Sider
You can access the logout, dashboard, items elements and collapsed state that we use in our default Sider component by using render properties. Customize it to your needs or you can create a custom <Sider /> component and use it either by passing it to <Refine /> or using a Custom Layout.
You can swizzle this component to customize it with the refine CLI
Customize Sider by Using render property
You can also use the collapsed state to manage the component that you want to add to your Sider component.
Recreating the Default Sider Menu
You can also customize your Sider component by creating the CustomSider component.
When you examine the code of the live-preview example below, you will see the same code that we used for the default sider component. You can create a customized CustomSider component for yourself by following this code.
You can also run the swizzle command to export the source code of the default sider component. Refer to refine CLI for more information.
import React, { useState } from 'react'
import {
  CanAccess,
  ITreeMenu,
  useIsExistAuthentication,
  useLogout,
  useTitle,
  useTranslate,
  useRouterContext,
  useMenu,
  useRefineContext,
} from '@pankod/refine-core'
import {
  Layout,
  Box,
  Drawer,
  MuiList,
  ListItemButton,
  ListItemIcon,
  ListItemText,
  Collapse,
  Tooltip,
  Button,
  IconButton,
  Title as DefaultTitle,
} from '@pankod/refine-mui'
import type { RefineLayoutSiderProps } from '@pankod/refine-mui'
// We use @mui/icons-material for icons but you can use any icon library you want.
import {
  ListOutlined,
  Logout,
  ExpandLess,
  ExpandMore,
  ChevronLeft,
  ChevronRight,
  MenuRounded,
  Dashboard,
} from '@mui/icons-material'
const CustomSider: React.FC<RefineLayoutSiderProps> = ({ render }) => {
  const [collapsed, setCollapsed] = useState(false)
  const [opened, setOpened] = useState(false)
  const drawerWidth = () => {
    if (collapsed) return 64
    return 200
  }
  const t = useTranslate()
  const { Link } = useRouterContext()
  const { hasDashboard } = useRefineContext()
  const translate = useTranslate()
  const { menuItems, selectedKey, defaultOpenKeys } = useMenu()
  const isExistAuthentication = useIsExistAuthentication()
  const { mutate: mutateLogout } = useLogout()
  const Title = useTitle()
  const [open, setOpen] = useState<{ [k: string]: any }>({})
  React.useEffect(() => {
    setOpen((previousOpen) => {
      const previousOpenKeys: string[] = Object.keys(previousOpen)
      const uniqueKeys = new Set([...previousOpenKeys, ...defaultOpenKeys])
      const uniqueKeysRecord = Object.fromEntries(
        Array.from(uniqueKeys.values()).map((key) => [key, true]),
      )
      return uniqueKeysRecord
    })
  }, [defaultOpenKeys])
  const RenderToTitle = Title ?? DefaultTitle
  const handleClick = (key: string) => {
    setOpen({ ...open, [key]: !open[key] })
  }
  const renderTreeView = (tree: ITreeMenu[], selectedKey: string) => {
    return tree.map((item: ITreeMenu) => {
      const { icon, label, route, name, children, parentName } = item
      const isOpen = open[route || ''] || false
      const isSelected = route === selectedKey
      const isNested = !(parentName === undefined)
      if (children.length > 0) {
        return (
          <CanAccess
            key={route}
            resource={name.toLowerCase()}
            action="list"
            params={{
              resource: item,
            }}
          >
            <div key={route}>
              <Tooltip
                title={label ?? name}
                placement="right"
                disableHoverListener={!collapsed}
                arrow
              >
                <ListItemButton
                  onClick={() => {
                    if (collapsed) {
                      setCollapsed(false)
                      if (!isOpen) {
                        handleClick(route || '')
                      }
                    } else {
                      handleClick(route || '')
                    }
                  }}
                  sx={{
                    pl: isNested ? 4 : 2,
                    justifyContent: 'center',
                    '&.Mui-selected': {
                      '&:hover': {
                        backgroundColor: 'transparent',
                      },
                      backgroundColor: 'transparent',
                    },
