Archipelago — open-source initial import

neode-ui/src/utils/version.ts

@@ -0,0 +1,22 @@
+/**
+ * Format a version string for display with exactly one leading "v".
+ *
+ * Version strings reach the UI from several sources — manifests (bare like
+ * "1.7.96"), node/federation state and the update RPC (sometimes already
+ * "v1.7.96"). Templates used to hard-code a `v` prefix (`v{{ version }}`),
+ * which produced "vv1.7.96" whenever the source already carried a "v". This
+ * normalizes both shapes to a single "v".
+ */
+export function displayVersion(v?: string | null): string {
+  if (v === null || v === undefined) return ''
+  const bare = String(v).trim().replace(/^v+/i, '')
+  return bare ? `v${bare}` : ''
+}
+
+// Exposed globally as `$ver` (see main.ts) so templates can normalize version
+// labels without a per-file import.
+declare module 'vue' {
+  interface ComponentCustomProperties {
+    $ver: (v?: string | null) => string
+  }
+}