commit 4c35ddd906c6cb40f4cae4f7eee2bbc4bbd61e7a
Author: Henry Jameson <me@hjkos.com>
Date:   Mon Jan 13 01:38:55 2025 +0200

    Initial Implementation

diff --git a/sync.mjs b/sync.mjs
new file mode 100644
index 0000000..c3678b0
--- /dev/null
+++ b/sync.mjs
@@ -0,0 +1,28 @@
+import { readdir, readFile, writeFile, cp } from 'node:fs/promises';
+
+try {
+  const dirs = await readdir('.', { withFileTypes: true });
+  for (const dir of dirs) {
+    if (dir.path.startsWith('.')) continue
+    if (dir.isDirectory()) {
+      let pack
+      try {
+        const packFile = (await readFile(dir.path + '/pack.json')).toString()
+        pack = JSON.parse(packFile).pack
+      } catch {
+        continue
+      }
+      const contents = await readdir(dir.path, { withFileTypes: true });
+      const files = Object.fromEntries(
+        contents
+          .map(x => [x.name.replace(/\.\w+$/, ''), x.name])
+          .filter(([k, v]) => v.match(/\.(a?png|jpe?g|gif)$/) != null)
+      )
+      cp(dir.path + '/pack.json', dir.path + '/pack_backup.json')
+      const output = { files, pack, files_count: Object.keys(files).length }
+      await writeFile(dir.path + '/pack.json', JSON.stringify(output, null, 2))
+    }
+  }
+} catch (err) {
+  console.error(err);
+}