feat: add possibility to configure retrying of requests

src/api.ts

@@ -61,14 +61,33 @@ export interface ApiRequestOptions {
    * HTTP verb to use for the request
    */
   method?: 'DELETE' | 'GET' | 'POST' | 'PUT';
+
+  /**
+   * Whether or not to retry on any error
+   */
+  retryOnAnyError?: boolean;
+
+  /**
+   * Amount of tries
+   */
+  tries?: number;
 }
 
 /**
  * GitLab API get issues options
  */
 export interface ApiGetIssuesOptions {
+  /**
+   * Filter issues by group ID
+   */
   groupId?: number;
+  /**
+   * Filter issues by milestone
+   */
   milestone?: 'Backlog' | 'No Milestone';
+  /**
+   * Filter issues by state
+   */
   state?: IssueState;
 }
 
@@ -446,8 +465,11 @@ export class Api {
     // remove leading slash
     url = url.replace(/^\/+/g, '');
 
-    const options: ApiRequestOptions = {
+    const options: Required<ApiRequestOptions> = {
+      data: undefined,
       method: 'GET',
+      retryOnAnyError: false,
+      tries: 5,
       ..._options,
     };
 
@@ -472,7 +494,7 @@ export class Api {
       let body;
       let tries = 0;
 
-      while (typeof body === 'undefined' && tries++ < 5) {
+      while (typeof body === 'undefined' && tries++ < options.tries) {
         try {
           const requestUrl = url + concatenator + 'page=' + currentPage + '&per_page=100';
 
@@ -493,7 +515,7 @@ export class Api {
             },
           });
         } catch (error) {
-          if (error.error === 'GitLab is not responding') {
+          if (error.error.includes('not responding') || options.retryOnAnyError) {
             const seconds = 5;
 
             logger.warn(`GitLab was not responding. Waiting ${seconds}s and retrying...`);
@@ -511,7 +533,7 @@ export class Api {
         return;
       }
 
-      if (Array.isArray(apiResult) && currentPage > 1) {
+      if (typeof apiResult !== 'undefined' && Array.isArray(apiResult) && currentPage > 1) {
         // add items to previously fetched items
         apiResult = apiResult.concat(body);
       } else {