From 8c28831beeb16317405535bcfd3ce757a0bac6fb Mon Sep 17 00:00:00 2001
From: Teddy Sterne <teddy.sterne@fountainlife.com>
Date: Mon, 16 Dec 2024 15:07:27 -0500
Subject: [PATCH] fix: Remove multiValueQueryStringParameters Logic

---
 src/adapters/helpers/lambdaEvent.ts | 17 ++---------------
 test/lambda-event.test.ts           |  5 +----
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/src/adapters/helpers/lambdaEvent.ts b/src/adapters/helpers/lambdaEvent.ts
index 24e27f7..ccd7dba 100644
--- a/src/adapters/helpers/lambdaEvent.ts
+++ b/src/adapters/helpers/lambdaEvent.ts
@@ -13,20 +13,7 @@ export const lambdaEvent = (config: AlphaOptions, relativeUrl?: string) => {
     'http://fake',
     querystringWithArraySupport,
   );
-  const params: Record<string, any> = Object.assign({}, parts.query, config.params);
-  let multiValueParams: Record<string, any[]> | null = null;
-
-  const hasMultiValueParams = Object.values(params).some((value) => Array.isArray(value));
-
-  if (hasMultiValueParams) {
-    Object.entries(params).forEach(([key, value]) => {
-      multiValueParams = multiValueParams || {};
-      if (Array.isArray(value)) {
-        multiValueParams[key] = value;
-        delete params[key];
-      }
-    });
-  }
+  const params = Object.assign({}, parts.query, config.params);
 
   const httpMethod = (config.method as string).toUpperCase();
   const requestTime = new Date();
@@ -77,7 +64,7 @@ export const lambdaEvent = (config: AlphaOptions, relativeUrl?: string) => {
         userArn: null,
       },
     },
-    multiValueQueryStringParameters: multiValueParams,
+    multiValueQueryStringParameters: null,
   };
 
   if (Buffer.isBuffer(event.body)) {
diff --git a/test/lambda-event.test.ts b/test/lambda-event.test.ts
index bbf9431..dd2e688 100644
--- a/test/lambda-event.test.ts
+++ b/test/lambda-event.test.ts
@@ -31,14 +31,12 @@ test('Can parse URLs with duplicate parameters', () => {
     httpMethod: 'GET',
     path: '/lifeomic/dstu3/Questionnaire',
     queryStringParameters: {
-      pageSize: '25',
-    },
-    multiValueQueryStringParameters: {
       _tag: [
         'http://lifeomic.com/fhir/questionnaire-type|survey-form',
         'http://lifeomic.com/fhir/dataset|0bb18fef-4e2d-4b91-a623-09527265a8b3',
         'http://lifeomic.com/fhir/primary|0343bfcf-4e2d-4b91-a623-095272783bf3',
       ],
+      pageSize: '25',
     },
   }));
   assertRequestId(result);
@@ -57,7 +55,6 @@ test('Can parse URLs without duplicates', () => {
       pageSize: '25',
       test: 'diffValue',
     },
-    multiValueQueryStringParameters: null,
   }));
   assertRequestId(result);
 });