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feat(ui): add loading skeleton indicator during HTMX requests #57

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feat(ui): add loading skeleton indicator during HTMX requests #57

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19 changes: 18 additions & 1 deletion core/templates/core/explore.html
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,9 @@ <h1 class="font-display font-semibold text-3xl lg:text-4xl text-on-surface track
</div>

<form id="filters" hx-get="{% url 'explore' %}" hx-target="#issue-list" hx-swap="innerHTML"
hx-push-url="true" hx-indicator="#list-loader"
hx-push-url="true" hx-indicator="#list-loader, #skeleton-loader"
hx-on::before-request="document.getElementById('issue-list').style.opacity='0.3'"
hx-on::after-swap="document.getElementById('issue-list').style.opacity='1'"
hx-trigger="change, keyup changed delay:400ms, search"
class="bg-surface-container-lowest border border-outline-variant/40 rounded-2xl p-4 lg:p-5 shadow-card mb-6">
<!-- Search + sort -->
Expand Down Expand Up @@ -78,6 +80,19 @@ <h1 class="font-display font-semibold text-3xl lg:text-4xl text-on-surface track
<span id="list-status" class="sr-only" role="status" aria-live="polite"></span>
</div>

<div id="skeleton-loader" class="htmx-indicator grid md:grid-cols-1 gap-4 mb-4" aria-hidden="true">
{% for i in "123" %}
<div class="border border-outline-variant/50 rounded-xl p-5 space-y-3">
<div class="flex items-center gap-2.5">
<div class="w-8 h-8 rounded-lg skeleton"></div>
<div class="flex-1 h-4 skeleton" style="width: 60%;"></div>
</div>
<div class="h-5 skeleton" style="width: 80%;"></div>
<div class="h-4 skeleton" style="width: 90%;"></div>
</div>
{% endfor %}
</div>

<div id="issue-list">
{% include "core/_issue_list.html" %}
</div>
Expand All @@ -98,6 +113,8 @@ <h1 class="font-display font-semibold text-3xl lg:text-4xl text-on-surface track
document.body.addEventListener('htmx:afterRequest', function (event) {
if (event.detail.elt && event.detail.elt.id === 'filters' && !event.detail.successful) {
status.textContent = 'Le chargement a échoué';
const list = document.getElementById('issue-list');
if (list) list.style.opacity = '1';
}
});
})();
Expand Down
27 changes: 27 additions & 0 deletions static/css/app.css
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Original file line number Diff line number Diff line change
Expand Up @@ -173,3 +173,30 @@ body {
.htmx-request.htmx-indicator,
.htmx-request .htmx-indicator { opacity: 1; }
.htmx-indicator { opacity: 0; transition: opacity 0.2s; }

#skeleton-loader:not(.htmx-request) {
display: none;
}

.skeleton {
background: linear-gradient(90deg,
rgb(var(--surface-container)) 25%,
rgb(var(--surface-container-low)) 50%,
rgb(var(--surface-container)) 75%
);
background-size: 200% 100%;
animation: skeleton-shimmer 1.5s infinite;
border-radius: 0.5rem;
}

@keyframes skeleton-shimmer {
0% { background-position: 200% 0; }
100% { background-position: -200% 0; }
}

@media (prefers-reduced-motion: reduce) {
.skeleton {
animation: none;
}
}