
+        else if (brush.brushIndex === ModelHelpers.OverlapBrushIndex(this.histoResult)) {
             return StyleConstants.OVERLAP_COLOR;
         }
-        else if (brush.brushIndex == ModelHelpers.AllBrushIndex(this.histoResult)) {
+        else if (brush.brushIndex === ModelHelpers.AllBrushIndex(this.histoResult)) {
             return 0x00ff00;
         }
         else if (bc.length > 0) {
diff --git a/src/client/northstar/dash-nodes/HistogramBox.tsx b/src/client/northstar/dash-nodes/HistogramBox.tsx
index 5938bf9b1..c9658d741 100644
--- a/src/client/northstar/dash-nodes/HistogramBox.tsx
+++ b/src/client/northstar/dash-nodes/HistogramBox.tsx
@@ -55,7 +55,7 @@ export class HistogramBox extends React.Component<FieldViewProps> {
     dropX = (e: Event, de: DragManager.DropEvent) => {
         if (de.data instanceof DragManager.DocumentDragData) {
             let h = de.data.draggedDocuments[0].GetT(KeyStore.Data, HistogramField);
-            if (h && h != FieldWaiting) {
+            if (h && h !== FieldWaiting) {
                 this.HistoOp.X = h.Data.X;
             }
             e.stopPropagation();
@@ -66,7 +66,7 @@ export class HistogramBox extends React.Component<FieldViewProps> {
     dropY = (e: Event, de: DragManager.DropEvent) => {
         if (de.data instanceof DragManager.DocumentDragData) {
             let h = de.data.draggedDocuments[0].GetT(KeyStore.Data, HistogramField);
-            if (h && h != FieldWaiting) {
+            if (h && h !== FieldWaiting) {
                 this.HistoOp.Y = h.Data.X;
             }
             e.stopPropagation();
@@ -76,11 +76,11 @@ export class HistogramBox extends React.Component<FieldViewProps> {
 
     @action
     xLabelPointerDown = (e: React.PointerEvent) => {
-        this.HistoOp.X = new AttributeTransformationModel(this.HistoOp.X.AttributeModel, this.HistoOp.X.AggregateFunction == AggregateFunction.None ? AggregateFunction.Count : AggregateFunction.None);
+        this.HistoOp.X = new AttributeTransformationModel(this.HistoOp.X.AttributeModel, this.HistoOp.X.AggregateFunction === AggregateFunction.None ? AggregateFunction.Count : AggregateFunction.None);
     }
     @action
     yLabelPointerDown = (e: React.PointerEvent) => {
-        this.HistoOp.Y = new AttributeTransformationModel(this.HistoOp.Y.AttributeModel, this.HistoOp.Y.AggregateFunction == AggregateFunction.None ? AggregateFunction.Count : AggregateFunction.None);
+        this.HistoOp.Y = new AttributeTransformationModel(this.HistoOp.Y.AttributeModel, this.HistoOp.Y.AggregateFunction === AggregateFunction.None ? AggregateFunction.Count : AggregateFunction.None);
     }
 
     componentDidMount() {
@@ -119,7 +119,7 @@ export class HistogramBox extends React.Component<FieldViewProps> {
         if (catalog) {
             this.props.Document.GetTAsync(this.props.fieldKey, HistogramField).then((histoOp: Opt<HistogramField>) => runInAction(() => {
                 this.HistoOp = histoOp ? histoOp.Data : HistogramOperation.Empty;
-                if (this.HistoOp != HistogramOperation.Empty) {
+                if (this.HistoOp !== HistogramOperation.Empty) {
                     reaction(() => this.props.Document.GetList(KeyStore.LinkedFromDocs, []), (docs: Document[]) => this.HistoOp.Links.splice(0, this.HistoOp.Links.length, ...docs), { fireImmediately: true });
                     reaction(() => this.props.Document.GetList(KeyStore.BrushingDocs, []).length,
                         () => {
@@ -128,7 +128,7 @@ export class HistogramBox extends React.Component<FieldViewProps> {
                             this.HistoOp.BrushLinks.splice(0, this.HistoOp.BrushLinks.length, ...brushingDocs.map((brush, i) => {
                                 brush.SetNumber(KeyStore.BackgroundColor, StyleConstants.BRUSH_COLORS[i % StyleConstants.BRUSH_COLORS.length]);
                                 let brushed = brush.GetList(KeyStore.BrushingDocs, [] as Document[]);
-                                return { l: brush, b: brushed[0].Id == proto.Id ? brushed[1] : brushed[0] }
+                                return { l: brush, b: brushed[0].Id === proto.Id ? brushed[1] : brushed[0] }
                             }));
                         }, { fireImmediately: true });
                     reaction(() => this.createOperationParamsCache, () => this.HistoOp.Update(), { fireImmediately: true });
diff --git a/src/client/northstar/dash-nodes/HistogramBoxPrimitives.tsx b/src/client/northstar/dash-nodes/HistogramBoxPrimitives.tsx
index e9adb3ce5..66d31846c 100644
--- a/src/client/northstar/dash-nodes/HistogramBoxPrimitives.tsx
+++ b/src/client/northstar/dash-nodes/HistogramBoxPrimitives.tsx
@@ -44,7 +44,7 @@ export class HistogramBoxPrimitives extends React.Component<HistogramPrimitivesP
     }
 
