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path: root/public/assets/js/util/format.js
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function commatize (n) {
  var nums = [], i, counter = 0, r = Math.floor
  if (n > 1024) {
    n /= 1024
    nums.unshift(r((n * 10) % 10))
    nums.unshift(".")
  }
  do {
    i = n % 10
    n = r(n / 10)
    if (n && ! (++counter % 3))
      { i = ' ' + r(i) }
    nums.unshift(r(i))
  }
  while (n)
  return nums.join("")
}

function privacy_dot (p) {
  if (! p) return "·"
  else return "·:"
}

function carbon_date (date, no_bold) {
  var span = (+new Date() - date * 1000)
  if (! no_bold && span < 86400) // modified today
    { color = "new" }
  else if (span < 604800) // modifed this week
    { color = "recent" }
  else if (span < 1209600) // modifed 2 weeks ago
    { color = "med" }
  else if (span < 3024000) // modifed 5 weeks ago
    { color = "old" }
  else if (span < 12315200) // modifed 6 months ago
    { color = "older" }
  else
    { color = "quiet" }
  return color
}

function hush_views (n, bias, no_bold) {
  var txt = commatize(n)
  bias = bias || 1
  n = n || 0
  if (n < 30) { return["quiet", n + " v."] }
  if (n < 200) { return ["quiet", txt + " v."] }
  else if (n < 500) { return ["quiet", txt + " v."] }
  else if (n < 1000) { return ["old", txt + " v."] }
  else if (n < 5000) { return ["med", txt + " kv."] }
  else if (nobold || n < 10000) { return ["recent", txt + " kv."] }
  else { return ["new", txt + " kv."] }
}

function hush_size (n, bias, nobold) {
  var txt = commatize(Math.floor(n / 1024))
  bias = 1 || bias
  n = n || 0
  if (n < 1024) {
    return ["quiet", txt + " b."]
  }
  if (n < 1024*1024) {
    return ["quiet", txt + " kb."]
  }
  else if (n < (20000000/bias)) {
    return ["quiet", txt + " mb."]
  }
  else if (n < (50000000/bias)) {
    return ["old", txt + " mb."]
  }
  else if (n < (80000000/bias)) {
    return ["med", txt + " mb."]
  }
  else if (nobold || n < (170000000/bias)) {
    return ["recent", txt + " mb."]
  }
  else {
    return ["new", txt + " mb."]
  }
}

function hush_null (n, unit, no_bold) {
  var s = unit ? n + "&nbsp;" + unit + "." : n
  if (n < 3) {
    return ["quiet", s]
  }
  else if (n < 6) {
    return ["older", s]
  }
  else if (n < 10) {
    return ["old", s]
  }
  else if (n < 16) {
    return ["med", s]
  }
  else if (no_bold || n < 21) {
    return ["recent", s]
  }
  else {
    return ["new", s]
  }
}

function courtesy_s (n, s) { return v == 1 ? "" : (s || "s") }

var revision_letters = "z a b c d f g h j k l m n p q r s t v w x y".split(" ")
function get_revision (thread) {
  if (! thread.revision) return ""
  var rev = thread.revision
  var n = 0
  var digits = ""
  do {
    n = rev % 21
    rev = Math.floor(rev / 21)
    digits = revision_letters[n] + digits
  }
  while (rev !== 0)
  return digits
}

function get_age (t) {
  var age = Math.abs( Date.now()/1000 - t)
  var r = Math.floor
  var m
  if (age < 5) { return "now" }
  if (age < 60) { return r(age) + "s" }
  age /= 60
  if (age < 60) { return r(age) + "m" }
  m = r(age % 60)
  age /= 60
  if (m > 0 && age < 2) { return m + "m" + r(age) + "h" }
  if (age < 24) { return r(age) + "h" }
  age /= 24
  if (age < 7) { return r(age) + "d" }
  age /= 7
  if (age < 12) { return r(age) + "w" }
  age /= 4
  if (age < 12) { return r(age) + "m" }
  age /= 12
  return r(age) + "y"
}