ctucx.git: trainsearch

load hafas-client on demand

diff --git a/src/hafas_client.js b/src/hafas_client.js
@@ -1,11 +1,9 @@
 const clients = {};
+let createHafasClient;
 export let client;
 
-import { createClient as createHafasClient } from "hafas-client";
 import { createClient as createVendoClient } from "db-vendo-client";
-
 import { profile as dbnavProfile } from "db-vendo-client/p/dbnav";
-import { profile as nahshProfile } from "hafas-client/p/nahsh";
 
 export const getHafasClient = async profileName => {
 	if (!clients[profileName]) {

@@ -20,11 +18,13 @@ export const getHafasClient = async profileName => {
 				profile = bvgProfile;
 				break;
 			case "nahsh":
+				const { profile: nahshProfile } = await import('hafas-client/p/nahsh');
 				profile = nahshProfile;
 				break;
 			default:
 				throw "Unknown profile name: " + profileName;
 		}
+		if (!createHafasClient) createHafasClient = (await import("hafas-client")).createClient;
 		clients[profileName] = createHafasClient(profile, "trainsearch");
 	}