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don't select first section when navigating to a different part of the menu tree #76

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Jun 12, 2022
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don't select first section when navigating to a different part of the menu tree #76

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43 changes: 30 additions & 13 deletions src/routes/tutorial/[slug]/_/Menu/Menu.svelte
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,9 @@
let is_open = false;
let search = '';

let expanded_part = current.part.slug;
let expanded_chapter = current.chapter.slug;

const duration = browser && matchMedia('(prefers-reduced-motion: reduce)').matches ? 0 : 200;

$: regex = new RegExp(`\\b${search.length >= 2 ? search : ''}`, 'i');
Expand Down Expand Up @@ -88,23 +91,35 @@
{#each filtered as part (part.slug)}
<li
class="part"
class:expanded={part.slug === expanded_part}
aria-current={part.slug === current.part.slug ? 'step' : undefined}
transition:slide|local={{ duration }}
class:expanded={part.slug === current.part.slug}
>
<a sveltekit:prefetch href="/tutorial/{part.first}" data-label={part.label}>
<button
on:click={() => {
if (expanded_part !== part.slug) {
expanded_part = part.slug;
expanded_chapter = part.chapters[0].slug;
}
}}
>
Part {part.label}: {part.title}
</a>
</button>

{#if search.length >= 2 || part.slug === current.part.slug}
{#if search.length >= 2 || part.slug === expanded_part}
<ul class="chapter" transition:slide|local={{ duration }}>
{#each part.chapters as chapter (chapter.slug)}
<li class="chapter" class:expanded={chapter.slug === current.chapter.slug}>
<li
class="chapter"
class:expanded={chapter.slug === expanded_chapter}
aria-current={chapter.slug === current.chapter.slug ? 'step' : undefined}
>
<img src={arrow} alt="Arrow icon" />
<a sveltekit:prefetch href="/tutorial/{chapter.first}" data-label={chapter.label}
>{chapter.title}</a
>
<button on:click={() => (expanded_chapter = chapter.slug)}>
{chapter.title}
</button>

{#if search.length >= 2 || chapter.slug === current.chapter.slug}
{#if search.length >= 2 || chapter.slug === expanded_chapter}
<ul transition:slide|local={{ duration }}>
{#each chapter.sections as section (section.slug)}
<li
Expand Down Expand Up @@ -267,20 +282,21 @@
position: relative;
}

li[aria-current='page'] a {
li[aria-current='page'] a,
li[aria-current='step']:not(.expanded) > button {
color: var(--prime);
}

li img {
position: absolute;
left: -2rem;
top: 0.3rem;
top: 0.1rem;
width: 2rem;
height: 2rem;
transition: transform 0.2s;
}

li.expanded > a {
li.expanded > button {
font-weight: bold;
}

Expand All @@ -298,7 +314,8 @@
--color: var(--second);
}

a {
a,
button {
color: var(--second);
padding: 0 0 0 0.5rem;
margin: 0 0.5rem 0 0;
Expand Down