maxGraph · tbouffard · Sep 24, 2025 · Sep 23, 2025 · Sep 24, 2025 · Sep 24, 2025
diff --git a/packages/core/__tests__/utils.ts b/packages/core/__tests__/utils.ts
@@ -15,7 +15,6 @@ limitations under the License.
 */
 
 import { Cell, type CellStateStyle, Graph } from '../src';
-import { jest } from '@jest/globals';
 
 /**
  * Creates a new {@link Graph} without `container` (use the default value of the parameters).

diff --git a/packages/core/__tests__/view/mixins/ConnectionsMixin.test.ts b/packages/core/__tests__/view/mixins/ConnectionsMixin.test.ts
@@ -47,10 +47,10 @@ describe('getAllConnectionConstraints', () => {
         super(null!);
         this.constraints = constraints;
       }
-      parseDescription() {
+      override parseDescription() {
         // do nothing
       }
-      parseConstraints() {
+      override parseConstraints() {
         // do nothing, constraints passed in constructor
       }
     }

diff --git a/packages/core/src/serialization/codecs/CellCodec.ts b/packages/core/src/serialization/codecs/CellCodec.ts
@@ -72,14 +72,14 @@ export class CellCodec extends ObjectCodec {
   /**
    * Overridden to disable conversion of value to number.
    */
-  isNumericAttribute(dec: Codec, attr: Element, obj: Cell) {
+  override isNumericAttribute(dec: Codec, attr: Element, obj: Cell) {
     return attr.nodeName !== 'value' && super.isNumericAttribute(dec, attr, obj);
   }
 
   /**
    * Excludes user objects that are XML nodes.
    */
-  isExcluded(obj: Cell, attr: string, value: Element, isWrite: boolean) {
+  override isExcluded(obj: Cell, attr: string, value: Element, isWrite: boolean) {
     return (
       super.isExcluded(obj, attr, value, isWrite) ||
       (isWrite && attr === 'value' && isElement(value))
@@ -89,7 +89,7 @@ export class CellCodec extends ObjectCodec {
   /**
    * Encodes a {@link Cell} and wraps the XML up inside the XML of the user object (inversion).
    */
-  afterEncode(enc: Codec, obj: Cell, node: Element) {
+  override afterEncode(enc: Codec, obj: Cell, node: Element) {
     if (isElement(obj.value)) {
       // Wraps the graphical annotation up in the user object (inversion)
       // by putting the result of the default encoding into a clone of the
@@ -111,7 +111,7 @@ export class CellCodec extends ObjectCodec {
   /**
    * Decodes an {@link Cell} and uses the enclosing XML node as the user object for the cell (inversion).
    */
-  beforeDecode(dec: Codec, node: Element, obj: Cell): Element | null {
+  override beforeDecode(dec: Codec, node: Element, obj: Cell): Element | null {
     let inner: Element | null = <Element>node.cloneNode(true);
     const classname = this.getName();
 

diff --git a/packages/core/src/serialization/codecs/ChildChangeCodec.ts b/packages/core/src/serialization/codecs/ChildChangeCodec.ts
@@ -51,7 +51,7 @@ export class ChildChangeCodec extends ObjectCodec {
    * Returns `true` for the child attribute if the child cell had a previous parent or if we're reading the
    * child as an attribute rather than a child node, in which case it's always a reference.
    */
-  isReference(obj: any, attr: string | null, value: any, isWrite: boolean) {
+  override isReference(obj: any, attr: string | null, value: any, isWrite: boolean) {
     if (attr === 'child' && (!isWrite || obj.model.contains(obj.previous))) {
       return true;
     }
@@ -61,7 +61,7 @@ export class ChildChangeCodec extends ObjectCodec {
   /**
    * Excludes references to parent or previous if not in the model.
    */
-  isExcluded(obj: any, attr: string, value: any, write: boolean) {
+  override isExcluded(obj: any, attr: string, value: any, write: boolean) {
     return (
       super.isExcluded(obj, attr, value, write) ||
       (write &&
@@ -74,7 +74,7 @@ export class ChildChangeCodec extends ObjectCodec {
   /**
    * Encodes the child recursively and adds the result to the given node.
    */
-  afterEncode(enc: Codec, obj: any, node: Element) {
+  override afterEncode(enc: Codec, obj: any, node: Element) {
     if (this.isReference(obj, 'child', obj.child, true)) {
       // Encodes as reference (id)
       node.setAttribute('child', enc.getId(obj.child));
@@ -92,7 +92,7 @@ export class ChildChangeCodec extends ObjectCodec {
   /**
    * Decodes any child nodes as using the respective codec from the registry.
    */
-  beforeDecode(dec: Codec, _node: Element, obj: any): any {
+  override beforeDecode(dec: Codec, _node: Element, obj: any): any {
     if (isElement(_node.firstChild)) {
       // Makes sure the original node isn't modified
       const node = _node.cloneNode(true);
@@ -135,7 +135,7 @@ export class ChildChangeCodec extends ObjectCodec {
   /**
    * Restores object state in the child change.
    */
-  afterDecode(dec: Codec, node: Element, obj: any): any {
+  override afterDecode(dec: Codec, node: Element, obj: any): any {
     // Cells are decoded here after a complete transaction so the previous
     // parent must be restored on the cell for the case where the cell was
     // added. This is needed for the local model to identify the cell as a

