useNewUrlParser: true by default

README.md

@@ -38,7 +38,7 @@ false.
 * __db:__ MongoDB connection uri, pre-connected `MongoClient` object or promise
 which resolves to a pre-connected `MongoClient` object.
 * __options:__ MongoDB connection parameters (optional, defaults to
-`{poolSize: 2, autoReconnect: true}`).
+`{poolSize: 2, autoReconnect: true, useNewUrlParser: true}`).
 * __collection__: The name of the collection you want to store log messages in,
 defaults to 'log'.
 * __storeHost:__ Boolean indicating if you want to store machine hostname in

lib/winston-mongodb.js

@@ -26,7 +26,7 @@ const helpers = require('./helpers');
  * @param {string|Object} options.db MongoDB connection uri or preconnected db
  * object.
  * @param {Object} options.options MongoDB connection parameters
- * (optional, defaults to `{poolSize: 2, autoReconnect: true}`).
+ * (optional, defaults to `{poolSize: 2, autoReconnect: true, useNewUrlParser: true}`).
  * @param {string=logs} options.collection The name of the collection you want
  * to store log messages in.
  * @param {boolean=false} options.storeHost Boolean indicating if you want to
@@ -63,7 +63,8 @@ let MongoDB = exports.MongoDB = function(options) {
   if (!this.options) {
     this.options = {
       poolSize: 2,
-      autoReconnect: true
+      autoReconnect: true,
+      useNewUrlParser: true
     };
   }
   this.collection = (options.collection || 'log');

test/winston-mongodb-test.js

@@ -15,7 +15,7 @@ const MongoDB = require('../lib/winston-mongodb').MongoDB;
 const dbUrl = process.env.USER_WINSTON_MONGODB_URL
     ||process.env.WINSTON_MONGODB_URL||'mongodb://localhost:27017/winston';
 
-mongoose.connect(dbUrl);
+mongoose.connect(dbUrl, {useNewUrlParser: true});
 
 describe('winston-mongodb-manual-tests', function() {
   describe('winston-mongodb', function() {