     private getSelectionToggle(binPrimitives: HistogramBinPrimitive[], allBrushIndex: number, filterModel: FilterModel) {
-        let allBrushPrim = ArrayUtil.FirstOrDefault(binPrimitives, bp => bp.BrushIndex == allBrushIndex);
+        let allBrushPrim = ArrayUtil.FirstOrDefault(binPrimitives, bp => bp.BrushIndex === allBrushIndex);
         return !allBrushPrim ? () => { } : () => runInAction(() => {
             if (ArrayUtil.Contains(this.histoOp.FilterModels, filterModel)) {
                 this._selectedPrims.splice(this._selectedPrims.indexOf(allBrushPrim!), 1);
@@ -63,9 +63,9 @@ export class HistogramBoxPrimitives extends React.Component<HistogramPrimitivesP
         let labels = this.props.HistoBox.VisualBinRanges[axis].GetLabels();
         return labels.reduce((prims, binLabel, i) => {
             let r = this.props.HistoBox.SizeConverter.DataToScreenRange(binLabel.minValue!, binLabel.maxValue!, axis);
-            prims.push(this.drawLine(r.xFrom, r.yFrom, axis == 0 ? 0 : r.xTo - r.xFrom, axis == 0 ? r.yTo - r.yFrom : 0));
-            if (i == labels.length - 1)
-                prims.push(this.drawLine(axis == 0 ? r.xTo : r.xFrom, axis == 0 ? r.yFrom : r.yTo, axis == 0 ? 0 : r.xTo - r.xFrom, axis == 0 ? r.yTo - r.yFrom : 0));
+            prims.push(this.drawLine(r.xFrom, r.yFrom, axis === 0 ? 0 : r.xTo - r.xFrom, axis === 0 ? r.yTo - r.yFrom : 0));
+            if (i === labels.length - 1)
+                prims.push(this.drawLine(axis === 0 ? r.xTo : r.xFrom, axis === 0 ? r.yFrom : r.yTo, axis === 0 ? 0 : r.xTo - r.xFrom, axis === 0 ? r.yTo - r.yFrom : 0));
             return prims;
         }, [] as JSX.Element[]);
     }
@@ -86,8 +86,8 @@ export class HistogramBoxPrimitives extends React.Component<HistogramPrimitivesP
             xFrom += width;
             width = -width;
         }
-        let trans2Xpercent = width == 0 ? `1px` : `${(xFrom + width) / this.renderDimension * 100}%`;
-        let trans2Ypercent = height == 0 ? `1px` : `${(yFrom + height) / this.renderDimension * 100}%`;
+        let trans2Xpercent = width === 0 ? `1px` : `${(xFrom + width) / this.renderDimension * 100}%`;
+        let trans2Ypercent = height === 0 ? `1px` : `${(yFrom + height) / this.renderDimension * 100}%`;
         let line = (<div className="histogramboxprimitives-line" style={{ width: trans2Xpercent, height: trans2Ypercent, }} />);
         return this.drawEntity(xFrom, yFrom, line);
     }
@@ -102,10 +102,10 @@ export class HistogramBoxPrimitives extends React.Component<HistogramPrimitivesP
         }
         let widthPercent = r.width / this.renderDimension * 100;
         let heightPercent = r.height / this.renderDimension * 100;
-        let rect = (<div className={`histogramboxprimitives-${classExt}`} onPointerDown={(e: React.PointerEvent) => { if (e.button == 0) tapHandler() }}
+        let rect = (<div className={`histogramboxprimitives-${classExt}`} onPointerDown={(e: React.PointerEvent) => { if (e.button === 0) tapHandler() }}
             style={{
-                borderBottomStyle: barAxis == 1 ? "none" : "solid",
-                borderLeftStyle: barAxis == 0 ? "none" : "solid",
+                borderBottomStyle: barAxis === 1 ? "none" : "solid",
+                borderLeftStyle: barAxis === 0 ? "none" : "solid",
                 width: `${widthPercent}%`,
                 height: `${heightPercent}%`,
                 background: color ? `${LABColor.RGBtoHexString(color)}` : ""
diff --git a/src/client/northstar/dash-nodes/HistogramLabelPrimitives.tsx b/src/client/northstar/dash-nodes/HistogramLabelPrimitives.tsx
index 93b237deb..dd62e9146 100644
--- a/src/client/northstar/dash-nodes/HistogramLabelPrimitives.tsx
+++ b/src/client/northstar/dash-nodes/HistogramLabelPrimitives.tsx
@@ -34,7 +34,7 @@ export class HistogramLabelPrimitives extends React.Component<HistogramPrimitive
         let vb = this.props.HistoBox.VisualBinRanges;
         if (!vb.length || !sc.Initialized)
             return (null);
-        let dim = (axis == 0 ? this.props.HistoBox.PanelWidth : this.props.HistoBox.PanelHeight) / ((axis == 0 && vb[axis] instanceof NominalVisualBinRange) ?
+        let dim = (axis === 0 ? this.props.HistoBox.PanelWidth : this.props.HistoBox.PanelHeight) / ((axis === 0 && vb[axis] instanceof NominalVisualBinRange) ?
             (12 + 5) : //  (<number>FontStyles.AxisLabel.fontSize + 5)));
             sc.MaxLabelSizes[axis].coords[axis] + 5);
 