diff --git a/packages/core/src/serialization/codecs/GenericChangeCodec.ts b/packages/core/src/serialization/codecs/GenericChangeCodec.ts
@@ -52,7 +52,7 @@ export class GenericChangeCodec extends ObjectCodec {
   /**
    * Restores the state by assigning the previous value.
    */
-  afterDecode(dec: Codec, _node: Element, obj: any): any {
+  override afterDecode(dec: Codec, _node: Element, obj: any): any {
     // Allows forward references in sessions. This is a workaround
     // for the sequence of edits in mxGraph.moveCells and cellsAdded.
     if (isNode(obj.cell)) {

diff --git a/packages/core/src/serialization/codecs/ModelCodec.ts b/packages/core/src/serialization/codecs/ModelCodec.ts
@@ -36,7 +36,7 @@ export class ModelCodec extends ObjectCodec {
    * Encodes the given {@link GraphDataModel} by writing a (flat) XML sequence of cell nodes as produced by the {@link CellCodec}.
    * The sequence is wrapped-up in a node with the name `root`.
    */
-  encodeObject(enc: Codec, obj: Cell, node: Element) {
+  override encodeObject(enc: Codec, obj: Cell, node: Element) {
     const rootNode = enc.document.createElement('root');
     enc.encodeCell(obj.getRoot(), rootNode);
     node.appendChild(rootNode);
@@ -45,7 +45,7 @@ export class ModelCodec extends ObjectCodec {
   /**
    * Overrides decode child to handle special child nodes.
    */
-  decodeChild(dec: Codec, child: Element, obj: Cell | GraphDataModel) {
+  override decodeChild(dec: Codec, child: Element, obj: Cell | GraphDataModel) {
     if (child.nodeName === 'root') {
       this.decodeRoot(dec, child, <GraphDataModel>obj);
     } else {

diff --git a/packages/core/src/serialization/codecs/RootChangeCodec.ts b/packages/core/src/serialization/codecs/RootChangeCodec.ts
@@ -43,15 +43,15 @@ export class RootChangeCodec extends ObjectCodec {
   /**
    * Encodes the child recursively.
    */
-  afterEncode(enc: Codec, obj: any, node: Element) {
+  override afterEncode(enc: Codec, obj: any, node: Element) {
     enc.encodeCell(obj.root, node);
     return node;
   }
 
   /**
    * Decodes the optional children as cells using the respective decoder.
    */
-  beforeDecode(dec: Codec, node: Element, obj: any): any {
+  override beforeDecode(dec: Codec, node: Element, obj: any): any {
     if (isElement(node.firstChild)) {
       // Makes sure the original node isn't modified
       node = <Element>node.cloneNode(true);
@@ -76,7 +76,7 @@ export class RootChangeCodec extends ObjectCodec {
   /**
    * Restores the state by assigning the previous value.
    */
-  afterDecode(_dec: Codec, _node: Element, obj: any): any {
+  override afterDecode(_dec: Codec, _node: Element, obj: any): any {
     obj.previous = obj.root;
 
     return obj;

diff --git a/packages/core/src/serialization/codecs/StylesheetCodec.ts b/packages/core/src/serialization/codecs/StylesheetCodec.ts
@@ -44,12 +44,12 @@ export class StylesheetCodec extends ObjectCodec {
    *
    * @default false
    */
-  static allowEval = false;
+  static override allowEval = false;
 
