fix rollup warning for this

tests/js/rollup.config.js

@@ -19,4 +19,15 @@ export default {
  ),
  }),
  ],
+ onwarn: function (warning) {
+ // Skip certain warnings
+
+ // should intercept ... but doesn't in some rollup versions
+ if (warning.code === "THIS_IS_UNDEFINED") {
+ return;
+ }
+
+ // console.warn everything else
+ console.warn(warning.message);
+ },
 };