@@ -47,17 +47,17 @@ export class HistogramLabelPrimitives extends React.Component<HistogramPrimitive
                 let xStart = (axis === 0 ? r.xFrom + (r.xTo - r.xFrom) / 2.0 : r.xFrom - 10 - textWidth);
                 let yStart = (axis === 1 ? r.yFrom - textHeight / 2 : r.yFrom);
 
-                if (axis == 0 && vb[axis] instanceof NominalVisualBinRange) {
+                if (axis === 0 && vb[axis] instanceof NominalVisualBinRange) {
                     let space = (r.xTo - r.xFrom) / sc.RenderDimension * this.props.HistoBox.PanelWidth;
                     xStart += Math.max(textWidth / 2, (1 - textWidth / space) * textWidth / 2) - textHeight / 2;
                 }
 
-                let xPercent = axis == 1 ? `${xStart}px` : `${xStart / sc.RenderDimension * 100}%`
-                let yPercent = axis == 0 ? `${this.props.HistoBox.PanelHeight - sc.BottomOffset - textHeight}px` : `${yStart / sc.RenderDimension * 100}%`
+                let xPercent = axis === 1 ? `${xStart}px` : `${xStart / sc.RenderDimension * 100}%`
+                let yPercent = axis === 0 ? `${this.props.HistoBox.PanelHeight - sc.BottomOffset - textHeight}px` : `${yStart / sc.RenderDimension * 100}%`
 
                 prims.push(
                     <div className="histogramLabelPrimitives-placer" key={DashUtils.GenerateGuid()} style={{ transform: `translate(${xPercent}, ${yPercent})` }}>
-                        <div className="histogramLabelPrimitives-gridlabel" style={{ transform: `rotate(${axis == 0 ? sc.LabelAngle : 0}rad)` }}>
+                        <div className="histogramLabelPrimitives-gridlabel" style={{ transform: `rotate(${axis === 0 ? sc.LabelAngle : 0}rad)` }}>
                             {label}
                         </div>
                     </div>
diff --git a/src/client/northstar/manager/Gateway.ts b/src/client/northstar/manager/Gateway.ts
index 3e72a50ae..ba6fe2ad5 100644
--- a/src/client/northstar/manager/Gateway.ts
+++ b/src/client/northstar/manager/Gateway.ts
@@ -49,7 +49,7 @@ export class Gateway {
 
     public async Compile(data: any): Promise<CompileResults | undefined> {
         const json = await this.MakePostJsonRequest("compile", data);
-        if (json != null) {
+        if (json !== null) {
             const cr = CompileResults.fromJS(json);
             return cr;
         }
@@ -108,7 +108,7 @@ export class Gateway {
 
     public async StartOperation(data: any): Promise<OperationReference | undefined> {
         const json = await this.MakePostJsonRequest("operation", data);
-        if (json != null) {
+        if (json !== null) {
             const or = OperationReference.fromJS(json);
             return or;
         }
@@ -116,7 +116,7 @@ export class Gateway {
 
     public async GetResult(data: any): Promise<Result | undefined> {
         const json = await this.MakePostJsonRequest("result", data);
-        if (json != null) {
+        if (json !== null) {
             const res = Result.fromJS(json);
             return res;
         }
@@ -163,7 +163,7 @@ export class Gateway {
 
     public static ConstructUrl(appendix: string): string {
         let base = Settings.Instance.ServerUrl;
-        if (base.slice(-1) == "/") {
+        if (base.slice(-1) === "/") {
             base = base.slice(0, -1);
         }
         let url = base + "/" + Settings.Instance.ServerApiPath + "/" + appendix;
diff --git a/src/client/northstar/model/ModelExtensions.ts b/src/client/northstar/model/ModelExtensions.ts
index 9fcba7f1c..e4bf77ed8 100644
--- a/src/client/northstar/model/ModelExtensions.ts
+++ b/src/client/northstar/model/ModelExtensions.ts
@@ -3,23 +3,23 @@ import { Utils } from '../utils/Utils'
 
 import { FilterModel } from '../core/filter/FilterModel'
 
-(SingleDimensionAggregateParameters as any).prototype["Equals"] = function (other: Object) {
+(SingleDimensionAggregateParameters as any).prototype.Equals = function (other: Object) {
     if (!Utils.EqualityHelper(this, other)) return false;
     if (!Utils.EqualityHelper((this as SingleDimensionAggregateParameters).attributeParameters!,
         (other as SingleDimensionAggregateParameters).attributeParameters!)) return false;
-    if (!((this as SingleDimensionAggregateParameters).attributeParameters! as any)["Equals"]((other as SingleDimensionAggregateParameters).attributeParameters)) return false;
+    if (!((this as SingleDimensionAggregateParameters).attributeParameters! as any).Equals((other as SingleDimensionAggregateParameters).attributeParameters)) return false;
     return true;
 }
 