                  }}
                >
                  <ListItemIcon
                    sx={{
                      justifyContent: 'center',
                      minWidth: 36,
                      color: 'primary.contrastText',
                    }}
                  >
                    {icon ?? <ListOutlined />}
                  </ListItemIcon>
                  <ListItemText
                    primary={label}
                    primaryTypographyProps={{
                      noWrap: true,
                      fontSize: '14px',
                      fontWeight: isSelected ? 'bold' : 'normal',
                    }}
                  />
                  {!collapsed && (isOpen ? <ExpandLess /> : <ExpandMore />)}
                </ListItemButton>
              </Tooltip>
              {!collapsed && (
                <Collapse in={open[route || '']} timeout="auto" unmountOnExit>
                  <MuiList component="div" disablePadding>
                    {renderTreeView(children, selectedKey)}
                  </MuiList>
                </Collapse>
              )}
            </div>
          </CanAccess>
        )
      }
      return (
        <CanAccess
          key={route}
          resource={name.toLowerCase()}
          action="list"
          params={{ resource: item }}
        >
          <Tooltip
            title={label ?? name}
            placement="right"
            disableHoverListener={!collapsed}
            arrow
          >
            <ListItemButton
              component={Link}
              to={route}
              selected={isSelected}
              onClick={() => {
                setOpened(false)
              }}
              sx={{
                pl: isNested ? 4 : 2,
                py: isNested ? 1.25 : 1,
                '&.Mui-selected': {
                  '&:hover': {
                    backgroundColor: 'transparent',
                  },
                  backgroundColor: 'transparent',
                },
                justifyContent: 'center',
              }}
            >
              <ListItemIcon
                sx={{
                  justifyContent: 'center',
                  minWidth: 36,
                  color: 'primary.contrastText',
                }}
              >
                {icon ?? <ListOutlined />}
              </ListItemIcon>
              <ListItemText
                primary={label}
                primaryTypographyProps={{
                  noWrap: true,
                  fontSize: '14px',
                  fontWeight: isSelected ? 'bold' : 'normal',
                }}
              />
            </ListItemButton>
          </Tooltip>
        </CanAccess>
      )
    })
  }
  const dashboard = hasDashboard ? (
    <CanAccess resource="dashboard" action="list">
      <Tooltip
        title={translate('dashboard.title', 'Dashboard')}
        placement="right"
        disableHoverListener={!collapsed}
        arrow
      >
        <ListItemButton
          component={Link}
          to="/"
          selected={selectedKey === '/'}
          onClick={() => {
            setOpened(false)
          }}
          sx={{
            pl: 2,
            py: 1,
            '&.Mui-selected': {
              '&:hover': {
                backgroundColor: 'transparent',
              },
              backgroundColor: 'transparent',
            },
            justifyContent: 'center',
          }}
        >
          <ListItemIcon
            sx={{
              justifyContent: 'center',
              minWidth: 36,
              color: 'primary.contrastText',
            }}
          >
            <Dashboard />
          </ListItemIcon>
          <ListItemText
            primary={translate('dashboard.title', 'Dashboard')}
            primaryTypographyProps={{
              noWrap: true,
              fontSize: '14px',
              fontWeight: selectedKey === '/' ? 'bold' : 'normal',
            }}
          />
        </ListItemButton>
      </Tooltip>
    </CanAccess>
  ) : null
  const logout = isExistAuthentication && (
    <Tooltip
      title={t('buttons.logout', 'Logout')}
      placement="right"
      disableHoverListener={!collapsed}
      arrow
    >
      <ListItemButton
        key="logout"
        onClick={() => mutateLogout()}
        sx={{ justifyContent: 'center' }}
      >
        <ListItemIcon
          sx={{
            justifyContent: 'center',
