Wrapping new URL(./, import.meta.url) to prevent webpack bug.

Author: seanmorris

src/shell.js

@@ -235,7 +235,7 @@ if (ENVIRONMENT_IS_NODE) {
   // EXPORT_ES6 + ENVIRONMENT_IS_NODE always requires use of import.meta.url,
   // since there's no way getting the current absolute path of the module when
   // support for that is not available.
-  scriptDirectory = require('url').fileURLToPath(new URL('./', import.meta.url)); // includes trailing slash
+  scriptDirectory = require('url').fileURLToPath(new URL('./', Object(import.meta).url)); // includes trailing slash
 #else
   scriptDirectory = __dirname + '/';
 #endif