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@react-stately/tree

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@react-stately/tree

Spectrum UI components in React

  • 3.0.0-nightly.2946
  • Source
  • npm
  • Socket score

Version published
Weekly downloads
1.1M
increased by15.18%
Maintainers
2
Weekly downloads
 
Created

What is @react-stately/tree?

@react-stately/tree is a library for managing state in tree-like structures in React applications. It provides hooks and utilities to handle tree data, selection, expansion, and other common tree operations.

What are @react-stately/tree's main functionalities?

Tree Data Management

This feature allows you to manage tree data structures. The `useTreeState` hook initializes the tree state with the given tree data and selection mode.

import { useTreeState } from '@react-stately/tree';

const tree = {
  name: 'root',
  children: [
    { name: 'child 1' },
    { name: 'child 2', children: [{ name: 'grandchild 1' }] }
  ]
};

const state = useTreeState({
  tree,
  selectionMode: 'multiple'
});

console.log(state.collection);

Selection Management

This feature allows you to manage selection within the tree. The `selectionManager` provides methods to toggle selection and access selected keys.

import { useTreeState } from '@react-stately/tree';

const tree = {
  name: 'root',
  children: [
    { name: 'child 1' },
    { name: 'child 2', children: [{ name: 'grandchild 1' }] }
  ]
};

const state = useTreeState({
  tree,
  selectionMode: 'multiple'
});

state.selectionManager.toggleSelection('child 1');
console.log(state.selectionManager.selectedKeys);

Expansion Management

This feature allows you to manage the expansion state of tree nodes. The `expansionManager` provides methods to toggle expansion and access expanded keys.

import { useTreeState } from '@react-stately/tree';

const tree = {
  name: 'root',
  children: [
    { name: 'child 1' },
    { name: 'child 2', children: [{ name: 'grandchild 1' }] }
  ]
};

const state = useTreeState({
  tree,
  selectionMode: 'multiple'
});

state.expansionManager.toggleExpansion('child 2');
console.log(state.expansionManager.expandedKeys);

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Package last updated on 06 Jun 2024

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