diff --git a/.changeset/neat-rockets-lick.md b/.changeset/neat-rockets-lick.md
new file mode 100644
index 0000000..f49030b
--- /dev/null
+++ b/.changeset/neat-rockets-lick.md
@@ -0,0 +1,5 @@
+---
+'@shopify/draggable': patch
+---
+
+Converts DragEvent tests to typescript
diff --git a/src/Draggable/DragEvent/tests/DragEvent.test.js b/src/Draggable/DragEvent/tests/DragEvent.test.js
deleted file mode 100644
index b04dd75..0000000
--- a/src/Draggable/DragEvent/tests/DragEvent.test.js
+++ /dev/null
@@ -1,278 +0,0 @@
-import {
-  DragEvent,
-  DragMoveEvent,
-  DragOutContainerEvent,
-  DragOutEvent,
-  DragOverContainerEvent,
-  DragOverEvent,
-  DragPressureEvent,
-  DragStartEvent,
-  DragStopEvent,
-  DragStoppedEvent,
-} from '../DragEvent';
-
-describe('DragEvent', () => {
-  describe('#constructor', () => {
-    it('should be instance of DragEvent', () => {
-      const event = new DragEvent();
-
-      expect(event).toBeInstanceOf(DragEvent);
-    });
-
-    it('should initialize with `type` of `event`', () => {
-      const event = new DragEvent();
-
-      expect(event.type).toBe('drag');
-    });
-
-    it('should initialize with source', () => {
-      const event = new DragEvent({
-        source: 'expected source',
-      });
-
-      expect(event.source).toBe('expected source');
-    });
-
-    it('should initialize with mirror', () => {
-      const event = new DragEvent({
-        mirror: 'expected mirror',
-      });
-
-      expect(event.mirror).toBe('expected mirror');
-    });
-
-    it('should initialize with sourceContainer', () => {
-      const event = new DragEvent({
-        sourceContainer: 'expected sourceContainer',
-      });
-
-      expect(event.sourceContainer).toBe('expected sourceContainer');
-    });
-
-    it('should initialize with sensorEvent', () => {
-      const event = new DragEvent({
-        sensorEvent: 'expected sensorEvent',
-      });
-
-      expect(event.sensorEvent).toBe('expected sensorEvent');
-    });
-
-    it('should initialize with originalEvent', () => {
-      const event = new DragEvent({
-        sensorEvent: {
-          originalEvent: 'expected originalEvent',
-        },
-      });
-
-      expect(event.originalEvent).toBe('expected originalEvent');
-    });
-  });
-
-  describe('#originalEvent', () => {
-    it('should return null when initialized without sensorEvent', () => {
-      const event = new DragEvent({});
-
-      expect(event.originalEvent).toBeNull();
-    });
-  });
-});
-
-describe('DragStartEvent', () => {
-  describe('#constructor', () => {
-    it('should be instance of DragStartEvent', () => {
-      const event = new DragStartEvent();
-
-      expect(event).toBeInstanceOf(DragStartEvent);
-    });
-
-    it('should initialize with `type` of `drag:start`', () => {
-      const event = new DragStartEvent();
-
-      expect(event.type).toBe('drag:start');
-    });
-  });
-});
-
-describe('DragMoveEvent', () => {
-  describe('#constructor', () => {
-    it('should be instance of DragMoveEvent', () => {
-      const event = new DragMoveEvent();
-
-      expect(event).toBeInstanceOf(DragMoveEvent);
-    });
-
-    it('should initialize with `type` of `drag:move`', () => {
-      const event = new DragMoveEvent();
-
-      expect(event.type).toBe('drag:move');
-    });
-  });
-});
-
-describe('DragOutContainerEvent', () => {
-  describe('#constructor', () => {
-    it('should be instance of DragOutContainerEvent', () => {
-      const event = new DragOutContainerEvent();
-
-      expect(event).toBeInstanceOf(DragOutContainerEvent);
-    });
-
-    it('should initialize with `type` of `drag:out:container`', () => {
-      const event = new DragOutContainerEvent();
-
-      expect(event.type).toBe('drag:out:container');
-    });
-
-    it('should initialize with overContainer', () => {
-      const event = new DragOutContainerEvent({
