Add package-upgrade notice and --version

index.js

@@ -5,12 +5,18 @@ import { parse } from "./src/parser.js";
 import { generate } from "./src/cue.js";
 import minimist from "minimist";
 import exit from "process";
+import updateNotifier from "update-notifier";
+import pkg from "./src/package.js";
+
+updateNotifier({ pkg }).notify();
 
 let argv = minimist(process.argv.slice(2), {
   string: "audio-file",
 });
 
-if (argv._.length < 1 || argv.help) {
+if (argv.version) {
+  console.log(pkg.version);
+} else if (argv._.length < 1 || argv.help) {
   console.log(`Usage
     $ youtube-cue [--audio-file audio.m4a] <youtube_url> [output_file]
 
@@ -32,6 +38,8 @@ if (argv._.length < 1 || argv.help) {
     The above 2 are only needed to force behaviour in very specific edge cases, they should
     not be required for most files.
 
+    --version Print version
+
   Examples
     $ youtube-cue --audio-file audio.m4a "https://www.youtube.com/watch?v=THzUassmQwE"
       "T A Y L O R  S W I F T – Folklore [Full album].cue" saved

package.json

@@ -18,6 +18,7 @@
     "console-log-level": "^1.4.1",
     "get-artist-title": "^1.3.1",
     "minimist": "^1.2.5",
+    "update-notifier": "^5.1.0",
     "ytdl-core": "^4.8.2"
   },
   "repository": {

src/package.js

@@ -0,0 +1,5 @@
+import { createRequire } from "module";
+const require = createRequire(import.meta.url);
+const data = require("../package.json");
+
+export default data;