   /**
    * Encodes a stylesheet. See {@link decode} for a description of the format.
    */
-  encode(enc: Codec, obj: Stylesheet): Element {
+  override encode(enc: Codec, obj: Stylesheet): Element {
     const node = enc.document.createElement(this.getName());
 
     for (const styleName of obj.styles.keys()) {
@@ -127,7 +127,7 @@ export class StylesheetCodec extends ObjectCodec {
    * </Stylesheet>
    * ```
    */
-  decode(dec: Codec, _node: Element, into: any): any {
+  override decode(dec: Codec, _node: Element, into: any): any {
     const obj = into || new this.template.constructor();
     const id = _node.getAttribute('id');
 

diff --git a/packages/core/src/serialization/codecs/TerminalChangeCodec.ts b/packages/core/src/serialization/codecs/TerminalChangeCodec.ts
@@ -48,7 +48,7 @@ export class TerminalChangeCodec extends ObjectCodec {
   /**
    * Restores the state by assigning the previous value.
    */
-  afterDecode(_dec: Codec, _node: Element, obj: any): any {
+  override afterDecode(_dec: Codec, _node: Element, obj: any): any {
     obj.previous = obj.terminal;
     return obj;
   }

diff --git a/packages/core/src/serialization/codecs/editor/EditorCodec.ts b/packages/core/src/serialization/codecs/editor/EditorCodec.ts
@@ -103,7 +103,7 @@ export class EditorCodec extends ObjectCodec {
    * </ui>
    * ```
    */
-  afterDecode(_dec: Codec, node: Element, obj: Editor) {
+  override afterDecode(_dec: Codec, node: Element, obj: Editor) {
     // Assigns the specified templates for edges
     const defaultEdge = node.getAttribute('defaultEdge');
 
@@ -119,13 +119,14 @@ export class EditorCodec extends ObjectCodec {
       node.removeAttribute('defaultGroup');
       obj.defaultGroup = obj.templates[defaultGroup];
     }
+
     return obj;
   }
 
   /**
    * Overrides decode child to handle special child nodes.
    */
-  decodeChild(dec: Codec, child: Element, obj: Editor) {
+  override decodeChild(dec: Codec, child: Element, obj: Editor) {
     if (child.nodeName === 'Array') {
       const role = child.getAttribute('as');
 

diff --git a/packages/core/src/serialization/codecs/editor/EditorKeyHandlerCodec.ts b/packages/core/src/serialization/codecs/editor/EditorKeyHandlerCodec.ts
@@ -35,7 +35,7 @@ export class EditorKeyHandlerCodec extends ObjectCodec {
   /**
    * Returns `null`.
    */
-  encode(_enc: Codec, _obj: EditorKeyHandler) {
+  override encode(_enc: Codec, _obj: EditorKeyHandler) {
     return null;
   }
 
@@ -67,7 +67,7 @@ export class EditorKeyHandlerCodec extends ObjectCodec {
    *
    * See also: <EditorKeyHandler.bindAction>, http://www.js-examples.com/page/tutorials__key_codes.html
    */
-  decode(dec: Codec, _node: Element, into: any) {
+  override decode(dec: Codec, _node: Element, into: any) {
     if (into != null) {
       const { editor } = into;
       let node: Element | null = <Element | null>_node.firstChild;

diff --git a/packages/core/src/serialization/codecs/editor/EditorPopupMenuCodec.ts b/packages/core/src/serialization/codecs/editor/EditorPopupMenuCodec.ts
@@ -37,14 +37,14 @@ export class EditorPopupMenuCodec extends ObjectCodec {
   /**
    * Returns null.
    */
-  encode(_enc: Codec, _obj: Element): Element | null {
+  override encode(_enc: Codec, _obj: Element): Element | null {
     return null;
   }
 
   /**
    * Uses the given node as the config for {@link EditorPopupMenu}.
    */
-  decode(dec: Codec, node: Element, into: EditorPopupMenu) {
+  override decode(dec: Codec, node: Element, into: EditorPopupMenu) {
     const inc = node.getElementsByTagName('include')[0];
 
     if (inc != null) {

diff --git a/packages/core/src/serialization/codecs/editor/EditorToolbarCodec.ts b/packages/core/src/serialization/codecs/editor/EditorToolbarCodec.ts
@@ -45,7 +45,7 @@ export class EditorToolbarCodec extends ObjectCodec {
   /**
    * Returns `null`.
    */
-  encode(_enc: any, _obj: any) {
+  override encode(_enc: any, _obj: any) {
     return null;
   }
 