 {
-    (AttributeParameters as any).prototype["Equals"] = function (other: AttributeParameters) {
+    (AttributeParameters as any).prototype.Equals = function (other: AttributeParameters) {
         return (<any>this).constructor.name === (<any>other).constructor.name &&
             this.rawName === other.rawName;
     }
 }
 
 {
-    (Solution as any).prototype["Equals"] = function (other: Object) {
+    (Solution as any).prototype.Equals = function (other: Object) {
         if (!Utils.EqualityHelper(this, other)) return false;
         if ((this as Solution).solutionId !== (other as Solution).solutionId) return false;
         return true;
@@ -27,11 +27,11 @@ import { FilterModel } from '../core/filter/FilterModel'
 }
 
 {
-    (MarginAggregateParameters as any).prototype["Equals"] = function (other: Object) {
+    (MarginAggregateParameters as any).prototype.Equals = function (other: Object) {
         if (!Utils.EqualityHelper(this, other)) return false;
         if (!Utils.EqualityHelper((this as SingleDimensionAggregateParameters).attributeParameters!,
             (other as SingleDimensionAggregateParameters).attributeParameters!)) return false;
-        if (!((this as SingleDimensionAggregateParameters).attributeParameters! as any)["Equals"]((other as SingleDimensionAggregateParameters).attributeParameters!)) return false;
+        if (!((this as SingleDimensionAggregateParameters).attributeParameters! as any).Equals((other as SingleDimensionAggregateParameters).attributeParameters!)) return false;
 
         if ((this as MarginAggregateParameters).aggregateFunction !== (other as MarginAggregateParameters).aggregateFunction) return false;
         return true;
@@ -39,7 +39,7 @@ import { FilterModel } from '../core/filter/FilterModel'
 }
 
 {
-    (Brush as any).prototype["Equals"] = function (other: Object) {
+    (Brush as any).prototype.Equals = function (other: Object) {
         if (!Utils.EqualityHelper(this, other)) return false;
         if ((this as Brush).brushEnum !== (other as Brush).brushEnum) return false;
         if ((this as Brush).brushIndex !== (other as Brush).brushIndex) return false;
diff --git a/src/client/northstar/model/ModelHelpers.ts b/src/client/northstar/model/ModelHelpers.ts
index d0711fb69..1a58e6180 100644
--- a/src/client/northstar/model/ModelHelpers.ts
+++ b/src/client/northstar/model/ModelHelpers.ts
@@ -16,7 +16,7 @@ export class ModelHelpers {
     public static CreateAggregateKey(distinctAttributeParameters: AttributeParameters | undefined, atm: AttributeTransformationModel, histogramResult: HistogramResult,
         brushIndex: number, aggParameters?: SingleDimensionAggregateParameters): AggregateKey {
         {
-            if (aggParameters == undefined) {
+            if (aggParameters === undefined) {
                 aggParameters = ModelHelpers.GetAggregateParameter(distinctAttributeParameters, atm);
             }
             else {
@@ -146,7 +146,7 @@ export class ModelHelpers {
     }
 
     public static GetAggregateResult(bin: Bin, aggregateKey: AggregateKey) {
-        if (aggregateKey.aggregateParameterIndex == -1 || aggregateKey.brushIndex == -1) {
+        if (aggregateKey.aggregateParameterIndex === -1 || aggregateKey.brushIndex === -1) {
             return null;
         }
         return bin.aggregateResults![aggregateKey.aggregateParameterIndex! * bin.ySize! + aggregateKey.brushIndex!];
@@ -157,9 +157,9 @@ export class ModelHelpers {
         var ret = new Array<AggregateFunction>();
         ret.push(AggregateFunction.None);
         ret.push(AggregateFunction.Count);
-        if (atm.AttributeModel.DataType == DataType.Float ||
-            atm.AttributeModel.DataType == DataType.Double ||
-            atm.AttributeModel.DataType == DataType.Int) {
+        if (atm.AttributeModel.DataType === DataType.Float ||
+            atm.AttributeModel.DataType === DataType.Double ||
+            atm.AttributeModel.DataType === DataType.Int) {
             ret.push(AggregateFunction.Avg);
             ret.push(AggregateFunction.Sum);
         }
diff --git a/src/client/northstar/model/binRanges/DateTimeVisualBinRange.ts b/src/client/northstar/model/binRanges/DateTimeVisualBinRange.ts
index 9313fb1a7..f5872aa4c 100644
--- a/src/client/northstar/model/binRanges/DateTimeVisualBinRange.ts
+++ b/src/client/northstar/model/binRanges/DateTimeVisualBinRange.ts
@@ -39,24 +39,24 @@ export class DateTimeVisualBinRange extends VisualBinRange {
 
