getRecentCommitCount - Get a user's GitHub commit count within a timeframe using fetch()

getRecentCommitCount.ts

export async function getRecentCommitCount(username: string, email: string, days: number = 30) {
  let totalCommits = 0
  let page = 1
  const perPage = 100
  const timeFrame = new Date()
  timeFrame.setDate(timeFrame.getDate() - days)
  let stop = false

  // Loop through pages until we find a commit outside of our timeframe
  while (!stop) {
    // Fetch last 100 events from GitHub API for User
    // retrieves private events if you are authenticated and fetching your own events
    const response = await fetch(
      `https://api.github.com/users/${username}/events?page=${page}&per_page=${perPage}`,
      {
        headers : {
          Accept: "application/vnd.github.v3+json",
          Authorization: process.env.GITHUB_TOKEN ? `Bearer ${process.env.GITHUB_TOKEN}` : '',
        }
      }
    )

    const data = await response.json()

    if (data.length) {
      // filter out non-commit events and events older than {days} days and events that are not by {email}
      const recentCommitEvents = data.filter((event) => {
        return (
          event.type === "PushEvent" &&
          new Date(event.created_at) >= timeFrame &&
          event.payload?.commits?.some((commit) => commit.author?.email.includes(email))
        )
      })

      // count commits in each event authored by {email}
      totalCommits += recentCommitEvents?.reduce((acc, event) => {
        const userCommits = event.payload?.commits?.filter(
          (commit) => commit.author?.email.includes(email)
        )
        return (acc += userCommits?.length)
      }, 0)
      
      // check if the last event is older than {days} days, if true, stop the loop
      if (new Date(data[data.length - 1].created_at) < timeFrame) {
        stop = true
      }
    } else {
      stop = true
    }
    
    page++
  }

  return totalCommits
}

// Retrieve last 30 days
const commitsInLastMonth = getRecentCommitCount("plasmadice", process.env.GITHUB_EMAIL as string)

// Retrieve last 7 days
const commitsInLastMonth = getRecentCommitCount("plasmadice", process.env.GITHUB_EMAIL as string, 7)