From ad81c13ab2b863be46a98803e48754b0e2b3746b Mon Sep 17 00:00:00 2001
From: AJ Ancheta <7781450+ancheetah@users.noreply.github.com>
Date: Wed, 11 Feb 2026 10:20:19 -0500
Subject: [PATCH] fix(logger): fix custom logger

---
 .changeset/happy-actors-learn.md                      |  5 +++++
 packages/sdk-effects/logger/src/lib/logger.effects.ts | 10 ++++++----
 2 files changed, 11 insertions(+), 4 deletions(-)
 create mode 100644 .changeset/happy-actors-learn.md

diff --git a/.changeset/happy-actors-learn.md b/.changeset/happy-actors-learn.md
new file mode 100644
index 0000000000..d5963aa9d8
--- /dev/null
+++ b/.changeset/happy-actors-learn.md
@@ -0,0 +1,5 @@
+---
+'@forgerock/sdk-logger': patch
+---
+
+Fixes double logging when using custom logger. Custom logger should override default console logs.
diff --git a/packages/sdk-effects/logger/src/lib/logger.effects.ts b/packages/sdk-effects/logger/src/lib/logger.effects.ts
index fc386133e5..be365c4221 100644
--- a/packages/sdk-effects/logger/src/lib/logger.effects.ts
+++ b/packages/sdk-effects/logger/src/lib/logger.effects.ts
@@ -13,10 +13,12 @@ export function logger(config: { level: LogLevel; custom?: CustomLogger }) {
 
   // Implement log functions
   const logFunctions = {
-    error: (...args: LogMessage[]) => custom?.error(...args) || console.error(...args),
-    warn: (...args: LogMessage[]) => custom?.warn(...args) || console.warn(...args),
-    info: (...args: LogMessage[]) => custom?.info(...args) || console.info(...args),
-    debug: (...args: LogMessage[]) => custom?.debug(...args) || console.debug(...args),
+    error: (...args: LogMessage[]) =>
+      custom?.error ? custom.error(...args) : console.error(...args),
+    warn: (...args: LogMessage[]) => (custom?.warn ? custom.warn(...args) : console.warn(...args)),
+    info: (...args: LogMessage[]) => (custom?.info ? custom.info(...args) : console.info(...args)),
+    debug: (...args: LogMessage[]) =>
+      custom?.debug ? custom.debug(...args) : console.debug(...args),
   };
 
   // Implement level inclusion