Skill: mobx-formkit-sortable

Mission

Guide the user through implementing sortable/reorderable array fields in mobx-formkit using the move() method and drag-and-drop libraries.

Use this skill when the user needs to:

• Reorder array fields with drag-and-drop
• Use up/down buttons to reorder items
• Sort dynamic field collections
• Preserve field bindings and validation during reordering

The move() Method

The move(fromIndex, toIndex) method is available on every Form and Field instance: