Logger Components; (#3)

Author: AleRzendee

src/config/logger.js

@@ -0,0 +1,57 @@
+import winston from 'winston';
+
+const customLevels = {
+  levels: {
+    fatal: 0,
+    error: 1,
+    warning: 2,
+    info: 3,
+    http: 4,
+    debug: 5,
+  },
+  colors: {
+    fatal: 'magenta',
+    error: 'red',
+    warning: 'yellow',
+    info: 'green',
+    http: 'cyan',
+    debug: 'blue',
+  }
+};
+
+winston.addColors(customLevels.colors);
+
+const devLogger = winston.createLogger({
+  levels: customLevels.levels,
+  level: 'debug',
+  transports: [
+    new winston.transports.Console({
+      format: winston.format.combine(
+        winston.format.colorize({ all: true }),
+        winston.format.simple()
+      )
+    })
+  ]
+});
+
+const prodLogger = winston.createLogger({
+  levels: customLevels.levels,
+  level: 'info',
+  transports: [
+    new winston.transports.Console({
+      format: winston.format.combine(
+        winston.format.timestamp(),
+        winston.format.json()
+      )
+    }),
+    new winston.transports.File({
+      filename: 'errors.log',
+      level: 'error',
+      format: winston.format.json()
+    })
+  ]
+});
+
+const logger = process.env.NODE_ENV === 'production' ? prodLogger : devLogger;
+
+export default logger;