     public GetLabel(value: number): string {
         var dt = DateTimeVisualBinRange.TicksToDate(value);
-        if (this.DataBinRange.step!.dateTimeStepGranularity == DateTimeStepGranularity.Second ||
-            this.DataBinRange.step!.dateTimeStepGranularity == DateTimeStepGranularity.Minute) {
+        if (this.DataBinRange.step!.dateTimeStepGranularity === DateTimeStepGranularity.Second ||
+            this.DataBinRange.step!.dateTimeStepGranularity === DateTimeStepGranularity.Minute) {
             return ("" + this.pad(dt.getMinutes(), 2) + ":" + this.pad(dt.getSeconds(), 2));
             //return dt.ToString("mm:ss");
         }
-        else if (this.DataBinRange.step!.dateTimeStepGranularity == DateTimeStepGranularity.Hour) {
+        else if (this.DataBinRange.step!.dateTimeStepGranularity === DateTimeStepGranularity.Hour) {
             return (this.pad(dt.getHours(), 2) + ":" + this.pad(dt.getMinutes(), 2));
             //return dt.ToString("HH:mm");
         }
-        else if (this.DataBinRange.step!.dateTimeStepGranularity == DateTimeStepGranularity.Day) {
+        else if (this.DataBinRange.step!.dateTimeStepGranularity === DateTimeStepGranularity.Day) {
             return ((dt.getMonth() + 1) + "/" + dt.getDate() + "/" + dt.getFullYear());
             //return dt.ToString("MM/dd/yyyy");
         }
-        else if (this.DataBinRange.step!.dateTimeStepGranularity == DateTimeStepGranularity.Month) {
+        else if (this.DataBinRange.step!.dateTimeStepGranularity === DateTimeStepGranularity.Month) {
             //return dt.ToString("MM/yyyy");
             return ((dt.getMonth() + 1) + "/" + dt.getFullYear());
         }
-        else if (this.DataBinRange.step!.dateTimeStepGranularity == DateTimeStepGranularity.Year) {
+        else if (this.DataBinRange.step!.dateTimeStepGranularity === DateTimeStepGranularity.Year) {
             return "" + dt.getFullYear();
         }
         return "n/a";
@@ -82,22 +82,22 @@ export class DateTimeVisualBinRange extends VisualBinRange {
     public static AddToDateTimeTicks(ticks: number, dateTimeStep: DateTimeStep): number {
         var copiedDate = DateTimeVisualBinRange.TicksToDate(ticks);
         var returnDate: Date = new Date(Date.now());
-        if (dateTimeStep.dateTimeStepGranularity == DateTimeStepGranularity.Second) {
+        if (dateTimeStep.dateTimeStepGranularity === DateTimeStepGranularity.Second) {
             returnDate = new Date(copiedDate.setSeconds(copiedDate.getSeconds() + dateTimeStep.dateTimeStepValue!));
         }
-        else if (dateTimeStep.dateTimeStepGranularity == DateTimeStepGranularity.Minute) {
+        else if (dateTimeStep.dateTimeStepGranularity === DateTimeStepGranularity.Minute) {
             returnDate = new Date(copiedDate.setMinutes(copiedDate.getMinutes() + dateTimeStep.dateTimeStepValue!));
         }
-        else if (dateTimeStep.dateTimeStepGranularity == DateTimeStepGranularity.Hour) {
+        else if (dateTimeStep.dateTimeStepGranularity === DateTimeStepGranularity.Hour) {
             returnDate = new Date(copiedDate.setHours(copiedDate.getHours() + dateTimeStep.dateTimeStepValue!));
         }
-        else if (dateTimeStep.dateTimeStepGranularity == DateTimeStepGranularity.Day) {
+        else if (dateTimeStep.dateTimeStepGranularity === DateTimeStepGranularity.Day) {
             returnDate = new Date(copiedDate.setDate(copiedDate.getDate() + dateTimeStep.dateTimeStepValue!));
         }
-        else if (dateTimeStep.dateTimeStepGranularity == DateTimeStepGranularity.Month) {
+        else if (dateTimeStep.dateTimeStepGranularity === DateTimeStepGranularity.Month) {
             returnDate = new Date(copiedDate.setMonth(copiedDate.getMonth() + dateTimeStep.dateTimeStepValue!));
         }
-        else if (dateTimeStep.dateTimeStepGranularity == DateTimeStepGranularity.Year) {
+        else if (dateTimeStep.dateTimeStepGranularity === DateTimeStepGranularity.Year) {
             returnDate = new Date(copiedDate.setFullYear(copiedDate.getFullYear() + dateTimeStep.dateTimeStepValue!));
         }
         return DateTimeVisualBinRange.DateToTicks(returnDate);
diff --git a/src/client/northstar/model/binRanges/VisualBinRange.ts b/src/client/northstar/model/binRanges/VisualBinRange.ts
index f53008f9a..a0766e494 100644
--- a/src/client/northstar/model/binRanges/VisualBinRange.ts
+++ b/src/client/northstar/model/binRanges/VisualBinRange.ts
@@ -2,10 +2,6 @@ import { BinLabel } from '../../model/idea/idea'
 
 export abstract class VisualBinRange {
 
-    constructor() {
-
-    }
-
     public abstract AddStep(value: number): number;
 
