feat: Adding the option to conditionally camelize response body

Author: jdalrymple

README.md

@@ -183,6 +183,7 @@ import { Projects } from 'gitlab';
 const service = new Projects({
   host: 'http://example.com', // Defaults to https://gitlab.com
   token: 'abcdefghij123456', // Can be created in your profile.
+  camelize = false,         //Response Key Camelize. Camelizes all response body keys. Optional, Default: false
 });
 ```
 

src/infrastructure/BaseService.ts

@@ -6,7 +6,7 @@ interface BaseModelOptions {
   public readonly url: string;
   token?: string;
   oauthToken?: string;
-  useXMLHttpRequest?: boolean;
+  public readonly camelize: boolean;
   version?: string;
   sudo?: string | number;
   rejectUnauthorized?: boolean;
@@ -29,6 +29,7 @@ class BaseModel {
     host = 'https://gitlab.com',
     url = '',
     version = 'v4',
+    camelize = false,
     rejectUnauthorized = true,
   }: BaseModelContructorOptions) {
   }: BaseServiceOptions) {
@@ -38,6 +39,7 @@ class BaseModel {
       ? XMLHttpRequester : (Request as temporaryAny as XhrStaticPromisified);
     this.useXMLHttpRequest = useXMLHttpRequest;
     this.rejectUnauthorized = rejectUnauthorized;
+    this.camelize = camelize;
 
     // Handle auth tokens
     if (oauthToken) this.headers.authorization = `Bearer ${oauthToken}`;

src/infrastructure/RequestHelper.ts

@@ -1,5 +1,5 @@
 import Humps from 'humps';
-import LinkParser from 'parse-link-header';
+import { camelizeKeys } from 'humps';
 import QS from 'qs';
 import URLJoin from 'url-join';
 import StreamableRequest from 'request';
@@ -46,8 +46,8 @@ function defaultRequest(
 
   if (body) params.body = Humps.decamelizeKeys(body);
 
-  if (qs) {
-    if (useXMLHttpRequest) {
+  // Camelize response body if specified
+  if (service.camelize) body = camelizeKeys(body);
       // The xhr package doesn't have a way of passing in a qs object until v3
       params.url = URLJoin(params.url, `?${QS.stringify(Humps.decamelizeKeys(qs), { arrayFormat: 'brackets' })}`);
     } else {