Grabbed dndbeyond's source code

```
~/go/bin/sourcemapper -output ddb -jsurl https://media.dndbeyond.com/character-app/static/js/main.90aa78c5.js
```

ddb_main/node_modules/@serprex/react-motion/lib/stripStyle.js

@@ -0,0 +1,20 @@
+"use strict";
+
+exports.__esModule = true;
+exports["default"] = stripStyle;
+
+// turn {x: {val: 1, stiffness: 1, damping: 2}, y: 2} generated by
+// `{x: spring(1, {stiffness: 1, damping: 2}), y: 2}` into {x: 1, y: 2}
+function stripStyle(style) {
+  var ret = {};
+
+  for (var key in style) {
+    if (!Object.prototype.hasOwnProperty.call(style, key)) {
+      continue;
+    }
+
+    ret[key] = typeof style[key] === 'number' ? style[key] : style[key].val;
+  }
+
+  return ret;
+}