Grabbed dndbeyond's source code

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

ddb_main/react-jsx-parser/source/helpers/parseStyle.ts

@@ -0,0 +1,29 @@
+import { camelCase } from './camelCase'
+
+type Style = string | Partial<CSSStyleDeclaration>
+
+/**
+ * Converts a CSS Style string
+ * @param {string | Partial<CSSStyleDeclaration>} style A string to convert, or object to return
+ * @returns {Partial<CSSStyleDeclaration>} a partial CSSStyleDeclaration
+ */
+export const parseStyle = (style: Style): Partial<CSSStyleDeclaration> | undefined => {
+	switch (typeof style) {
+	case 'string':
+		return style.split(';').filter(r => r)
+			.reduce((map, rule) => {
+				const name = rule.slice(0, rule.indexOf(':')).trim()
+				const value = rule.slice(rule.indexOf(':') + 1).trim()
+
+				return {
+					...map,
+					[camelCase(name)]: value,
+				}
+			}, {})
+	case 'object':
+		return style
+
+	default:
+		return undefined
+	}
+}