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/hash.ts

@@ -0,0 +1,21 @@
+/**
+ * Hashes a value
+ * @param value the value to hash
+ * @param radix the base-n to hash into (default 16)
+ */
+export const hash = (value: string = '', radix: number = 16): string => {
+	const string = String(value)
+	let h = 0
+	string.split('').forEach((char: string) => {
+		/* eslint-disable no-bitwise */
+		h = ((h << 5) - h) + char.charCodeAt(0)
+		h &= h // Convert to 32-bit integer
+		/* eslint-enable no-bitwise */
+	})
+	return Math.abs(h).toString(radix)
+}
+
+/**
+ * Hashes a Math.random() value, returning it in base16
+ */
+export const randomHash = () => hash(Math.random().toString())