From 69f65665da9b029036012bc88af7a36bde23be49 Mon Sep 17 00:00:00 2001
From: Roman Bruckner <bruckner.roman@gmail.com>
Date: Wed, 14 Aug 2024 16:36:49 +0200
Subject: [PATCH] add typescript definition

---
 packages/joint-core/test/ts/index.test.ts | 24 +++++++++++++
 packages/joint-core/types/joint.d.ts      | 44 +++++++++++++++++++++++
 2 files changed, 68 insertions(+)

diff --git a/packages/joint-core/test/ts/index.test.ts b/packages/joint-core/test/ts/index.test.ts
index e458c7ad6..621a715ed 100644
--- a/packages/joint-core/test/ts/index.test.ts
+++ b/packages/joint-core/test/ts/index.test.ts
@@ -198,3 +198,27 @@ rectangle.prop({ size: { width: 100 }});
 new joint.shapes.standard.Rectangle({
     position: { x: 100 },
 });
+
+class MyElement extends joint.dia.Element {
+
+    static attributes = {
+        'empty-attribute': {},
+        'set1-attribute': {
+            set: 'alias',
+            unset: 'alias'
+        },
+        'set2-attribute': {
+            set: () => ({ 'alias': 21 }),
+            unset: ['alias']
+        },
+        'set3-attribute': {
+            set: function() { return 21; },
+        },
+        'position-attribute': {
+            position: () => ({ x: 5, y: 7 })
+        },
+        'offset-attribute': {
+            offset: () => ({ x: 11, y: 13 })
+        },
+    };
+}
diff --git a/packages/joint-core/types/joint.d.ts b/packages/joint-core/types/joint.d.ts
index 2ef0c9547..1dadb7be4 100644
--- a/packages/joint-core/types/joint.d.ts
+++ b/packages/joint-core/types/joint.d.ts
@@ -334,6 +334,46 @@ export namespace dia {
         interface ConstructorOptions extends Graph.Options {
             mergeArrays?: boolean;
         }
+
+        type UnsetCallback<V> = (
+            this: V,
+            node: Element,
+            nodeAttributes: { [name: string]: any },
+            cellView: V
+        ) => string | Array<string> | null | void;
+
+        type SetCallback<V> = (
+            this: V,
+            attributeValue: any,
+            refBBox: g.Rect,
+            nodeAttributes: { [name: string]: any },
+            cellView: V
+        ) => { [key: string]: any } | string | number;
+
+        type PositionCallback<V> = (
+            this: V,
+            attributeValue: any,
+            refBBox: g.Rect,
+            node: Element,
+            nodeAttributes: { [name: string]: any },
+            cellView: V
+        ) => dia.Point | null | void;
+
+        type OffsetCallback<V> = (
+            this: V,
+            attributeValue: any,
+            nodeBBox: g.Rect,
+            node: Element,
+            nodeAttributes: { [name: string]: any },
+            cellView: V
+        ) => dia.Point | null | void;
+
+        interface SpecialAttribute<V = dia.CellView> {
+            set?: SetCallback<V> | string;
+            unset?: UnsetCallback<V> | string | Array<string>;
+            position?: PositionCallback<V>;
+            offset?: OffsetCallback<V>;
+        }
     }
 
     class Cell<A extends ObjectHash = Cell.Attributes, S extends mvc.ModelSetOptions = dia.ModelSetOptions> extends mvc.Model<A, S> {
@@ -568,6 +608,8 @@ export namespace dia {
         protected generatePortId(): string | number;
 
         static define(type: string, defaults?: any, protoProps?: any, staticProps?: any): Cell.Constructor<Element>;
+
+        static attributes: { [attributeName: string]: Cell.SpecialAttribute<ElementView> };
     }
 
     // dia.Link
@@ -716,6 +758,8 @@ export namespace dia {
         translate(tx: number, ty: number, opt?: S): this;
 
         static define(type: string, defaults?: any, protoProps?: any, staticProps?: any): Cell.Constructor<Link>;
+
+        static attributes: { [attributeName: string]: Cell.SpecialAttribute<LinkView> };
     }
 
     // dia.CellView