Fast Middleware exposing user-agent for NodeJS

express-useragent is a simple NodeJS/ExpressJS user-agent middleware exposing user-agent details to your application and views.

Installation

Installation is done using the Node Package Manager (npm). If you don't have npm installed on your system you can download it from npmjs.org
To install express-useragent:
``bash
$ npm install express-useragent --save
`

Usage overview

$3

`js
var http = require('http')
, useragent = require('express-useragent');

var srv = http.createServer(function (req, res) {
var source = req.headers['user-agent'],
ua = useragent.parse(source);
res.writeHead(200, {'Content-Type': 'text/plain'});
res.end(JSON.stringify(ua));
});

srv.listen(3000);
`

$3

is permanently included

#### manual setup in project config/middleware.js

`js
var useragent = require('express-useragent');

module.exports = function (app, express) {
app.use(function () {
app.use(useragent.express());
});
};
`

$3

`js
var express = require('express');
var app = express();
var useragent = require('express-useragent');

app.use(useragent.express());
app.get('/', function(req, res){
res.send(req.useragent);
});
app.listen(3000);
`

module provides details such as the following:

`js
{
"isMobile":false,
"isDesktop":true,
"isBot":false,
.....
"browser":"Chrome",
"version":"17.0.963.79",
"os":"Windows 7",
"platform":"Microsoft Windows",
"source":"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.79..."
}

`

Accessing the User-Agent

If you are using express or connect, then express-useragent
provides an easy way to access the user-agent as:

- req.useragent from your app server
- useragent helper accessible from your express views.

Client Side

* Clone the repo: git clone git://github.com/biggora/express-useragent.git
* Or Install with Bower: bower install express-useragent.

The client side version of express-useragent available in the lib/ subdirectory.

#### Include file in your HTML. The minimum required for this plugin are:
`

`
#### Execute the plugin:
`javascript
var userAgent = new UserAgent().parse(navigator.userAgent);
`

Running Tests

Ensure you have nodeunit by running `npm install -g nodeunit`.
Then, run `npm test`.

`bash
npm install
npm test
`

#### Run Example Node App

`bash
npm run-script http
`

#### Run Example Express App

`bash
npm run-script express
``

In the Wild

The following projects use express-useragent.

If you are using express-useragent in a project, app, or module, get on the list below
by getting in touch or submitting a pull request with changes to the README.

Author

Aleksejs Gordejevs (aleksej@gordejev.lv).

License

(The MIT License)

Copyright (c) 2012-2020 Aleksejs Gordejevs

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Resources

- Visit the author website.
- Follow @biggora on Twitter for updates.
- Report issues on the github issues page.