Adds asData helper function.

data-extraction/src/js/helpers/asData.ts

@@ -0,0 +1,6 @@
+import { KnownVisualizationData } from "../../CommonDataTypes";
+import { VisualizationData } from "../../DataExtractionResult";
+
+export function asData(data: KnownVisualizationData): VisualizationData {
+	return data;
+}

data-extraction/src/js/helpers/index.ts

@@ -3,3 +3,4 @@ export * from "./createGraphFromPointers";
 export * from "./tryEval";
 export * from "./markedGrid";
 export * from "./cache";
+export * from "./asData";