kafka-dance-frontend/src/lib/header/NavBar.svelte

157 lines
3.7 KiB
Svelte

<script>
import { page } from '$app/stores';
import { fade } from 'svelte/transition'
let dropdownVisible = false
</script>
<nav class="desktop">
<svg viewBox="0 0 2 3" aria-hidden="true">
<path d="M0,0 L1,2 C1.5,3 1.5,3 2,3 L2,0 Z" />
</svg>
<ul class="desktop">
<li class:active={$page.url.pathname === '/'}>
<a sveltekit:prefetch href="/">Topic Search</a>
</li>
<!--
<li class:active={$page.url.pathname === '/post-message'}>
<a sveltekit:prefetch href="/post-message">Post Message</a>
</li>
-->
<li class:active={$page.url.pathname === '/settings'}>
<a sveltekit:prefetch href="/settings">Settings</a>
</li>
</ul>
<svg viewBox="0 0 2 3" aria-hidden="true">
<path d="M0,0 L0,3 C0.5,3 0.5,3 1,2 L2,0 Z" />
</svg>
</nav>
<nav class="mobile">
<button style="font-size: 3rem;" on:click={() => dropdownVisible = !dropdownVisible}>{dropdownVisible ? 'x' : '≡'}</button>
{#if dropdownVisible}
<!-- TODO: Click-away layer -->
<ul class="mobile" transition:fade={{duration: 300}}>
<li class:active={$page.url.pathname === '/'}>
<a sveltekit:prefetch href="/">Topic Search</a>
</li>
<!--
<li class:active={$page.url.pathname === '/post-message'}>
<a sveltekit:prefetch href="/post-message">Post Message</a>
</li>
-->
<li class:active={$page.url.pathname === '/settings'}>
<a sveltekit:prefetch href="/settings">Settings</a>
</li>
</ul>
{/if}
</nav>
<style>
nav {
display: flex;
justify-content: center;
--background: rgba(255, 255, 255, 0.7);
}
nav.mobile {
flex-direction: column;
align-items: end;
}
svg {
width: 2em;
height: 3em;
display: block;
}
path {
fill: var(--background);
}
ul.desktop {
position: relative;
padding: 0;
margin: 0;
height: 3em;
display: flex;
justify-content: center;
align-items: center;
list-style: none;
background: var(--background);
background-size: contain;
}
ul.mobile {
flex-direction: column;
position: absolute;
padding: 256px 0 1em;
margin: 0;
width: 50vw;
display: flex;
justify-content: center;
align-items: center;
list-style: none;
background-color: rgba(255, 255, 255);
background-size: contain;
}
li {
position: relative;
height: 100%;
}
li.active::before {
--size: 6px;
content: '';
width: 0;
height: 0;
position: absolute;
top: 0;
left: calc(50% - var(--size));
border: var(--size) solid transparent;
border-top: var(--size) solid var(--accent-color);
}
nav a {
display: flex;
height: 100%;
align-items: center;
padding: 0 1em;
color: var(--heading-color);
font-weight: 700;
font-size: 0.8rem;
text-transform: uppercase;
letter-spacing: 0.1em;
text-decoration: none;
transition: color 0.2s linear;
}
@media (max-width: 719px) {
nav a {
font-size: 1rem;
line-height: 200%;
}
li {
margin-top: 1em;
}
}
a:hover {
color: var(--accent-color);
}
button {
z-index: 1;
padding: 0;
height: 64px;
width: 64px;
font-size: 64px;
border-radius: 0;
border-style: none;
}
button:hover {
background-color: white;
}
</style>