backend/index.html at development · Handees/backend · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>SocketIO Test Client</title>
</head>
<style>
  * {
    padding: 0;
    margin: 0;
    text-decoration: none;
  }
  body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: #fff;
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 5%;
    width: 100vw;
    max-height: 100vh;
    box-sizing: border-box;
    gap: 20px;
  }
  textarea {
    width: 100%;
    height: 300px;
    max-height: 300px;
    padding: 5px;
  }
  .left .right {
    height: 100%;
  }
  .left {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  input {
    padding: 5px;
  }
  .actions {
    display: flex;
    justify-content: space-between;
    align-items: center;;
  }
  button {
    padding: 10px;
    cursor: pointer;
  }
  .logs {
    max-height: 250px;
    overflow-y: scroll;
    white-space: pre-line;
    font-size: .8rem;
  }

</style>
<body>
    <div class="left">
      <input type="text" placeholder="socketio url (default: localhost:3000)" id="url" >
      <input type="text" placeholder="room name/id" id="room_id" >
      <textarea id="message" placeholder="message" ></textarea>
      <div class="actions">
        <button type="button" id="connect" >Try Connect</button>
      <button type="button" id="send_message" >Send Message</button>
      <button type="button" id="clear_log" >Clear Log</button>
      </div>
    </div>
    <div class="right">
      <textarea name="" id="response" placeholder="response" ></textarea>
      <div class="logs">

      </div>
    </div>
</body>
<script src="https://cdn.socket.io/4.5.0/socket.io.min.js" integrity="sha384-7EyYLQZgWBi67fBtVxw60/OWl1kjsfrPFcaU0pp0nAh+i8FD068QogUvg85Ewy1k" crossorigin="anonymous" ></script>
<script>
  const url = document.getElementById('url');
  const room_id = document.getElementById('room_id');
  const message = document.getElementById('message');
  const response = document.getElementById('response');
  const textareas = document.querySelectorAll('textarea');
  const logs = document.querySelector('.logs');
  const connect = document.getElementById('connect');
  const send_message = document.getElementById('send_message');
  const clear_log = document.getElementById('clear_log');
  let _socket = null;

  textareas.forEach(textarea => {
    textarea.addEventListener('keydown', e => {
      if (e.keyCode === 9) {
        e.preventDefault();
        const end = textarea.selectionEnd;
        textarea.value = textarea.value.substring(0, textarea.selectionEnd) + "\t" + textarea.value.substring(textarea.selectionEnd);
        textarea.selectionEnd = end + 1;
      }
    });
  });

  connect.addEventListener('click', () => {
    if (!_socket) {
     try {
       if (!room_id || room_id === "") {
         logs.textContent = logs.textContent + "Error!!! => A room id is requred!\n\n";
       }
      const socket = io(!url.value || url.value == "" ? 'http://localhost:3000' : url.value);
      socket.on('connect', () => {
        connect.textContent = 'Disconnect';
        logs.textContent = logs.textContent + "Socket connected!\n\n";
        _socket = socket;
        socket.emit('join', room_id.value);
        logs.textContent = logs.textContent + "Joined room " + room_id.value + "\n\n";
      });
      socket.on('message', data => {
        response.value = data;
        logs.textContent = logs.textContent + "Data received!" + "\n\n";
      });
      socket.on('disconnect', () => {
        connected = false;
        connect.textContent = 'Connect';
        logs.textContent = logs.textContent + "Socket disconnected!" + "\n\n";
      });
      socket.on('connect_error', err => {
        logs.textContent = logs.textContent + "Error!!! => " + err + "Check console for more info!" + "\n\n";
        console.log(err);
      });
    } catch(err) {
       logs.textContent = logs.textContent + "An error occurred! check console for more info.\n\n";
       console.log(err);
      }
    } else {
      socket.disconnect();
      _socket = null;
      logs.textContent = logs.textContent + "Socket disconnected!\n\n";
    }
  });

  send_message.addEventListener('click', () => {
    if (connected && socket && message.value && message.value !== "") {
      socket.emit('message', message.value);
    }else {
      logs.textContent = logs.textContent + "Error!!! => A message is requred!\n\n";
    }
  });

  clear_log.addEventListener('click', () => {
    logs.textContent = "";
  });

</script>
</html>