Refactor create-node

Author: victorb

examples/transfer-files/complete/js/create-node.js

@@ -1,48 +1,39 @@
 'use strict'
 
-/*
- * Create an IPFS node helper
- */
 window.createNode = (callback) => {
+  // Create a new repository for IPFS in a random path always
   const repoPath = '/tmp/ipfs' + Math.random()
   const node = new window.Ipfs(repoPath)
 
-  node.init({ emptyRepo: true, bits: 2048 }, updateConfig)
+  // Initialize our repository with no extra files
+  node.init({ emptyRepo: true }, updateConfig)
 
   function updateConfig (err) {
-    if (err) {
-      return callback(err)
-    }
+    if (err) return callback(err)
 
+    // Retrieve the initialized default configuration
     node.config.get((err, config) => {
-      if (err) {
-        return callback(err)
-      }
+      if (err) return callback(err)
+
+      // Add our webrtc-star address so we can find other peers easily
       const signalDomain = 'star-signal.cloud.ipfs.team'
       const wstarMultiaddr = `/libp2p-webrtc-star/dns/${signalDomain}/wss/ipfs/${config.Identity.PeerID}`
-
       config.Addresses.Swarm = config.Addresses.Swarm.concat([ wstarMultiaddr ])
 
+      // Set the new configuration
       node.config.replace(config, bootNode)
     })
   }
 
   function bootNode (err) {
-    if (err) {
-      return callback(err)
-    }
+    if (err) return callback(err)
 
     node.load((err) => {
-      if (err) {
-        return callback(err)
-      }
+      if (err) return callback(err)
 
+      // Actually start all the services and start ipfs
       node.goOnline((err) => {
-        if (err) {
-          return callback(err)
-        }
-
-        // console.log('IPFS node is ready')
+        if (err) return callback(err)
         callback(null, node)
       })
     })