Hello, world! For this first post, I’m going to write a few words about laying out SPAs with Material-UI.
We start by taking their example:
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import React from 'react';
import clsx from 'clsx';
import { makeStyles, useTheme } from '@material-ui/core/styles';
import Drawer from '@material-ui/core/Drawer';
import CssBaseline from '@material-ui/core/CssBaseline';
import AppBar from '@material-ui/core/AppBar';
import Toolbar from '@material-ui/core/Toolbar';
import List from '@material-ui/core/List';
import Typography from '@material-ui/core/Typography';
import Divider from '@material-ui/core/Divider';
import IconButton from '@material-ui/core/IconButton';
import MenuIcon from '@material-ui/icons/Menu';
import ChevronLeftIcon from '@material-ui/icons/ChevronLeft';
import ChevronRightIcon from '@material-ui/icons/ChevronRight';
import ListItem from '@material-ui/core/ListItem';
import ListItemIcon from '@material-ui/core/ListItemIcon';
import ListItemText from '@material-ui/core/ListItemText';
import InboxIcon from '@material-ui/icons/MoveToInbox';
import MailIcon from '@material-ui/icons/Mail';
const drawerWidth = 240;
const useStyles = makeStyles((theme) => ({
root: {
display: 'flex',
},
appBar: {
transition: theme.transitions.create(['margin', 'width'], {
easing: theme.transitions.easing.sharp,
duration: theme.transitions.duration.leavingScreen,
}),
},
appBarShift: {
width: `calc(100% - ${drawerWidth}px)`,
marginLeft: drawerWidth,
transition: theme.transitions.create(['margin', 'width'], {
easing: theme.transitions.easing.easeOut,
duration: theme.transitions.duration.enteringScreen,
}),
},
menuButton: {
marginRight: theme.spacing(2),
},
hide: {
display: 'none',
},
drawer: {
width: drawerWidth,
flexShrink: 0,
},
drawerPaper: {
width: drawerWidth,
},
drawerHeader: {
display: 'flex',
alignItems: 'center',
padding: theme.spacing(0, 1),
// necessary for content to be below app bar
...theme.mixins.toolbar,
justifyContent: 'flex-end',
},
content: {
flexGrow: 1,
padding: theme.spacing(3),
transition: theme.transitions.create('margin', {
easing: theme.transitions.easing.sharp,
duration: theme.transitions.duration.leavingScreen,
}),
marginLeft: -drawerWidth,
},
contentShift: {
transition: theme.transitions.create('margin', {
easing: theme.transitions.easing.easeOut,
duration: theme.transitions.duration.enteringScreen,
}),
marginLeft: 0,
},
}));
export default function PersistentDrawerLeft() {
const classes = useStyles();
const theme = useTheme();
const [open, setOpen] = React.useState(false);
const handleDrawerOpen = () => {
setOpen(true);
};
const handleDrawerClose = () => {
setOpen(false);
};
return (
<div className={classes.root}>
<CssBaseline />
<AppBar
position="fixed"
className={clsx(classes.appBar, {
[classes.appBarShift]: open,
})}
>
<Toolbar>
<IconButton
color="inherit"
aria-label="open drawer"
onClick={handleDrawerOpen}
edge="start"
className={clsx(classes.menuButton, open && classes.hide)}
>
<MenuIcon />
</IconButton>
<Typography variant="h6" noWrap>
Persistent drawer
</Typography>
</Toolbar>
</AppBar>
<Drawer
className={classes.drawer}
variant="persistent"
anchor="left"
open={open}
classes={{
paper: classes.drawerPaper,
}}
>
<div className={classes.drawerHeader}>
<IconButton onClick={handleDrawerClose}>
{theme.direction === 'ltr' ? <ChevronLeftIcon /> : <ChevronRightIcon />}
</IconButton>
</div>
<Divider />
<List>
{['Inbox', 'Starred', 'Send email', 'Drafts'].map((text, index) => (
<ListItem button key={text}>
<ListItemIcon>{index % 2 === 0 ? <InboxIcon /> : <MailIcon />}</ListItemIcon>
<ListItemText primary={text} />
</ListItem>
))}
</List>
<Divider />
<List>
{['All mail', 'Trash', 'Spam'].map((text, index) => (
<ListItem button key={text}>
<ListItemIcon>{index % 2 === 0 ? <InboxIcon /> : <MailIcon />}</ListItemIcon>
<ListItemText primary={text} />
</ListItem>
))}
</List>
</Drawer>
<main
className={clsx(classes.content, {
[classes.contentShift]: open,
})}
>
<div className={classes.drawerHeader} />
<Typography paragraph>
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt
ut labore et dolore magna aliqua. Rhoncus dolor purus non enim praesent elementum
facilisis leo vel. Risus at ultrices mi tempus imperdiet. Semper risus in hendrerit
gravida rutrum quisque non tellus. Convallis convallis tellus id interdum velit laoreet id
donec ultrices. Odio morbi quis commodo odio aenean sed adipiscing. Amet nisl suscipit
adipiscing bibendum est ultricies integer quis. Cursus euismod quis viverra nibh cras.
