# HG changeset patch
# User drewp@bigasterisk.com
# Date 2023-05-30 08:01:53
# Node ID 6529768a96a2bdfc4b2b2c7296ed2cae5d1a51a5
# Parent  d1858647682725fc4df311ed7a9520f7d7ed61f8

stronger types

diff --git a/light9/web/SyncedGraph.ts b/light9/web/SyncedGraph.ts
--- a/light9/web/SyncedGraph.ts
+++ b/light9/web/SyncedGraph.ts
@@ -365,10 +365,11 @@ export class SyncedGraph {
     return this.nextNumberedResources(base, 1)[0];
   }
 
-  contextsWithPattern(s: any, p: any, o: any) {
+  contextsWithPattern(s: Quad_Subject | null, p: Quad_Predicate | null, o: Quad_Object | null): N3.NamedNode[] {
     this.autoDeps.askedFor(s, p, o, null);
-    const ctxs = [];
+    const ctxs: N3.NamedNode[] = [];
     for (let q of Array.from(this.graph.getQuads(s, p, o, null))) {
+      if (q.graph.termType != "NamedNode") throw `context was ${q.graph.id}`;
       ctxs.push(q.graph);
     }
     return unique(ctxs);