diff --git a/package.json b/package.json
index 665cd78..70d149a 100644
--- a/package.json
+++ b/package.json
@@ -75,6 +75,7 @@
     "canvas": "^2.11.2",
     "canvas-5-polyfill": "^0.1.5",
     "chart.js": "^4.4.4",
+    "chartjs-plugin-datalabels": "^2.2.0",
     "eslint": "^9.11.1",
     "eslint-plugin-prettier": "^5.2.1",
     "jest-image-snapshot": "^6.4.0",
diff --git a/src/controllers/DendrogramController.ts b/src/controllers/DendrogramController.ts
index 7343bee..e5a5664 100644
--- a/src/controllers/DendrogramController.ts
+++ b/src/controllers/DendrogramController.ts
@@ -44,9 +44,8 @@ export class DendrogramController extends GraphController {
   /**
    * @hidden
    */
-  // eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
+
   updateEdgeElement(line: EdgeLine, index: number, properties: any, mode: UpdateMode): void {
-    // eslint-disable-next-line no-param-reassign
     properties._orientation = this.options.tree.orientation;
     super.updateEdgeElement(line, index, properties, mode);
   }
@@ -62,10 +61,9 @@ export class DendrogramController extends GraphController {
   /**
    * @hidden
    */
-  // eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
+
   updateElement(point: Element<AnyObject, AnyObject>, index: number, properties: any, mode: UpdateMode): void {
     if (index != null) {
-      // eslint-disable-next-line no-param-reassign
       properties.angle = (this.getParsed(index) as { angle: number }).angle;
     }
     super.updateElement(point, index, properties, mode);
@@ -112,23 +110,20 @@ export class DendrogramController extends GraphController {
 
     const orientation = {
       horizontal: (d: { x: number; y: number; data: { x: number; y: number } }) => {
-        // eslint-disable-next-line no-param-reassign
         d.data.x = d.y - 1;
-        // eslint-disable-next-line no-param-reassign
+
         d.data.y = -d.x + 1;
       },
       vertical: (d: { x: number; y: number; data: { x: number; y: number } }) => {
-        // eslint-disable-next-line no-param-reassign
         d.data.x = d.x - 1;
-        // eslint-disable-next-line no-param-reassign
+
         d.data.y = -d.y + 1;
       },
       radial: (d: { x: number; y: number; data: { x: number; y: number; angle?: number } }) => {
-        // eslint-disable-next-line no-param-reassign
         d.data.x = Math.cos(d.x) * d.y;
-        // eslint-disable-next-line no-param-reassign
+
         d.data.y = Math.sin(d.x) * d.y;
-        // eslint-disable-next-line no-param-reassign
+
         d.data.angle = d.y === 0 ? Number.NaN : d.x;
       },
     };
diff --git a/src/controllers/ForceDirectedGraphController.ts b/src/controllers/ForceDirectedGraphController.ts
index 6556780..62dd5af 100644
--- a/src/controllers/ForceDirectedGraphController.ts
+++ b/src/controllers/ForceDirectedGraphController.ts
@@ -258,9 +258,8 @@ export class ForceDirectedGraphController extends GraphController {
 
     nodes.forEach((node) => {
       if (node._sim) {
-        // eslint-disable-next-line no-param-reassign
         node.x = rescaleX(node._sim.x ?? 0);
-        // eslint-disable-next-line no-param-reassign
+
         node.y = rescaleY(node._sim.y ?? 0);
       }
     });
@@ -284,7 +283,7 @@ export class ForceDirectedGraphController extends GraphController {
     const nodes = (this._cachedMeta._parsed as ITreeSimNode[]).map((node, i) => {
       const simNode: ITreeSimNode['_sim'] = { ...node };
       simNode.index = i;
-      // eslint-disable-next-line no-param-reassign
+
       node._sim = simNode;
       if (!node.reset) {
         return simNode;
@@ -308,7 +307,7 @@ export class ForceDirectedGraphController extends GraphController {
     const nodes = (meta._parsed as ITreeSimNode[]).map((node, i) => {
       const simNode: ITreeSimNode['_sim'] = { ...node };
       simNode.index = i;
-      // eslint-disable-next-line no-param-reassign
+
       node._sim = simNode;
       if (simNode.x === null) {
         delete simNode.x;
@@ -317,7 +316,6 @@ export class ForceDirectedGraphController extends GraphController {
         delete simNode.y;
       }
       if (simNode.x == null && simNode.y == null) {
-        // eslint-disable-next-line no-param-reassign
         node.reset = true;
       }
       return simNode;
diff --git a/src/controllers/GraphController.ts b/src/controllers/GraphController.ts
index 3e568cd..e967c07 100644
--- a/src/controllers/GraphController.ts
+++ b/src/controllers/GraphController.ts
@@ -234,7 +234,7 @@ export class GraphController extends ScatterController {
     this.getDataset = () => {
       return new Proxy(dataset, {
         get(obj: any, prop: string) {
-          return prop === 'data' ? obj.edges ?? [] : obj[prop];
+          return prop === 'data' ? (obj.edges ?? []) : obj[prop];
         },
       });
     };
@@ -259,8 +259,8 @@ export class GraphController extends ScatterController {
     };
 
