reactjs/react-modal
React Modal
This project is an accessible modal component for React applications. It provides a dialog window that overlays main content and manages keyboard focus to ensure compatibility with assistive technologies.
The component integrates a portal wrapper to render modal content into a separate DOM node, avoiding layout nesting issues. It uses a focus-trapping system to restrict keyboard navigation to the dialog window and prevent users from tabbing into background page content.
The library covers visibility control, custom portal mounting, and visual styling for dialog windows and overlays. It also manages focus restoration to return keyboard focus to the previously active element after a modal closes.
Features
- Modal Dialogs - Provides an accessible modal dialog component for React that meets screen reader and keyboard navigation standards.
- Focus Restoration - Stores a reference to the previously active element and returns focus to it after the modal closes.
- React Portals - Integrates a portal wrapper to render modal content into a separate DOM node.
- Accessible UI Components - Ships a reusable interface element designed with ARIA and keyboard support to meet web accessibility standards.
- Modal Components - Implements an accessible modal dialog window specifically for React applications.
- Accessibility State Synchronization - Synchronizes internal React state with HTML accessibility attributes to ensure correct screen reader interpretation of modal visibility and role.
- Focus Management - Manages the focus lifecycle of the dialog to restrict keyboard interaction to the active modal window.
- Portal Rendering - Implements portal rendering to ensure the dialog appears above the main layout without z-index or nesting constraints.
- Focus Traps - Implements a focus-trapping loop that restricts keyboard navigation to the dialog window, preventing tabbing into background content.
- Keyboard Navigation Utilities - Provides programmatic focus management to restrict interaction to the dialog and control keyboard-based navigation.
- Modal Components - Provides an accessible system for rendering modal windows that manage focus and keyboard interactions.
- DOM Portals - Uses DOM portals to render the modal content outside the main application hierarchy, avoiding layout and nesting issues.
- Interactive UI Overlays - Provides an interactive UI overlay that can be toggled based on application state or user triggers.
- Modal Display Controllers - Includes utilities for triggering and managing the display of modal windows based on application state.
- Overlays and Modals - Accessible modal dialog component for React.
