carbon-components-svelte/src/UIShell/Header.svelte

107 lines
2.8 KiB
Svelte

<script>
/** Set to `false` to hide the side nav by default */
export let expandedByDefault = true;
/** Set to `true` to open the side nav */
export let isSideNavOpen = false;
/**
* Specify the ARIA label for the header
* @type {string}
*/
export let uiShellAriaLabel = undefined;
/**
* Specify the `href` attribute
* @type {string}
*/
export let href = undefined;
/**
* Specify the company name.
*
* Alternatively, use the named slot "company" (e.g., `<span slot="company">...</span>`)
* @type {string}
*/
export let company = undefined;
/**
* Specify the platform name.
* Alternatively, use the named slot "platform" (e.g., `<span slot="platform">...</span>`)
*/
export let platformName = "";
/** Set to `true` to persist the hamburger menu */
export let persistentHamburgerMenu = false;
/**
* The window width (px) at which the SideNav is expanded and the hamburger menu is hidden.
* 1056 represents the "large" breakpoint in pixels from the Carbon Design System:
* - small: 320
* - medium: 672
* - large: 1056
* - x-large: 1312
* - max: 1584
*/
export let expansionBreakpoint = 1056;
/** Obtain a reference to the HTML anchor element */
export let ref = null;
/**
* Specify the icon to render for the closed state.
* Defaults to `<Menu size={20} />`
* @type {typeof import("svelte").SvelteComponent<any>}
*/
export let iconMenu = Menu;
/**
* Specify the icon to render for the opened state.
* Defaults to `<Close size={20} />`
* @type {typeof import("svelte").SvelteComponent<any>}
*/
export let iconClose = Close;
import Close from "../icons/Close.svelte";
import Menu from "../icons/Menu.svelte";
import { shouldRenderHamburgerMenu } from "./navStore";
import HamburgerMenu from "./HamburgerMenu.svelte";
let winWidth = undefined;
$: isSideNavOpen =
expandedByDefault &&
winWidth >= expansionBreakpoint &&
!persistentHamburgerMenu;
$: ariaLabel = company
? `${company} `
: "" + (uiShellAriaLabel || $$props["aria-label"] || platformName);
</script>
<svelte:window bind:innerWidth="{winWidth}" />
<header aria-label="{ariaLabel}" class:bx--header="{true}">
<slot name="skip-to-content" />
{#if ($shouldRenderHamburgerMenu && winWidth < expansionBreakpoint) || persistentHamburgerMenu}
<HamburgerMenu
bind:isOpen="{isSideNavOpen}"
iconClose="{iconClose}"
iconMenu="{iconMenu}"
/>
{/if}
<a
href="{href}"
class:bx--header__name="{true}"
bind:this="{ref}"
{...$$restProps}
on:click
>
{#if company || $$slots.company}
<span class:bx--header__name--prefix="{true}"
><slot name="company">{company}&nbsp;</slot></span
>
{/if}
<slot name="platform">{platformName}</slot>
</a>
<slot />
</header>