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socketchat

Iryna Bolbat 3 years ago
parent
35ac3a6b27
commit
86c3df529d
6 changed files with 1323 additions and 0 deletions
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  1. 30 0
      work in class/socketchat/.gitignore
  2. 8 0
      work in class/socketchat/README.md
  3. 28 0
      work in class/socketchat/index.html
  4. 29 0
      work in class/socketchat/index.js
  5. 1210 0
      work in class/socketchat/package-lock.json
  6. 18 0
      work in class/socketchat/package.json

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+# ---> Node
 
+# Logs
 
+logs
 
+*.log
 
+npm-debug.log*
 
+
 
+# Runtime data
 
+pids
 
+*.pid
 
+*.seed
 
+
 
+# Directory for instrumented libs generated by jscoverage/JSCover
 
+lib-cov
 
+
 
+# Coverage directory used by tools like istanbul
 
+coverage
 
+
 
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
 
+.grunt
 
+
 
+# node-waf configuration
 
+.lock-wscript
 
+
 
+# Compiled binary addons (http://nodejs.org/api/addons.html)
 
+build/Release
 
+
 
+# Dependency directory
 
+# https://docs.npmjs.com/misc/faq#should-i-check-my-node-modules-folder-into-git
 
+node_modules
 
+

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+Для работы чата:
 
+
 
+- `git clone http://gitlab.a-level.com.ua/gitgod/socketchat`
 
+- установите [nodejs 8+](https://nodejs.org/uk/)
 
+- зайдите в папку с проектом (`cd`)
 
+- `npm install` для установки всех нужных библиотек. Они **уже** прописаны в файле `package.json` и `package-lock.json`. `npm` прочитает эти файлы и установит все как надо.
 
+- `node index.js` для запуска сервера
 
+- [дом родной, a/я 4000](http://localhost:4000) для захода на сервер (загрузки `index.html`)

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work in class/socketchat/index.html
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+<!DOCTYPE HTML>
 
+<html>
 
+    <head>
 
+        <title>
 
+            Static File Index.HTML
 
+        </title>
 
+        <script src='https://cdnjs.cloudflare.com/ajax/libs/socket.io/2.2.0/socket.io.js'></script>
 
+    </head>
 
+    <body>
 
+        <div id='formContainer'>
 
+            <input id="nick" placeholder="nick" value="nick">
 
+            <input id="message" placeholder="text" value="msg">
 
+            <button id="btn">Send</button>
 
+        </div>
 
+        <script>
 
+            const socket = io()
 
+            socket.on('msg', msg => {
 
+                let p = document.createElement('p');
 
+                p.innerHTML = `${msg.nick} : ${msg.message}`; 
+                document.body.appendChild(p);
 
+            });
 
+
 
+            btn.onclick = () => {
 
+                socket.emit('msg', {nick: nick.value, message: message.value});
 
+            } ;
 
+        </script>
 
+    </body>
 
+</html>

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+var app = require('express')();
 
+var http = require('http').Server(app);
 
+var io = require('socket.io')(http);
 
+const cors = require('cors')
 
+
 
+app.use(cors())
 
+
 
+app.get('/', function(req, res){
 
+  res.sendFile(__dirname + '/index.html');
 
+});
 
+
 
+io.on('connection', function(socket){
 
+  console.log('an user connected with id', socket.id);
 
+  socket.on('msg', function(msg){
 
+      if (msg && msg.message && msg.nick){
 
+          io.emit('msg', msg)
 
+      }
 
+      else {
 
+          console.log('WRONG MESSAGE', msg)
 
+      }
 
+  })
 
+  socket.on('disconnect', function(){
 
+    console.log('user disconnected '+ socket.id);
 
+  });
 
+});
 
+
 
+http.listen(4000, function(){
 
+  console.log('listening on *:4000');
 
+});

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+{
 
+  "name": "chatback",
 
+  "version": "1.0.0",
 
+  "description": "",
 
+  "main": "index.js",
 
+  "scripts": {
 
+    "test": "echo \"Error: no test specified\" && exit 1"
 
+  },
 
+  "author": "",
 
+  "license": "ISC",
 
+  "dependencies": {
 
+    "cors": "^2.8.5",
 
+    "express": "^4.16.4",
 
+    "package-lock.json": "^1.0.0",
 
+    "package.json": "^2.0.1",
 
+    "socket.io": "^2.2.0"
 
+  }
 
+}