next.js/.github/actions/next-repo-actions/lib/util.mjs

import { getExecOutput } from '@actions/exec'
import { setFailed } from '@actions/core'

// format date to <month|short> <day|numeric>, <year|numeric>
export function formattedDate(createdAt) {
  const date = new Date(createdAt)

  return date.toLocaleDateString('en-US', {
    month: 'short',
    day: 'numeric',
    year: 'numeric',
  })
}

// Get the date 90 days ago (YYYY-MM-DD)
export function ninetyDaysAgo() {
  const date = new Date()
  date.setDate(date.getDate() - 90)
  return date.toISOString().split('T')[0]
}