init client

2022-12-11 22:49:02 +01:00 · 2022-12-11 22:49:02 +01:00 · 2127ad36a9
commit 2127ad36a9
2 changed files with 89 additions and 0 deletions
--- a/index.html
+++ b/index.html
@ -0,0 +1,31 @@
+<!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>Document</title>
+    <script src="script.js"></script>
+</head>
+<body>
+    <p>UserID: <span id="userid"></span> <button id="copy-userid">Copy</button></p>
+    
+    <br>
+    <label>Receiver:</label>
+    <input id="receiver" type="text">
+    <button id="btn-clear-rec">Clear</button>
+    <br>
+    <br>
+    <label>Chat msg:</label>
+    <input id="msg" type="text">
+    <button id="btn-send">Send</button>
+    <button id="btn-clear">Clear</button>
+   
+    <style>
+        body {
+            background-color: black;
+            color: white;
+        }
+    </style>
+</body>
+</html>
--- a/script.js
+++ b/script.js
@ -0,0 +1,58 @@
+window.onload = () => {
+    const msg = document.getElementById("msg")
+    const receiver = document.getElementById("receiver")
+
+    document.getElementById("btn-send").onclick = function() {
+        const chatMsg = {cmd: 2, rec: receiver.value, body: {msg: {"id": "1293", "body": msg.value}}}
+
+        ws.send(JSON.stringify(chatMsg))
+
+        console.log("Send:", chatMsg, msg.value)
+    }
+
+    document.getElementById("btn-clear").onclick = () => {
+        msg.value = ""
+    }
+
+    document.getElementById("copy-userid").onclick = () => {
+        navigator.clipboard.writeText(document.getElementById("userid").innerHTML)
+        console.log("copied to clipboard")
+    }
+
+    document.getElementById("btn-clear-rec").onclick = () => {
+        document.getElementById("receiver").value = ""
+    }
+
+    connectWS()
+}
+
+let ws = null
+
+function connectWS() {
+    ws = new WebSocket("ws://localhost:3000/")
+
+    ws.onopen = () => {
+        console.info("ws open", document.getElementById("userid"))
+    }
+    
+    ws.onmessage = (msg) => {
+        console.log("rec msg:", msg.data)
+    
+        let data = JSON.parse(msg.data)
+        
+        if (data["Cmd"] == 99999) {
+            document.getElementById("userid").innerHTML = data["Body"]
+        }
+    }
+    
+    ws.onclose = (e) => {
+        console.log("ws closed", e.reason)
+        document.getElementById("userid").innerHTML = ""
+        setTimeout(() => connectWS(), 1000)
+    }
+
+    ws.onerror = (err) => {
+        console.warn("err:", err)
+    }
+}
+