SYNC: Merge pull request #3 from dbgate/feature/zip

packages/api/src/utility/listZipEntries.js

@@ -0,0 +1,41 @@
+const yauzl = require('yauzl');
+const path = require('path');
+
+/**
+ * Lists the files in a ZIP archive using yauzl,
+ * returning an array of { fileName, uncompressedSize } objects.
+ *
+ * @param {string} zipPath - The path to the ZIP file.
+ * @returns {Promise<Array<{fileName: string, uncompressedSize: number}>>}
+ */
+function listZipEntries(zipPath) {
+  return new Promise((resolve, reject) => {
+    yauzl.open(zipPath, { lazyEntries: true }, (err, zipfile) => {
+      if (err) return reject(err);
+
+      const entries = [];
+
+      // Start reading entries
+      zipfile.readEntry();
+
+      // Handle each entry
+      zipfile.on('entry', entry => {
+        entries.push({
+          fileName: entry.fileName,
+          uncompressedSize: entry.uncompressedSize,
+        });
+
+        // Move on to the next entry (we’re only listing, not reading file data)
+        zipfile.readEntry();
+      });
+
+      // Finished reading all entries
+      zipfile.on('end', () => resolve(entries));
+
+      // Handle errors
+      zipfile.on('error', err => reject(err));
+    });
+  });
+}
+
+module.exports = listZipEntries;