1.0.38

src/lib/server/backups/browse-core.ts

@@ -0,0 +1,36 @@
+/**
+ * backups/browse-core.ts — pure parsing of `restic ls --json` output for the
+ * snapshot browser. No docker, no DB, so it is unit-testable directly.
+ */
+
+/** Normalize a path for self-comparison: collapse repeated slashes at the ends,
+ * always leading-slash, no trailing slash (root stays "/"). */
+function normalizePath(p: string): string {
+	const trimmed = p.replace(/^\/+|\/+$/g, '');
+	return trimmed ? '/' + trimmed : '/';
+}
+
+/**
+ * Parse `restic ls --json <snapshot> <path>` stdout into the directory's CHILD
+ * nodes.
+ *
+ * restic emits one JSON object per line: a `snapshot` header, then a `node` for
+ * the queried directory ITSELF, then a `node` for each descendant. If the
+ * self-node isn't dropped, the browser renders a phantom child named after the
+ * directory (e.g. an empty `volumes/` inside `/volumes/`, `bt-vol/` inside
+ * `/volumes/bt-vol/`). Keep only nodes whose path is NOT the queried path.
+ */
+export function parseSnapshotLsEntries(stdout: string, queriedPath: string): any[] {
+	const queried = normalizePath(queriedPath);
+	const entries: any[] = [];
+	for (const line of stdout.split('\n')) {
+		const t = line.trim();
+		if (!t) continue;
+		let e: any;
+		try { e = JSON.parse(t); } catch { continue; }
+		if (e?.struct_type !== 'node') continue;
+		if (normalizePath(e.path ?? '') === queried) continue; // self-node, not a child
+		entries.push(e);
+	}
+	return entries;
+}