Merge pull request #681 from paulocfjunior/fix-drag-canvas-state

Fix DragCanvasState to stop handling events after mouse is released

packages/react-canvas-core/src/core-state/AbstractDisplacementState.ts

@@ -35,6 +35,15 @@ export abstract class AbstractDisplacementState<E extends CanvasEngine = CanvasE
 				type: InputType.MOUSE_MOVE,
 				fire: (actionEvent: ActionEvent<React.MouseEvent>) => {
 					const { event } = actionEvent;
+
+					if (event.buttons === 0) {
+						// If buttons is 0, it means the mouse is not down, the user may have released it
+						// outside of the canvas, then we eject the state
+						this.eject();
+						
+						return;
+					}
+
 					this.fireMouseMoved({
 						displacementX: event.clientX - this.initialX,
 						displacementY: event.clientY - this.initialY,