fix: error handling for missing schema

Author: oneirocosm

frontend/app/view/codeeditor/schemaendpoints.ts

@@ -14,10 +14,16 @@ const allFilepaths: Map<string, Array<string>> = new Map();
 allFilepaths.set(`${getWebServerEndpoint()}/schema/settings.json`, [`${getApi().getConfigDir()}/settings.json`]);
 
 async function getSchemaEndpointInfo(endpoint: string): Promise<EndpointInfo> {
-    const data = await fetch(endpoint);
-    const fullSchema: object = await data.json();
-    const schemaRef = fullSchema?.["$ref"];
-    const schema = fullSchema?.[schemaRef];
+    let schema: Object;
+    try {
+        const data = await fetch(endpoint);
+        const fullSchema: object = await data.json();
+        const schemaRef: string = fullSchema?.["$ref"];
+        schema = fullSchema?.[schemaRef];
+    } catch (e) {
+        console.log("cannot find schema:", e);
+        schema = {};
+    }
     const fileMatch = allFilepaths.get(endpoint) ?? [];
 
     return {