forked from darkreader/darkreader
-
Notifications
You must be signed in to change notification settings - Fork 1
Expand file tree
/
Copy pathlog.js
More file actions
94 lines (82 loc) · 2.32 KB
/
Copy pathlog.js
File metadata and controls
94 lines (82 loc) · 2.32 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
import {createWriteStream} from 'node:fs';
import process from 'node:process';
import {WebSocketServer} from 'ws';
import {createTask} from './task.js';
import {log} from './utils.js';
export const PORT = 9000;
const WAIT_FOR_CONNECTION = 2000;
/** @type {import('ws').Server} */
let server = null;
/** @type {Set<WebSocket>} */
const sockets = new Set();
const times = new WeakMap();
/**
* @param {string} logLevel
* @returns {Promise<import('ws').Server>}
*/
function createServer(logLevel) {
return new Promise((resolve) => {
const server = new WebSocketServer({port: PORT});
const stream = createWriteStream(`${Date.now()}-${logLevel}.txt`, {flags:'a'});
server.on('listening', () => {
log.ok('Loggings started');
resolve(server);
});
server.on('connection', async (ws) => {
sockets.add(ws);
times.set(ws, Date.now());
ws.on('message', async (data) => {
const message = data.toString();
stream.write(`${message}\n`);
});
ws.on('close', () => sockets.delete(ws));
if (connectionAwaiter !== null) {
connectionAwaiter();
}
});
});
}
function closeServer() {
server && server.close(() => log.ok('Logging exit'));
sockets.forEach((ws) => ws.close());
sockets.clear();
server = null;
}
process.on('exit', closeServer);
process.on('SIGINT', closeServer);
/** @type {() => void} */
let connectionAwaiter = null;
function waitForConnection() {
return new Promise((resolve) => {
connectionAwaiter = () => {
connectionAwaiter = null;
clearTimeout(timeoutId);
setTimeout(resolve, WAIT_FOR_CONNECTION);
};
const timeoutId = setTimeout(() => {
log.warn('Auto-reloader did not connect');
connectionAwaiter = null;
resolve();
}, WAIT_FOR_CONNECTION);
});
}
/**
* @param {Object} options
* @param {string} options.log
*/
export async function logging({log}) {
if (!log) {
return;
}
if (!server) {
server = await createServer(log);
}
if (sockets.size === 0) {
await waitForConnection();
}
}
const loggingTask = createTask(
'logging',
logging,
);
export default loggingTask;