Decode image script

scripts/decode-image.js

@@ -0,0 +1,25 @@
+/**
+ * @license
+ * Copyright (c) 2022 Daniel Imms <http://www.growingwiththeweb.com>
+ * Released under MIT license. See LICENSE in the project root for details.
+ */
+
+const decoder = require('..');
+const fs = require('fs/promises');
+const { extname } = require('path');
+
+async function decode(file) {
+  if (extname(file) !== '.tga') {
+    throw new Error('File must end with .tga');
+  }
+  const originalData = await fs.readFile(file);
+  const decoded = await decoder.decodeTga(originalData);
+  console.log(`Decoded "${file}":`, decoded);
+}
+
+if (process.argv.length < 3) {
+  console.error('Provide a file as the first argument');
+  process.exit(1);
+}
+
+decode(process.argv[2]);