restoring eslint - updates not complete yet

1 files changed, 70 insertions, 52 deletions

diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
index 3fab00968..a70713429 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -1,14 +1,17 @@
+/* eslint-disable jsx-a11y/click-events-have-key-events */
+/* eslint-disable jsx-a11y/no-static-element-interactions */
 import { Bezier } from 'bezier-js';
 import { Colors } from 'browndash-components';
 import { action, computed, IReactionDisposer, makeObservable, observable, reaction, runInAction } from 'mobx';
 import { observer } from 'mobx-react';
 import { computedFn } from 'mobx-utils';
 import * as React from 'react';
+import { ClientUtils, DashColor, lightOrDark, OmitKeys, returnFalse, returnZero, setupMoveUpEvents } from '../../../../ClientUtils';
 import { DateField } from '../../../../fields/DateField';
-import { Doc, DocListCast, Field, Opt } from '../../../../fields/Doc';
+import { Doc, DocListCast, Field, FieldType, Opt } from '../../../../fields/Doc';
 import { DocData, Height, Width } from '../../../../fields/DocSymbols';
 import { Id } from '../../../../fields/FieldSymbols';
-import { InkData, InkField, InkTool, PointData, Segment } from '../../../../fields/InkField';
+import { InkData, InkField, InkTool, Segment } from '../../../../fields/InkField';
 import { List } from '../../../../fields/List';
 import { RichTextField } from '../../../../fields/RichTextField';
 import { listSpec } from '../../../../fields/Schema';
@@ -16,13 +19,15 @@ import { ScriptField } from '../../../../fields/ScriptField';
 import { BoolCast, Cast, DocCast, NumCast, ScriptCast, StrCast } from '../../../../fields/Types';
 import { ImageField } from '../../../../fields/URLField';
 import { TraceMobx } from '../../../../fields/util';
+import { Gestures, PointData } from '../../../../pen-gestures/GestureTypes';
 import { GestureUtils } from '../../../../pen-gestures/GestureUtils';
-import { aggregateBounds, DashColor, emptyFunction, intersectRect, lightOrDark, OmitKeys, returnFalse, returnZero, setupMoveUpEvents, Utils } from '../../../../Utils';
+import { aggregateBounds, emptyFunction, intersectRect, Utils } from '../../../../Utils';
 import { CognitiveServices } from '../../../cognitive_services/CognitiveServices';
 import { Docs, DocUtils } from '../../../documents/Documents';
 import { CollectionViewType, DocumentType } from '../../../documents/DocumentTypes';
 import { DocumentManager } from '../../../util/DocumentManager';
-import { DragManager, dropActionType } from '../../../util/DragManager';
+import { DragManager } from '../../../util/DragManager';
+import { dropActionType } from '../../../util/DropActionTypes';
 import { ReplayMovements } from '../../../util/ReplayMovements';
 import { CompileScript } from '../../../util/Scripting';
 import { ScriptingGlobals } from '../../../util/ScriptingGlobals';
@@ -33,8 +38,8 @@ import { Transform } from '../../../util/Transform';
 import { undoable, undoBatch, UndoManager } from '../../../util/UndoManager';
 import { Timeline } from '../../animationtimeline/Timeline';
 import { ContextMenu } from '../../ContextMenu';
+import { PinProps } from '../../DocComponent';
 import { GestureOverlay } from '../../GestureOverlay';
-import { CtrlKey } from '../../GlobalKeyHandler';
 import { ActiveInkWidth, InkingStroke, SetActiveInkColor, SetActiveInkWidth } from '../../InkingStroke';
 import { LightboxView } from '../../LightboxView';
 import { CollectionFreeFormDocumentView } from '../../nodes/CollectionFreeFormDocumentView';
@@ -42,7 +47,7 @@ import { SchemaCSVPopUp } from '../../nodes/DataVizBox/SchemaCSVPopUp';
 import { DocumentView, OpenWhere } from '../../nodes/DocumentView';
 import { FieldViewProps, FocusViewOptions } from '../../nodes/FieldView';
 import { FormattedTextBox } from '../../nodes/formattedText/FormattedTextBox';
-import { PinProps, PresBox } from '../../nodes/trails/PresBox';
+import { PresBox } from '../../nodes/trails/PresBox';
 import { CreateImage } from '../../nodes/WebBoxRenderer';
 import { StyleProp } from '../../StyleProvider';
 import { CollectionSubView } from '../CollectionSubView';
@@ -77,7 +82,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     @observable _paintedId = 'id' + Utils.GenerateGuid().replace(/-/g, '');
     @computed get paintFunc() {
         const field = this.dataDoc[this.fieldKey];
-        const paintFunc = StrCast(Field.toJavascriptString(Cast(field, RichTextField, null)?.Text as Field)).trim();
+        const paintFunc = StrCast(Field.toJavascriptString(Cast(field, RichTextField, null)?.Text as FieldType)).trim();
         return !paintFunc
             ? ''
             : paintFunc.includes('dashDiv')
@@ -635,11 +640,11 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     onGesture = (e: Event, ge: GestureUtils.GestureEvent) => {
         switch (ge.gesture) {
             default:
-            case GestureUtils.Gestures.Line:
-            case GestureUtils.Gestures.Circle:
-            case GestureUtils.Gestures.Rectangle:
-            case GestureUtils.Gestures.Triangle:
-            case GestureUtils.Gestures.Stroke:
+            case Gestures.Line:
+            case Gestures.Circle:
+            case Gestures.Rectangle:
+            case Gestures.Triangle:
+            case Gestures.Stroke:
                 const points = ge.points;
                 const B = this.screenToFreeformContentsXf.transformBounds(ge.bounds.left, ge.bounds.top, ge.bounds.width, ge.bounds.height);
                 const inkWidth = ActiveInkWidth() * this.ScreenToLocalBoxXf().Scale;
@@ -660,7 +665,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 this.addDocument(inkDoc);
                 e.stopPropagation();
                 break;
-            case GestureUtils.Gestures.Rectangle:
+            case Gestures.Rectangle:
                 const strokes = this.getActiveDocuments()
                     .filter(doc => doc.type === DocumentType.INK)
                     .map(i => {
@@ -672,7 +677,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
 
