Display an information item if examples can't be loaded

Signed-off-by: Seb Julliand <[email protected]>

Author: sebjulliand

src/database/serviceInfo.ts

@@ -1,17 +1,17 @@
-import { SQLExample } from "../views/examples";
 import { JobManager } from "../config";
+import { SQLExample } from "../views/examples";
 import Statement from "./statement";
 
-export async function getServiceInfo(): Promise<SQLExample[]|undefined> {
+export async function getServiceInfo(): Promise<SQLExample[]> {
   // The reason we check for a selection is because we don't want it to prompt the user to start one here
   if (JobManager.getSelection()) {
-    const resultSet = await JobManager.runSQL<{SERVICE_NAME: string, EXAMPLE: string}>(`select SERVICE_NAME, EXAMPLE from qsys2.services_info`);
+    const resultSet = await JobManager.runSQL<{ SERVICE_NAME: string, EXAMPLE: string }>(`select SERVICE_NAME, EXAMPLE from qsys2.services_info`);
 
     return resultSet.map(r => ({
       name: Statement.prettyName(r.SERVICE_NAME),
       content: [r.EXAMPLE],
     }))
   } else {
-    return undefined;
+    return [{ name: "Please start an SQL job to load the examples", content: [""] }];
   }
 }