react-test/docs/data/material/components/breadcrumbs/CustomizedBreadcrumbs.tsx

import * as React from 'react';
import { emphasize, styled } from '@mui/material/styles';
import Breadcrumbs from '@mui/material/Breadcrumbs';
import Chip from '@mui/material/Chip';
import HomeIcon from '@mui/icons-material/Home';
import ExpandMoreIcon from '@mui/icons-material/ExpandMore';

const StyledBreadcrumb = styled(Chip)(({ theme }) => {
  return {
    backgroundColor: theme.palette.grey[100],
    height: theme.spacing(3),
    color: (theme.vars || theme).palette.text.primary,
    fontWeight: theme.typography.fontWeightRegular,
    '&:hover, &:focus': {
      backgroundColor: emphasize(theme.palette.grey[100], 0.06),
      ...theme.applyStyles('dark', {
        backgroundColor: emphasize(theme.palette.grey[800], 0.06),
      }),
    },
    '&:active': {
      boxShadow: theme.shadows[1],
      backgroundColor: emphasize(theme.palette.grey[100], 0.12),
      ...theme.applyStyles('dark', {
        backgroundColor: emphasize(theme.palette.grey[800], 0.12),
      }),
    },
    ...theme.applyStyles('dark', {
      backgroundColor: theme.palette.grey[800],
    }),
  };
}) as typeof Chip; // TypeScript only: need a type cast here because https://github.com/Microsoft/TypeScript/issues/26591

function handleClick(event: React.MouseEvent<Element, MouseEvent>) {
  event.preventDefault();
  console.info('You clicked a breadcrumb.');
}

export default function CustomizedBreadcrumbs() {
  return (
    <div role="presentation" onClick={handleClick}>
      <Breadcrumbs aria-label="breadcrumb">
        <StyledBreadcrumb
          component="a"
          href="#"
          label="Home"
          icon={<HomeIcon fontSize="small" />}
        />
        <StyledBreadcrumb component="a" href="#" label="Catalog" />
        <StyledBreadcrumb
          label="Accessories"
          deleteIcon={<ExpandMoreIcon />}
          onDelete={handleClick}
        />
      </Breadcrumbs>
    </div>
  );
}