-        overContainer: 'expected overContainer',
-      });
-
-      expect(event.overContainer).toBe('expected overContainer');
-    });
-  });
-});
-
-describe('DragOutEvent', () => {
-  describe('#constructor', () => {
-    it('should be instance of DragOutEvent', () => {
-      const event = new DragOutEvent();
-
-      expect(event).toBeInstanceOf(DragOutEvent);
-    });
-
-    it('should initialize with `type` of `drag:out`', () => {
-      const event = new DragOutEvent();
-
-      expect(event.type).toBe('drag:out');
-    });
-
-    it('should initialize with overContainer', () => {
-      const event = new DragOutEvent({
-        overContainer: 'expected overContainer',
-      });
-
-      expect(event.overContainer).toBe('expected overContainer');
-    });
-
-    it('should initialize with over', () => {
-      const event = new DragOutEvent({
-        over: 'expected over',
-      });
-
-      expect(event.over).toBe('expected over');
-    });
-  });
-});
-
-describe('DragOverContainerEvent', () => {
-  describe('#constructor', () => {
-    it('should be instance of DragOverContainerEvent', () => {
-      const event = new DragOverContainerEvent();
-
-      expect(event).toBeInstanceOf(DragOverContainerEvent);
-    });
-
-    it('should initialize with `type` of `drag:over:container`', () => {
-      const event = new DragOverContainerEvent();
-
-      expect(event.type).toBe('drag:over:container');
-    });
-
-    it('should initialize with overContainer', () => {
-      const event = new DragOverContainerEvent({
-        overContainer: 'expected overContainer',
-      });
-
-      expect(event.overContainer).toBe('expected overContainer');
-    });
-  });
-});
-
-describe('DragOverEvent', () => {
-  describe('#constructor', () => {
-    it('should be instance of DragOverEvent', () => {
-      const event = new DragOverEvent();
-
-      expect(event).toBeInstanceOf(DragOverEvent);
-    });
-
-    it('should initialize with `type` of `drag:over`', () => {
-      const event = new DragOverEvent();
-
-      expect(event.type).toBe('drag:over');
-    });
-
-    it('should initialize with overContainer', () => {
-      const event = new DragOverEvent({
-        overContainer: 'expected overContainer',
-      });
-
-      expect(event.overContainer).toBe('expected overContainer');
-    });
-
-    it('should initialize with over', () => {
-      const event = new DragOverEvent({
-        over: 'expected over',
-      });
-
-      expect(event.over).toBe('expected over');
-    });
-  });
-});
-
-describe('DragPressureEvent', () => {
-  describe('#constructor', () => {
-    it('should be instance of DragPressureEvent', () => {
-      const event = new DragPressureEvent();
-
-      expect(event).toBeInstanceOf(DragPressureEvent);
-    });
-
-    it('should initialize with `type` of `drag:pressure`', () => {
-      const event = new DragPressureEvent();
-
-      expect(event.type).toBe('drag:pressure');
-    });
-
-    it('should initialize with pressure', () => {
-      const event = new DragPressureEvent({
-        pressure: 'expected pressure',
-      });
-
-      expect(event.pressure).toBe('expected pressure');
-    });
-  });
-});
-
-describe('DragStopEvent', () => {
-  describe('#constructor', () => {
-    it('should be instance of DragStopEvent', () => {
-      const event = new DragStopEvent();
-
-      expect(event).toBeInstanceOf(DragStopEvent);
-    });
-
-    it('should initialize with `type` of `drag:stop`', () => {
-      const event = new DragStopEvent();
-
-      expect(event.type).toBe('drag:stop');
-    });
-  });
-});
-
-describe('DragStoppedEvent', () => {
-  describe('#constructor', () => {
-    it('should be instance of DragStoppedEvent', () => {
-      const event = new DragStoppedEvent();
-
-      expect(event).toBeInstanceOf(DragStoppedEvent);
-    });
-
