1 files changed, 35 insertions, 0 deletions
diff --git a/lib/logging.js b/lib/logging.js
new file mode 100644
index 0000000..bca6eb6
--- /dev/null
+++ b/lib/logging.js
@@ -0,0 +1,35 @@
+const log4js = require('log4js')
+
+module.exports = {
+    configure(verbose) {
+        const categories = {
+            default: {
+                appenders: ['stdout-filter'],
+                level: 'trace'
+            }
+        }
+        const appenders = {
+            stdout: {
+                type: 'stdout',
+                level: 'warn'
+            },
+            'stdout-filter': {
+                type: 'logLevelFilter',
+                appender: 'stdout',
+                level: verbose ? 'debug' : 'warn'
+            }
+        }
+        log4js.configure({
+            appenders,
+            categories
+        })
+    },
+
+    getLogger(...args) {
+        return log4js.getLogger(...args)
+    },
+
+    shutdown(cb) {
+        log4js.shutdown(cb)
+    }
+}