message: fix output of
diff: @@ -69,19 +69,20 @@ function getSourcePath(root: postcss.Root, diagnostics: Diagnostics) {
  function handleAtRules(root: postcss.Root, stylableMeta: StylableMeta, diagnostics: Diagnostics) {
  let namespace = '';
  -
  + const toRemove: postcss.Node[] = [];
  root.walkAtRules((atRule) => {
  switch (atRule.name) {
  case 'namespace':
  const match = atRule.params.match(/["'](.*?)['"]/);
  match ? (namespace = match[1]) : diagnostics.error(atRule, 'invalid namespace');
  + toRemove.push(atRule)
  break;
  case 'keyframes':
  stylableMeta.keyframes.push(atRule);
  break;
  }
  });
  -
  + toRemove.forEach(node => node.remove());
  namespace = namespace || filename2varname(path.basename(stylableMeta.source)) || 's';
  stylableMeta.namespace = processNamespace(namespace, stylableMeta.source);
  }
  