From 886e1d1d2bd3a62314ef7d40c5e14f7b09b09f7c Mon Sep 17 00:00:00 2001
From: David Ball <david@daball.me>
Date: Tue, 20 Aug 2024 04:13:13 -0400
Subject: [PATCH] fix: Problems in SignHelper were preventing the API client
 from working because of exports variable that wasn't adapted to TypeScript
 earlier.

---
 package-lock.json       |  4 ++--
 package.json            |  2 +-
 src/auth/SignHelper.mts | 11 +++++------
 3 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index c56b335..a94360c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "amazon-pa-api5-node-ts",
-  "version": "2.2.7",
+  "version": "2.3.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "amazon-pa-api5-node-ts",
-      "version": "2.2.7",
+      "version": "2.3.0",
       "license": "Apache-2.0",
       "dependencies": {
         "superagent": "^9.0.0"
diff --git a/package.json b/package.json
index b3f399b..8c9022f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "amazon-pa-api5-node-ts",
-  "version": "2.2.7",
+  "version": "2.3.0",
   "description": "ProductAdvertisingAPI 5.0 NodeJS SDK rewritten in TypeScript.",
   "license": "Apache-2.0",
   "main": "dist/src/index.mjs",
diff --git a/src/auth/SignHelper.mts b/src/auth/SignHelper.mts
index 72bf6bd..13a3780 100644
--- a/src/auth/SignHelper.mts
+++ b/src/auth/SignHelper.mts
@@ -48,18 +48,17 @@ const hexEncodedHash = (data: BinaryLike | string) => {
   return hashSHA256.digest(HEX).toString();
 }
 
-
 export const createAuthorizationHeaders = (timestamp: number | string | Date, accessKey: string, region: string, service: string, signedHeaders: string, signature: string) =>
-  `${AWS4_HMAC_SHA256} Credential=${accessKey}/${exports.createCredentialScope(timestamp, region, service)}, SignedHeaders=${signedHeaders}, Signature=${signature}`;
+  `${AWS4_HMAC_SHA256} Credential=${accessKey}/${createCredentialScope(timestamp, region, service)}, SignedHeaders=${signedHeaders}, Signature=${signature}`;
 
 export const createCanonicalRequest = (method: string, pathname: string, query: Record<string, string | number | boolean>, headers: Record<string, any>, payload: any) => {
   var payloadJson = JSON.stringify(payload);
   return [
     method.toUpperCase(),
     pathname,
-    exports.createCanonicalQueryString(query),
-    exports.createCanonicalHeaders(headers),
-    exports.createSignedHeaders(headers),
+    createCanonicalQueryString(query),
+    createCanonicalHeaders(headers),
+    createSignedHeaders(headers),
     hexEncodedHash(String(payloadJson))
   ].join('\n');
 };
@@ -96,7 +95,7 @@ export const createStringToSign = (time: number | string | Date, region: string,
   [
     AWS4_HMAC_SHA256,
     toTime(time),
-    exports.createCredentialScope(time, region, service),
+    createCredentialScope(time, region, service),
     hexEncodedHash(request)
   ].join('\n');