server/tests/utils/miscs/miscs.ts

   1 import * as WebTorrent from 'webtorrent'
   2 import { readFile, readdir } from 'fs'
   3
   4 let webtorrent = new WebTorrent()
   5
   6 function immutableAssign <T, U> (target: T, source: U) {
   7   return Object.assign<{}, T, U>({}, target, source)
   8 }
   9
  10 function readFilePromise (path: string) {
  11   return new Promise<Buffer>((res, rej) => {
  12     readFile(path, (err, data) => {
  13       if (err) return rej(err)
  14
  15       return res(data)
  16     })
  17   })
  18 }
  19
  20 function readdirPromise (path: string) {
  21   return new Promise<string[]>((res, rej) => {
  22     readdir(path, (err, files) => {
  23       if (err) return rej(err)
  24
  25       return res(files)
  26     })
  27   })
  28 }
  29
  30   // Default interval -> 2 minutes
  31 function dateIsValid (dateString: string, interval = 120000) {
  32   const dateToCheck = new Date(dateString)
  33   const now = new Date()
  34
  35   return Math.abs(now.getTime() - dateToCheck.getTime()) <= interval
  36 }
  37
  38 function wait (milliseconds: number) {
  39   return new Promise(resolve => setTimeout(resolve, milliseconds))
  40 }
  41
  42 function webtorrentAdd (torrent: string, refreshWebTorrent = false) {
  43   if (refreshWebTorrent === true) webtorrent = new WebTorrent()
  44
  45   return new Promise<WebTorrent.Torrent>(res => webtorrent.add(torrent, res))
  46 }
  47
  48 // ---------------------------------------------------------------------------
  49
  50 export {
  51   readFilePromise,
  52   readdirPromise,
  53   dateIsValid,
  54   wait,
  55   webtorrentAdd,
  56   immutableAssign
  57 }