Method onBlur

packages/react-aria/src/dnd/DragManager.ts:310–333

(e: FocusEvent)

  }

  onBlur(e: FocusEvent): void {
    let activateButton = this.getCurrentActivateButton();
    // Guard activateButton non-null so this doesn't trip on the case where
    // there's no activate button and the focused element loses focus to nothing
    // (browsers and jsdom 26+ both set relatedTarget to null in that case).
    if (activateButton && e.relatedTarget === activateButton) {
      this.cancelEvent(e);
      return;
    }

    if (getEventTarget(e) !== this.dragTarget.element) {
      this.cancelEvent(e);
    }

    // If nothing is gaining focus, or e.relatedTarget is the window/document (JSDOM),
    // restore focus back to the current drop target if any, or the original drag target.
    if (!e.relatedTarget || !(e.relatedTarget instanceof HTMLElement)) {
      if (this.currentDropTarget) {
        this.currentDropTarget.element.focus();
      } else {
        this.dragTarget.element.focus();
      }
    }
  }

  onClick(e: MouseEvent): void {
    this.cancelEvent(e);