@@ -130,7 +130,7 @@ export class EditorToolbarCodec extends ObjectCodec {
    * </EditorToolbar>
    * ```
    */
-  decode(dec: Codec, _node: Element, into: EditorToolbar) {
+  override decode(dec: Codec, _node: Element, into: EditorToolbar) {
     if (into != null) {
       const editor: Editor = into.editor!;
       let node: Element | null = <Element | null>_node.firstChild;

diff --git a/packages/core/src/serialization/codecs/mxGraph/mxCellCodec.ts b/packages/core/src/serialization/codecs/mxGraph/mxCellCodec.ts
@@ -24,11 +24,11 @@ import type Codec from '../../Codec.js';
  * @category Serialization with Codecs
  */
 export class mxCellCodec extends CellCodec {
-  getName(): string {
+  override getName(): string {
     return 'mxCell';
   }
 
-  decodeAttribute(dec: Codec, attr: any, obj?: any) {
+  override decodeAttribute(dec: Codec, attr: any, obj?: any) {
     const attributeNodeName = attr.nodeName;
     if (obj && attributeNodeName == 'style') {
       obj['style'] = convertStyleFromString(attr.value);

diff --git a/packages/core/src/serialization/codecs/mxGraph/mxGeometryCodec.ts b/packages/core/src/serialization/codecs/mxGraph/mxGeometryCodec.ts
@@ -25,15 +25,15 @@ import Point from '../../../view/geometry/Point.js';
  * @category Serialization with Codecs
  */
 export class mxGeometryCodec extends ObjectCodec {
-  getName(): string {
+  override getName(): string {
     return 'mxGeometry';
   }
 
   constructor() {
     super(new Geometry());
   }
 
-  afterDecode(dec: Codec, node: Element | null, obj?: any): any {
+  override afterDecode(dec: Codec, node: Element | null, obj?: any): any {
     // Convert points to the right form
     // input: [ { x: 420, y: 60 }, ... ]
     // output: [ Point { _x: 420, _y: 60 }, ... ]

diff --git a/packages/core/src/view/animate/Morphing.ts b/packages/core/src/view/animate/Morphing.ts
@@ -89,7 +89,7 @@ class Morphing extends Animation {
   /**
    * Animation step.
    */
-  updateAnimation() {
+  override updateAnimation() {
     super.updateAnimation();
     const move = new CellStatePreview(this.graph);
 

diff --git a/packages/core/src/view/canvas/SvgCanvas2D.ts b/packages/core/src/view/canvas/SvgCanvas2D.ts
@@ -235,7 +235,7 @@ class SvgCanvas2D extends AbstractCanvas2D {
    * Default value for active pointer events.
    * @default all
    */
-  pointerEventsValue = 'all';
+  override pointerEventsValue = 'all';
 
   /**
    * Padding to be added for text that is not wrapped to account for differences in font metrics on different platforms in pixels.
@@ -346,7 +346,7 @@ class SvgCanvas2D extends AbstractCanvas2D {
   /**
    * Rounds all numbers to 2 decimal points.
    */
-  format(value: number) {
+  override format(value: number) {
     return parseFloat(value.toFixed(2));
   }
 
@@ -370,7 +370,7 @@ class SvgCanvas2D extends AbstractCanvas2D {
   /**
    * Returns any offsets for rendering pixels.
    */
-  reset() {
+  override reset() {
     super.reset();
     this.gradients = {};
   }
@@ -879,7 +879,7 @@ class SvgCanvas2D extends AbstractCanvas2D {
   /**
    * Experimental implementation for hyperlinks.
    */
-  setLink(link: string) {
+  override setLink(link: string) {
     if (!link) {
       this.root = this.originalRoot;
     } else {
@@ -903,7 +903,7 @@ class SvgCanvas2D extends AbstractCanvas2D {
   /**
    * Sets the rotation of the canvas. Note that rotation cannot be concatenated.
    */
-  rotate(theta: number, flipH: boolean, flipV: boolean, cx: number, cy: number) {
+  override rotate(theta: number, flipH: boolean, flipV: boolean, cx: number, cy: number) {
     if (theta !== 0 || flipH || flipV) {
       const s = this.state;
       cx += s.dx;
@@ -948,9 +948,9 @@ class SvgCanvas2D extends AbstractCanvas2D {
   }
 
   /**
-   * Extends superclass to create path.
+   * Begins a new path.
    */
-  begin() {
+  override begin() {
     super.begin();
     this.node = this.createElement('path');
   }
-Original file line number
+Diff line change
@@ Expand Up / @@ -15,7 +15,6 @@ limitations under the License. @@
     */
     import { Cell, type CellStateStyle, Graph } from '../src';
-    import { jest } from '@jest/globals';
     /**
      * Creates a new {@link Graph} without `container` (use the default value of the parameters).
@@ Expand Down @@