function isFeedFromGitHub(item) {
  if (item.guid !== undefined && item.guid !== null && typeof item.guid === 'string') {
    if (item.guid.substring(0, 14) === 'tag:github.com') {
      return true;
    }
  }
  return false;
}
// we need this method to check whether the feed is from GitHub or not
we need this method to check whether the feed is from GitHub or not
we need this method to check whether the feed is from GitHub or not
function isFeedFromGitHub(item) {
  if (item.guid !== undefined && item.guid !== null && typeof item.guid === 'string') {
    if (item.guid.substring(0, 14) === 'tag:github.com') {
      return true;
    }
  }
  return false;
}
function isFeedFromGitHub ( item ) { if ( item . guid !== undefined && item . guid !== null && typeof item . guid === 'string' ) { if ( item . guid . substring ( 0 , 14 ) === 'tag:github.com' ) { return true ; } } return false ; }
we need this method to check whether the feed is from GitHub or not
we need this method to check whether the feed is from GitHub or not