                 CognitiveServices.Inking.Appliers.InterpretStrokes(strokes).then(results => {});
                 break;
-            case GestureUtils.Gestures.Text:
+            case Gestures.Text:
                 if (ge.text) {
                     const B = this.screenToFreeformContentsXf.transformPoint(ge.points[0].X, ge.points[0].Y);
                     this.addDocument(Docs.Create.TextDocument(ge.text, { title: ge.text, x: B[0], y: B[1] }));
@@ -690,7 +695,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     @action
     onClick = (e: React.MouseEvent) => {
         if (this._lightboxDoc) this._lightboxDoc = undefined;
-        if (Utils.isClick(e.pageX, e.pageY, this._downX, this._downY, this._downTime)) {
+        if (ClientUtils.isClick(e.pageX, e.pageY, this._downX, this._downY, this._downTime)) {
             if (this.onBrowseClickHandler()) {
                 this.onBrowseClickHandler().script.run({ documentView: this.DocumentView?.(), clientX: e.clientX, clientY: e.clientY });
                 e.stopPropagation();
@@ -746,7 +751,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                     segments.forEach(segment =>
                         this.forceStrokeGesture(
                             e,
-                            GestureUtils.Gestures.Stroke,
+                            Gestures.Stroke,
                             segment.reduce((data, curve) => [...data, ...curve.points.map(p => intersect.inkView.ComponentView?.ptToScreen?.({ X: p.x, Y: p.y }) ?? { X: 0, Y: 0 })], [] as PointData[])
                         )
                     );
@@ -759,7 +764,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         });
         return false;
     };
-    forceStrokeGesture = (e: PointerEvent, gesture: GestureUtils.Gestures, points: InkData, text?: any) => {
+    forceStrokeGesture = (e: PointerEvent, gesture: Gestures, points: InkData, text?: any) => {
         this.onGesture(e, new GestureUtils.GestureEvent(gesture, points, GestureOverlay.getBounds(points), text));
     };
 
