New API: WebTorrent.WEBRTC_SUPPORT

Detect native WebRTC support in the environment.

```js
if (WebTorrent.WEBRTC_SUPPORT) {
  // webrtc support!
} else {
  // fallback
}
```

1 files changed, 4 insertions, 1 deletions

diff --git a/index.js b/index.js
index 2281a91..6a7776a 100644
--- a/index.js
+++ b/index.js
@@ -11,12 +11,13 @@ var loadIPSet = require('load-ip-set') // browser exclude
 var parallel = require('run-parallel')
 var parseTorrent = require('parse-torrent')
 var path = require('path')
+var Peer = require('simple-peer')
 var speedometer = require('speedometer')
 var zeroFill = require('zero-fill')
 
 var Torrent = require('./lib/torrent')
 
-inherits(WebTorrent, EventEmitter)
+module.exports.WEBRTC_SUPPORT = Peer.WEBRTC_SUPPORT
 
 /**
  * WebTorrent version.
@@ -40,6 +41,8 @@ var VERSION_STR = VERSION.match(/([0-9]+)/g).slice(0, 2).map(zeroFill(2)).join('
  */
 var VERSION_PREFIX = '-WW' + VERSION_STR + '-'
 
+inherits(WebTorrent, EventEmitter)
+
 /**
  * WebTorrent Client
  * @param {Object=} opts