From a96241e788e56acedece9125d48d731f4628f3ba Mon Sep 17 00:00:00 2001
From: Patrik Oldsberg <poldsberg@gmail.com>
Date: Sat, 6 Mar 2021 23:52:46 +0100
Subject: [PATCH] core-api: add is*RouteRef helpers

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>
---
 packages/core-api/src/routing/RouteRef.ts | 30 +++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/packages/core-api/src/routing/RouteRef.ts b/packages/core-api/src/routing/RouteRef.ts
index 4a28301173..6eae4f48c0 100644
--- a/packages/core-api/src/routing/RouteRef.ts
+++ b/packages/core-api/src/routing/RouteRef.ts
@@ -217,3 +217,33 @@ export function createExternalRouteRef<
     Boolean(options.optional) as Optional,
   );
 }
+
+export function isRouteRef<Params extends AnyParams>(
+  routeRef:
+    | RouteRef<Params>
+    | SubRouteRef<Params>
+    | ExternalRouteRef<Params, any>,
+): routeRef is RouteRef<Params> {
+  return routeRef[routeRefType] === 'absolute';
+}
+
+export function isSubRouteRef<Params extends AnyParams>(
+  routeRef:
+    | RouteRef<Params>
+    | SubRouteRef<Params>
+    | ExternalRouteRef<Params, any>,
+): routeRef is SubRouteRef<Params> {
+  return routeRef[routeRefType] === 'sub';
+}
+
+export function isExternalRouteRef<
+  Params extends AnyParams,
+  Optional extends boolean
+>(
+  routeRef:
+    | RouteRef<Params>
+    | SubRouteRef<Params>
+    | ExternalRouteRef<Params, Optional>,
+): routeRef is ExternalRouteRef<Params, Optional> {
+  return routeRef[routeRefType] === 'external';
+}