feat: disable animated transitions by default when `prefers-reduced-m…

…otion: reduce` (#281) Co-authored-by: Sébastien Lorber <slorber@users.noreply.github.com>
facebookincubator · Feb 17, 2023 · 8572861 · 8572861
1 parent ef74848
commit 8572861
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Showing 2 changed files with 11 additions and 2 deletions.
diff --git a/packages/core/styles/common/variables.pcss b/packages/core/styles/common/variables.pcss
@@ -149,4 +149,11 @@
   --ifm-z-index-overlay: 400;
 }
 
+@media (prefers-reduced-motion: reduce) {
+  :root {
+    --ifm-transition-fast: 0ms;
+    --ifm-transition-slow: 0ms;
+  }
+}
+
 @custom-media --ifm-narrow-window (max-width: 996px);
diff --git a/packages/core/styles/components/navbar.pcss b/packages/core/styles/components/navbar.pcss
@@ -215,7 +215,8 @@ html[data-theme='dark'],
     transform: translate3d(-100%, 0, 0);
     visibility: hidden;
     width: var(--ifm-navbar-sidebar-width);
-    @mixin transition opacity visibility transform, 250ms, ease-in-out;
+    @mixin transition opacity visibility transform, var(--ifm-transition-fast),
+      ease-in-out;
 
     &--show {
       ^&,
@@ -238,7 +239,8 @@ html[data-theme='dark'],
       right: 0;
       top: 0;
       visibility: hidden;
-      @mixin transition opacity visibility, 100ms, ease-in-out;
+      @mixin transition opacity visibility, var(--ifm-transition-fast),
+        ease-in-out;
     }
 
     &__brand {