function calculate_average()

in assets/ml-metrics.js [385:404]

• 15 lines of code
• 4 McCabe index (conditional complexity)

function calculate_average(data, daysAgo) {
  if (data.length === 0) return 0;

  data.sort((a, b) => new Date(b.date) - new Date(a.date));

  const mostRecentDate = new Date(data[0].date);
  const currentDate = new Date(mostRecentDate);
  currentDate.setDate(currentDate.getDate() - daysAgo);

  const cutoffDate = new Date(currentDate);
  cutoffDate.setDate(cutoffDate.getDate() - 6);

  const last7DaysData = data.filter(item => {
    const itemDate = new Date(item.date);
    return itemDate >= cutoffDate && itemDate <= currentDate;
  });

  const total = last7DaysData.reduce((sum, item) => sum + item.value, 0);
  return last7DaysData.length > 0 ? total / last7DaysData.length : 0;
}