@@ -956,7 +961,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         switch (
             !e.ctrlKey && !e.shiftKey && !e.metaKey && !e.altKey ?//
                 Doc.UserDoc().freeformScrollMode : // no modifiers, do assigned mode
-                    e.ctrlKey && !CtrlKey? // otherwise, if ctrl key (pinch gesture) try to zoom else pan
+                    e.ctrlKey && !SnappingManager.CtrlKey? // otherwise, if ctrl key (pinch gesture) try to zoom else pan
                         freeformScrollMode.Zoom : freeformScrollMode.Pan // prettier-ignore
         ) {
             case freeformScrollMode.Pan:
@@ -1030,9 +1035,6 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 (!this._props.getScrollHeight?.() ? fitYscroll : 0); // when not zoomed, scrolling is handled via a scrollbar, not panning
             let newPanY = Math.max(minPanY, Math.min(maxPanY, panY));
             if (false && NumCast(this.layoutDoc.layout_scrollTop) && NumCast(this.layoutDoc._freeform_scale, minScale) !== minScale) {
-                const relTop = NumCast(this.layoutDoc.layout_scrollTop) / maxScrollTop;
-                this.layoutDoc.layout_scrollTop = undefined;
-                newPanY = minPanY + relTop * (maxPanY - minPanY);
             } else if (fitYscroll > 2 && this.layoutDoc.layout_scrollTop === undefined && NumCast(this.layoutDoc._freeform_scale, minScale) === minScale) {
                 const maxPanY = minPanY + fitYscroll;
                 const relTop = (panY - minPanY) / (maxPanY - minPanY);
@@ -1289,8 +1291,8 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 : NumCast(this.layoutDoc._rotation_jitter) * random(-1, 1, NumCast(x), NumCast(y)) );
         const childProps = { ...this._props, fieldKey: '', styleProvider: this.clusterStyleProvider };
         return {
-            x: Number.isNaN(NumCast(x)) ? 0 : NumCast(x),
-            y: Number.isNaN(NumCast(y)) ? 0 : NumCast(y),
+            x: isNaN(NumCast(x)) ? 0 : NumCast(x),
+            y: isNaN(NumCast(y)) ? 0 : NumCast(y),
             z: Cast(z, 'number'),
             autoDim,
             rotation,
@@ -1424,8 +1426,9 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         return anchor;
     };
 
-    @action closeInfo = () => (Doc.IsInfoUIDisabled = true);
-    infoUI = () => (Doc.IsInfoUIDisabled || this.Document.annotationOn || this._props.renderDepth ? null : <CollectionFreeFormInfoUI Document={this.Document} Freeform={this} close={this.closeInfo} />);
+    childDocsFunc = () => this.childDocs;
+    @action closeInfo = () => { Doc.IsInfoUIDisabled = true }; // prettier-ignore
+    infoUI = () => (Doc.IsInfoUIDisabled || this.Document.annotationOn || this._props.renderDepth ? null : <CollectionFreeFormInfoUI Document={this.Document} LayoutDoc={this.layoutDoc} childDocs={this.childDocsFunc} close={this.closeInfo} />);
 
