configured prettier

.prettierrc

@@ -0,0 +1,7 @@
+{
+  "tabWidth": 2,
+  "useTabs": false,
+  "semi": false,
+  "singleQuote": true,
+  "objectWrap": "collapse"
+}

main.ts

@@ -2,11 +2,13 @@ import { existsSync } from 'node:fs'
 import { mkdir, writeFile } from 'node:fs/promises'
 import path from 'node:path'
 import { argv } from 'node:process'
-import { Buffer } from "node:buffer"
-import * as cheerio from "https://esm.sh/cheerio?target=esnext"
+import { Buffer } from 'node:buffer'
+import * as cheerio from 'https://esm.sh/cheerio?target=esnext'
 
-const REGEX_PLAYLISTURL = /^https:\/\/downloads\.khinsider\.com\/game-soundtracks\/album\/[^\/]+\/?$/i
-const REGEX_SONGURL = /^https:\/\/downloads\.khinsider\.com\/game-soundtracks\/album\/[^\/]+\/[^\/]+\/?$/i
+const REGEX_PLAYLISTURL =
+  /^https:\/\/downloads\.khinsider\.com\/game-soundtracks\/album\/[^\/]+\/?$/i
+const REGEX_SONGURL =
+  /^https:\/\/downloads\.khinsider\.com\/game-soundtracks\/album\/[^\/]+\/[^\/]+\/?$/i
 const REGEX_ALBUMTITLE = /^(.*?) MP3 - Download/i
 const REGEX_UNSAFEFORFILE = /[^a-z0-9\-_=+,.()\[\]{} ]/gi
 
@@ -22,7 +24,9 @@ async function main() {
       await downloadSong(song, downloadPath || '.')
     }
   } else {
-    await Promise.all(playlist.map(song => downloadSong(song, downloadPath || '.')))
+    await Promise.all(
+      playlist.map((song) => downloadSong(song, downloadPath || '.'))
+    )
   }
 }
 
@@ -36,9 +40,10 @@ async function fetchPlaylist(url: string): Promise<PlaylistSongData[]> {
 
   const $ = cheerio.load(text)
 
-  const title = $.extract({
-    title: 'title'
-  }).title ?? ''
+  const title =
+    $.extract({
+      title: 'title',
+    }).title ?? ''
   const titleMatch = REGEX_ALBUMTITLE.exec(title)
   if (titleMatch === null) {
     throw `unable to grab album name from ${title}`
@@ -49,7 +54,7 @@ async function fetchPlaylist(url: string): Promise<PlaylistSongData[]> {
   const rows = getPlaylistRows($, columns, albumName)
 
   console.log(`downloading ${rows.length} songs`)
-  
+
   return rows
 }
 
@@ -58,6 +63,7 @@ interface PlaylistTableColumns {
   track: number
   cd: number
 }
+
 interface PlaylistSongData {
   url: string
   album: string
@@ -69,26 +75,29 @@ interface PlaylistSongData {
 function getPlaylistTableHeaders($: cheerio.CheerioAPI): PlaylistTableColumns {
   const header = $('#songlist tr#songlist_header')
   const headerCells = header.extract({
-    cells: ['th']
+    cells: ['th'],
   })
 
-  const indexes =  headerCells.cells.reduce((p, c, i) => {
-    switch (c.toLocaleLowerCase()) {
-      case 'cd':
-        p.cd = i
-        break
-      case '#':
-        p.track = i
-        break
-      case 'song name':
-        p.name = i
+  const indexes = headerCells.cells.reduce(
+    (p, c, i) => {
+      switch (c.toLocaleLowerCase()) {
+        case 'cd':
+          p.cd = i
+          break
+        case '#':
+          p.track = i
+          break
+        case 'song name':
+          p.name = i
+      }
+      return p
+    },
+    {
+      name: -1,
+      track: -1,
+      cd: -1,
     }
-    return p
-  }, {
-    name: -1,
-    track: -1,
-    cd: -1,
-  })
+  )
 
   if (indexes.name == -1) {
     throw 'unable to find song title column'
@@ -97,10 +106,14 @@ function getPlaylistTableHeaders($: cheerio.CheerioAPI): PlaylistTableColumns {
   return indexes
 }
 
-function getPlaylistRows($: cheerio.CheerioAPI, columns: PlaylistTableColumns, albumName: string): PlaylistSongData[] {
+function getPlaylistRows(
+  $: cheerio.CheerioAPI,
+  columns: PlaylistTableColumns,
+  albumName: string
+): PlaylistSongData[] {
   const rows = $('#songlist tr:not(#songlist_header):not(#songlist_footer)')
   const rowsData: PlaylistSongData[] = []
-  
+
   rows.each((_, rowEl) => {
     const row = cheerio.load(rowEl)
     const rowData: PlaylistSongData = {
@@ -110,16 +123,17 @@ function getPlaylistRows($: cheerio.CheerioAPI, columns: PlaylistTableColumns, a
       track: -1,
       cd: -1,
     }
-    
-    rowData.url = row.extract({
-      url: {
-        selector: 'td.playlistDownloadSong a',
-        value: 'href'
-      }
-    }).url ?? ''
+
+    rowData.url =
+      row.extract({
+        url: {
+          selector: 'td.playlistDownloadSong a',
+          value: 'href',
+        },
+      }).url ?? ''
 
     const rowCells = row.extract({
-      cells: ['td']
+      cells: ['td'],
     }).cells
 
     rowData.name = rowCells[columns.name]
@@ -163,8 +177,8 @@ async function downloadSong(song: PlaylistSongData, location: string) {
   const flacUrl = $.extract({
     url: {
       selector: '#pageContent a[href*="flac"]',
-      value: 'href'
-    }
+      value: 'href',
+    },
   }).url
 
   if (!flacUrl) {
@@ -172,7 +186,7 @@ async function downloadSong(song: PlaylistSongData, location: string) {
   }
 
   const { pathname, fullpathname } = pathFor(location, song)
-  
+
   if (!existsSync(pathname)) {
     await mkdir(pathname)
   }
@@ -198,24 +212,27 @@ function pathFor(location: string, song: PlaylistSongData): SongPath {
   const albumname = song.album.replace(REGEX_UNSAFEFORFILE, '')
   const songname = song.name.replace(REGEX_UNSAFEFORFILE, '')
 
-  const filename = `${song.cd >= 0 ? song.cd+'.' : ''}${song.track >= 0 ? song.track+'.' : ''}${song.cd >= 0 || song.track >= 0 ? ' ' : ''}${songname}.flac`
+  const cd = song.cd >= 0 ? song.cd + '.' : ''
+  const track = song.track >= 0 ? song.track + '.' : ''
+  const separator = song.cd >= 0 || song.track >= 0 ? ' ' : ''
+  const filename = `${cd}${track}${separator}${songname}.flac`
 
   const pathname = path.resolve(location, albumname)
   const fullpathname = path.resolve(pathname, filename)
 
   return {
     pathname,
-    fullpathname
+    fullpathname,
   }
 }
 
 function toBuffer(arrayBuffer: ArrayBuffer) {
-  const buffer = Buffer.alloc(arrayBuffer.byteLength);
-  const view = new Uint8Array(arrayBuffer);
+  const buffer = Buffer.alloc(arrayBuffer.byteLength)
+  const view = new Uint8Array(arrayBuffer)
   for (let i = 0; i < buffer.length; ++i) {
-    buffer[i] = view[i];
+    buffer[i] = view[i]
   }
-  return buffer;
+  return buffer
 }
 
-main().catch(e => console.error(e))
+main().catch((e) => console.error(e))