            minWidth: 36,
            color: 'primary.contrastText',
          }}
        >
          <Logout />
        </ListItemIcon>
        <ListItemText
          primary={t('buttons.logout', 'Logout')}
          primaryTypographyProps={{
            noWrap: true,
            fontSize: '14px',
          }}
        />
      </ListItemButton>
    </Tooltip>
  )
  const items = renderTreeView(menuItems, selectedKey)
  const renderSider = () => {
    if (render) {
      return render({
        dashboard,
        logout,
        items,
        collapsed,
      })
    }
    return (
      <>
        {dashboard}
        {items}
        {logout}
      </>
    )
  }
  const drawer = (
    <MuiList disablePadding sx={{ mt: 1, color: 'primary.contrastText' }}>
      {renderSider()}
    </MuiList>
  )
  return (
    <>
      <Box
        sx={{
          width: { xs: drawerWidth() },
          display: {
            xs: 'none',
            md: 'block',
          },
          transition: 'width 0.3s ease',
        }}
      />
      <Box
        component="nav"
        sx={{
          position: 'fixed',
          zIndex: 1101,
          width: { sm: drawerWidth() },
          display: 'flex',
        }}
      >
        <Drawer
          variant="temporary"
          open={opened}
          onClose={() => setOpened(false)}
          ModalProps={{
            keepMounted: true, // Better open performance on mobile.
          }}
          sx={{
            display: { sm: 'block', md: 'none' },
            '& .MuiDrawer-paper': {
              width: 256,
              bgcolor: 'secondary.main',
            },
          }}
        >
          <Box
            sx={{
              height: 64,
              display: 'flex',
              alignItems: 'center',
              justifyContent: 'center',
            }}
          >
            <RenderToTitle collapsed={false} />
          </Box>
          {drawer}
        </Drawer>
        <Drawer
          variant="permanent"
          PaperProps={{ elevation: 1 }}
          sx={{
            display: { xs: 'none', md: 'block' },
            '& .MuiDrawer-paper': {
              width: drawerWidth,
              bgcolor: 'secondary.main',
              overflow: 'hidden',
              transition: 'width 200ms cubic-bezier(0.4, 0, 0.6, 1) 0ms',
            },
          }}
          open
        >
          <Box
            sx={{
              height: 64,
              display: 'flex',
              alignItems: 'center',
              justifyContent: 'center',
            }}
          >
            <RenderToTitle collapsed={collapsed} />
          </Box>
          <Box
            sx={{
              flexGrow: 1,
              overflowX: 'hidden',
              overflowY: 'auto',
            }}
          >
            {drawer}
          </Box>
          <Button
            sx={{
              background: 'rgba(0,0,0,.5)',
              color: 'primary.contrastText',
              textAlign: 'center',
              borderRadius: 0,
              borderTop: '1px solid #ffffff1a',
            }}
            fullWidth
            size="large"
            onClick={() => setCollapsed((prev) => !prev)}
          >
            {collapsed ? <ChevronRight /> : <ChevronLeft />}
          </Button>
        </Drawer>
        <Box
          sx={{
            display: { xs: 'block', md: 'none' },
            position: 'fixed',
            top: '64px',
            left: '0px',
            borderRadius: '0 6px 6px 0',
            bgcolor: 'secondary.main',
            zIndex: 1199,
            width: '36px',
          }}
        >
          <IconButton
            sx={{ color: '#fff', width: '36px' }}
            onClick={() => setOpened((prev) => !prev)}
          >
            <MenuRounded />
          </IconButton>
        </Box>
      </Box>
    </>
  )
}
useMenu hook is used to get style agnostic menu items. We render these items in the body of the sider. We create a recursive renderTreeView function to create menu items from the list of resources passed to <Refine>. We get the Title component with the useTitle hook.
If you want to create a multi-level menu, you can take a look at this multi-level menu example and also here is the guide.
We can override the default sider and show the custom menu we implemented in its place by passing a custom component to <Refine>s Sider prop: