add default port 3000, clean code

Author: WuPenghe

client/src/bisankey.js

@@ -339,8 +339,8 @@ d3.biHiSankey = function() {
  for (let i=0; i<links.length; i++) {
  const link = links[i];
  const linkLength = Math.abs(link.source.x - link.target.x);
- const linkHeight = link.value * yScaleFactor;
- if (linkLength / linkHeight < 1.4) {
+ const linkHeight = link.value * yScaleFactor / linkThicknessFactor;
+ if (linkLength / linkHeight < 4) {
  yScaleFactor = 0.9 * yScaleFactor;
  scaleForFatlinks();
  }

server/ioController_mnode.js

@@ -17,13 +17,10 @@ ioController.sendInfo = function(funcInfoNode) {
  clearTimeout(sendInfoAnyway);
  sendInfoAnyway = setTimeout(sendFuncInfo, 1500);
  }
- } else {
- // process._rawDebug('keep func info');
- }
+ } 
 }
 
 function sendFuncInfo() {
- // process._rawDebug('send func info');
  io.emit('funcInfo', asyncInfoEmit);
  asyncInfoEmit = [];
 }

server/socket.js

@@ -29,6 +29,7 @@ io.on('connection', (socket) => {
 });
 
 function startServer(portNumber) {
+ if (!portNumber) portNumber = 3000;
  const scriptStr = `const socket = io.connect('http://localhost:${portNumber}');`;
  fs.writeFile(path.join(__dirname,'../client/src/main.js'), scriptStr, (err) => {
  if (err) throw err;
@@ -38,15 +39,4 @@ function startServer(portNumber) {
  })
 }
 
-// function checkIdExist(id) {
-// for (let i=0; i<io._asyncInfo.length; i++) {
-// if (io._asyncInfo[i].asyncId === id) {
-// process._rawDebug(`asyncID ${id} EXIST`);
-// return;
-// }
-// }
-// process._rawDebug(`asyncID ${id} DOESN"T EXIST`);
-// return;
-// };
-
 module.exports = {io, startServer};