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 function getParameterByName (name: string, url: string) {
   4   if (!url) url = window.location.href
   5   name = name.replace(/[\[\]]/g, '\\$&')
   6
   7   const regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)')
   8   const results = regex.exec(url)
   9
  10   if (!results) return null
  11   if (!results[2]) return ''
  12
  13   return decodeURIComponent(results[2].replace(/\+/g, ' '))
  14 }
  15
  16 function viewportHeight () {
  17   return Math.max(document.documentElement.clientHeight, window.innerHeight || 0)
  18 }
  19
  20 export {
  21   viewportHeight,
  22   getParameterByName
  23 }