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-rw-r--r--app/client/util/index.js159
1 files changed, 159 insertions, 0 deletions
diff --git a/app/client/util/index.js b/app/client/util/index.js
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+++ b/app/client/util/index.js
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+import * as sort from './sort'
+
+export {
+ sort
+}
+
+export const is_iphone = !!((navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i)))
+export const is_ipad = !!(navigator.userAgent.match(/iPad/i))
+export const is_android = !!(navigator.userAgent.match(/Android/i))
+export const is_mobile = is_iphone || is_ipad || is_android
+export const is_desktop = ! is_mobile;
+
+const htmlClassList = document.body.parentNode.classList
+htmlClassList.add(is_desktop ? 'desktop' : 'mobile')
+htmlClassList.remove('loading')
+
+// window.debug = false
+
+export function clamp(n,a,b) { return n<a?a:n<b?n:b }
+export function norm(n,a,b) { return (n-a) / (b-a) }
+export function lerp(n,a,b) { return (b-a)*n+a }
+export function mix(n,a,b) { return a*(1-n)+b*n }
+export function randint(n) { return Math.floor(Math.random()*n) }
+export function randrange(a,b){ return Math.random() * (b-a) + a }
+
+document.body.style.backgroundImage = 'linear-gradient(' + (randint(40)+40) + 'deg, #fde, #ffe)'
+
+export function timeInSeconds(n){
+ return (n / 10).toFixed(1) + ' s.'
+}
+export function gerund(s){
+ return s.replace(/e?$/, 'ing')
+}
+export function commatize (n, radix) {
+ radix = radix || 1024
+ var nums = [], i, counter = 0, r = Math.floor
+ if (n > radix) {
+ n /= radix
+ 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("")
+}
+export function carbon_date (date, no_bold) {
+ var span = (+new Date() - new Date(date)) / 1000, color
+ 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
+}
+export function hush_views (n, bias, no_bold) {
+ var txt = commatize(n, 1000)
+ 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 (no_bold || n < 10000) { return ["recent", txt + " kv."] }
+ else { return ["new", txt + " kv."] }
+}
+export function hush_threads (n, bias, no_bold) {
+ var txt = commatize(n, 1000)
+ bias = bias || 1
+ n = n || 0
+ if (n < 10) { return["quiet", n + " t."] }
+ else if (n < 25) { return ["old", txt + " t."] }
+ else if (n < 50) { return ["med", txt + " t."] }
+ else if (no_bold || n < 100) { return ["recent", txt + " t."] }
+ else { return ["new", txt + " t."] }
+}
+export function hush_size (n, bias, no_bold) {
+ var txt = commatize(Math.round(n / 1024))
+ bias = 1 || bias
+ n = n || 0
+ if (! n) { return ['', ''] }
+ if (n < 1000) {
+ return ["quiet", n + " b."]
+ }
+ if (n < 1000000) {
+ 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 (no_bold || n < (170000000/bias)) {
+ return ["recent", txt + " mb."]
+ }
+ else {
+ return ["new", txt + " mb."]
+ }
+}
+export function hush_null (n, unit, no_bold) {
+ var 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]
+ }
+}
+export function get_age (t) {
+ var age = Math.abs(+Date.now() - new Date(t))/1000
+ 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 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"
+}
+export function courtesy_s (n, s) { return n == 1 ? "" : (s || "s") }