Contextual Logger - CLS namespace differentiation

logger.js.diff

diff --git a/logger.js b/logger.js
index dbac73a..3aa3418 100644
--- a/logger.js
+++ b/logger.js
@@ -1,9 +1,13 @@
 const pino = require('pino');
 const { createNamespace } = require('cls-hooked');
 
+let counter = 0;
+
 function createLogger(opts, destination) {
   const baseLogger = pino(opts, destination);
-  const cls = createNamespace('@@logger');
+  const cls = createNamespace(`@@logger-${counter}`);
+
+  counter += 1;
 
   return Object.assign(baseLogger, { cls });
 }

logger.test.js.diff

diff --git a/logger.test.js b/logger.test.js
index 7b137e0..45c16ca 100644
--- a/logger.test.js
+++ b/logger.test.js
@@ -35,3 +35,10 @@ test(`Exposes a CLS namespace`, t => {
 
   t.truthy(logger.cls);
 });
+
+test(`2 different loggers don't share the same namespace`, t => {
+  const logger = createLogger();
+  const anotherLogger = createLogger();
+
+  t.notDeepEqual(logger.cls, anotherLogger.cls);
+});