🤖 Merge PR DefinitelyTyped#72971 feat: Add exported type for CloudFront response records by @samderanova

Author: Sam Der

types/aws-lambda/test/cloudfront-tests.ts

@@ -7,6 +7,7 @@ import type {
     CloudFrontRequestHandler,
     CloudFrontRequestResult,
     CloudFrontResponseEvent,
+    CloudFrontResponseEventRecord,
     CloudFrontResponseHandler,
     CloudFrontResponseResult,
     CloudFrontS3Origin,
@@ -554,6 +555,133 @@ const originResponseEvent: CloudFrontResponseEvent = {
     ],
 };
 
+const originResponseEventRecord: CloudFrontResponseEventRecord = {
+    cf: {
+        config: {
+            distributionDomainName: "d111111abcdef8.cloudfront.net",
+            distributionId: "EDFDVBD6EXAMPLE",
+            eventType: "origin-response",
+            requestId: "4TyzHTaYWb1GX1qTfsHhEqV6HUDd_BzoBZnwfnvQc_1oF26ClkoUSEQ==",
+        },
+        request: {
+            clientIp: "203.0.113.178",
+            headers: {
+                "x-forwarded-for": [
+                    {
+                        key: "X-Forwarded-For",
+                        value: "203.0.113.178",
+                    },
+                ],
+                "user-agent": [
+                    {
+                        key: "User-Agent",
+                        value: "Amazon CloudFront",
+                    },
+                ],
+                via: [
+                    {
+                        key: "Via",
+                        value: "2.0 8f22423015641505b8c857a37450d6c0.cloudfront.net (CloudFront)",
+                    },
+                ],
+                host: [
+                    {
+                        key: "Host",
+                        value: "example.org",
+                    },
+                ],
+                "cache-control": [
+                    {
+                        key: "Cache-Control",
+                        value: "no-cache, cf-no-cache",
+                    },
+                ],
+            },
+            method: "GET",
+            origin: {
+                custom: {
+                    customHeaders: {},
+                    domainName: "example.org",
+                    keepaliveTimeout: 5,
+                    path: "",
+                    port: 443,
+                    protocol: "https",
+                    readTimeout: 30,
+                    sslProtocols: ["TLSv1", "TLSv1.1", "TLSv1.2"],
+                },
+            },
+            querystring: "",
+            uri: "/",
+        },
+        response: {
+            headers: {
+                "access-control-allow-credentials": [
+                    {
+                        key: "Access-Control-Allow-Credentials",
+                        value: "true",
+                    },
+                ],
+                "access-control-allow-origin": [
+                    {
+                        key: "Access-Control-Allow-Origin",
+                        value: "*",
+                    },
+                ],
+                date: [
+                    {
+                        key: "Date",
+                        value: "Mon, 13 Jan 2020 20:12:38 GMT",
+                    },
+                ],
+                "referrer-policy": [
+                    {
+                        key: "Referrer-Policy",
+                        value: "no-referrer-when-downgrade",
+                    },
+                ],
+                server: [
+                    {
+                        key: "Server",
+                        value: "ExampleCustomOriginServer",
+                    },
+                ],
+                "x-content-type-options": [
+                    {
+                        key: "X-Content-Type-Options",
+                        value: "nosniff",
+                    },
+                ],
+                "x-frame-options": [
+                    {
+                        key: "X-Frame-Options",
+                        value: "DENY",
+                    },
+                ],
+                "x-xss-protection": [
+                    {
+                        key: "X-XSS-Protection",
+                        value: "1; mode=block",
+                    },
+                ],
+                "content-type": [
+                    {
+                        key: "Content-Type",
+                        value: "text/html; charset=utf-8",
+                    },
+                ],
+                "content-length": [
+                    {
+                        key: "Content-Length",
+                        value: "9593",
+                    },
+                ],
+            },
+            status: "200",
+            statusDescription: "OK",
+        },
+    },
+};
+
 const cloudFrontFunctionsEvent: CloudFrontFunctionsEvent = {
     version: "1.0",
     context: {

types/aws-lambda/trigger/cloudfront-response.d.ts

@@ -4,18 +4,20 @@ import { Callback, Handler } from "../handler";
 export type CloudFrontResponseHandler = Handler<CloudFrontResponseEvent, CloudFrontResponseResult>;
 export type CloudFrontResponseCallback = Callback<CloudFrontResponseResult>;
 
+export interface CloudFrontResponseEventRecord {
+    cf: CloudFrontEvent & {
+        readonly request: Pick<CloudFrontRequest, Exclude<keyof CloudFrontRequest, "body">>;
+        response: CloudFrontResponse;
+    };
+}
+
 /**
  * CloudFront viewer response or origin response event
  *
  * https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/lambda-event-structure.html#lambda-event-structure-response
  */
 export interface CloudFrontResponseEvent {
-    Records: Array<{
-        cf: CloudFrontEvent & {
-            readonly request: Pick<CloudFrontRequest, Exclude<keyof CloudFrontRequest, "body">>;
-            response: CloudFrontResponse;
-        };
-    }>;
+    Records: CloudFrontResponseEventRecord[];
 }
 
 export type CloudFrontResponseResult = undefined | null | CloudFrontResultResponse;