chore: apply eslint rules

Author: sleistner

src/handler/APIGatewayProxyHandler.spec.ts

@@ -10,7 +10,7 @@ import {
     BadRequestError,
     UnauthorizedError,
 } from "../error";
-import { ok, created, noContent } from '../response'
+import { ok, created, noContent } from "../response";
 import * as ContextFactory from "../../test/fixtures/ContextFactory";
 import * as APIGatewayProxyEventFactory from "../../test/fixtures/APIGatewayProxyEventFactory";
 
@@ -27,28 +27,28 @@ describe(APIGatewayProxyHandler.name, () => {
 
     it("handles HTTP 200 response correctly", async () => {
         const fn = handler.wrapper(() => {
-            return ok({ result: "HTTP 200" })
+            return ok({ result: "HTTP 200" });
         }) as Handler<APIGatewayProxyEvent, APIGatewayProxyResult>;
 
-        const result = await fn(event, context, () => {});
+        const result = await fn(event, context, () => undefined);
         expect(result).toMatchSnapshot();
     });
 
     it("handles HTTP 201 response correctly", async () => {
         const fn = handler.wrapper(() => {
-            return created({ result: "HTTP 201" })
+            return created({ result: "HTTP 201" });
         }) as Handler<APIGatewayProxyEvent, APIGatewayProxyResult>;
 
-        const result = await fn(event, context, () => {});
+        const result = await fn(event, context, () => undefined);
         expect(result).toMatchSnapshot();
     });
 
     it("handles HTTP 204 response correctly", async () => {
         const fn = handler.wrapper(() => {
-            return noContent()
+            return noContent();
         }) as Handler<APIGatewayProxyEvent, APIGatewayProxyResult>;
 
-        const result = await fn(event, context, () => {});
+        const result = await fn(event, context, () => undefined);
         expect(result).toMatchSnapshot();
     });
 

src/handler/APIGatewayProxyHandler.ts

@@ -80,7 +80,7 @@ export class APIGatewayProxyHandler extends BaseHandler {
     protected formatOutput(result: APIGatewayResponse): APIGatewayProxyResult {
         const { body, ...properties } = result;
         return {
-            body: this.outputFormat.apply(body ?? ""),
+            ...(body && { body: this.outputFormat.apply(body) }),
             ...properties,
         };
     }