fix some variable scoping, security client instantiation, and error returns

Author: anuraagnalluri

package.json

@@ -4,7 +4,8 @@
   },
   "dependencies": {
     "@types/qs": "^6.9.7",
-    "axios": "^1.1.2",
+    "axios": "^1.1.3",
+    "form-data": "^4.0.0",
     "reflect-metadata": "^0.1.13"
   },
   "devDependencies": {

src/internal/utils/queryparams.ts

@@ -7,6 +7,7 @@ export const qpMetadataKey = "queryParam";
 export function GetQueryParamSerializer(
   queryParams: any
 ): ParamsSerializerOptions | undefined {
+  if (queryParams == null) return undefined;
   const fieldNames: string[] = Object.getOwnPropertyNames(queryParams);
   fieldNames.forEach((fname) => {
     const qpAnn: string = Reflect.getMetadata(

src/internal/utils/security.ts

@@ -49,6 +49,7 @@ function ParseSecurityDecorator(securityAnn: string): SecurityDecorator {
 }
 
 function ParseSecurityClass(serverURL: string, security: any): AxiosInstance {
+  let client: AxiosInstance = axios.create({ baseURL: serverURL });
   const fieldNames: string[] = Object.getOwnPropertyNames(security);
   fieldNames.forEach((fname) => {
     const securityAnn: string = Reflect.getMetadata(
@@ -61,13 +62,17 @@ function ParseSecurityClass(serverURL: string, security: any): AxiosInstance {
       ParseSecurityDecorator(securityAnn);
     if (securityDecorator == null) return;
     if (securityDecorator.Option) {
-      return ParseSecurityOption(serverURL, security[fname]);
+      client = ParseSecurityOption(serverURL, security[fname]);
     } else if (securityDecorator.Scheme) {
-      return ParseSecurityScheme(serverURL, securityDecorator, security[fname]);
+      client = ParseSecurityScheme(
+        serverURL,
+        securityDecorator,
+        security[fname]
+      );
     }
   });
 
-  return axios.create({ baseURL: serverURL });
+  return client;
 }
 
 function ParseSecurityOption(

src/sdk/models/operations/getapis.ts

@@ -23,9 +23,9 @@ export class GetApisQueryParams {
 }
 
 export class GetApisRequest {
-  QueryParams: GetApisQueryParams;
+  QueryParams?: GetApisQueryParams;
 
-  constructor(QueryParams: GetApisQueryParams) {
+  constructor(QueryParams?: GetApisQueryParams) {
     this.QueryParams = QueryParams;
   }
 }

src/sdk/models/shared/filters.ts

@@ -1,4 +1,5 @@
 import { Metadata } from "../../../internal/utils/utils";
+import { Filter } from "./filter";
 
 export class Filters {
   @Metadata("json, name=filters")