From 4e3f2c7615a5dd07b17fdf95cc0c23ca9d8e8b60 Mon Sep 17 00:00:00 2001
From: Tom Shortall <tomshortall@gmail.com>
Date: Fri, 17 Apr 2020 18:03:29 +0100
Subject: [PATCH] more informative error message

---
 .gitignore      |  1 +
 src/Strategy.ts | 12 +++++++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 9aa494e..59bf0e0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ node_modules
 dist
 .npmrc
 *.tgz
+.idea/
diff --git a/src/Strategy.ts b/src/Strategy.ts
index 1f951e6..d12c3b9 100644
--- a/src/Strategy.ts
+++ b/src/Strategy.ts
@@ -80,7 +80,17 @@ export class Strategy<TUser = object, TInfo = object> extends OAuth2Strategy {
         this._oauth2.useAuthorizationHeaderforGET(true);
         this._oauth2.get("https://www.patreon.com/api/oauth2/v2/identity?fields[user]=" + this.fields.join(","), accessToken, (error, result) => {
 
-            if (error) return done(new InternalOAuthError("Failed to fetch user profile", error));
+            if (error) {
+                let errorStr;
+                try {
+                    const errors = JSON.parse(error.data);
+                    errorStr = '\n' + errors.errors.map((x: any) => `${x.code_name}: ${x.detail}`).join('\n  ');
+                }
+                catch (parseError) {
+                    errorStr = '';
+                }
+                return done(new InternalOAuthError(`Failed to fetch user profile${errorStr}`, error));
+            }
 
             let json: UserResponse;