-    it('should initialize with `type` of `drag:stopped`', () => {
-      const event = new DragStoppedEvent();
-
-      expect(event.type).toBe('drag:stopped');
-    });
-  });
-});
diff --git a/src/Draggable/DragEvent/tests/DragEvent.test.ts b/src/Draggable/DragEvent/tests/DragEvent.test.ts
new file mode 100644
index 0000000..4a45063
--- /dev/null
+++ b/src/Draggable/DragEvent/tests/DragEvent.test.ts
@@ -0,0 +1,371 @@
+import {
+  DragEvent,
+  DragMoveEvent,
+  DragOutContainerEvent,
+  DragOutEvent,
+  DragOverContainerEvent,
+  DragOverEvent,
+  DragPressureEvent,
+  DragStartEvent,
+  DragStopEvent,
+  DragStoppedEvent,
+} from '../DragEvent';
+import {SensorEvent} from '../../Sensors/SensorEvent';
+
+const sensorEvent = new SensorEvent({
+  originalEvent: new Event('click'),
+  clientX: 0,
+  clientY: 0,
+  target: document.createElement('div'),
+  container: document.createElement('div'),
+  originalSource: document.createElement('div'),
+  pressure: 0,
+});
+
+const defaultDragEventOptions = {
+  source: document.createElement('div'),
+  originalSource: document.createElement('div'),
+  mirror: document.createElement('div'),
+  sourceContainer: document.createElement('div'),
+  sensorEvent,
+};
+
+describe('DragEvent', () => {
+  describe('#constructor', () => {
+    it('should be instance of DragEvent', () => {
+      const event = new DragEvent(defaultDragEventOptions);
+
+      expect(event).toBeInstanceOf(DragEvent);
+    });
+
+    it('should initialize with `type` of `event`', () => {
+      const event = new DragEvent(defaultDragEventOptions);
+
+      expect(event.type).toBe('drag');
+    });
+
+    it('should initialize with source', () => {
+      const source = document.createElement('div');
+
+      const event = new DragEvent({
+        ...defaultDragEventOptions,
+        source,
+      });
+
+      expect(event.source).toBe(source);
+    });
+
+    it('should initialize with mirror', () => {
+      const mirror = document.createElement('div');
+
+      const event = new DragEvent({
+        ...defaultDragEventOptions,
+        mirror,
+      });
+
+      expect(event.mirror).toBe(mirror);
+    });
+
+    it('should initialize with sourceContainer', () => {
+      const sourceContainer = document.createElement('div');
+
+      const event = new DragEvent({
+        ...defaultDragEventOptions,
+        sourceContainer,
+      });
+
+      expect(event.sourceContainer).toBe(sourceContainer);
+    });
+
+    it('should initialize with sensorEvent', () => {
+      const event = new DragEvent(defaultDragEventOptions);
+
+      expect(event.sensorEvent).toBe(defaultDragEventOptions.sensorEvent);
+    });
+
+    it('should initialize with originalEvent', () => {
+      const originalEvent = new Event('click');
+
+      const event = new DragEvent({
+        ...defaultDragEventOptions,
+        sensorEvent: new SensorEvent({
+          ...sensorEvent.data,
+          originalEvent,
+        }),
+      });
+
+      expect(event.originalEvent).toBe(originalEvent);
+    });
+  });
+
+  describe('#originalEvent', () => {
+    it('should return null when initialized without sensorEvent', () => {
+      const event = new DragEvent({
+        ...defaultDragEventOptions,
+        sensorEvent: new SensorEvent({
+          ...sensorEvent.data,
+          originalEvent: undefined,
+        }),
+      });
+
+      expect(event.originalEvent).toBeUndefined();
+    });
+  });
+});
+
+describe('DragStartEvent', () => {
+  describe('#constructor', () => {
+    it('should be instance of DragStartEvent', () => {
+      const event = new DragStartEvent(defaultDragEventOptions);
+
+      expect(event).toBeInstanceOf(DragStartEvent);
+    });
+
+    it('should initialize with `type` of `drag:start`', () => {
+      const event = new DragStartEvent(defaultDragEventOptions);
+
+      expect(event.type).toBe('drag:start');
+    });
+  });
+});
+
