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style(container): add animated initial loading #4883

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Merged
weareoutman merged 1 commit into from
Aug 20, 2026
Merged

style(container): add animated initial loading #4883

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17 changes: 16 additions & 1 deletion packages/brick-container/src/index.ejs
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,22 @@
<div id="main-mount-point"></div>
<div id="legacy-iframe-mount-point"></div>
</div>
<div id="loading-bar-mount-point"><div class="global-loading-bar initial-loading-bar"><div></div></div></div>
<div id="loading-bar-mount-point">
<div class="global-loading-bar initial-loading-bar"><div></div></div>
<div class="initial-loading-screen" role="status" aria-live="polite">
<div class="initial-loading-content">
<span class="initial-loading-spinner" aria-hidden="true">
<i class="initial-loading-spinner-item"></i>
<i class="initial-loading-spinner-item"></i>
<i class="initial-loading-spinner-item"></i>
<i class="initial-loading-spinner-item"></i>
</span>
<span class="initial-loading-text" aria-label="Loading">
<span class="initial-loading-letter" aria-hidden="true">L</span><span class="initial-loading-letter" aria-hidden="true">o</span><span class="initial-loading-letter" aria-hidden="true">a</span><span class="initial-loading-letter" aria-hidden="true">d</span><span class="initial-loading-letter" aria-hidden="true">i</span><span class="initial-loading-letter" aria-hidden="true">n</span><span class="initial-loading-letter" aria-hidden="true">g</span>
</span>
</div>
</div>
</div>
</div>
<div id="bg-mount-point"></div>
<div id="portal-mount-point"></div>
Expand Down
141 changes: 141 additions & 0 deletions packages/brick-container/src/styles/default.css
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Original file line number Diff line number Diff line change
Expand Up @@ -140,6 +140,114 @@ html[data-mode="dashboard"] body.has-sub-menu #main-mount-point {
display: none;
}

.initial-loading-screen {
position: fixed;
top: 0;
right: 0;
bottom: 0;
left: 0;
z-index: 9999;
display: flex;
align-items: center;
justify-content: center;
background: #f5f7fa;
color: #595959;
font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.initial-loading-content {
display: flex;
flex-direction: column;
align-items: center;
}

.initial-loading-spinner {
position: relative;
display: inline-block;
width: 20px;
height: 20px;
font-size: 20px;
transform: rotate(45deg);
animation: initial-loading-spin 1.2s infinite linear;
}

.initial-loading-spinner-item {
position: absolute;
display: block;
width: 9px;
height: 9px;
background-color: #1890ff;
border-radius: 100%;
opacity: 0.3;
transform: scale(0.75);
transform-origin: 50% 50%;
animation: initial-loading-dot 1s infinite linear alternate;
}

.initial-loading-spinner-item:nth-child(1) {
top: 0;
left: 0;
}

.initial-loading-spinner-item:nth-child(2) {
top: 0;
right: 0;
animation-delay: 0.4s;
}

.initial-loading-spinner-item:nth-child(3) {
right: 0;
bottom: 0;
animation-delay: 0.8s;
}

.initial-loading-spinner-item:nth-child(4) {
bottom: 0;
left: 0;
animation-delay: 1.2s;
}

.initial-loading-text {
margin-top: 16px;
color: #1890ff;
}

.initial-loading-letter {
display: inline-block;
min-width: 0.55em;
text-align: center;
animation: initial-loading-letter-jump 1.4s ease-in-out infinite;
}

.initial-loading-letter:nth-child(2) {
animation-delay: 0.1s;
}

.initial-loading-letter:nth-child(3) {
animation-delay: 0.2s;
}

.initial-loading-letter:nth-child(4) {
animation-delay: 0.3s;
}

.initial-loading-letter:nth-child(5) {
animation-delay: 0.4s;
}

.initial-loading-letter:nth-child(6) {
animation-delay: 0.5s;
}

.initial-loading-letter:nth-child(7) {
animation-delay: 0.6s;
}

.first-rendered .initial-loading-screen,
.bootstrap-error .initial-loading-screen {
display: none;
}

@keyframes global-loading {
from {
transform: translateX(-30%) scaleX(0.3);
Expand All @@ -165,3 +273,36 @@ html[data-mode="dashboard"] body.has-sub-menu #main-mount-point {
transform: translateX(120%);
}
}

@keyframes initial-loading-spin {
to {
transform: rotate(405deg);
}
}

@keyframes initial-loading-dot {
to {
opacity: 1;
transform: scale(1);
}
}

@keyframes initial-loading-letter-jump {
0%,
40%,
100% {
transform: translateY(0);
}

20% {
transform: translateY(-5px);
}
}

@media (prefers-reduced-motion: reduce) {
.initial-loading-spinner,
.initial-loading-spinner-item,
.initial-loading-letter {
animation: none;
}
}
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