Update rollup.config.js

Author: RobbieTheWagner

rollup.config.js

@@ -10,6 +10,9 @@ import peerDepsExternal from 'rollup-plugin-peer-deps-external';
 import resolve from '@rollup/plugin-node-resolve';
 import terser from '@rollup/plugin-terser';
 import minimist from 'minimist';
+import { fileURLToPath } from 'url';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
 
 // Get browserslist config and remove ie from es build targets
 const esbrowserslist = fs