+describe('DragMoveEvent', () => {
+  describe('#constructor', () => {
+    it('should be instance of DragMoveEvent', () => {
+      const event = new DragMoveEvent(defaultDragEventOptions);
+
+      expect(event).toBeInstanceOf(DragMoveEvent);
+    });
+
+    it('should initialize with `type` of `drag:move`', () => {
+      const event = new DragMoveEvent(defaultDragEventOptions);
+
+      expect(event.type).toBe('drag:move');
+    });
+  });
+});
+
+const defaultDragOutContainerEventOptions = {
+  ...defaultDragEventOptions,
+  overContainer: document.createElement('div'),
+};
+
+describe('DragOutContainerEvent', () => {
+  describe('#constructor', () => {
+    it('should be instance of DragOutContainerEvent', () => {
+      const event = new DragOutContainerEvent(
+        defaultDragOutContainerEventOptions,
+      );
+
+      expect(event).toBeInstanceOf(DragOutContainerEvent);
+    });
+
+    it('should initialize with `type` of `drag:out:container`', () => {
+      const event = new DragOutContainerEvent(
+        defaultDragOutContainerEventOptions,
+      );
+
+      expect(event.type).toBe('drag:out:container');
+    });
+
+    it('should initialize with overContainer', () => {
+      const overContainer = document.createElement('div');
+
+      const event = new DragOutContainerEvent({
+        ...defaultDragOutContainerEventOptions,
+        overContainer,
+      });
+
+      expect(event.overContainer).toBe(overContainer);
+    });
+  });
+});
+
+const defaultDragOutEventOptions = {
+  ...defaultDragEventOptions,
+  overContainer: document.createElement('div'),
+  over: document.createElement('div'),
+};
+
+describe('DragOutEvent', () => {
+  describe('#constructor', () => {
+    it('should be instance of DragOutEvent', () => {
+      const event = new DragOutEvent(defaultDragOutEventOptions);
+
+      expect(event).toBeInstanceOf(DragOutEvent);
+    });
+
+    it('should initialize with `type` of `drag:out`', () => {
+      const event = new DragOutEvent(defaultDragOutEventOptions);
+
+      expect(event.type).toBe('drag:out');
+    });
+
+    it('should initialize with overContainer', () => {
+      const overContainer = document.createElement('div');
+
+      const event = new DragOutEvent({
+        ...defaultDragOutEventOptions,
+        overContainer,
+      });
+
+      expect(event.overContainer).toBe(overContainer);
+    });
+
+    it('should initialize with over', () => {
+      const over = document.createElement('div');
+
+      const event = new DragOutEvent({
+        ...defaultDragOutEventOptions,
+        over,
+      });
+
+      expect(event.over).toBe(over);
+    });
+  });
+});
+
+const defaultDragOverContainerEventOptions = {
+  ...defaultDragEventOptions,
+  overContainer: document.createElement('div'),
+  over: document.createElement('div'),
+};
+
+describe('DragOverContainerEvent', () => {
+  describe('#constructor', () => {
+    it('should be instance of DragOverContainerEvent', () => {
+      const event = new DragOverContainerEvent(
+        defaultDragOverContainerEventOptions,
+      );
+
+      expect(event).toBeInstanceOf(DragOverContainerEvent);
+    });
+
+    it('should initialize with `type` of `drag:over:container`', () => {
+      const event = new DragOverContainerEvent(
+        defaultDragOverContainerEventOptions,
+      );
+
+      expect(event.type).toBe('drag:over:container');
+    });
+
+    it('should initialize with overContainer', () => {
+      const overContainer = document.createElement('div');
+
+      const event = new DragOverContainerEvent({
+        ...defaultDragOverContainerEventOptions,
+        overContainer,
+      });
+
+      expect(event.overContainer).toBe(overContainer);
+    });
+  });
+});
+
+const defaultDragOverEventOptions = {
+  ...defaultDragEventOptions,
+  overContainer: document.createElement('div'),
+  over: document.createElement('div'),
