Add peerflix-style interactive select mode

bin/cmd.js

@@ -5,6 +5,7 @@ import createTorrent from 'create-torrent'
 import ecstatic from 'ecstatic'
 import fs from 'fs'
 import http from 'http'
+import inquirer from 'inquirer'
 import mime from 'mime'
 import moment from 'moment'
 import networkAddress from 'network-address'
@@ -42,6 +43,7 @@ const options = {
   simple: {
     o: { alias: 'out', desc: 'Set download destination', type: 'string', requiresArg: true },
     s: { alias: 'select', desc: 'Select specific file in torrent', defaultDescription: 'List files' },
+    i: { alias: 'interactive-select', desc: 'Interactively select specific file in torrent', type: 'boolean' },
     t: { alias: 'subtitles', desc: 'Load subtitles file', type: 'string', requiresArg: true }
   },
   advanced: {
@@ -370,7 +372,7 @@ async function runDownload (torrentId) {
     }
   }
 
-  function onReady () {
+  async function onReady () {
     if (argv.select && typeof argv.select !== 'number') {
       console.log('Select a file to download:')
 
@@ -385,6 +387,31 @@ async function runDownload (torrentId) {
       return gracefulExit()
     }
 
+    if (argv['interactive-select'] && torrent.files.length > 1) {
+      const paths = torrent.files.map(d => d.path)
+      const answers = await inquirer.prompt([{
+        type: 'list',
+        name: 'file',
+        message: 'Choose one file',
+        choices: Array.from(torrent.files)
+          .sort((file1, file2) => file1.path.localeCompare(file2.path))
+          .map(function (file, i) {
+            return {
+              name: file.name + ' : ' + prettierBytes(file.length),
+              value: paths.indexOf(file.path)
+            }
+          })
+      }])
+        .catch(err => {
+          if (err.isTtyError) {
+            return errorAndExit('Could not render interactive selection mode in this terminal.')
+          } else {
+            return errorAndExit('Could not start interactive selection mode: ' + err)
+          }
+        })
+      argv.select = answers.file
+    }
+
     // if no index specified, use largest file
     const index = (typeof argv.select === 'number')
       ? argv.select

package.json

@@ -20,6 +20,7 @@
     "create-torrent": "^5.0.0",
     "dlnacasts": "^0.1.0",
     "ecstatic": "^4.1.4",
+    "inquirer": "^8.2.2",
     "memory-chunk-store": "^1.3.5",
     "mime": "^3.0.0",
     "moment": "^2.29.1",
@@ -28,9 +29,9 @@
     "parse-torrent": "^9.1.3",
     "prettier-bytes": "^1.0.4",
     "vlc-command": "^1.2.0",
-    "yargs": "^17.0.1",
     "webtorrent": "^1.3.2",
-    "winreg": "^1.2.4"
+    "winreg": "^1.2.4",
+    "yargs": "^17.0.1"
   },
   "devDependencies": {
     "@webtorrent/semantic-release-config": "1.0.7",