Merge pull request #21 from EvanOxfeld/reemit-createWriteStream-errors

Re-emit fs.createWriteStream errors

README.md

@@ -443,6 +443,7 @@ Supported stream types are:
           "level": "warn"
         }
 
+- Bunyan re-emits error events if the file cannot be opened successfully.
 
 
 # License

lib/bunyan.js

@@ -25,6 +25,7 @@ var os = require('os');
 var fs = require('fs');
 var util = require('util');
 var assert = require('assert');
+var EventEmitter = require('events').EventEmitter;
 
 
 
@@ -169,6 +170,8 @@ function resolveLevel(nameOrNum) {
 
 //---- Logger class
 
+Logger.prototype = new EventEmitter;
+
 /**
  * Create a Logger instance.
  *
@@ -316,7 +319,9 @@ function Logger(options, _childOptions, _childSimple) {
     case 'file':
       if (!s.stream) {
         s.stream = fs.createWriteStream(s.path,
-          {flags: 'a', encoding: 'utf8'});
+          {flags: 'a', encoding: 'utf8'}).on('error', function(err) {
+            self.emit('error', err);
+          });
         if (!s.closeOnExit) {
           s.closeOnExit = true;
         }