code: function isPendingSyncStart( state, siteId ) {
  	const syncStatus = getSyncStatus( state, siteId );
  	const fullSyncRequest = getFullSyncRequest( state, siteId );
  
  	// Is the sync scheduled and awaiting cron?
  	const isScheduled = get( syncStatus, 'is_scheduled' );
  	if ( isScheduled ) {
  		return true;
  	}
  
  	// Have we requested a full sync from Calypso?
  	const requestingFullSync =
  		get( fullSyncRequest, 'isRequesting' ) || get( fullSyncRequest, 'scheduled' );
  	if ( ! requestingFullSync ) {
  		return false;
  	}
  
  	// If we have requested a full sync, is that request newer than the last time we received sync status?
  	const lastRequested = get( fullSyncRequest, 'lastRequested' );
  	const lastSuccessfulStatus = get( syncStatus, 'lastSuccessfulStatus' );
  
  	if ( ! lastSuccessfulStatus ) {
  		return true;
  	}
  
  	return parseInt( lastRequested, 10 ) > parseInt( lastSuccessfulStatus, 10 );
  }
docs: Returns a boolean for whether a full sync is pending start.
  @param  {Object} state    Global state tree
  @param  {Number} siteId   Site ID
  @return {Boolean}         Whether a sync is pending start for site