fix(striker-ui-api): add types for query field, row, and result

striker-ui-api/src/lib/accessModule.ts

@@ -167,7 +167,7 @@ const subroutine = async <T extends unknown[]>(
   return results;
 };
 
-const query = <T extends (number | null | string)[][]>(script: string) =>
+const query = <T extends QueryResult>(script: string) =>
   access.interact<T>('r', formatSql(script));
 
 const write = async (script: string) => {

striker-ui-api/src/lib/buildQueryResultModifier.ts

@@ -1,12 +1,10 @@
-type QueryField = string;
-
 export const buildQueryResultModifier =
-  <T>(mod: (output: QueryField[][]) => T): QueryResultModifierFunction =>
+  <T>(mod: (output: string[][]) => T): QueryResultModifierFunction =>
   (output) =>
     output instanceof Array ? mod(output) : output;
 
 export const buildQueryResultReducer = <T>(
-  reduce: (previous: T, row: QueryField[]) => T,
+  reduce: (previous: T, row: string[]) => T,
   initialValue: T,
 ) =>
   buildQueryResultModifier<T>((output) =>

striker-ui-api/src/lib/request_handlers/buildGetRequestHandler.ts

@@ -14,7 +14,7 @@ const buildGetRequestHandler =
 
     const buildQueryOptions: BuildQueryOptions = {};
 
-    let result: (number | null | string)[][];
+    let result: unknown;
 
     try {
       const sqlscript: string =
@@ -26,9 +26,7 @@ const buildGetRequestHandler =
     } catch (queryError) {
       stderr(`Failed to execute query; CAUSE: ${queryError}`);
 
-      response.status(500).send();
+      return response.status(500).send();
-
-      return;
     }
 
     stdoutVar(result, `Query stdout pre-hooks (type=[${typeof result}]): `);

striker-ui-api/src/types/BuildQueryFunction.d.ts

@@ -1,5 +1,3 @@
-type QueryResultModifierFunction = (output: unknown) => unknown;
-
 type BuildQueryOptions = {
   afterQueryReturn?: QueryResultModifierFunction;
 };

striker-ui-api/src/types/QueryResult.d.ts

@@ -0,0 +1,5 @@
+type QueryField = number | null | string;
+
+type QueryRow = QueryField[];
+
+type QueryResult = QueryRow[];

striker-ui-api/src/types/QueryResultModifierFunction.d.ts

@@ -0,0 +1 @@
+type QueryResultModifierFunction = (output: unknown) => unknown;