Merge pull request #1251 from theojulienne/fix-spinner-browser-lag

Add generic anim-rotate-360 class for use by view_components/spinner.
primer · Mar 23, 2021 · 7516e96 · 7516e96
2 parents 3eb311b + f96a7c7
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diff --git a/docs/content/utilities/animations.md b/docs/content/utilities/animations.md
@@ -97,3 +97,12 @@ The `.hover-grow` class will increase the scale of the element upon hover.
   <svg height="32" class="octicon octicon-mark-github" viewBox="0 0 16 16" version="1.1" width="32" aria-hidden="true"><path fill-rule="evenodd" d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0 0 16 8c0-4.42-3.58-8-8-8z"></path></svg>
 </div>
 ```
+
+## Rotation
+
+The `.anim-rotate` class will rotate the element indefinitely around `0,0` or the coordinate specified by `transform-origin`.
+
+```html live
+<!-- <%= octicon("mark-github",:height => 32, :class => "anim-pulse", :style => "transform-origin: 16px 16px;") %> -->
+<svg height="32" class="octicon octicon-mark-github anim-rotate" style="transform-origin: 16px 16px;" viewBox="0 0 16 16" version="1.1" width="32" aria-hidden="true"><path fill-rule="evenodd" d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0 0 16 8c0-4.42-3.58-8-8-8z"></path></svg>
+```
diff --git a/src/utilities/animations.scss b/src/utilities/animations.scss
@@ -181,3 +181,14 @@
     transform: scale(1.025);
   }
 }
+
+/* Rotate an element 360 degrees over and over, used for spinners */
+.anim-rotate {
+  animation: rotate-keyframes 1s linear infinite;
+}
+
+@keyframes rotate-keyframes {
+  100% {
+    transform: rotate(360deg);
+  }
+}