client/src/assets/player/utils.ts

   1 function toTitleCase (str: string) {
   2   return str.charAt(0).toUpperCase() + str.slice(1)
   3 }
   4
   5 // https://github.com/danrevah/ngx-pipes/blob/master/src/pipes/math/bytes.ts
   6 // Don't import all Angular stuff, just copy the code with shame
   7 const dictionaryBytes: Array<{max: number, type: string}> = [
   8   { max: 1024, type: 'B' },
   9   { max: 1048576, type: 'KB' },
  10   { max: 1073741824, type: 'MB' },
  11   { max: 1.0995116e12, type: 'GB' }
  12 ]
  13 function bytes (value) {
  14   const format = dictionaryBytes.find(d => value < d.max) || dictionaryBytes[dictionaryBytes.length - 1]
  15   const calc = Math.floor(value / (format.max / 1024)).toString()
  16
  17   return [ calc, format.type ]
  18 }
  19
  20 function getStoredVolume () {
  21   const value = getLocalStorage('volume')
  22   if (value !== null && value !== undefined) {
  23     const valueNumber = parseFloat(value)
  24     if (isNaN(valueNumber)) return undefined
  25
  26     return valueNumber
  27   }
  28
  29   return undefined
  30 }
  31
  32 function getStoredMute () {
  33   const value = getLocalStorage('mute')
  34   if (value !== null && value !== undefined) return value === 'true'
  35
  36   return undefined
  37 }
  38
  39 function getAverageBandwidth () {
  40   const value = getLocalStorage('average-bandwidth')
  41   if (value !== null && value !== undefined) {
  42     const valueNumber = parseInt(value, 10)
  43     if (isNaN(valueNumber)) return undefined
  44
  45     return valueNumber
  46   }
  47
  48   return undefined
  49 }
  50
  51 function saveVolumeInStore (value: number) {
  52   return setLocalStorage('volume', value.toString())
  53 }
  54
  55 function saveMuteInStore (value: boolean) {
  56   return setLocalStorage('mute', value.toString())
  57 }
  58
  59 function saveAverageBandwidth (value: number) {
  60   return setLocalStorage('average-bandwidth', value.toString())
  61 }
  62
  63 export {
  64   toTitleCase,
  65   getStoredVolume,
  66   saveVolumeInStore,
  67   saveAverageBandwidth,
  68   getAverageBandwidth,
  69   saveMuteInStore,
  70   getStoredMute,
  71   bytes
  72 }
  73
  74 // ---------------------------------------------------------------------------
  75
  76 const KEY_PREFIX = 'peertube-videojs-'
  77
  78 function getLocalStorage (key: string) {
  79   try {
  80     return localStorage.getItem(KEY_PREFIX + key)
  81   } catch {
  82     return undefined
  83   }
  84 }
  85
  86 function setLocalStorage (key: string, value: string) {
  87   try {
  88     localStorage.setItem(KEY_PREFIX + key, value)
  89   } catch { /* empty */ }
  90 }