Add read mappings from JSONGraph

src/composables/ReadJsonGraph.ts

@@ -9,7 +9,7 @@ import type { GraphStyleProperties } from "../types/GraphStyleProperties";
  * @param jsonGraph JSONGraph object stringify
  * @returns {Network, GraphStyleProperties} Return network object and graphStyleProperties object
  */
-export function readJsonGraph(jsonGraph: string): { network: Network, networkStyle: GraphStyleProperties } {
+export function readJsonGraph(jsonGraph: string): { network: Network, networkStyle: GraphStyleProperties, mappings: {[key: string]: any} } {
 	const jsonObject = JSON.parse(jsonGraph);
 
 	const network: Network = {
@@ -22,6 +22,8 @@ export function readJsonGraph(jsonGraph: string): { network: Network, networkSty
 		nodeStyles: {}
 	}
 
+	let mappings = {};
+
 	if (!jsonObject.graph) {
 		throw new Error("graph attribute lacking in json graph format")
 	}
@@ -163,7 +165,11 @@ export function readJsonGraph(jsonGraph: string): { network: Network, networkSty
 		}
 	}
 
-	return { network, networkStyle };
+	if (jsonObject.graph.metadata.mappings) {
+		mappings = jsonObject.graph.metadata.mappings;
+	}
+	console.log(mappings);
+	return { network, networkStyle, mappings };
 
 }