     componentDidMount() {
         this._props.setContentViewBox?.(this);
@@ -1483,6 +1486,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 if (!code.includes('dashDiv')) {
                     const script = CompileScript(code, { params: { docView: 'any' }, typecheck: false, editable: true });
                     if (script.compiled) script.run({ this: this.DocumentView?.() });
+                    // eslint-disable-next-line no-eval
                 } else code && !first && eval?.(code);
             },
             { fireImmediately: true }
@@ -1491,7 +1495,9 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         this._disposers.layoutElements = reaction(
             // layoutElements can't be a computed value because doLayoutComputation() is an action that has side effect of updating clusters
             () => this.doInternalLayoutComputation,
-            computation => (this._layoutElements = this.doLayoutComputation(computation.newPool, computation.computedElementData)),
+            computation => {
+                this._layoutElements = this.doLayoutComputation(computation.newPool, computation.computedElementData);
+            },
             { fireImmediately: true }
         );
     }
@@ -1512,7 +1518,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 const canvas = oldDiv;
                 const img = document.createElement('img'); // create a Image Element
                 try {
-                    img.src = canvas.toDataURL(); //image source
+                    img.src = canvas.toDataURL(); // image source
                 } catch (e) {
                     console.log(e);
                 }
@@ -1567,14 +1573,12 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         const htmlString = new XMLSerializer().serializeToString(newDiv);
         const nativeWidth = width;
         const nativeHeight = height;
-        return CreateImage(Utils.prepend(''), document.styleSheets, htmlString, nativeWidth, (nativeWidth * panelHeight) / panelWidth, (scrollTop * panelHeight) / realNativeHeight)
-            .then(async (data_url: any) => {
-                const returnedFilename = await Utils.convertDataUri(data_url, filename, noSuffix, replaceRootFilename);
+        return CreateImage(ClientUtils.prepend(''), document.styleSheets, htmlString, nativeWidth, (nativeWidth * panelHeight) / panelWidth, (scrollTop * panelHeight) / realNativeHeight)
+            .then(async (dataUrl: any) => {
+                const returnedFilename = await ClientUtils.convertDataUri(dataUrl, filename, noSuffix, replaceRootFilename);
                 cb(returnedFilename as string, nativeWidth, nativeHeight);
             })
-            .catch(function (error: any) {
-                console.error('oops, something went wrong!', error);
-            });
+            .catch((error: any) => console.error('oops, something went wrong!', error));
     }
 
     componentWillUnmount() {
@@ -1583,14 +1587,15 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     }
 
     @action
-    onCursorMove = (e: React.PointerEvent) => {
+    onCursorMove = () => {
         //  super.setCursorPosition(this.getTransform().transformPoint(e.clientX, e.clientY));
     };
 
     @undoBatch
     promoteCollection = () => {
         const childDocs = this.childDocs.slice();
-        childDocs.forEach(doc => {
+        childDocs.forEach(docIn => {
+            const doc = docIn;
             const scr = this.screenToFreeformContentsXf.inverse().transformPoint(NumCast(doc.x), NumCast(doc.y));
             doc.x = scr?.[0];
             doc.y = scr?.[1];
@@ -1604,7 +1609,8 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         const width = Math.max(...docs.map(doc => NumCast(doc._width))) + 20;
         const height = Math.max(...docs.map(doc => NumCast(doc._height))) + 20;
         const dim = Math.ceil(Math.sqrt(docs.length));
-        docs.forEach((doc, i) => {
+        docs.forEach((docIn, i) => {
+            const doc = docIn;
             doc.x = NumCast(this.Document[this.panXFieldKey]) + (i % dim) * width - (width * dim) / 2;
             doc.y = NumCast(this.Document[this.panYFieldKey]) + Math.floor(i / dim) * height - (height * dim) / 2;
         });
@@ -1704,14 +1710,14 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
 
         const snappableDocs = activeDocs.filter(doc => doc.z === undefined && isDocInView(doc, selRect)); // first see if there are any foreground docs to snap to
         activeDocs
-            .filter(doc => doc.isGroup && SnappingManager.IsResizing !== doc && !DragManager.docsBeingDragged.includes(doc))
+            .filter(doc => doc.isGroup && SnappingManager.IsResizing !== doc[Id] && !DragManager.docsBeingDragged.includes(doc))
             .forEach(doc => DocumentManager.Instance.getDocumentView(doc)?.ComponentView?.dragStarting?.(snapToDraggedDoc, false, visited));
 
         const horizLines: number[] = [];
         const vertLines: number[] = [];
         const invXf = this.screenToFreeformContentsXf.inverse();
         snappableDocs
-            .filter(doc => !doc.isGroup && (snapToDraggedDoc || (SnappingManager.IsResizing !== doc && !DragManager.docsBeingDragged.includes(doc))))
+            .filter(doc => !doc.isGroup && (snapToDraggedDoc || (SnappingManager.IsResizing !== doc[Id] && !DragManager.docsBeingDragged.includes(doc))))
             .forEach(doc => {
                 const { left, top, width, height } = docDims(doc);
                 const topLeftInScreen = invXf.transformPoint(left, top);
@@ -1727,10 +1733,10 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
 