     public abstract GetValueFromIndex(index: number): number;
diff --git a/src/client/northstar/model/binRanges/VisualBinRangeHelper.ts b/src/client/northstar/model/binRanges/VisualBinRangeHelper.ts
index 53d585bb4..63ee61909 100644
--- a/src/client/northstar/model/binRanges/VisualBinRangeHelper.ts
+++ b/src/client/northstar/model/binRanges/VisualBinRangeHelper.ts
@@ -39,8 +39,7 @@ export class VisualBinRangeHelper {
             var aggregateKey = ModelHelpers.CreateAggregateKey(distinctAttributeParameters, attr, histoResult, ModelHelpers.AllBrushIndex(histoResult));
             var minValue = Number.MAX_VALUE;
             var maxValue = Number.MIN_VALUE;
-            for (var b = 0; b < histoResult.brushes!.length; b++) {
-                var brush = histoResult.brushes![b];
+            for (const brush of histoResult.brushes!) {
                 aggregateKey.brushIndex = brush.brushIndex;
                 for (var key in histoResult.bins) {
                     if (histoResult.bins.hasOwnProperty(key)) {
@@ -56,12 +55,12 @@ export class VisualBinRangeHelper {
 
             let visualBinRange = QuantitativeVisualBinRange.Initialize(minValue, maxValue, 10, false);
 
-            if (chartType == ChartType.HorizontalBar || chartType == ChartType.VerticalBar) {
+            if (chartType === ChartType.HorizontalBar || chartType === ChartType.VerticalBar) {
                 visualBinRange = QuantitativeVisualBinRange.Initialize(Math.min(0, minValue),
                     Math.max(0, (visualBinRange as QuantitativeVisualBinRange).DataBinRange.maxValue!),
                     SETTINGS_X_BINS, false);
             }
-            else if (chartType == ChartType.SinglePoint) {
+            else if (chartType === ChartType.SinglePoint) {
                 visualBinRange = QuantitativeVisualBinRange.Initialize(Math.min(0, minValue), Math.max(0, maxValue),
                     SETTINGS_X_BINS, false);
             }
diff --git a/src/client/northstar/model/idea/MetricTypeMapping.ts b/src/client/northstar/model/idea/MetricTypeMapping.ts
index 11e0c871a..e9759cf16 100644
--- a/src/client/northstar/model/idea/MetricTypeMapping.ts
+++ b/src/client/northstar/model/idea/MetricTypeMapping.ts
@@ -5,20 +5,20 @@ import { Dictionary } from 'typescript-collections';
 export class MetricTypeMapping {
 