     function copyPoint(point: { x: number; y: number; angle?: number }) {
-      const x = reset ? base.x : xScale?.getPixelForValue(point.x, 0) ?? 0;
-      const y = reset ? base.y : yScale?.getPixelForValue(point.y, 0) ?? 0;
+      const x = reset ? base.x : (xScale?.getPixelForValue(point.x, 0) ?? 0);
+      const y = reset ? base.y : (yScale?.getPixelForValue(point.y, 0) ?? 0);
       return {
         x,
         y,
@@ -301,7 +301,7 @@ export class GraphController extends ScatterController {
   /**
    * @hidden
    */
-  // eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
+
   updateEdgeElement(edge: EdgeLine, index: number, properties: any, mode: UpdateMode): void {
     super.updateElement(edge as unknown as Element<AnyObject, AnyObject>, index, properties, mode);
   }
@@ -309,12 +309,12 @@ export class GraphController extends ScatterController {
   /**
    * @hidden
    */
-  // eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
+
   updateElement(point: Element<AnyObject, AnyObject>, index: number, properties: any, mode: UpdateMode): void {
     if (mode === 'reset') {
       // start in center also in x
       const { xScale } = this._cachedMeta;
-      // eslint-disable-next-line no-param-reassign
+
       properties.x = xScale?.getBasePixel() ?? 0;
     }
     super.updateElement(point, index, properties, mode);
@@ -345,7 +345,6 @@ export class GraphController extends ScatterController {
       return index;
     }
 
-    // eslint-disable-next-line no-console
     console.warn('cannot resolve edge ref', ref);
     return -1;
   }
@@ -501,7 +500,6 @@ export class GraphController extends ScatterController {
     meta.edges = metaData;
 
     for (let i = 0; i < edges.length; i += 1) {
-      // eslint-disable-next-line new-cap
       metaData[i] = new this.edgeElementType();
     }
   }
@@ -515,7 +513,6 @@ export class GraphController extends ScatterController {
     const metaData = meta.edges || (meta.edges = []);
 
     for (let i = 0; i < edges.length; i += 1) {
-      // eslint-disable-next-line new-cap
       metaData[i] = metaData[i] || new this.edgeElementType();
     }
     if (edges.length < metaData.length) {
@@ -549,7 +546,6 @@ export class GraphController extends ScatterController {
   _insertEdgeElements(start: number, count: number): void {
     const elements = [];
     for (let i = 0; i < count; i += 1) {
-      // eslint-disable-next-line new-cap
       elements.push(new this.edgeElementType());
     }
     (this._cachedMeta as unknown as IExtendedChartMeta).edges.splice(start, 0, ...elements);
@@ -557,17 +553,14 @@ export class GraphController extends ScatterController {
     this._scheduleResyncLayout();
   }
 
-  // eslint-disable-next-line class-methods-use-this
   reLayout(): void {
     // hook
   }
 
-  // eslint-disable-next-line class-methods-use-this
   resetLayout(): void {
     // hook
   }
 
-  // eslint-disable-next-line class-methods-use-this
   stopLayout(): void {
     // hook
   }
@@ -585,7 +578,6 @@ export class GraphController extends ScatterController {
     });
   }
 
-  // eslint-disable-next-line class-methods-use-this
   resyncLayout(): void {
     // hook
   }
diff --git a/yarn.lock b/yarn.lock
index d505661..4dd5194 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2231,6 +2231,7 @@ __metadata:
     canvas: "npm:^2.11.2"
     canvas-5-polyfill: "npm:^0.1.5"
     chart.js: "npm:^4.4.4"
+    chartjs-plugin-datalabels: "npm:^2.2.0"
     d3-dispatch: "npm:^3.0.1"
     d3-force: "npm:^3.0.0"
     d3-hierarchy: "npm:^3.1.2"
@@ -2262,6 +2263,15 @@ __metadata:
   languageName: unknown
   linkType: soft
 
+"chartjs-plugin-datalabels@npm:^2.2.0":
+  version: 2.2.0
+  resolution: "chartjs-plugin-datalabels@npm:2.2.0"
+  peerDependencies:
+    chart.js: ">=3.0.0"
+  checksum: 10c0/de4855a795e4eef34869a16db1a8a0f905b6dfed0258c733338f472625361eb56fb899214b18651c1c1064cd343a78285ba576576693a40ec51285a84f022ea0
+  languageName: node
+  linkType: hard
+
 "check-error@npm:^2.1.1":
   version: 2.1.1
   resolution: "check-error@npm:2.1.1"