Drag and Drop library for React

by React

react-tiny-dnd

Drag and Drop library for React.

Demo

Install via npm

npm install react-tiny-dnd

or

yarn add react-tiny-dnd

Features

  • Vertical lists
  • Easy auto scrolling integration ?
  • Add and remove items with no doubts
  • Variable heights supported by design ?
  • Custom drag handles
  • Multiple drag handlers

Usage

App.js

const [items, setItems] = useState(defaultItems);

const onDrop = (dragIndex: number, overIndex: number) => {
  const nextItems = moveItems(items, dragIndex, overIndex);
  setItems(nextItems);
};

const context = useDraggableContext({
  onDrop,
});

return (
  <>
    {items.map((item, i) => {
      return (
        <DraggableItem context={context} key={item.id} index={i} item={item} />
      );
    })}
  </>
);

DraggableItem.js

const DraggableItem = ({
  index,
  context,
  item,
}) => {
  const {
    listeners, // Handler listeners can be passed to Draggable component as well
    isDragging,
  } = useDraggable(context, index);
  
  return (
    <Draggable context={context} key={item.id} index={index}>
      <Item
        item={item}
        handler={(
          <div className="dnd-icon" {...listeners}>
            <img src={dndIc} alt="dnd" />
          </div>
        )}
      />
    </Draggable>
  );
};

API

useDraggableContext

  • onDrop: Function – fires when the item drops in the desired place
  • snapThreshold?: number – the threshold from which drop areas will be highlighted

Returns DraggableContextType – containing the dragging state

useDraggable

  • context: DraggableContextType – containing the dragging state
  • index: number – uses to identify the item

Returns { listeners: EventHandler[], isDragging: boolean }

Draggable

  • context: DraggableContextType – containing the dragging state
  • index: number – uses to identify the item
  • listeners?: EventHandler[] – containing dragging event handlers and can be passed to your desired handler (one or more)

GitHub

View Github