PersistedHamburgerMenu.svelte

<script>
  import {
    Header,
    HeaderNav,
    HeaderNavItem,
    HeaderNavMenu,
    SideNav,
    SideNavItems,
    SideNavMenu,
    SideNavMenuItem,
    SideNavLink,
    SkipToContent,
    Content,
    Grid,
    Row,
    Column,
  } from "carbon-components-svelte";

  let isSideNavOpen = false;
</script>

<Header
  persistentHamburgerMenu="{true}"
  company="IBM"
  platformName="Carbon Svelte"
  bind:isSideNavOpen
>
  <svelte:fragment slot="skip-to-content">
    <SkipToContent />
  </svelte:fragment>
  <HeaderNav>
    <HeaderNavItem href="/" text="Link 1" />
    <HeaderNavItem href="/" text="Link 2" />
    <HeaderNavItem href="/" text="Link 3" />
    <HeaderNavMenu text="Menu">
      <HeaderNavItem href="/" text="Link 1" />
      <HeaderNavItem href="/" text="Link 2" />
      <HeaderNavItem href="/" text="Link 3" />
    </HeaderNavMenu>
  </HeaderNav>
</Header>

<SideNav bind:open="{isSideNavOpen}">
  <SideNavItems>
    <SideNavLink text="Link 1" />
    <SideNavLink text="Link 2" />
    <SideNavLink text="Link 3" />
    <SideNavMenu text="Menu">
      <SideNavMenuItem href="/" text="Link 1" />
      <SideNavMenuItem href="/" text="Link 2" />
      <SideNavMenuItem href="/" text="Link 3" />
    </SideNavMenu>
  </SideNavItems>
</SideNav>

<Content>
  <Grid>
    <Row>
      <Column>
        <h1>Welcome</h1>
      </Column>
    </Row>
  </Grid>
</Content>