refactor: parameters.js just check and warn not throw

Talbot3 · Oct 9, 2018 · 3b674eb · 3b674eb
1 parent e446260
commit 3b674eb
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/dev/parameters.js b/dev/parameters.js
@@ -2,17 +2,16 @@ var peer = this;
 
 if (typeof arguments[0].getStats !== 'function') {
     throw '1st argument is not exit getStats function';
-}
-
-if (arguments[0] instanceof RTCPeerConnection) {
     peer = arguments[0];
 
     if (!!navigator.mozGetUserMedia) {
         mediaStreamTrack = arguments[1];
         callback = arguments[2];
         interval = arguments[3];
     }
+}
 
+if (arguments[0] instanceof RTCPeerConnection) {
     if (!!navigator.mozGetUserMedia && !(mediaStreamTrack instanceof MediaStreamTrack)) {
         console.warn('2nd argument is not instance of MediaStreamTrack.');
     }