Start using connectionIds internally to keep track of different pc connections

Allow a user to send a connectionId when it starts listening
Added methods to make sure we are correctly removing events listeners

Author: onel

example/index.html

@@ -9,6 +9,8 @@
     <button id="hangupButton">hangup</button>
     <script src="https://unpkg.com/@peermetrics/webrtc-stats@latest/dist/browser.js"></script>
 
+    <!-- <script type="text/javascript" src="../dist/browser.js"></script> -->
+
     <script>
       window.stats = new WebRTCStats({
         getStatsInterval: 2000,

package-lock.json

@@ -22,16 +22,19 @@
   "engines": {
     "node": ">=8"
   },
-  "dependencies": {},
+  "dependencies": {
+    "uuid": "8.3.2"
+  },
   "devDependencies": {
     "@babel/core": "^7.12.10",
     "@babel/preset-env": "^7.12.11",
     "@babel/preset-typescript": "^7.12.7",
+    "@rollup/plugin-node-resolve": "^13.1.3",
     "@rollup/plugin-typescript": "^4.1.2",
     "@types/webrtc": "0.0.26",
     "babel-preset-minify": "^0.5.1",
     "http-server": "^0.12.3",
-    "rollup": "^1.32.1",
+    "rollup": "^2.38",
     "rollup-plugin-babel": "^4.3.3",
     "rollup-plugin-node-builtins": "^2.1.2",
     "rollup-plugin-terser": "^7.0.2",

package.json

@@ -1,3 +1,4 @@
+import { nodeResolve } from '@rollup/plugin-node-resolve'
 import typescript from '@rollup/plugin-typescript'
 
 import builtins from 'rollup-plugin-node-builtins'
@@ -9,6 +10,9 @@ import babelConfig from './.babelrc.json'
 
 const plugins = [
   builtins(),
+  nodeResolve({
+    browser: true
+  }),
   typescript(),
   babel(babelConfig)
 ]