Mui

mui

Material-UI v7 component library patterns including sx prop styling, theme integration, responsive design, and MUI-specific hooks. Use when working with MUI components, styling with sx prop, theme customization, or MUI utilities.

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محتوى SKILL.md

MUI v7 Patterns

Purpose

Material-UI v7 (released March 2025) patterns for component usage, styling with sx prop, theme integration, and responsive design.

Note: MUI v7 breaking changes from v6:

Deep imports no longer work - use package exports field
onBackdropClick removed from Modal - use onClose instead
All components now use standardized slots and slotProps pattern
CSS layers support via enableCssLayer config (works with Tailwind v4)

When to Use This Skill

Styling components with MUI sx prop
Using MUI components (Box, Grid, Paper, Typography, etc.)
Theme customization and usage
Responsive design with MUI breakpoints
MUI-specific utilities and hooks

Quick Start

Basic MUI Component

typescript

import { Box, Typography, Button, Paper } from '@mui/material';
import type { SxProps, Theme } from '@mui/material';

const styles: Record<string, SxProps<Theme>> = {
  container: {
    p: 2,
    display: 'flex',
    flexDirection: 'column',
    gap: 2,
  },
  header: {
    mb: 3,
    fontSize: '1.5rem',
    fontWeight: 600,
  },
};

function MyComponent() {
  return (
    <Paper sx={styles.container}>
      <Typography sx={styles.header}>
        Title
      </Typography>
      <Button variant="contained">
        Action
      </Button>
    </Paper>
  );
}

Styling Patterns

Inline Styles (< 100 lines)

For components with simple styling, define styles at the top:

typescript

import type { SxProps, Theme } from '@mui/material';

const componentStyles: Record<string, SxProps<Theme>> = {
  container: {
    p: 2,
    display: 'flex',
    flexDirection: 'column',
  },
  header: {
    mb: 2,
    color: 'primary.main',
  },
  button: {
    mt: 'auto',
    alignSelf: 'flex-end',
  },
};

function Component() {
  return (
    <Box sx={componentStyles.container}>
      <Typography sx={componentStyles.header}>Header</Typography>
      <Button sx={componentStyles.button}>Action</Button>
    </Box>
  );
}

Separate Styles File (>= 100 lines)

For complex components, create separate style file:

typescript

// UserProfile.styles.ts
import type { SxProps, Theme } from '@mui/material';

export const userProfileStyles: Record<string, SxProps<Theme>> = {
  container: {
    p: 3,
    maxWidth: 800,
    mx: 'auto',
  },
  header: {
    display: 'flex',
    justifyContent: 'space-between',
    alignItems: 'center',
    mb: 3,
  },
  // ... many more styles
};

// UserProfile.tsx
import { userProfileStyles as styles } from './UserProfile.styles';

function UserProfile() {
  return <Box sx={styles.container}>...</Box>;
}

Common Components

Layout Components

typescript

// Box - Generic container
<Box sx={{ p: 2, bgcolor: 'background.paper' }}>
  Content
</Box>

// Paper - Elevated surface
<Paper elevation={2} sx={{ p: 3 }}>
  Content
</Paper>

// Container - Centered content with max-width
<Container maxWidth="lg">
  Content
</Container>

// Stack - Flex container with spacing
<Stack spacing={2} direction="row">
  <Item />
  <Item />
</Stack>

Grid System

typescript

import { Grid } from '@mui/material';

// 12-column grid
<Grid container spacing={2}>
  <Grid item xs={12} md={6}>
    Left half
  </Grid>
  <Grid item xs={12} md={6}>
    Right half
  </Grid>
</Grid>

// Responsive grid
<Grid container spacing={3}>
  <Grid item xs={12} sm={6} md={4} lg={3}>
    Card
  </Grid>
  {/* Repeat for more cards */}
</Grid>

Typography

typescript

<Typography variant="h1">Heading 1</Typography>
<Typography variant="h2">Heading 2</Typography>
<Typography variant="body1">Body text</Typography>
<Typography variant="caption">Small text</Typography>

// With custom styling
<Typography
  variant="h4"
  sx={{
    color: 'primary.main',
    fontWeight: 600,
    mb: 2,
  }}
>
  Custom Heading
</Typography>

Buttons

typescript

// Variants
<Button variant="contained">Contained</Button>
<Button variant="outlined">Outlined</Button>
<Button variant="text">Text</Button>

// Colors
<Button variant="contained" color="primary">Primary</Button>
<Button variant="contained" color="secondary">Secondary</Button>
<Button variant="contained" color="error">Error</Button>

// With icons
import { Add as AddIcon } from '@mui/icons-material';

<Button startIcon={<AddIcon />}>Add Item</Button>

Theme Integration

Using Theme Values

typescript

import { useTheme } from '@mui/material';

function Component() {
  const theme = useTheme();

  return (
    <Box
      sx={{
        p: 2,
        bgcolor: theme.palette.primary.main,
        color: theme.palette.primary.contrastText,
        borderRadius: theme.shape.borderRadius,
      }}
    >
      Themed box
    </Box>
  );
}

