Adding MusicBrainz as a metadata source

.devcontainer/devcontainer.json

@@ -0,0 +1,26 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.245.2/containers/docker-existing-dockerfile
+{
+	"name": "Existing Dockerfile",
+
+	// Sets the run context to one level up instead of the .devcontainer folder.
+	"context": "..",
+
+	// Update the 'dockerFile' property if you aren't using the standard 'Dockerfile' filename.
+	"dockerFile": "../Dockerfile"
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Uncomment the next line to run commands after the container is created - for example installing curl.
+	// "postCreateCommand": "apt-get update && apt-get install -y curl",
+
+	// Uncomment when using a ptrace-based debugger like C++, Go, and Rust
+	// "runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined" ],
+
+	// Uncomment to use the Docker CLI from inside the container. See https://aka.ms/vscode-remote/samples/docker-from-docker.
+	// "mounts": [ "source=/var/run/docker.sock,target=/var/run/docker.sock,type=bind" ],
+
+	// Uncomment to connect as a non-root user if you've added one. See https://aka.ms/vscode-remote/containers/non-root.
+	// "remoteUser": "vscode"
+}

.vscode/launch.json

@@ -0,0 +1,48 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Short Query (Spotify)",
+            "skipFiles": [
+                "<node_internals>/**"
+            ],
+            "program": "${workspaceFolder}/cli.js",
+            "args": [ "spotify:artist:6M2wZ9GZgrQXHCFfjv46we" ]
+        },
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Short Query (MusicBrainz)",
+            "skipFiles": [
+                "<node_internals>/**"
+            ],
+            "program": "${workspaceFolder}/cli.js",
+            "args": [ "mb:release:be580d1c-181f-4ad9-9bfd-172c3960979e" ]
+        },
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Short Query (Deezer)",
+            "skipFiles": [
+                "<node_internals>/**"
+            ],
+            "program": "${workspaceFolder}/cli.js",
+            "args": [ "deezer:artist:182" ]
+        },
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "URI Query (Apple Music)",
+            "skipFiles": [
+                "<node_internals>/**"
+            ],
+            "program": "${workspaceFolder}/cli.js",
+            "args": [ "https://music.apple.com/us/artist/red-hot-chili-peppers/889780" ]
+        }
+    ]
+}

cli.js

@@ -1546,9 +1546,9 @@ async function init(packageJson, queries, options) {
     const contentType = service.identifyType(query);
     queryLogger.log(`Detected [${contentType}]`);
     let queryStats = await pFlatten(
-      (contentType === 'track'
+      (contentType === 'track' || contentType === 'recording'
         ? trackHandler
-        : contentType === 'album'
+        : contentType === 'album' || contentType === 'release-group' || contentType === 'release'
         ? albumHandler
         : contentType === 'artist'
         ? artistHandler

src/freyr.js

@@ -6,9 +6,10 @@ import {YouTube, YouTubeMusic} from './services/youtube.js';
 import Deezer from './services/deezer.js';
 import Spotify from './services/spotify.js';
 import AppleMusic from './services/apple_music.js';
+import MusicBrainz from './services/musicbrainz.js';
 
 export default class FreyrCore {
-  static ENGINES = [Deezer, Spotify, AppleMusic, YouTube, YouTubeMusic];
+  static ENGINES = [Deezer, Spotify, AppleMusic, YouTube, YouTubeMusic, MusicBrainz];
 
   static getBitrates() {
     return Array.from(