     public static GetMetricInterpretation(metricType: MetricType): MetricInterpretation {
-        if (metricType == MetricType.Accuracy ||
-            metricType == MetricType.F1 ||
-            metricType == MetricType.F1Macro ||
-            metricType == MetricType.F1Micro ||
-            metricType == MetricType.JaccardSimilarityScore ||
-            metricType == MetricType.ObjectDetectionAveragePrecision ||
-            metricType == MetricType.Precision ||
-            metricType == MetricType.PrecisionAtTopK ||
-            metricType == MetricType.NormalizedMutualInformation ||
-            metricType == MetricType.Recall ||
-            metricType == MetricType.RocAucMacro ||
-            metricType == MetricType.RocAuc ||
-            metricType == MetricType.RocAucMicro ||
-            metricType == MetricType.RSquared) {
+        if (metricType === MetricType.Accuracy ||
+            metricType === MetricType.F1 ||
+            metricType === MetricType.F1Macro ||
+            metricType === MetricType.F1Micro ||
+            metricType === MetricType.JaccardSimilarityScore ||
+            metricType === MetricType.ObjectDetectionAveragePrecision ||
+            metricType === MetricType.Precision ||
+            metricType === MetricType.PrecisionAtTopK ||
+            metricType === MetricType.NormalizedMutualInformation ||
+            metricType === MetricType.Recall ||
+            metricType === MetricType.RocAucMacro ||
+            metricType === MetricType.RocAuc ||
+            metricType === MetricType.RocAucMicro ||
+            metricType === MetricType.RSquared) {
             return MetricInterpretation.HigherIsBetter;
         }
         return MetricInterpretation.LowerIsBetter;
diff --git a/src/client/northstar/operations/BaseOperation.ts b/src/client/northstar/operations/BaseOperation.ts
index f545b2c58..a14337763 100644
--- a/src/client/northstar/operations/BaseOperation.ts
+++ b/src/client/northstar/operations/BaseOperation.ts
@@ -29,11 +29,11 @@ export abstract class BaseOperation {
         // let filterModels: FilterModel[] = [];
         // return FilterModel.GetFilterModelsRecursive(this, new Set<GraphNode<BaseOperationViewModel, FilterLinkViewModel>>(), filterModels, true)
         // if (this.OverridingFilters.length > 0) {
-        //     return "(" + this.OverridingFilters.filter(fm => fm != null).map(fm => fm.ToPythonString()).join(" || ") + ")";
+        //     return "(" + this.OverridingFilters.filter(fm => fm !== null).map(fm => fm.ToPythonString()).join(" || ") + ")";
         // }
         // let rdg = MainManager.Instance.MainViewModel.FilterReverseDependencyGraph;
         // let sliceModel = this.TypedViewModel.IncomingSliceModel;
-        // if (sliceModel != null && sliceModel.Source != null && instanceOfIBaseFilterProvider(sliceModel.Source) && rdg.has(sliceModel.Source)) {
+        // if (sliceModel !== null && sliceModel.Source !== null && instanceOfIBaseFilterProvider(sliceModel.Source) && rdg.has(sliceModel.Source)) {
         //     let filterModels = sliceModel.Source.FilterModels.map(f => f);
         //     return FilterModel.GetFilterModelsRecursive(rdg.get(sliceModel.Source), new Set<GraphNode<BaseOperationViewModel, FilterLinkViewModel>>(), filterModels, false);
         // }
@@ -99,8 +99,8 @@ export abstract class BaseOperation {
                     if (result instanceof ErrorResult) {
                         throw new Error((result as ErrorResult).message);
                     }
-                    if (this.RequestSalt == pollPromise.RequestSalt) {
-                        if (result && (!this.Result || this.Result.progress != result.progress)) {
+                    if (this.RequestSalt === pollPromise.RequestSalt) {
+                        if (result && (!this.Result || this.Result.progress !== result.progress)) {
                             /*if (operationViewModel.Result !== null && operationViewModel.Result !== undefined) {
                                 let t1 = performance.now();
                                 console.log((t1 - start) + " milliseconds.");
diff --git a/src/client/northstar/operations/HistogramOperation.ts b/src/client/northstar/operations/HistogramOperation.ts
index e63de1632..7f48d1629 100644
--- a/src/client/northstar/operations/HistogramOperation.ts
+++ b/src/client/northstar/operations/HistogramOperation.ts
@@ -67,7 +67,7 @@ export class HistogramOperation extends BaseOperation implements IBaseFilterCons
         let brushes: string[] = [];
         this.BrushLinks.map(brushLink => {
             let brushHistogram = brushLink.b.GetT(KeyStore.Data, HistogramField);
-            if (brushHistogram && brushHistogram != FieldWaiting) {
+            if (brushHistogram && brushHistogram !== FieldWaiting) {
                 let filterModels: FilterModel[] = [];
                 brushes.push(FilterModel.GetFilterModelsRecursive(brushHistogram.Data, new Set<IBaseFilterProvider>(), filterModels, false));
             }
diff --git a/src/client/northstar/utils/ArrayUtil.ts b/src/client/northstar/utils/ArrayUtil.ts
index f35c98317..a52ca6d96 100644
--- a/src/client/northstar/utils/ArrayUtil.ts
+++ b/src/client/northstar/utils/ArrayUtil.ts
@@ -7,14 +7,14 @@ export class ArrayUtil {
             return false;
         }
         let isComplex = typeof arr1[0] === "object";
-        for (let i = 0; i < arr1.length; i++) {
-            if (isComplex && "Equals" in arr1[i]) {
-                if (arr1[i].Equals(arr2)) {
+        for (const ele of arr1) {
+            if (isComplex && "Equals" in ele) {
+                if (ele.Equals(arr2)) {
                     return true;
                 }
             }
             else {
-                if (arr1[i] === arr2) {
+                if (ele === arr2) {
                     return true;
                 }
             }
@@ -63,9 +63,9 @@ export class ArrayUtil {
 
     public static Distinct(arr: any[]): any[] {
         let ret = [];
-        for (let i = 0; i < arr.length; i++) {
-            if (!ArrayUtil.Contains(ret, arr[i])) {
-                ret.push(arr[i]);
+        for (const ele of arr) {
+            if (!ArrayUtil.Contains(ret, ele)) {
+                ret.push(ele);
             }
         }
         return ret;
diff --git a/src/client/northstar/utils/GeometryUtil.ts b/src/client/northstar/utils/GeometryUtil.ts
index d5f3ba631..6d8acea20 100644
--- a/src/client/northstar/utils/GeometryUtil.ts
+++ b/src/client/northstar/utils/GeometryUtil.ts
@@ -85,7 +85,7 @@ export class GeometryUtil {
     //         var xi = vs[i].x, yi = vs[i].y;
     //         var xj = vs[j].x, yj = vs[j].y;
 
-    //         var intersect = ((yi > y) != (yj > y)) && (x < (xj - xi) * (y - yi) / (yj - yi) + xi);
+    //         var intersect = ((yi > y) !== (yj > y)) && (x < (xj - xi) * (y - yi) / (yj - yi) + xi);
     //         if (intersect) 
     //            inside = !inside;
     //     }
diff --git a/src/client/northstar/utils/MathUtil.ts b/src/client/northstar/utils/MathUtil.ts
index bb7e73871..7aa255096 100644
--- a/src/client/northstar/utils/MathUtil.ts
+++ b/src/client/northstar/utils/MathUtil.ts
@@ -93,7 +93,7 @@ export class MathUtil {
     public static DistToLineSegment(v: PIXIPoint, w: PIXIPoint, p: PIXIPoint) {
         // Return minimum distance between line segment vw and point p
         var l2 = MathUtil.DistSquared(v, w);  // i.e. |w-v|^2 -  avoid a sqrt
-        if (l2 == 0.0) return MathUtil.Dist(p, v);   // v == w case
+        if (l2 === 0.0) return MathUtil.Dist(p, v);   // v === w case
         // Consider the line extending the segment, parameterized as v + t (w - v).
         // We find projection of point p onto the line. 
         // It falls where t = [(p-v) . (w-v)] / |w-v|^2
@@ -117,7 +117,7 @@ export class MathUtil {
         var b2 = ps2.x - pe2.x;
 
