From 9a81c8eaff514e58995510c53da087711ed73826 Mon Sep 17 00:00:00 2001
From: Brad Reed <brad@bradreed.co.uk>
Date: Mon, 16 Feb 2026 10:01:32 +0000
Subject: [PATCH 1/3] add cause property to graphql error logs

---
 src/GraphQL/Client/Query.js   | 3 +++
 src/GraphQL/Client/Query.purs | 4 ++++
 2 files changed, 7 insertions(+)
 create mode 100644 src/GraphQL/Client/Query.js

diff --git a/src/GraphQL/Client/Query.js b/src/GraphQL/Client/Query.js
new file mode 100644
index 0000000..f5960be
--- /dev/null
+++ b/src/GraphQL/Client/Query.js
@@ -0,0 +1,3 @@
+export function cause(err) {
+  return String(err.cause || "");
+}
diff --git a/src/GraphQL/Client/Query.purs b/src/GraphQL/Client/Query.purs
index a320056..16b24d1 100644
--- a/src/GraphQL/Client/Query.purs
+++ b/src/GraphQL/Client/Query.purs
@@ -43,6 +43,8 @@ import GraphQL.Client.Types (class GqlQuery, class QueryClient, Client(..), GqlR
 import GraphQL.Client.Variables (class VarsTypeChecked, getVarsJson, getVarsTypeNames)
 import Type.Proxy (Proxy(..))
 
+foreign import cause :: Error -> String
+
 -- | Run a graphQL query with a custom decoder and custom options
 queryOptsWithDecoder
   :: forall client directives schema query returns queryOpts mutationOpts sr
@@ -261,6 +263,8 @@ addErrorInfo schema queryName q =
           <> show queryName
           <> ".\nerror: "
           <> message err
+          <> ".\ncause: "
+          <> cause err
           <> ".\nquery: "
           <> queryName
           <> " "

From dcca416c881a3c7ba6a244a22ee625df03b0fd73 Mon Sep 17 00:00:00 2001
From: Brad Reed <brad@bradreed.co.uk>
Date: Tue, 10 Mar 2026 20:54:31 +0800
Subject: [PATCH 2/3] add more info about errors in Query.js

---
 src/GraphQL/Client/Query.js | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/src/GraphQL/Client/Query.js b/src/GraphQL/Client/Query.js
index f5960be..91cc075 100644
--- a/src/GraphQL/Client/Query.js
+++ b/src/GraphQL/Client/Query.js
@@ -1,3 +1,17 @@
-export function cause(err) {
-  return String(err.cause || "");
-}
+const formatError = (err) => {
+  if (!err) return "";
+  const props = ["message", "code", "syscall", "hostname", "address", "port"]
+    .filter((k) => err[k])
+    .map((k) => `${k}: ${err[k]}`);
+  if (err.cause) props.push(`cause: ${formatError(err.cause)}`);
+  return props.join(", ");
+};
+
+export const cause = (err) => {
+  const c = err.cause;
+  if (!c) return "";
+  if (c instanceof AggregateError) {
+    return [c.message, ...Array.from(c.errors, (e, i) => `[${i}] ${formatError(e)}`)].join("\n");
+  }
+  return formatError(c);
+};

From 9e2bf809ce5854f3e264dd45cc6ea24eb846a74c Mon Sep 17 00:00:00 2001
From: Brad Reed <noisyscanner@users.noreply.github.com>
Date: Tue, 10 Mar 2026 20:56:01 +0800
Subject: [PATCH 3/3] Update src/GraphQL/Client/Query.js

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
---
 src/GraphQL/Client/Query.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/GraphQL/Client/Query.js b/src/GraphQL/Client/Query.js
index 91cc075..ae1329d 100644
--- a/src/GraphQL/Client/Query.js
+++ b/src/GraphQL/Client/Query.js
@@ -11,7 +11,10 @@ export const cause = (err) => {
   const c = err.cause;
   if (!c) return "";
   if (c instanceof AggregateError) {
-    return [c.message, ...Array.from(c.errors, (e, i) => `[${i}] ${formatError(e)}`)].join("\n");
+    return [
+      c.message,
+      ...Array.from(c.errors, (e, i) => `[${i}] ${formatError(e)}`),
+    ].join("\n");
   }
   return formatError(c);
 };