diff --git a/app/javascript/mastodon/features/ui/util/optional_motion.js b/app/javascript/mastodon/features/ui/util/optional_motion.js
index 82edbbe8f..df3a8b54a 100644
--- a/app/javascript/mastodon/features/ui/util/optional_motion.js
+++ b/app/javascript/mastodon/features/ui/util/optional_motion.js
@@ -1,49 +1,5 @@
-// Like react-motion's Motion, but checks to see if the user prefers
-// reduced motion and uses a cross-fade in those cases.
-
-import React from 'react';
-import Motion from 'react-motion/lib/Motion';
-import PropTypes from 'prop-types';
import { reduceMotion } from '../../../initial_state';
+import ReducedMotion from './reduced_motion';
+import Motion from 'react-motion/lib/Motion';
-const stylesToKeep = ['opacity', 'backgroundOpacity'];
-
-const extractValue = (value) => {
- // This is either an object with a "val" property or it's a number
- return (typeof value === 'object' && value && 'val' in value) ? value.val : value;
-};
-
-class OptionalMotion extends React.Component {
-
- static propTypes = {
- defaultStyle: PropTypes.object,
- style: PropTypes.object,
- children: PropTypes.func,
- }
-
- render() {
-
- const { style, defaultStyle, children } = this.props;
-
- if (reduceMotion) {
- Object.keys(style).forEach(key => {
- if (stylesToKeep.includes(key)) {
- return;
- }
- // If it's setting an x or height or scale or some other value, we need
- // to preserve the end-state value without actually animating it
- style[key] = defaultStyle[key] = extractValue(style[key]);
- });
- }
-
- return (
-
- {children}
-
- );
- }
-
-}
-
-
-export default OptionalMotion;
+export default reduceMotion ? ReducedMotion : Motion;
diff --git a/app/javascript/mastodon/features/ui/util/reduced_motion.js b/app/javascript/mastodon/features/ui/util/reduced_motion.js
new file mode 100644
index 000000000..95519042b
--- /dev/null
+++ b/app/javascript/mastodon/features/ui/util/reduced_motion.js
@@ -0,0 +1,44 @@
+// Like react-motion's Motion, but reduces all animations to cross-fades
+// for the benefit of users with motion sickness.
+import React from 'react';
+import Motion from 'react-motion/lib/Motion';
+import PropTypes from 'prop-types';
+
+const stylesToKeep = ['opacity', 'backgroundOpacity'];
+
+const extractValue = (value) => {
+ // This is either an object with a "val" property or it's a number
+ return (typeof value === 'object' && value && 'val' in value) ? value.val : value;
+};
+
+class ReducedMotion extends React.Component {
+
+ static propTypes = {
+ defaultStyle: PropTypes.object,
+ style: PropTypes.object,
+ children: PropTypes.func,
+ }
+
+ render() {
+
+ const { style, defaultStyle, children } = this.props;
+
+ Object.keys(style).forEach(key => {
+ if (stylesToKeep.includes(key)) {
+ return;
+ }
+ // If it's setting an x or height or scale or some other value, we need
+ // to preserve the end-state value without actually animating it
+ style[key] = defaultStyle[key] = extractValue(style[key]);
+ });
+
+ return (
+
+ {children}
+
+ );
+ }
+
+}
+
+export default ReducedMotion;