From bbb8e12bacf4a4ef445667cb71505cd5224a404c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Jaenisch?= <andre.jaenisch@posteo.de>
Date: Wed, 24 Oct 2018 00:29:26 +0200
Subject: [PATCH] Create logger module. Refs #332
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Signed-off-by: André Jaenisch <andre.jaenisch@posteo.de>
---
 src/logger.js | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 src/logger.js

diff --git a/src/logger.js b/src/logger.js
new file mode 100644
index 00000000000..69491b2499e
--- /dev/null
+++ b/src/logger.js
@@ -0,0 +1,21 @@
+"use strict";
+/**
+ * @module logger
+ */
+const log = require("loglevel");
+
+// This is to demonstrate, that you can use any namespace you want.
+// Namespaces allow you to turn on/off the logging for specific parts of the
+// application.
+// An idea would be to control this via an environment variable (on Node.js).
+// See https://www.npmjs.com/package/debug to see how this could be implemented
+// Part of #332 is introducing a logging library in the first place.
+const DEFAULT_NAME_SPACE = "matrix";
+const logger = log.getLogger(DEFAULT_NAME_SPACE);
+log.setDefaultLevel(log.levels.WARN);
+
+/**
+ * Drop-in replacement for <code>console</code> using {@link https://www.npmjs.com/package/loglevel|loglevel}.
+ * Can be tailored down to specific use cases if needed.
+*/
+module.exports.logger = logger;