Human Post Date

humanDate.js

// Requires ES6
import moment from 'moment'

makeHumanDate (jsDateObject) {
        
  // Now (If less than 1 minute)
  // 5 mins ago (If less than 1 hours)
  // 19 hrs ago (If less than 24 hours)
  // Yesterday (If date is yesterday)
  // Sunday (If from this week)
  // August 3 (If from this year)
  // December 31 2015 (If all else)

  // Warn bad date
  if (jsDateObject === NaN) {
    console.log('Invalid Date', jsDateObject)
  }

  const now = new Date()
  const oneMinute = 60 * 1000// Milliseconds
  const oneHour = 60 * oneMinute
  const oneDay = 24 * oneHour

  let date = jsDateObject//moment(dateString)
  let humanDate = ''

  let yesterday = new Date()
  yesterday.setDate(now.getDate() - 1)

  console.log(moment(now.toISOString()).format('W'))
  console.log(date.toISOString(), moment(date.toISOString()).format('W'))

  if ( (now - date) < oneMinute ) {
    humanDate = `Now`

  // If less than 1 hour
  // Minute Format - 5 min ago
  } else if ((now - date) < oneHour) {
    const minutesSince = Math.floor((now.getTime() - date.getTime()) / oneMinute)
    humanDate = `${minutesSince} mins ago`

  // If it's from today
  // Hour Format - 5 hrs ago
  } else if (now.toDateString() === date.toDateString()){
    const hoursSince = Math.floor((now.getTime() - date.getTime()) / oneHour)
    humanDate = `${hoursSince} hrs ago`

  //If Yesterday
  } else if (yesterday.toDateString() === date.toDateString()) {
    humanDate = `Yesterday`

  // If from this week
  // Format - Sunday
} else if( moment(now.toISOString()).format('W') === moment(date.toISOString()).format('W') ) {
    humanDate = moment(date).format('dddd')

  // If from this year
  // Format - August 8
  } else if (now.getFullYear() === date.getFullYear()) {
    const monthName = date.toLocaleString('en-us', { month: "long" })
    const dayOfMonth = date.getDate()
    humanDate = `${monthName} ${dayOfMonth}`

  // Full Date
  // August 8 1992
  } else {
    humanDate = moment(date).format('MMM D Y')
  }

  return humanDate
}