Function to help format data fetched from the R10 Graphcool API for a React Native SectionList.

dataFormatHelpers.js

// Helper to format GraphQL data into section list data
export const formatSessionData = sessions => {
  return sessions
    .reduce((acc, curr) => {
      const timeExists = acc.find(section => section.title === curr.startTime);
      timeExists
        ? timeExists.data.push(curr)
        : acc.push({ title: curr.startTime, data: [curr] });
      return acc;
    }, [])
    .sort((a, b) => a.title - b.title);
};