     incrementalRender = action(() => {
         if (!LightboxView.LightboxDoc || LightboxView.Contains(this.DocumentView?.())) {
-            const layout_unrendered = this.childDocs.filter(doc => !this._renderCutoffData.get(doc[Id]));
+            const layoutUnrendered = this.childDocs.filter(doc => !this._renderCutoffData.get(doc[Id]));
             const loadIncrement = this.Document.isTemplateDoc ? Number.MAX_VALUE : 5;
-            for (var i = 0; i < Math.min(layout_unrendered.length, loadIncrement); i++) {
-                this._renderCutoffData.set(layout_unrendered[i][Id] + '', true);
+            for (let i = 0; i < Math.min(layoutUnrendered.length, loadIncrement); i++) {
+                this._renderCutoffData.set(layoutUnrendered[i][Id] + '', true);
             }
         }
         this.childDocs.some(doc => !this._renderCutoffData.get(doc[Id])) && setTimeout(this.incrementalRender, 1);
@@ -1744,6 +1750,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         );
     }
 
+    showPresPaths = () => CollectionFreeFormView.ShowPresPaths;
     brushedView = () => this._brushedView;
     gridColor = () =>
         DashColor(lightOrDark(this._props.styleProvider?.(this.layoutDoc, this._props, StyleProp.BackgroundColor)))
@@ -1776,6 +1783,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 brushedView={this.brushedView}
                 isAnnotationOverlay={this.isAnnotationOverlay}
                 transform={this.PanZoomCenterXf}
+                showPresPaths={this.showPresPaths}
                 transition={this._panZoomTransition ? `transform ${this._panZoomTransition}ms` : Cast(this.layoutDoc._viewTransition, 'string', Cast(this.Document._viewTransition, 'string', null))}
                 viewDefDivClick={this._props.viewDefDivClick}>
                 {this.props.children ?? null} {/* most likely case of children is document content that's being annoated: eg., an image */}
@@ -1828,7 +1836,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         this._brushtimer1 = setTimeout(
             action(() => {
                 this._brushedView = { ...viewport, panX: viewport.panX - viewport.width / 2, panY: viewport.panY - viewport.height / 2 };
-                this._brushtimer = setTimeout(action(() => (this._brushedView = undefined)), holdTime); // prettier-ignore
+                this._brushtimer = setTimeout(action(() => { this._brushedView = undefined; }), holdTime); // prettier-ignore
             }),
             transTime + 1
         );
@@ -1912,6 +1920,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
 @observer
 class CollectionFreeFormOverlayView extends React.Component<{ elements: () => ViewDefResult[] }> {
     render() {
+        // eslint-disable-next-line react/destructuring-assignment
         return this.props.elements().filter(ele => ele.bounds?.z).map(ele => ele.ele); // prettier-ignore
     }
 }
@@ -1923,11 +1932,12 @@ export function CollectionBrowseClick(dv: DocumentView, clientX: number, clientY
         DocumentManager.Instance.showDocument(dv.Document, { zoomScale: 0.8, willZoomCentered: true }, (focused: boolean) => {
             if (!focused) {
                 const selfFfview = !dv.Document.isGroup && dv.ComponentView instanceof CollectionFreeFormView ? dv.ComponentView : undefined;
-                let containers = dv.containerViewPath?.() ?? [];
+                const containers = dv.containerViewPath?.() ?? [];
                 let parFfview = dv.CollectionFreeFormView;
-                for (var cont of containers) {
+                containers.forEach(cont => {
                     parFfview = parFfview ?? cont.CollectionFreeFormView;
-                }
+                });
+
