Update server.js

@@ -4,57 +4,58 @@
  * MIT Licensed (C) QXIP 2020
  */
 
-const url = require('url');
+const url = require("url");
 var rimraf = require("rimraf");
-const Gun = require('gun/gun');
-require('./gun-ws.js');
-require('./memdisk.js');
-const http = require('http');
-const WebSocket = require('ws');
+const Gun = require("gun/gun"); // do not load storage adaptors by default
+require("./gun-ws.js"); // required to allow external websockets into gun constructor
+require("./mem.js"); // disable to allow file writing for debug
+const http = require("http");
+const WebSocket = require("ws");
 var server = http.createServer();
 
 // LRU with last used sockets
-const QuickLRU = require('quick-lru');
-var evict = function(key,value){
-  console.log('Garbage Collect',key);
-  if(key) rimraf("/tmp/"+key, function () { console.log("Cleaned up ID",key); });
-}
-const lru = new QuickLRU({maxSize: 10, onEviction: evict });
+const QuickLRU = require("quick-lru");
+var evict = function(key, value) {
+  console.log("Garbage Collect", key);
+  if (key)
+    rimraf("tmp/" + key, function() {
+      console.log("Cleaned up ID", key);
+    });
+};
+const lru = new QuickLRU({ maxSize: 10, onEviction: evict });
 
-server.on('upgrade', async function (request, socket, head) {
-  var pathname = url.parse(request.url).pathname || '/gun';
-  console.log('Got WS request',pathname);
-  var gun = { gun: false, server: false};
-  if (pathname){
-      if (lru.has(pathname)){
+server.on("upgrade", async function(request, socket, head) {
+  var pathname = url.parse(request.url).pathname || "/gun";
+  console.log("Got WS request", pathname);
+  var gun = { gun: false, server: false };
+  if (pathname) {
+    if (lru.has(pathname)) {
       // Existing Node
-        console.log('Recycle id',pathname);
+      console.log("Recycle id", pathname);
       gun = await lru.get(pathname);
     } else {
       // Create Node
-        console.log('Create id',pathname);
+      console.log("Create id", pathname);
       // NOTE: Only works with lib/ws.js shim allowing a predefined WS as ws.web parameter in Gun constructor
-        gun.server = new WebSocket.Server({ noServer: true, path: pathname});
-        console.log('set peer',request.headers.host+pathname);
+      gun.server = new WebSocket.Server({ noServer: true, path: pathname });
+      console.log("set peer", request.headers.host + pathname);
       gun.gun = new Gun({
-            peers:[], // should we use self as peer?
+        peers: [], // should we use self as peer?
         localStorage: false,
-            file: "tmp/"+pathname,
+        file: "tmp/" + pathname,
         multicast: false,
         ws: { noServer: true, path: pathname, web: gun.server },
         web: gun.server
       });
-        // gun.gun.on("in", function(msg) { console.log('got',msg ) });
-        lru.set(pathname,gun);
+      lru.set(pathname, gun);
     }
   }
-  if (gun.server){
+  if (gun.server) {
     // Handle Request
-      gun.server.handleUpgrade(request, socket, head, function (ws) {
-              console.log('connecting to gun instance', gun.gun.opt()._.opt.ws.path )
-              gun.server.emit('connection', ws, request);     
+    gun.server.handleUpgrade(request, socket, head, function(ws) {
+      console.log("connecting to gun instance", gun.gun.opt()._.opt.ws.path);
+      gun.server.emit("connection", ws, request);
     });
-    
   } else {
     socket.destroy();
   }