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export default {
commatize,
privacyDot,
shortMonths,
verboseDate,
carbonDate,
hushViews,
hushSize,
hushNull,
courtesyS,
getRevision,
getAge,
tidyURLs,
getDomain,
}
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 privacyDot (p) {
if (! p) return "·"
else return "·:"
}
const shortMonths = "Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec".split(" ")
function verboseDate (dateStr, pad_hours) {
const dateObj = new Date(dateStr)
let d = dateObj.getDate()
let m = dateObj.getMinutes()
let h = dateObj.getHours()
let meridian
if (h == 0) {
h = 12
meridian = " am"
}
else if (h == 12) {
meridian = " pm"
}
else if (h > 12) {
h -= 12
meridian = " pm"
}
else {
meridian = " am"
}
if (d < 10) d = "0" + d
if (m < 10) m = "0" + m
if (pad_hours && h < 10) h = "0" + h
const date = d + '-' + shortMonths[dateObj.getMonth()] + '-' + dateObj.getFullYear()
const time = h + ':' + m + meridian
return { date, time }
}
function carbonDate (date, no_bold) {
const span = (+new Date() - 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 hushViews (n, bias, no_bold) {
const 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 hushSize (n, bias, nobold) {
const txt = commatize(Math.floor(n / 1024))
bias = 1 || bias
n = n || 0
if (n < 1024) {
return ["quiet", n + " 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 hushNull (n, unit, no_bold) {
const s = unit ? n + " " + 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 courtesyS (n, s) { return v == 1 ? "" : (s || "s") }
const revisionLetters = "z a b c d f g h j k l m n p q r s t v w x y".split(" ")
function getRevision (thread) {
if (! thread.revision) return ""
let rev = thread.revision
let n = 0
let digits = ""
do {
n = rev % 21
rev = Math.floor(rev / 21)
digits = revisionLetters[n] + digits
}
while (rev !== 0)
return digits
}
function getAge (t) {
let age = Math.abs( Date.now() - new Date(t)) / 1000
const r = Math.floor
let 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 r(age) + "h" + m + "m" }
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"
}
function tidyURLs (s, short_urls) {
return s.split("\n").map(function(line){
if (line.indexOf("<") !== -1) {
return line
}
return line.replace(/https?:\/\/[^ ]+/g, function(url){
if (is_image(url)) {
return '<a href="' + url + '" target="_blank"><img src="' + url + '"></a>'
}
else if (short_urls) {
return '<a href="' + url + '" target="_blank">[' + get_domain(url) + ']</a>'
}
else {
return '<a href="' + url + '" target="_blank">' + url + '</a>'
}
})
}).join("<br>\n")
}
function getDomain(url){
return url.replace(/https?:\/\//,"").replace(/\/.*/,"").replace(/www\./, "")
}
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