Theme in sx Prop

typescript

<Box
  sx={{
    // Access theme in sx
    color: 'primary.main',          // theme.palette.primary.main
    bgcolor: 'background.paper',     // theme.palette.background.paper
    p: 2,                            // theme.spacing(2)
    borderRadius: 1,                 // theme.shape.borderRadius
  }}
>
  Content
</Box>

// Callback for advanced usage
<Box
  sx={(theme) => ({
    color: theme.palette.primary.main,
    '&:hover': {
      color: theme.palette.primary.dark,
    },
  })}
>
  Hover me
</Box>

Responsive Design

Breakpoints

typescript

// Mobile-first responsive values
<Box
  sx={{
    width: {
      xs: '100%',    // 0-600px
      sm: '80%',     // 600-900px
      md: '60%',     // 900-1200px
      lg: '40%',     // 1200-1536px
      xl: '30%',     // 1536px+
    },
  }}
>
  Responsive width
</Box>

// Responsive display
<Box
  sx={{
    display: {
      xs: 'none',    // Hidden on mobile
      md: 'block',   // Visible on desktop
    },
  }}
>
  Desktop only
</Box>

Responsive Typography

typescript

<Typography
  sx={{
    fontSize: {
      xs: '1rem',
      md: '1.5rem',
      lg: '2rem',
    },
    lineHeight: {
      xs: 1.5,
      md: 1.75,
    },
  }}
>
  Responsive text
</Typography>

Forms

typescript

import { TextField, Stack, Button } from '@mui/material';

<Box component="form" onSubmit={handleSubmit}>
  <Stack spacing={2}>
    <TextField
      label="Email"
      type="email"
      value={email}
      onChange={(e) => setEmail(e.target.value)}
      fullWidth
      required
      error={!!errors.email}
      helperText={errors.email}
    />
    <Button type="submit" variant="contained">Submit</Button>
  </Stack>
</Box>

Common Patterns

Card Component

typescript

import { Card, CardContent, CardActions, Typography, Button } from '@mui/material';

<Card>
  <CardContent>
    <Typography variant="h5" component="div">
      Title
    </Typography>
    <Typography variant="body2" color="text.secondary">
      Description
    </Typography>
  </CardContent>
  <CardActions>
    <Button size="small">Learn More</Button>
  </CardActions>
</Card>

Dialog/Modal

typescript

import { Dialog, DialogTitle, DialogContent, DialogActions, Button } from '@mui/material';

<Dialog open={open} onClose={handleClose}>
  <DialogTitle>Confirm Action</DialogTitle>
  <DialogContent>
    Are you sure you want to proceed?
  </DialogContent>
  <DialogActions>
    <Button onClick={handleClose}>Cancel</Button>
    <Button onClick={handleConfirm} variant="contained">
      Confirm
    </Button>
  </DialogActions>
</Dialog>

Loading States

typescript

import { CircularProgress, Skeleton } from '@mui/material';

// Spinner
<Box sx={{ display: 'flex', justifyContent: 'center', p: 3 }}>
  <CircularProgress />
</Box>

// Skeleton
<Stack spacing={1}>
  <Skeleton variant="text" width="60%" />
  <Skeleton variant="rectangular" height={200} />
  <Skeleton variant="text" width="40%" />
</Stack>

MUI-Specific Hooks

useMuiSnackbar

typescript

import { useMuiSnackbar } from '@/hooks/useMuiSnackbar';

function Component() {
  const { showSuccess, showError, showInfo } = useMuiSnackbar();

  const handleSave = async () => {
    try {
      await saveData();
      showSuccess('Saved successfully');
    } catch (error) {
      showError('Failed to save');
    }
  };

  return <Button onClick={handleSave}>Save</Button>;
}

Icons

typescript

import { Add as AddIcon, Delete as DeleteIcon } from '@mui/icons-material';
import { Button, IconButton } from '@mui/material';

<Button startIcon={<AddIcon />}>Add</Button>
<IconButton onClick={handleDelete}><DeleteIcon /></IconButton>

Best Practices

1. Type Your sx Props

typescript

import type { SxProps, Theme } from '@mui/material';

// ✅ Good
const styles: Record<string, SxProps<Theme>> = {
  container: { p: 2 },
};

// ❌ Avoid
const styles = {
  container: { p: 2 }, // No type safety
};

2. Use Theme Tokens

typescript

// ✅ Good: Use theme tokens
<Box sx={{ color: 'primary.main', p: 2 }} />

// ❌ Avoid: Hardcoded values
<Box sx={{ color: '#1976d2', padding: '16px' }} />

3. Consistent Spacing

typescript

// ✅ Good: Use spacing scale
<Box sx={{ p: 2, mb: 3, mt: 1 }} />

// ❌ Avoid: Random pixel values
<Box sx={{ padding: '17px', marginBottom: '25px' }} />

Additional Resources

For more detailed patterns, see:

styling-guide.md - Advanced styling patterns
component-library.md - Component examples
theme-customization.md - Theme setup

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