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// Thanks: https://stackoverflow.com/questions/901115/how-can-i-get-query-string-values-in-javascript
import { DatePipe } from '@angular/common'
import { environment } from '../../../environments/environment'
import { AuthService } from '../../core/auth'
function getParameterByName (name: string, url: string) {
if (!url) url = window.location.href
name = name.replace(/[\[\]]/g, '\\$&')
const regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)')
const results = regex.exec(url)
if (!results) return null
if (!results[2]) return ''
return decodeURIComponent(results[2].replace(/\+/g, ' '))
}
function viewportHeight () {
return Math.max(document.documentElement.clientHeight, window.innerHeight || 0)
}
function populateAsyncUserVideoChannels (authService: AuthService, channel: any[]) {
return new Promise(res => {
authService.userInformationLoaded
.subscribe(
() => {
const user = authService.getUser()
if (!user) return
const videoChannels = user.videoChannels
if (Array.isArray(videoChannels) === false) return
videoChannels.forEach(c => channel.push({ id: c.id, label: c.displayName }))
return res()
}
)
})
}
function getAbsoluteAPIUrl () {
let absoluteAPIUrl = environment.apiUrl
if (!absoluteAPIUrl) {
// The API is on the same domain
absoluteAPIUrl = window.location.origin
}
return absoluteAPIUrl
}
const datePipe = new DatePipe('en')
function dateToHuman (date: string) {
return datePipe.transform(date, 'medium')
}
function immutableAssign <A, B> (target: A, source: B) {
return Object.assign({}, target, source)
}
// Thanks: https://gist.github.com/ghinda/8442a57f22099bdb2e34
function objectToFormData (obj: any, form?: FormData, namespace?: string) {
let fd = form || new FormData()
let formKey
for (let key of Object.keys(obj)) {
if (namespace) formKey = `${namespace}[${key}]`
else formKey = key
if (obj[key] === undefined) continue
if (typeof obj[ key ] === 'object' && !(obj[ key ] instanceof File)) {
objectToFormData(obj[ key ], fd, key)
} else {
fd.append(formKey, obj[ key ])
}
}
return fd
}
function lineFeedToHtml (obj: object, keyToNormalize: string) {
return immutableAssign(obj, {
[keyToNormalize]: obj[keyToNormalize].replace(/\r?\n|\r/g, '<br />')
})
}
// Try to cache a little bit window.innerWidth
let windowInnerWidth = window.innerWidth
setInterval(() => windowInnerWidth = window.innerWidth, 500)
function isInSmallView () {
return windowInnerWidth < 600
}
function isInMobileView () {
return windowInnerWidth < 500
}
export {
viewportHeight,
getParameterByName,
populateAsyncUserVideoChannels,
getAbsoluteAPIUrl,
dateToHuman,
isInSmallView,
isInMobileView,
immutableAssign,
objectToFormData,
lineFeedToHtml
}
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