Added showLevel flag to common.js, file*, memory and console transports.

README.md

@@ -644,6 +644,7 @@ The Console transport takes a few simple options:
 * __timestamp:__ Boolean flag indicating if we should prepend output with timestamps (default false). If function is specified, its return value will be used instead of timestamps.
 * __prettyPrint:__ Boolean flag indicating if we should `util.inspect` the meta (default false). If function is specified, its return value will be the string representing the meta.
 * __depth__ Numeric indicating how many times to recurse while formatting the object with `util.inspect` (only used with `prettyPrint: true`) (default null, unlimited)
+* __showLevel:__ Boolean flag indicating if we should prepend output with level (default true).
 
 *Metadata:* Logged via util.inspect(meta);
 
@@ -666,6 +667,7 @@ The File transport should really be the 'Stream' transport since it will accept
 * __prettyPrint:__ If true, additional JSON metadata objects that are added to logging string messages will be displayed as a JSON string representation. If function is specified, its return value will be the string representing the meta.
 * __depth__ Numeric indicating how many times to recurse while formatting the object with `util.inspect` (only used with `prettyPrint: true`) (default null, unlimited)
 * __logstash:__ If true, messages will be logged as JSON and formatted for logstash (default false).
+* __showLevel:__ Boolean flag indicating if we should prepend output with level (default true).
 
 *Metadata:* Logged via util.inspect(meta);
 

lib/winston/common.js

@@ -127,6 +127,7 @@ exports.log = function (options) {
         ? options.timestamp
         : exports.timestamp,
       timestamp   = options.timestamp ? timestampFn() : null,
+      showLevel   = options.showLevel === undefined ? true : options.showLevel,
       meta        = options.meta !== null && options.meta !== undefined && !(options.meta instanceof Error)
         ? exports.clone(cycle.decycle(options.meta))
         : options.meta || null,
@@ -189,12 +190,17 @@ exports.log = function (options) {
     });
   }
 
+  //
+  // Remark: this should really be a call to `util.format`.
+  //
   output = timestamp ? timestamp + ' - ' : '';
-  output += options.colorize === 'all' || options.colorize === 'level' || options.colorize === true
-    ? config.colorize(options.level)
-    : options.level;
+  if (showLevel) {
+    output += options.colorize === 'all' || options.colorize === 'level' || options.colorize === true
+      ? config.colorize(options.level)
+      : options.level;
+  }
 
-  output += ': ';
+  output += (timestamp || showLevel) ? ': ' : '';
   output += options.label ? ('[' + options.label + '] ') : '';
   output += options.colorize === 'all' || options.colorize === 'message'
     ? config.colorize(options.level, options.message)

lib/winston/transports/console.js

@@ -26,6 +26,7 @@ var Console = exports.Console = function (options) {
   this.colorize    = options.colorize    || false;
   this.prettyPrint = options.prettyPrint || false;
   this.timestamp   = typeof options.timestamp !== 'undefined' ? options.timestamp : false;
+  this.showLevel   = options.showLevel === undefined ? true : options.showLevel;
   this.label       = options.label       || null;
   this.logstash    = options.logstash    || false;
   this.debugStdout = options.debugStdout || false;

lib/winston/transports/daily-rotate-file.js

@@ -71,6 +71,7 @@ var DailyRotateFile = exports.DailyRotateFile = function (options) {
   this.maxFiles    = options.maxFiles    || null;
   this.label       = options.label       || null;
   this.prettyPrint = options.prettyPrint || false;
+  this.showLevel   = options.showLevel === undefined ? true : options.showLevel;
   this.timestamp   = options.timestamp != null ? options.timestamp : true;
   this.datePattern = options.datePattern != null ? options.datePattern : '.yyyy-MM-dd';
   this.depth       = options.depth       || null;
@@ -158,6 +159,7 @@ DailyRotateFile.prototype.log = function (level, msg, meta, callback) {
     timestamp:   this.timestamp,
     label:       this.label,
     stringify:   this.stringify,
+    showLevel:   this.showLevel,
     depth:       this.depth
   }) + '\n';
 

lib/winston/transports/file.js

@@ -77,6 +77,7 @@ var File = exports.File = function (options) {
   this.timestamp   = options.timestamp != null ? options.timestamp : true;
   this.eol         = options.eol || '\n';
   this.depth       = options.depth       || null;
+  this.showLevel   = options.showLevel === undefined ? true : options.showLevel;
 
   if (this.json) {
     this.stringify = options.stringify;

lib/winston/transports/memory.js

@@ -21,6 +21,7 @@ var Memory = exports.Memory = function (options) {
   this.colorize    = options.colorize    || false;
   this.prettyPrint = options.prettyPrint || false;
   this.timestamp   = typeof options.timestamp !== 'undefined' ? options.timestamp : false;
+  this.showLevel   = options.showLevel === undefined ? true : options.showLevel;
   this.label       = options.label       || null;
   this.depth       = options.depth       || null;