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started edition of chat in node

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+ handled cors
+ added css fo chat scroll and newline
This commit is contained in:
lenovo
2022-11-30 14:25:57 +01:00
parent b86f4aa0c7
commit 55f77d2259
14 changed files with 483 additions and 81 deletions
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55
tests_hugo/chat_node/chat_client/chat.html Normal file
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<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="./style/chat.css" type="text/css" rel="stylesheet">
</head>
<body>
<input type="checkbox" id="chat_input" style="display: none;"/>
<div class="chat_box">
<div class="chat_item controls_area">
</div>
<label class="chat_item open_close button" for="chat_input">
<p>chat</p>
</label>
<div class="chat_item msg_thread">
<div class="msg_box" id="msg_thread">
<!-- messages go there -->
</div>
</div>
<div class="chat_item msg_write">
<div class="text_area" id="msg_write" contenteditable>
<!-- write message here -->
</div>
</div>
<button class="chat_item msg_send button" onclick="submit_new_message()">
<p>send</p>
</button>
</div>
<!-- https://socket.io/docs/v4/client-installation/ -->
<!-- https://socket.io/docs/v4/client-api/ -->
<script src="https://cdn.socket.io/4.5.3/socket.io.min.js" integrity="sha384-WPFUvHkB1aHA5TDSZi6xtDgkF0wXJcIIxXhC6h8OT8EH3fC5PWro5pWJ1THjcfEi" crossorigin="anonymous"></script>
<script>
const socket = io("http://localhost:3000");
socket.on("connect", () => {
console.log("client: connection");
});
</script>
<script src="./chat_submit_msg.js"></script>
<script src="./chat_receive_msg.js"></script>
</body>
</html>

20
tests_hugo/chat_node/chat_client/chat_receive_msg.js Normal file
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socket.on('chat_message', ({ data }) => {
handle_new_message(data);
});
const handle_new_message = (message) => {
const div_thread = document.getElementById('msg_thread');
console.log("received message:");
console.log(`[${message}]`);
div_thread.appendChild(build_new_message(message));
}
const build_new_message = (message) => {
const p = document.createElement("p");
p.appendChild(document.createTextNode(message));
return p;
}

18
tests_hugo/chat_node/chat_client/chat_submit_msg.js Normal file
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const submit_new_message = () => {
const div_msg = document.getElementById('msg_write');
/*
const msg = div_msg.value;
const msg = div_msg.innerText;
*/
const msg = div_msg.innerText.trim();
div_msg.innerText = "";
console.log("msg:");
console.log(`[${msg}]`);
console.log(msg.length);
if (msg.length > 0)
socket.emit('chat_message', { data: msg });
}

113
tests_hugo/chat_node/chat_client/style/chat.css Normal file
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@import 'msg_thread.css';
@import 'msg_write.css';
/**
* GRID
*/
/* Hide scrollbar */
.chat_box * {
-ms-overflow-style: none; /* IE and Edge */
scrollbar-width: none; /* Firefox */
}
.chat_box *::-webkit-scrollbar {
display: none; /* Chrome, Safari and Opera */
}
/* global settings */
.chat_box * {
position: relative;
box-sizing: border-box;
/* Hide scrollbar for IE, Edge and Firefox */
-ms-overflow-style: none; /* IE and Edge */
scrollbar-width: none; /* Firefox */
}
.chat_box .chat_item.controls_area { grid-area: controls;}
.chat_box .chat_item.open_close { grid-area: open_close;}
.chat_box .chat_item.msg_thread { grid-area: msg_thread;}
.chat_box .chat_item.msg_write { grid-area: msg_write;}
.chat_box .chat_item.msg_send { grid-area: msg_send;}
.chat_box {
position: fixed;
bottom: 20px;
right: 20px;
display: grid;
grid:
' controls open_close ' auto
' msg_thread msg_thread ' 1fr
' msg_write msg_send ' auto
/ 1fr auto;
gap: 0px;
padding: 0px;
width: auto;
height: auto;
border: 1px solid green;
}
.chat_box .chat_item * {
display: flex;
}
/* buttons settings */
.chat_box .chat_item.button {
display: flex;
width: auto;
padding: 10px;
cursor: pointer;
outline: none;
border: none;
background-color: rgb(220, 220, 220);
}
.chat_box .chat_item.button p {
margin: auto;
}
.chat_box .chat_item.button:hover {
background-color: rgb(200, 200, 200);
}
.chat_box .chat_item.button:active {
background-color: rgb(220, 220, 220);
}
/* collapse settings */
.chat_box .chat_item:not(.open_close) {
display: none;
}
#chat_input:checked +
.chat_box {
gap: 5px;
padding: 5px;
width: 300px;
height: 400px;
}
#chat_input:checked +
.chat_box .chat_item {
display: flex;
}
#chat_input:checked +
.chat_box .chat_item.open_close p {
display: none;
}
#chat_input:checked +
.chat_box .chat_item.open_close {
/*
*/
width: 30px;
height: 20px;
padding: 0px;
justify-self: end;
background-color: transparent;
border: none;
}
#chat_input:checked +
.chat_box .chat_item.open_close::before {
--collapse_width: 20px;
content: "";
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%, -50%);
height: 2px;
width: 15px;
background-color: black;
}

19
tests_hugo/chat_node/chat_client/style/msg_thread.css Normal file
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.chat_box .chat_item.msg_thread {
flex-direction: column-reverse;
overflow: scroll;
border: 1px solid blue;
}
.chat_box .chat_item .msg_box {
flex-direction: column;
width: 100%;
padding: 5px;
}
.chat_box #msg_thread p {
white-space: pre-wrap;
margin: 5px auto 5px 0px;
padding: 5px;
border-radius: 5px;
background-color: rgb(210, 210, 210);
}

20
tests_hugo/chat_node/chat_client/style/msg_write.css Normal file
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.chat_box .chat_item .text_area {
display: block;
position: absolute;
bottom: 0px;
left: 0px;
width: 100%;
height: auto;
min-height: 100%;
max-height: 300px;
/*
resize: none;
*/
overflow-x: hidden;
overflow-y: scroll;
background-color: white;
border: 1px solid red;
}
.chat_box .chat_item .text_area div {
display: block ruby;
}