add Logger.prettyLoggerDefault, to prevent duplicate pretty loggers (#…

…3552)

.changeset/honest-cups-wash.md

@@ -0,0 +1,6 @@
+---
+"effect": minor
+"@effect/platform": patch
+---
+
+add Logger.prettyLoggerDefault, to prevent duplicate pretty loggers

packages/effect/src/Logger.ts

@@ -475,6 +475,14 @@ export const prettyLogger: (
   }
 ) => Logger<unknown, void> = internal.prettyLogger
 
+/**
+ * A default version of the pretty logger.
+ *
+ * @since 3.8.0
+ * @category constructors
+ */
+export const prettyLoggerDefault: Logger<unknown, void> = internal.prettyLoggerDefault
+
 /**
  * The structured logger provides detailed log outputs, structured in a way that
  * retains comprehensive traceability of the events, suitable for deeper

packages/effect/src/internal/fiberRuntime.ts

@@ -1426,7 +1426,7 @@ export const logFmtLogger: Logger<unknown, void> = globalValue(
 /** @internal */
 export const prettyLogger: Logger<unknown, void> = globalValue(
   Symbol.for("effect/Logger/prettyLogger"),
-  () => internalLogger.prettyLogger()
+  () => internalLogger.prettyLoggerDefault
 )
 
 /** @internal */

packages/effect/src/internal/logger.ts

@@ -3,6 +3,7 @@ import * as Context from "../Context.js"
 import * as FiberRefs from "../FiberRefs.js"
 import type { LazyArg } from "../Function.js"
 import { constVoid, dual, pipe } from "../Function.js"
+import { globalValue } from "../GlobalValue.js"
 import * as HashMap from "../HashMap.js"
 import * as Inspectable from "../Inspectable.js"
 import * as List from "../List.js"
@@ -570,3 +571,6 @@ const prettyLoggerBrowser = (options: {
     }
   )
 }
+
+/** @internal */
+export const prettyLoggerDefault = globalValue("effect/Logger/prettyLoggerDefault", () => prettyLogger())

packages/platform/src/Runtime.ts

@@ -63,7 +63,7 @@ const addPrettyLogger = (refs: FiberRefs.FiberRefs, fiberId: FiberId.Runtime) =>
     fiberRef: FiberRef.currentLoggers,
     value: loggers.pipe(
       HashSet.remove(Logger.defaultLogger),
-      HashSet.add(Logger.prettyLogger())
+      HashSet.add(Logger.prettyLoggerDefault)
     )
   })
 }