Contextual Logger - Added CLS awareness

logger.js.diff

diff --git a/logger.js b/logger.js
index f78dff6..dbac73a 100644
--- a/logger.js
+++ b/logger.js
@@ -1,7 +1,11 @@
 const pino = require('pino');
+const { createNamespace } = require('cls-hooked');
 
 function createLogger(opts, destination) {
-  return pino(opts, destination);
+  const baseLogger = pino(opts, destination);
+  const cls = createNamespace('@@logger');
+
+  return Object.assign(baseLogger, { cls });
 }
 
 module.exports = createLogger;

logger.tests.js.diff

diff --git a/logger.test.js b/logger.test.js
index a841156..7b137e0 100644
--- a/logger.test.js
+++ b/logger.test.js
@@ -29,3 +29,9 @@ test(`Properly logs message with context object`, async t => {
   t.deepEqual(entry.dummy, context.dummy);
   t.deepEqual(entry.msg, message);
 });
+
+test(`Exposes a CLS namespace`, t => {
+  const logger = createLogger();
+
+  t.truthy(logger.cls);
+});