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/jss-preset-default/dist/jss-preset-default.esm.js

@@ -0,0 +1,24 @@
+import functions from 'jss-plugin-rule-value-function';
+import observable from 'jss-plugin-rule-value-observable';
+import template from 'jss-plugin-template';
+import global from 'jss-plugin-global';
+import extend from 'jss-plugin-extend';
+import nested from 'jss-plugin-nested';
+import compose from 'jss-plugin-compose';
+import camelCase from 'jss-plugin-camel-case';
+import defaultUnit from 'jss-plugin-default-unit';
+import expand from 'jss-plugin-expand';
+import vendorPrefixer from 'jss-plugin-vendor-prefixer';
+import propsSort from 'jss-plugin-props-sort';
+
+var create = function create(options) {
+  if (options === void 0) {
+    options = {};
+  }
+
+  return {
+    plugins: [functions(), observable(options.observable), template(), global(), extend(), nested(), compose(), camelCase(), defaultUnit(options.defaultUnit), expand(), vendorPrefixer(), propsSort()]
+  };
+};
+
+export default create;