Metus vulputate eu scelerisque felis imperdiet proin fermentum leo. Mauris commodo quis
imperdiet massa tincidunt. Cras tincidunt lobortis feugiat vivamus at augue. At augue eget
arcu dictum varius duis at consectetur lorem. Velit sed ullamcorper morbi tincidunt. Lorem
donec massa sapien faucibus et molestie ac.
</Typography>
<Typography paragraph>
Consequat mauris nunc congue nisi vitae suscipit. Fringilla est ullamcorper eget nulla
facilisi etiam dignissim diam. Pulvinar elementum integer enim neque volutpat ac
tincidunt. Ornare suspendisse sed nisi lacus sed viverra tellus. Purus sit amet volutpat
consequat mauris. Elementum eu facilisis sed odio morbi. Euismod lacinia at quis risus sed
vulputate odio. Morbi tincidunt ornare massa eget egestas purus viverra accumsan in. In
hendrerit gravida rutrum quisque non tellus orci ac. Pellentesque nec nam aliquam sem et
tortor. Habitant morbi tristique senectus et. Adipiscing elit duis tristique sollicitudin
nibh sit. Ornare aenean euismod elementum nisi quis eleifend. Commodo viverra maecenas
accumsan lacus vel facilisis. Nulla posuere sollicitudin aliquam ultrices sagittis orci a.
</Typography>
</main>
</div>
);
}
Wait! What is that? position="fixed"? marginLeft: drawerWidth? Why can’t it be flex🤩?
Let’s spice it up a little bit:
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appBar: {
width: '100%',
transition: theme.transitions.create(['margin', 'width'], {
easing: theme.transitions.easing.sharp,
duration: theme.transitions.duration.leavingScreen,
}),
},
appBarShift: {
width: `calc(100% - ${drawerWidth}px)`,
transition: theme.transitions.create(['margin', 'width'], {
easing: theme.transitions.easing.easeOut,
duration: theme.transitions.duration.enteringScreen,
}),
},
drawerCollapsed: {
width: 0,
},
content: {
flexGrow: 1,
padding: theme.spacing(3),
transition: theme.transitions.create('width', {
easing: theme.transitions.easing.sharp,
duration: theme.transitions.duration.leavingScreen,
}),
width: '100%',
},
contentShift: {
transition: theme.transitions.create('width', {
easing: theme.transitions.easing.easeOut,
duration: theme.transitions.duration.enteringScreen,
}),
width: `calc(100% - ${drawerWidth}px)`,
},
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<Drawer
className={clsx(classes.drawer, !open && classes.drawerCollapsed)}
variant="persistent"
anchor="left"
open={open}
classes={{
paper: classes.drawerPaper,
}}
>
The trick was to hide the entire drawer. But something in the animation is still not right:
That’s because we are not animating the drawer!
🛠 Let’s add a transition to the drawer:
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drawer: {
width: drawerWidth,
flexShrink: 0,
transition: theme.transitions.create('width', {
easing: theme.transitions.easing.easeOut,
duration: theme.transitions.duration.enteringScreen,
}),
},
drawerCollapsed: {
width: 0,
transition: theme.transitions.create('width', {
easing: theme.transitions.easing.sharp,
duration: theme.transitions.duration.leavingScreen,
}),
},
And Voilà! A perfect animation:
The complete code is available here.
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