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index.js
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index.js
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import React, { useRef, Fragment, useEffect, useState } from 'react';
import { render } from 'react-dom';
import { BrowserRouter as Router, Route, Link } from 'react-router-dom';
import { Helmet } from 'react-helmet';
import classNames from 'classnames';
import Home from './Home';
import Footer from './Home/Footer';
import {
TopBar,
MenuBar,
TopBarTrigger,
TopBarItem,
Workspace,
SideBar,
SideBarItem,
SkipLink,
OptionsMenuList,
TopBarMenu,
Icon,
ThemeProvider
} from '@deque/cauldron-react';
import logo from './assets/img/logo.svg';
import darkLogo from './assets/img/dark-logo.svg';
import '@fontsource/roboto';
import '@fontsource/roboto/500.css';
import '@fontsource/roboto/300.css';
import '@fontsource/roboto/700.css';
import '@fontsource/lato';
import '@fontsource/pt-mono';
// styles
import '../packages/styles';
import '@deque/cauldron-react/cauldron.css';
import './index.css';
import { useThemeContext } from '../packages/react/lib';
const CAULDRON_THEME_STORAGE_KEY = 'cauldron_theme';
const componentsList = [
'Button',
'Pointout',
'Alert',
'Modal',
'TopBarMenu',
'Toast',
'Loader',
'Layout',
'OptionsMenu',
'Panel',
'Select',
'RadioCardGroup',
'RadioGroup',
'Checkbox',
'ClickOutsideListener',
'Tooltip',
'TooltipTabstop',
'Card',
'ExpandCollapsePanel',
'TextField',
'Link',
'Icon',
'IconButton',
'Code',
'LoaderOverlay',
'Line',
'Tabs',
'Tag',
'Table',
'DescriptionList',
'TopBar',
'Stepper',
'ProgressBar',
'NavBar',
'Address',
'Pagination',
'IssuePanel',
'FieldWrap',
'Breadcrumb',
'TwoColumnPanel',
'Accordion'
].sort();
const App = () => {
const [state, setState] = useState({
show: false,
thin: false
});
const [topBarMenuItem, setTopBarMenuItem] = useState(null);
const [workspace, setWorkspace] = useState(null);
const topBarTrigger = useRef();
const { theme, toggleTheme } = useThemeContext();
const focusTopBarMenuItem = () => {
if (!topBarMenuItem) {
return;
}
topBarMenuItem?.focus();
};
const onTriggerClick = e => {
const { show } = state;
if (e) {
e.preventDefault();
}
if (show && topBarTrigger?.current) {
topBarTrigger?.current?.focus();
}
setState({ show: !show });
};
const toggleMenu = () => {
setState(({ menuOpen }) => ({
menuOpen: !menuOpen
}));
};
const handleClose = () => {
setState({ menuOpen: false });
};
const onSettingsSelect = e => {
if (e.target.id === 'theme') {
localStorage.setItem(
CAULDRON_THEME_STORAGE_KEY,
theme === 'light' ? 'dark' : 'light'
);
toggleTheme();
} else {
setState({
thin: e.target.innerText === 'Thin top bar'
});
}
};
const renderSideBarLink = (pathname, text, isCurrent) => {
return (
<Link
to={{
pathname,
state: {
title: `${text} | Accessible Component Pattern Demo`,
description: `Free Accessible React ${text} Component Pattern from Deque Systems`
}
}}
onClick={() => {
setState({ show: false });
workspace?.focus();
}}
aria-current={isCurrent ? 'page' : null}
>
{text}
</Link>
);
};
const handleTitleChange = location => {
let title = location.pathname.split('/').pop();
location.state = {
description: `Free Accessible React Component Pattern from Deque Systems`
};
if (componentsList.includes(title)) {
location.state.title = `${title} | Accessible Component Pattern Demo`;
} else {
location.state.title = `Cauldron React: Accessible Components Library`;
}
return (
<Helmet title={location.state.title}>
<meta name="description" content={location.state.description} />
</Helmet>
);
};
useEffect(() => {
document.addEventListener('focusTopBarMenu', focusTopBarMenuItem);
return () => {
document.removeEventListener('focusTopBarMenu', focusTopBarMenuItem);
};
}, []);
const { show, thin } = state;
/* eslint-disable jsx-a11y/anchor-has-content */
return (
<Router>
<div>
<Helmet
titleTemplate="%s | Deque Systems"
defaultTitle="Deque Cauldron React"
/>
<SkipLink target={'#main-content'} aria-label="Skip" />
<TopBar role="banner">
<MenuBar thin={thin} hasTrigger>
<TopBarTrigger onClick={onTriggerClick}>
<button
tabIndex={-1}
aria-label="Menu"
aria-haspopup="true"
ref={topBarTrigger}
aria-expanded={show}
>
<Icon type="hamburger-menu" />
</button>
</TopBarTrigger>
<TopBarItem>
<Link to="/" className="MenuItem__logo" tabIndex={-1}>
<img src={theme === 'dark' ? logo : darkLogo} alt="Cauldron" />{' '}
<span aria-hidden="true">Cauldron</span>
</Link>
</TopBarItem>
{/* The below line demonstrates the ability to conditionally include menu item children. */}
{false && <TopBarItem>Potato</TopBarItem>}
<TopBarMenu
id="topbar-menu"
className="MenuItem--align-right MenuItem--separator MenuItem--arrow-down"
menuItemRef={el => setTopBarMenuItem}
>
<div className="TopBar__item--icon">
{thin ? (
<Icon type="gears" label="Settings" />
) : (
<Fragment>
<Icon type="gears" />
<div>Settings</div>
</Fragment>
)}
</div>
<OptionsMenuList onSelect={onSettingsSelect}>
<li>Default top bar</li>
<li>Thin top bar</li>
<li id="theme">{theme === 'dark' ? 'Light' : 'Dark'} Theme</li>
</OptionsMenuList>
</TopBarMenu>
<TopBarItem className="MenuItem--separator">
<a
href="https://github.com/dequelabs/cauldron"
className="fa fa-github"
aria-label="Cauldron on GitHub"
tabIndex={-1}
/>
</TopBarItem>
</MenuBar>
</TopBar>
<SideBar
show={state.show}
onDismiss={onTriggerClick}
className="SideBar--with-footer"
>
{componentsList.map(name => {
const pathname = `/components/${name}`;
const isActive = pathname === location.pathname;
return (
<SideBarItem
key={name}
className={classNames({
'MenuItem--active': isActive
})}
>
{renderSideBarLink(pathname, name, isActive)}
</SideBarItem>
);
})}
</SideBar>
<Workspace
id="main-content"
workspaceRef={el => setWorkspace}
tabIndex={-1}
>
<Route exact path="/" component={Home} />
{componentsList.map(name => {
const DemoComponent = require(`./patterns/components/${name}`)
.default;
return (
<Route
key={name}
exact
path={`/components/${name}`}
component={DemoComponent}
/>
);
})}
<Route component={({ location }) => handleTitleChange(location)} />
</Workspace>
<Footer theme={theme} />
</div>
</Router>
);
/* eslint-enable jsx-a11y/anchor-has-content */
};
const initialTheme =
localStorage.getItem(CAULDRON_THEME_STORAGE_KEY) ||
(window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)')
? 'dark'
: 'light');
render(
<ThemeProvider initialTheme={initialTheme}>
<App />
</ThemeProvider>,
document.getElementById('root')
);