client/src/app/shared/misc/utils.ts

   1 // Thanks: https://stackoverflow.com/questions/901115/how-can-i-get-query-string-values-in-javascript
   2
   3 import { DatePipe } from '@angular/common'
   4 import { environment } from '../../../environments/environment'
   5 import { AuthService } from '../../core/auth'
   6
   7 function getParameterByName (name: string, url: string) {
   8   if (!url) url = window.location.href
   9   name = name.replace(/[\[\]]/g, '\\$&')
  10
  11   const regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)')
  12   const results = regex.exec(url)
  13
  14   if (!results) return null
  15   if (!results[2]) return ''
  16
  17   return decodeURIComponent(results[2].replace(/\+/g, ' '))
  18 }
  19
  20 function viewportHeight () {
  21   return Math.max(document.documentElement.clientHeight, window.innerHeight || 0)
  22 }
  23
  24 function populateAsyncUserVideoChannels (authService: AuthService, channel: any[]) {
  25   return new Promise(res => {
  26     authService.userInformationLoaded
  27       .subscribe(
  28         () => {
  29           const user = authService.getUser()
  30           if (!user) return
  31
  32           const videoChannels = user.videoChannels
  33           if (Array.isArray(videoChannels) === false) return
  34
  35           videoChannels.forEach(c => channel.push({ id: c.id, label: c.displayName }))
  36
  37           return res()
  38         }
  39       )
  40   })
  41 }
  42
  43 function getAbsoluteAPIUrl () {
  44   let absoluteAPIUrl = environment.apiUrl
  45   if (!absoluteAPIUrl) {
  46     // The API is on the same domain
  47     absoluteAPIUrl = window.location.origin
  48   }
  49
  50   return absoluteAPIUrl
  51 }
  52
  53 const datePipe = new DatePipe('en')
  54 function dateToHuman (date: string) {
  55   return datePipe.transform(date, 'medium')
  56 }
  57
  58 function isInSmallView () {
  59   return window.innerWidth < 600
  60 }
  61
  62 function isInMobileView () {
  63   return window.innerWidth < 500
  64 }
  65
  66 export {
  67   viewportHeight,
  68   getParameterByName,
  69   populateAsyncUserVideoChannels,
  70   getAbsoluteAPIUrl,
  71   dateToHuman,
  72   isInSmallView,
  73   isInMobileView
  74 }