Merge pull request #463 from Gasol/optional-picture-url-in-group-summary

Make pictureUrl optional in GroupSummaryResponse

Author: Yang-33

lib/exceptions.ts

@@ -1,11 +1,17 @@
 export class SignatureValidationFailed extends Error {
-  constructor(message: string, public signature?: string) {
+  constructor(
+    message: string,
+    public signature?: string,
+  ) {
     super(message);
   }
 }
 
 export class JSONParseError extends Error {
-  constructor(message: string, public raw: any) {
+  constructor(
+    message: string,
+    public raw: any,
+  ) {
     super(message);
   }
 }

lib/types.ts

@@ -2839,12 +2839,12 @@ export type VerifyIDToken = {
 /**
  * Response body of get group summary.
  *
- * @see [Get group summary](https://developers.line.biz/ja/reference/messaging-api/#get-group-summary)
+ * @see [Get group summary](https://developers.line.biz/en/reference/messaging-api/#get-group-summary)
  */
 export type GroupSummaryResponse = {
   groupId: string;
   groupName: string;
-  pictureUrl: string;
+  pictureUrl?: string;
 };
 
 /**