drop node-fetch dependency, use undici

undici's fetch implementation is included in node and has been considered stable since version 21.
for some time I think depending on the undici package instead of the built-in is a good idea so that older nodejs versions will still work correctly.

src/streamers/deezer/main.ts

@@ -1,4 +1,4 @@
-import fetch from 'node-fetch'
+import { fetch } from 'undici'
 import {
 	Album,
 	Artist,
@@ -24,7 +24,7 @@ import {
 	parseArtist,
 	parseTrack
 } from './parse.js'
-import { Transform } from 'stream'
+import { Readable, Transform } from 'stream'
 import { Blowfish } from 'blowfish-cbc'
 
 interface DeezerOptions {
@@ -406,7 +406,7 @@ export default class Deezer implements StreamerWithLogin {
 		})
 
 		return {
-			stream: streamResp.body!.pipe(decryption),
+			stream: Readable.fromWeb(streamResp.body!).pipe(decryption),
 			mimeType
 		}
 	}

src/streamers/qobuz/main.ts

@@ -1,5 +1,5 @@
 import crypto from 'crypto'
-import fetch from 'node-fetch'
+import { fetch } from 'undici'
 import {
 	ItemType,
 	StreamerWithLogin,
@@ -11,6 +11,7 @@ import {
 } from '../../types.js'
 import { DEFAULT_HEADERS } from './constants.js'
 import { parseAlbum, parseTrack, parseArtist, RawAlbum, RawArtist, RawTrack } from './parse.js'
+import { Readable } from 'stream'
 
 function headers(token?: string): HeadersInit {
 	const headers: HeadersInit = DEFAULT_HEADERS
@@ -182,7 +183,7 @@ export default class Qobuz implements StreamerWithLogin {
 		return {
 			mimeType: trackFileResponse.mime_type,
 			sizeBytes: parseInt(<string>streamResponse.headers.get('Content-Length')),
-			stream: <NodeJS.ReadableStream>streamResponse.body
+			stream: Readable.fromWeb(streamResponse.body!)
 		}
 	}
 

src/streamers/soundcloud/main.ts

@@ -1,4 +1,4 @@
-import fetch, { HeadersInit } from 'node-fetch'
+import { fetch, HeadersInit } from 'undici'
 import { DEFAULT_HEADERS, SC_VERSION } from './constants.js'
 import {
 	ItemType,
@@ -20,6 +20,7 @@ import {
 	RawArtist,
 	ScClient
 } from './parse.js'
+import { Readable } from 'stream'
 
 function headers(oauthToken?: string | undefined): HeadersInit {
 	const headers: HeadersInit = DEFAULT_HEADERS
@@ -307,8 +308,8 @@ async function getStream(
 		const streamResp = await fetch(json.url)
 		return {
 			mimeType: transcoding.format.mime_type,
-			sizeBytes: parseInt(<string>streamResp.headers.get('Content-Length')),
-			stream: <NodeJS.ReadableStream>streamResp.body
+			sizeBytes: parseInt(streamResp.headers.get('Content-Length')!),
+			stream: Readable.fromWeb(streamResp.body!)
 		}
 	} else {
 		const container = transcoding.format.mime_type.split('/')[1].split(';')[0].split('+')[0]

src/streamers/soundcloud/parse.ts

@@ -1,6 +1,6 @@
 import { Artist, Album, Track } from '../../types.js'
 import { spawn } from 'child_process'
-import fetch from 'node-fetch'
+import { fetch } from 'undici'
 import { imageSize as sizeOf } from 'image-size'
 import os from 'node:os'
 import fs from 'node:fs'
@@ -9,11 +9,8 @@ import path from 'node:path'
 async function parseCoverArtwork(url: string) {
 	const resp = await fetch(url)
 	if (!resp.body) throw new Error('No body on image')
-	const chunks = []
-	for await (const chunk of resp.body) {
-		chunks.push(Buffer.from(chunk))
-	}
-	const dimensions = sizeOf(Buffer.concat(chunks))
+	const body = await resp.arrayBuffer()
+	const dimensions = sizeOf(new Uint8Array(body))
 	if (!dimensions.width || !dimensions.height) throw new Error(`Couldn't get dimensions`)
 	return {
 		url,

src/streamers/tidal/main.ts

@@ -1,4 +1,4 @@
-import fetch from 'node-fetch'
+import { fetch } from 'undici'
 import { spawn } from 'child_process'
 import {
 	ItemType,
@@ -21,7 +21,7 @@ import {
 	parseMpd,
 	parseTrack
 } from './parse.js'
-import Stream from 'stream'
+import Stream, { Readable } from 'stream'
 
 interface TidalOptions {
 	tvToken: string
@@ -354,7 +354,7 @@ export default class Tidal implements Streamer {
 			return {
 				mimeType: manifest.mimeType,
 				sizeBytes: parseInt(<string>streamResponse.headers.get('Content-Length')),
-				stream: <NodeJS.ReadableStream>streamResponse.body
+				stream: Readable.fromWeb(streamResponse.body!)
 			}
 		}