Function getIntervalMilestone

src/renderer/composables/useDonationTriggers.ts:33–38

(total: number, interval: number)

const STREAK_MILESTONES = [7, 30, 100] as const

function getIntervalMilestone(total: number, interval: number): number | null {
  if (total < interval) {
    return null
  }
  return Math.floor(total / interval) * interval
}

function getStreakMilestone(streak: number): number | null {
  return STREAK_MILESTONES.find(m => m === streak) ?? null