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 { environment } from '../../../environments/environment'
   4 import { AuthService } from '../../core/auth'
   5
   6 function getParameterByName (name: string, url: string) {
   7   if (!url) url = window.location.href
   8   name = name.replace(/[\[\]]/g, '\\$&')
   9
  10   const regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)')
  11   const results = regex.exec(url)
  12
  13   if (!results) return null
  14   if (!results[2]) return ''
  15
  16   return decodeURIComponent(results[2].replace(/\+/g, ' '))
  17 }
  18
  19 function viewportHeight () {
  20   return Math.max(document.documentElement.clientHeight, window.innerHeight || 0)
  21 }
  22
  23 function populateAsyncUserVideoChannels (authService: AuthService, channel: any[]) {
  24   return new Promise(res => {
  25     authService.userInformationLoaded
  26       .subscribe(
  27         () => {
  28           const user = authService.getUser()
  29           if (!user) return
  30
  31           const videoChannels = user.videoChannels
  32           if (Array.isArray(videoChannels) === false) return
  33
  34           videoChannels.forEach(c => channel.push({ id: c.id, label: c.displayName }))
  35
  36           return res()
  37         }
  38       )
  39   })
  40 }
  41
  42 function getAbsoluteAPIUrl () {
  43   let absoluteAPIUrl = environment.apiUrl
  44   if (!absoluteAPIUrl) {
  45     // The API is on the same domain
  46     absoluteAPIUrl = window.location.origin
  47   }
  48
  49   return absoluteAPIUrl
  50 }
  51
  52 export {
  53   viewportHeight,
  54   getParameterByName,
  55   populateAsyncUserVideoChannels,
  56   getAbsoluteAPIUrl
  57 }