Method isOverTarget

packages/dnd-core/src/DragDropMonitor.js:112–135

(targetId, options = { shallow: false })

  }

  isOverTarget(targetId, options = { shallow: false }) {
    const { shallow } = options;
    if (!this.isDragging()) {
      return false;
    }

    const targetType = this.registry.getTargetType(targetId);
    const draggedItemType = this.getItemType();
    if (!matchesType(targetType, draggedItemType)) {
      return false;
    }

    const targetIds = this.getTargetIds();
    if (!targetIds.length) {
      return false;
    }

    const index = targetIds.indexOf(targetId);
    if (shallow) {
      return index === targetIds.length - 1;
    } else {
      return index > -1;
    }
  }

  getItemType() {
    return this.store.getState().dragOperation.itemType;