                 while (parFfview?.Document.isGroup) parFfview = parFfview.DocumentView?.().CollectionFreeFormView;
                 const ffview = selfFfview && selfFfview.layoutDoc[selfFfview.scaleFieldKey] !== 0.5 ? selfFfview : parFfview; // if focus doc is a freeform that is not at it's default 0.5 scale, then zoom out on it.  Otherwise, zoom out on the parent ffview
                 ffview?.zoomSmoothlyAboutPt(ffview.screenToFreeformContentsXf.transformPoint(clientX, clientY), ffview?.isAnnotationOverlay ? 1 : 0.5, browseTransitionTime);
@@ -1936,17 +1946,21 @@ export function CollectionBrowseClick(dv: DocumentView, clientX: number, clientY
         });
 }
 ScriptingGlobals.add(CollectionBrowseClick);
+// eslint-disable-next-line prefer-arrow-callback
 ScriptingGlobals.add(function nextKeyFrame(readOnly: boolean) {
     !readOnly && (SelectionManager.Views[0].ComponentView as CollectionFreeFormView)?.changeKeyFrame();
 });
+// eslint-disable-next-line prefer-arrow-callback
 ScriptingGlobals.add(function prevKeyFrame(readOnly: boolean) {
     !readOnly && (SelectionManager.Views[0].ComponentView as CollectionFreeFormView)?.changeKeyFrame(true);
 });
+// eslint-disable-next-line prefer-arrow-callback
 ScriptingGlobals.add(function curKeyFrame(readOnly: boolean) {
     const selView = SelectionManager.Views;
     if (readOnly) return selView[0].ComponentView?.getKeyFrameEditing?.() ? Colors.MEDIUM_BLUE : 'transparent';
     runInAction(() => selView[0].ComponentView?.setKeyFrameEditing?.(!selView[0].ComponentView?.getKeyFrameEditing?.()));
 });
+// eslint-disable-next-line prefer-arrow-callback
 ScriptingGlobals.add(function pinWithView(pinContent: boolean) {
     SelectionManager.Views.forEach(view =>
         view._props.pinToPres(view.Document, {
@@ -1959,15 +1973,19 @@ ScriptingGlobals.add(function pinWithView(pinContent: boolean) {
         })
     );
 });
+// eslint-disable-next-line prefer-arrow-callback
 ScriptingGlobals.add(function bringToFront() {
     SelectionManager.Views.forEach(view => view.CollectionFreeFormView?.bringToFront(view.Document));
 });
-ScriptingGlobals.add(function sendToBack(doc: Doc) {
+// eslint-disable-next-line prefer-arrow-callback
+ScriptingGlobals.add(function sendToBack() {
     SelectionManager.Views.forEach(view => view.CollectionFreeFormView?.bringToFront(view.Document, true));
 });
-ScriptingGlobals.add(function datavizFromSchema(doc: Doc) {
+// eslint-disable-next-line prefer-arrow-callback
+ScriptingGlobals.add(function datavizFromSchema() {
     // creating a dataviz doc to represent the schema table
-    SelectionManager.Views.forEach(view => {
+    SelectionManager.Views.forEach(viewIn => {
+        const view = viewIn;
         if (!view.layoutDoc.schema_columnKeys) {
             view.layoutDoc.schema_columnKeys = new List<string>(['title', 'type', 'author', 'author_date']);
         }
@@ -1975,13 +1993,13 @@ ScriptingGlobals.add(function datavizFromSchema(doc: Doc) {
         if (!keys) return;
 
         const children = DocListCast(view.Document[Doc.LayoutFieldKey(view.Document)]);
-        let csvRows = [];
+        const csvRows = [];
         csvRows.push(keys.join(','));
         for (let i = 0; i < children.length; i++) {
-            let eachRow = [];
+            const eachRow = [];
             for (let j = 0; j < keys.length; j++) {
-                var cell = children[i][keys[j]]?.toString();
-                if (cell) cell = cell.toString().replace(/\,/g, '');
+                let cell = children[i][keys[j]]?.toString();
+                if (cell) cell = cell.toString().replace(/,/g, '');
                 eachRow.push(cell);
             }
             csvRows.push(eachRow);