Table of Contents

• Demo
• Installation
• Usage
• Options
• Todo
• License

Demo

Demo

Installation

npm install -save react-nestable-ext

yarn add react-nestable-ext

Usage

import Nestable from 'react-nestable';

// this usually goes once
// to the entry point of the whole app
// (e.g. src/index.js)
import 'react-nestable/dist/styles/index.css';

every item must have a unique id in order to distinguish elements

const items = [
  { id: 0, text: 'Andy' },
  {
    id: 1, text: 'Harry',
    children: [
      { id: 2, text: 'David' }
    ]
  },
  { id: 3, text: 'Lisa' }
];

const renderItem = ({ item }) => item.text;

const Example = () => (
  <Nestable
    items={items}
    renderItem={renderItem}
  />
)

Options

Property	Type	Default	Description
className	string	undefined	Extra class name which can be passed to a root element.
items	array	[]	Array of items. Every item must be of shape {id: @uniq}.
threshold	number	30	Amount of pixels which mouse should move horizontally before increasing/decreasing level (nesting) of current element.
maxDepth	number	10	Maximum available level of nesting.
collapsed	boolean	false	Are groups collapsed by default.
group	string or number	random string	Different group numbers may be passed if you have more than one nestable component on a page and want some extra styles for portal instances.
handler	node		If you pass it, it will get wrapped with drag handlers and you may use it in your render method.
idProp	string	"id"	Optional name of property for id.
childrenProp	string	"children"	Optional name of property for children.
renderItem	function	({item}) => String(item)	Function for rendering every item. Has a single parameter with keys: item - item from your array, index - number, index of the item, depth - number, depth of the item, collapseIcon - node, icon for items with children (allows you to collapse the group), handler - node, which you have passed via the same property, but wrapped with some additional events.
renderCollapseIcon	function	() => <DefaultIcon />	Function for rendering collapse icon. Has a single parameter with keys: isCollapsed - boolean, true if this group has children and is collapsed.
onChange	function	() => {}	Callback which has a single parameter with keys: items - new array after position was changed, dragItem - item which has been moved, targetPath - array of numbers, those numbers are indices and they make path to a location, to where item has been moved.
confirmChange	function	() => true	Callback which has a single parameter with keys: dragItem - item which is being dragged, destinationParent - item where dragItem is about to land (or null if moving to root). Let function return false if this movement should not happen.

Public methods

Method	Accepts	Description
collapse	string or array	"NONE" - expand all groups; "ALL" - collapse all groups; [] - collapse all groups with ids from given array

License

ISC