         var delta = a1 * b2 - a2 * b1;
-        if (delta == 0) {
+        if (delta === 0) {
             return undefined;
         }
         var c2 = a2 * ps2.x + b2 * ps2.y;
@@ -147,19 +147,19 @@ export class MathUtil {
         var ret = new Array<PIXIPoint>();
         var dist = this.Dist(lineFrom, lineTo)
         var inter = this.LineSegmentIntersection(lineFrom, lineTo, r1, r2);
-        if (inter != null && this.PointInPIXIRectangle(inter, rect) &&
+        if (inter && this.PointInPIXIRectangle(inter, rect) &&
             this.Dist(inter, lineFrom) < dist && this.Dist(inter, lineTo) < dist)
             ret.push(inter);
         inter = this.LineSegmentIntersection(lineFrom, lineTo, r2, r3);
-        if (inter != null && this.PointInPIXIRectangle(inter, rect) &&
+        if (inter && this.PointInPIXIRectangle(inter, rect) &&
             this.Dist(inter, lineFrom) < dist && this.Dist(inter, lineTo) < dist)
             ret.push(inter);
         inter = this.LineSegmentIntersection(lineFrom, lineTo, r3, r4);
-        if (inter != null && this.PointInPIXIRectangle(inter, rect) &&
+        if (inter && this.PointInPIXIRectangle(inter, rect) &&
             this.Dist(inter, lineFrom) < dist && this.Dist(inter, lineTo) < dist)
             ret.push(inter);
         inter = this.LineSegmentIntersection(lineFrom, lineTo, r4, r1);
-        if (inter != null && this.PointInPIXIRectangle(inter, rect) &&
+        if (inter && this.PointInPIXIRectangle(inter, rect) &&
             this.Dist(inter, lineFrom) < dist && this.Dist(inter, lineTo) < dist)
             ret.push(inter);
         return ret;
diff --git a/src/client/northstar/utils/SizeConverter.ts b/src/client/northstar/utils/SizeConverter.ts
index bb91ed4a7..b5c4a16ab 100644
--- a/src/client/northstar/utils/SizeConverter.ts
+++ b/src/client/northstar/utils/SizeConverter.ts
@@ -54,7 +54,7 @@ export class SizeConverter {
     }
 
     public DataToScreenNormalizedRange(dataValue: number, normalization: number, axis: number, binBrushMaxAxis: number) {
-        var value = normalization != 1 - axis || binBrushMaxAxis == 0 ? dataValue : (dataValue - 0) / (binBrushMaxAxis - 0) * this.DataRanges[axis];
+        var value = normalization !== 1 - axis || binBrushMaxAxis === 0 ? dataValue : (dataValue - 0) / (binBrushMaxAxis - 0) * this.DataRanges[axis];
         var from = this.DataToScreenCoord(Math.min(0, value), axis);
         var to = this.DataToScreenCoord(Math.max(0, value), axis);
         return [from, value, to];
@@ -85,7 +85,7 @@ export class SizeConverter {
         return flip ? (this.RenderDimension) - retY : retY;
     }
     public DataToScreenCoord(v: number, axis: number) {
-        if (axis == 0)
+        if (axis === 0)
             return this.DataToScreenX(v);
         return this.DataToScreenY(v);
     }
diff --git a/src/client/northstar/utils/Utils.ts b/src/client/northstar/utils/Utils.ts
index b35dce820..c96b4cbd9 100644
--- a/src/client/northstar/utils/Utils.ts
+++ b/src/client/northstar/utils/Utils.ts
@@ -27,17 +27,17 @@ export class Utils {
 
     public static isBaseBrushable<T>(obj: Object): obj is IBaseBrushable<T> {
         let typed = <IBaseBrushable<T>>obj;
-        return typed != null && typed.BrusherModels !== undefined;
+        return typed !== null && typed.BrusherModels !== undefined;
     }
 
     public static isBaseFilterProvider(obj: Object): obj is IBaseFilterProvider {
         let typed = <IBaseFilterProvider>obj;
-        return typed != null && typed.FilterModels !== undefined;
+        return typed !== null && typed.FilterModels !== undefined;
     }
 
     public static isBaseFilterConsumer(obj: Object): obj is IBaseFilterConsumer {
         let typed = <IBaseFilterConsumer>obj;
-        return typed != null && typed.FilterOperand !== undefined;
+        return typed !== null && typed.FilterOperand !== undefined;
     }
 
     public static EncodeQueryData(data: any): string {
@@ -63,9 +63,9 @@ export class Utils {
     public static GetQueryVariable(variable: string) {
         let query = window.location.search.substring(1);
         let vars = query.split("&");
-        for (let i = 0; i < vars.length; i++) {
-            let pair = vars[i].split("=");
-            if (decodeURIComponent(pair[0]) == variable) {
+        for (const variable of vars) {
+            let pair = variable.split("=");
+            if (decodeURIComponent(pair[0]) === variable) {
                 return decodeURIComponent(pair[1]);
             }
         }