fix: removing explict returns

Can cause bugs from missing return values.

packages/coordinates/src/MouseCoordinateX.tsx

@@ -68,7 +68,7 @@ export class MouseCoordinateX extends React.Component<MouseCoordinateXProps> {
     private readonly drawOnCanvas = (ctx: CanvasRenderingContext2D, moreProps) => {
         const props = this.helper(this.props, moreProps);
         if (isNotDefined(props)) {
-            return null;
+            return;
         }
 
         drawOnCanvas(ctx, props);

packages/coordinates/src/MouseCoordinateY.tsx

@@ -54,7 +54,7 @@ export class MouseCoordinateY extends React.Component<MouseCoordinateYProps> {
     private readonly drawOnCanvas = (ctx: CanvasRenderingContext2D, moreProps) => {
         const props = this.helper(this.props, moreProps);
         if (isNotDefined(props)) {
-            return null;
+            return;
         }
 
         drawOnCanvas(ctx, props);

packages/core/src/ChartCanvas.tsx

@@ -429,14 +429,12 @@ export class ChartCanvas extends React.Component<ChartCanvasProps, ChartCanvasSt
     };
 
     public getCanvasContexts = () => {
-        const current = this.canvasContainerRef.current;
-        if (current !== null) {
-            return current.getCanvasContexts();
-        }
+        return this.canvasContainerRef.current?.getCanvasContexts();
     };
 
     public generateSubscriptionId = () => {
         this.lastSubscriptionId++;
+
         return this.lastSubscriptionId;
     };
 

packages/interactive/src/components/HoverTextNearMouse.tsx

@@ -90,6 +90,8 @@ export class HoverTextNearMouse extends React.Component<HoverTextNearMouseProps,
                 </g>
             );
         }
+
+        return null;
     };
 
     private readonly getBgHeight = () => {

packages/series/src/StraightLine.tsx

@@ -11,7 +11,7 @@ interface StraightLineProps {
     readonly type?: "vertical" | "horizontal";
     readonly strokeStyle?: string | CanvasGradient | CanvasPattern;
     readonly lineWidth?: number;
-    readonly lineDash?: strokeDashTypes | Iterable<number> | number[];
+    readonly lineDash?: strokeDashTypes | number[];
     readonly yValue?: number;
     readonly xValue?: number;
 }

packages/tooltip/src/HoverTooltip.tsx

@@ -222,7 +222,7 @@ export class HoverTooltip extends React.Component<HoverTooltipProps> {
     private readonly drawOnCanvas = (ctx: CanvasRenderingContext2D, moreProps) => {
         const pointer = this.helper(ctx, moreProps);
         if (pointer === undefined) {
-            return null;
+            return;
         }
 
         const { height } = moreProps;