+};
+
+describe('DragOverEvent', () => {
+  describe('#constructor', () => {
+    it('should be instance of DragOverEvent', () => {
+      const event = new DragOverEvent(defaultDragOverEventOptions);
+
+      expect(event).toBeInstanceOf(DragOverEvent);
+    });
+
+    it('should initialize with `type` of `drag:over`', () => {
+      const event = new DragOverEvent(defaultDragOverEventOptions);
+
+      expect(event.type).toBe('drag:over');
+    });
+
+    it('should initialize with overContainer', () => {
+      const overContainer = document.createElement('div');
+
+      const event = new DragOverEvent({
+        ...defaultDragOverEventOptions,
+        overContainer,
+      });
+
+      expect(event.overContainer).toBe(overContainer);
+    });
+
+    it('should initialize with over', () => {
+      const over = document.createElement('div');
+
+      const event = new DragOverEvent({
+        ...defaultDragOverEventOptions,
+        over,
+      });
+
+      expect(event.over).toBe(over);
+    });
+  });
+});
+
+const defaultDragPressureEventOptions = {
+  ...defaultDragEventOptions,
+  pressure: 0,
+};
+
+describe('DragPressureEvent', () => {
+  describe('#constructor', () => {
+    it('should be instance of DragPressureEvent', () => {
+      const event = new DragPressureEvent(defaultDragPressureEventOptions);
+
+      expect(event).toBeInstanceOf(DragPressureEvent);
+    });
+
+    it('should initialize with `type` of `drag:pressure`', () => {
+      const event = new DragPressureEvent(defaultDragPressureEventOptions);
+
+      expect(event.type).toBe('drag:pressure');
+    });
+
+    it('should initialize with pressure', () => {
+      const pressure = 0.5;
+
+      const event = new DragPressureEvent({
+        ...defaultDragPressureEventOptions,
+        pressure,
+      });
+
+      expect(event.pressure).toBe(pressure);
+    });
+  });
+});
+
+describe('DragStopEvent', () => {
+  describe('#constructor', () => {
+    it('should be instance of DragStopEvent', () => {
+      const event = new DragStopEvent(defaultDragEventOptions);
+
+      expect(event).toBeInstanceOf(DragStopEvent);
+    });
+
+    it('should initialize with `type` of `drag:stop`', () => {
+      const event = new DragStopEvent(defaultDragEventOptions);
+
+      expect(event.type).toBe('drag:stop');
+    });
+  });
+});
+
+describe('DragStoppedEvent', () => {
+  describe('#constructor', () => {
+    it('should be instance of DragStoppedEvent', () => {
+      const event = new DragStoppedEvent(defaultDragEventOptions);
+
+      expect(event).toBeInstanceOf(DragStoppedEvent);
+    });
+
+    it('should initialize with `type` of `drag:stopped`', () => {
+      const event = new DragStoppedEvent(defaultDragEventOptions);
+
+      expect(event.type).toBe('drag:stopped');
+    });
+  });
+});
diff --git a/src/Draggable/Sensors/SensorEvent/SensorEvent.ts b/src/Draggable/Sensors/SensorEvent/SensorEvent.ts
index 6a7a09c..8411c0a 100644
--- a/src/Draggable/Sensors/SensorEvent/SensorEvent.ts
+++ b/src/Draggable/Sensors/SensorEvent/SensorEvent.ts
@@ -1,12 +1,12 @@
 import AbstractEvent from 'shared/AbstractEvent';
 
 interface SensorEventData {
-  originalEvent: Event;
   clientX: number;
   clientY: number;
   target: HTMLElement;
   container: HTMLElement;
   originalSource: HTMLElement;
+  originalEvent?: Event;
   pressure?: number;
 }
 
diff --git a/src/shared/AbstractEvent/AbstractEvent.ts b/src/shared/AbstractEvent/AbstractEvent.ts
index a0941ca..a9eb5ef 100644
--- a/src/shared/AbstractEvent/AbstractEvent.ts
+++ b/src/shared/AbstractEvent/AbstractEvent.ts
@@ -79,7 +79,7 @@ export class AbstractEvent<T> {
    * @param {T} data
    * @return {AbstractEvent}
    */
-  clone(data: T) {
+  clone(data: Partial<T>): AbstractEvent<T> {
     return new (this.constructor as typeof AbstractEvent)({
       ...this.data,
       ...data,