Method previous

packages/react-aria/src/dnd/DragManager.ts:492–525

()

  }

  previous(): void {
    // let activateButton = this.getCurrentActivateButton();
    // if (activateButton && document.activeElement === activateButton) {
    //   let target = this.currentDropItem ?? this.currentDropTarget;
    //   if (target) {
    //     target.element.focus();
    //     return;
    //   }
    // }

    if (!this.currentDropTarget) {
      this.setCurrentDropTarget(this.validDropTargets[this.validDropTargets.length - 1]);
      return;
    }

    let index = this.validDropTargets.indexOf(this.currentDropTarget);
    if (index < 0) {
      this.setCurrentDropTarget(this.validDropTargets[this.validDropTargets.length - 1]);
      return;
    }

    // If we've reached the start of the valid drop targets, cycle back to the original drag target.
    // This lets the user cancel the drag in case they don't have an Escape key (e.g. iPad keyboard case).
    if (index === 0) {
      if (!this.dragTarget.element.closest('[aria-hidden="true"], [inert]')) {
        this.setCurrentDropTarget(null);
        this.dragTarget.element.focus();
      } else {
        this.setCurrentDropTarget(this.validDropTargets[this.validDropTargets.length - 1]);
      }
    } else {
      this.setCurrentDropTarget(this.validDropTargets[index - 1]);
    }
  }

  findNearestDropTarget(): number {
    let dragTargetRect = this.dragTarget.element.getBoundingClientRect();