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/* Mobile check */
export const isiPhone = !!((navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i)))
export const isiPad = !!(navigator.userAgent.match(/iPad/i))
export const isAndroid = !!(navigator.userAgent.match(/Android/i))
export const isMobile = isiPhone || isiPad || isAndroid
export const isDesktop = !isMobile
export const toArray = a => Array.prototype.slice.apply(a)
export const choice = a => a[Math.floor(Math.random() * a.length)]
const htmlClassList = document.body.parentNode.classList
htmlClassList.add(isDesktop ? 'desktop' : 'mobile')
/* Default image dimensions */
export const widths = {
th: 160,
sm: 320,
md: 640,
lg: 1280,
}
/* Formatting functions */
const acronyms = 'id url cc sa fp md5 sha256'.split(' ').map(s => '_' + s)
const acronymsUpperCase = acronyms.map(s => s.toUpperCase())
export const formatName = s => {
acronyms.forEach((acronym, i) => s = s.replace(acronym, acronymsUpperCase[i]))
return s.replace(/_/g, ' ')
}
// Use to pad frame numbers with zeroes
export const pad = (n, m) => {
let s = String(n || 0)
while (s.length < m) {
s = '0' + s
}
return s
}
export const courtesyS = (n, s) => n + ' ' + (n === 1 ? s : s + 's')
export const padSeconds = n => n < 10 ? '0' + n : n
export const timestamp = (n = 0, fps = 25) => {
n /= fps
let s = padSeconds(Math.round(n) % 60)
n = Math.floor(n / 60)
if (n > 60) {
return Math.floor(n / 60) + ':' + padSeconds(n % 60) + ':' + s
}
return (n % 60) + ':' + s
}
export const percent = n => (n * 100).toFixed(1) + '%'
export const px = (n, w) => Math.round(n * w) + 'px'
export const clamp = (n, a, b) => n < a ? a : n < b ? n : b
/* URLs */
export const preloadImage = opt => {
let { verified, hash, frame, url } = opt
if (hash && frame) {
url = imageUrl(verified, hash, frame, 'md')
}
const image = new Image()
let loaded = false
image.onload = () => {
if (loaded) return
loaded = true
image.onload = null
}
// console.log(img.src)
image.crossOrigin = 'anonymous'
image.src = url
if (image.complete) {
image.onload()
}
}
/* AJAX */
export const post = (uri, data) => {
let headers
if (data instanceof FormData) {
headers = {
Accept: 'application/json, application/xml, text/play, text/html, *.*',
}
} else {
headers = {
Accept: 'application/json, application/xml, text/play, text/html, *.*',
'Content-Type': 'application/json; charset=utf-8',
}
data = JSON.stringify(data)
}
let opt = {
method: 'POST',
body: data,
headers,
credentials: 'include',
}
// console.log(headers)
// headers['X-CSRFToken'] = csrftoken
return fetch(uri, opt).then(res => res.json())
}
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