From 43f1a1dd1b44065663a797603012394c52a9baea Mon Sep 17 00:00:00 2001
From: "(quasar) nebula" <qznebula@protonmail.com>
Date: Sat, 13 May 2023 13:31:58 -0300
Subject: use ESM module syntax & update tui-lib

Exciting update! This doesn't make any substantial changes
exactly but does update the most quickly-archaic parts of
older Node code.
---
 downloaders.js | 94 +++++++++++++++++++++++++++++-----------------------------
 1 file changed, 47 insertions(+), 47 deletions(-)

(limited to 'downloaders.js')

diff --git a/downloaders.js b/downloaders.js
index 941c805..9e7c786 100644
--- a/downloaders.js
+++ b/downloaders.js
@@ -1,25 +1,21 @@
-const { promisifyProcess } = require('./general-util')
-const { promisify } = require('util')
-const { spawn } = require('child_process')
-const { URL } = require('url')
-const mkdirp = promisify(require('mkdirp'))
-const fs = require('fs')
-const fetch = require('node-fetch')
-const tempy = require('tempy')
-const os = require('os')
-const path = require('path')
-const sanitize = require('sanitize-filename')
-
-const writeFile = promisify(fs.writeFile)
-const rename = promisify(fs.rename)
-const stat = promisify(fs.stat)
-const readdir = promisify(fs.readdir)
-const symlink = promisify(fs.symlink)
+import {spawn} from 'node:child_process'
+import {createReadStream, createWriteStream} from 'node:fs'
+import {readdir, rename, stat, symlink, writeFile} from 'node:fs/promises'
+import os from 'node:os'
+import path from 'node:path'
+import url from 'node:url'
+
+import {mkdirp} from 'mkdirp'
+import fetch from 'node-fetch'
+import sanitize from 'sanitize-filename'
+import tempy from 'tempy'
+
+import {promisifyProcess} from './general-util.js'
 
 const copyFile = (source, target) => {
   // Stolen from https://stackoverflow.com/a/30405105/4633828
-  const rd = fs.createReadStream(source)
-  const wr = fs.createWriteStream(target)
+  const rd = createReadStream(source)
+  const wr = createWriteStream(target)
   return new Promise((resolve, reject) => {
     rd.on('error', reject)
     wr.on('error', reject)
@@ -32,7 +28,7 @@ const copyFile = (source, target) => {
   })
 }
 
-// const disableBackResolving = arg => arg.split('/').map(str => str.replace(/^\../, '_..')).join('/')
+export const rootCacheDir = path.join(os.homedir(), '.mtui', 'downloads')
 
 const cachify = (identifier, keyFunction, baseFunction) => {
   return async arg => {
@@ -43,7 +39,7 @@ const cachify = (identifier, keyFunction, baseFunction) => {
 
     // Determine where the final file will end up. This is just a directory -
     // the file's own name is determined by the downloader.
-    const cacheDir = downloaders.rootCacheDir + '/' + identifier
+    const cacheDir = rootCacheDir + '/' + identifier
     const finalDirectory = cacheDir + '/' + sanitize(keyFunction(arg))
 
     // Check if that directory only exists. If it does, return the file in it,
@@ -102,15 +98,16 @@ const removeFileProtocol = arg => {
   }
 }
 
-const downloaders = {
-  extension: 'mp3', // Generally target file extension, used by youtube-dl
+// Generally target file extension, used by youtube-dl
+export const extension = 'mp3'
 
-  rootCacheDir: os.homedir() + '/.mtui/downloads',
+const downloaders = {}
 
-  http: cachify('http',
+downloaders.http =
+  cachify('http',
     arg => {
-      const url = new URL(arg)
-      return url.hostname + url.pathname
+      const {hostname, pathname} = new url.URL(arg)
+      return hostname + pathname
     },
     arg => {
       const out = (
@@ -121,9 +118,10 @@ const downloaders = {
         .then(response => response.buffer())
         .then(buffer => writeFile(out, buffer))
         .then(() => out)
-    }),
+    })
 
-  youtubedl: cachify('youtubedl',
+downloaders.youtubedl =
+  cachify('youtubedl',
     arg => (arg.match(/watch\?v=(.*)/) || ['', arg])[1],
     arg => {
       const outDir = tempy.directory()
@@ -133,7 +131,7 @@ const downloaders = {
         '--quiet',
         '--no-warnings',
         '--extract-audio',
-        '--audio-format', downloaders.extension,
+        '--audio-format', extension,
         '--output', outFile,
         arg
       ]
@@ -141,9 +139,10 @@ const downloaders = {
       return promisifyProcess(spawn('youtube-dl', opts))
         .then(() => readdir(outDir))
         .then(files => outDir + '/' + files[0])
-    }),
+    })
 
-  local: cachify('local',
+downloaders.local =
+  cachify('local',
     arg => arg,
     arg => {
       // Usually we'd just return the given argument in a local
@@ -171,9 +170,10 @@ const downloaders = {
 
       return copyFile(arg, out)
         .then(() => out)
-    }),
+    })
 
-  locallink: cachify('locallink',
+downloaders.locallink =
+  cachify('locallink',
     arg => arg,
     arg => {
       // Like the local downloader, but creates a symbolic link to the argument.
@@ -184,22 +184,22 @@ const downloaders = {
 
       return symlink(path.resolve(arg), out)
         .then(() => out)
-    }),
+    })
 
-  echo: arg => arg,
+downloaders.echo =
+  arg => arg
 
-  getDownloaderFor: arg => {
-    if (arg.startsWith('http://') || arg.startsWith('https://')) {
-      if (arg.includes('youtube.com')) {
-        return downloaders.youtubedl
-      } else {
-        return downloaders.http
-      }
+export default downloaders
+
+export function getDownloaderFor(arg) {
+  if (arg.startsWith('http://') || arg.startsWith('https://')) {
+    if (arg.includes('youtube.com')) {
+      return downloaders.youtubedl
     } else {
-      // return downloaders.local
-      return downloaders.locallink
+      return downloaders.http
     }
+  } else {
+    // return downloaders.local
+    return downloaders.locallink
   }
 }
-
-module.exports = downloaders
-- 
cgit 1.3.0-6-gf8a5