diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/JavascriptFlowtypedClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/JavascriptFlowtypedClientCodegen.java
index ad703f627dbb..52e665b3f888 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/JavascriptFlowtypedClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/JavascriptFlowtypedClientCodegen.java
@@ -115,7 +115,9 @@ public void processOpts() {
         supportingFiles.add(new SupportingFile("index.mustache", "src", "index.js"));
         supportingFiles.add(new SupportingFile("api.mustache", "src", "api.js"));
         supportingFiles.add(new SupportingFile("configuration.mustache", "src", "configuration.js"));
-
+        supportingFiles.add(new SupportingFile("DefaultHttpClient.mustache", "src", "DefaultHttpClient.js"));
+        supportingFiles.add(new SupportingFile("HttpRequestOptions.mustache", "src", "HttpRequestOptions.js"));
+        supportingFiles.add(new SupportingFile("abstractHttpClient.mustache", "src", "abstractHttpClient.js"));
         supportingFiles.add(new SupportingFile("gitignore", "", ".gitignore"));
 
         addNpmPackageGeneration();
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PureCloudJavaScriptClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PureCloudJavaScriptClientCodegen.java
index 5e3e5ee5c8cf..614b13ad762d 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PureCloudJavaScriptClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PureCloudJavaScriptClientCodegen.java
@@ -281,6 +281,9 @@ public void preprocessOpenAPI(OpenAPI openAPI) {
         supportingFiles.add(new SupportingFile("package.mustache", "", "package.json"));
         supportingFiles.add(new SupportingFile("index.mustache", createPath(sourceFolder, invokerPackage), "index.js"));
         supportingFiles.add(new SupportingFile("ApiClient.mustache", createPath(sourceFolder, invokerPackage), "ApiClient.js"));
+        supportingFiles.add(new SupportingFile("DefaultHttpClient.mustache", createPath(sourceFolder, invokerPackage), "DefaultHttpClient.js"));
+        supportingFiles.add(new SupportingFile("abstractHttpClient.mustache", createPath(sourceFolder, invokerPackage), "abstractHttpClient.js"));
+        supportingFiles.add(new SupportingFile("HttpRequestOptions.mustache", createPath(sourceFolder, invokerPackage), "HttpRequestOptions.js"));
         supportingFiles.add(new SupportingFile("configuration.mustache", createPath(sourceFolder, invokerPackage), "configuration.js"));
         supportingFiles.add(new SupportingFile("logger.mustache", createPath(sourceFolder, invokerPackage), "logger.js"));
         supportingFiles.add(new SupportingFile("README.mustache", "", "README.md"));
@@ -896,4 +899,4 @@ public static String getTypeScriptResponseType(String dataType) {
         return typeScriptType;
     }
 
-}
\ No newline at end of file
+}