fix: ensure apigateway does not parse a function url

Author: blacha

src/__test__/api.gateway.test.ts

@@ -1,15 +1,17 @@
 import { Context } from 'aws-lambda';
 import o from 'ospec';
 import { LambdaApiGatewayRequest } from '../http/request.api.gateway.js';
-import { AlbExample, ApiGatewayExample, clone, CloudfrontExample } from './examples.js';
+import { AlbExample, ApiGatewayExample, clone, CloudfrontExample, UrlExample } from './examples.js';
 import { fakeLog } from './log.js';
 
 o.spec('ApiGateway', () => {
   const fakeContext = {} as Context;
+
   o('should match the event', () => {
     o(LambdaApiGatewayRequest.is(CloudfrontExample)).equals(false);
     o(LambdaApiGatewayRequest.is(AlbExample)).equals(false);
     o(LambdaApiGatewayRequest.is(ApiGatewayExample)).equals(true);
+    o(LambdaApiGatewayRequest.is(UrlExample)).equals(false);
   });
 
   o('should extract headers', () => {

src/__test__/cloudfront.test.ts

@@ -6,6 +6,7 @@ import { fakeLog } from './log.js';
 
 o.spec('CloudFront', () => {
   const fakeContext = {} as Context;
+
   o('should match the event', () => {
     o(LambdaCloudFrontRequest.is(CloudfrontExample)).equals(true);
     o(LambdaCloudFrontRequest.is(AlbExample)).equals(false);

src/http/request.api.gateway.ts

@@ -10,7 +10,12 @@ export class LambdaApiGatewayRequest<T extends Record<string, string>> extends L
   APIGatewayProxyResultV2
 > {
   static is(x: unknown): x is APIGatewayEvent {
-    return isRecord(x) && isRecord(x['requestContext']) && typeof x['requestContext']['apiId'] === 'string';
+    if (!isRecord(x)) return false;
+    if (!isRecord(x['requestContext'])) return false;
+    if (typeof x['requestContext']['apiId'] !== 'string') return false;
+    if (typeof x['requestContext']['resourceId'] !== 'string') return false;
+    if (typeof x['requestContext']['httpMethod'] !== 'string') return false;
+    return true;
   }
 
   toResponse(res: LambdaHttpResponse): APIGatewayProxyResultV2 {

src/http/request.url.ts

@@ -75,6 +75,9 @@ export class LambdaUrlRequest<T extends Record<string, string>> extends LambdaHt
   }
 
   static is(x: unknown): x is UrlEvent {
-    return isRecord(x) && isRecord(x['requestContext']) && isRecord(x['requestContext']['http']);
+    if (!isRecord(x)) return false;
+    if (!isRecord(x['requestContext'])) return false;
+    if (!isRecord(x['requestContext']['http'])) return false;
+    return true;
   }
 }