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import { EventEmitter } from "node:events";
interface MessageArg {
message: string,
replyTo?: string
}
export default class MAELINK extends EventEmitter {
private token: string | null = null;
private _ws: WebSocket;
private http: string;
username?: string;
get ws(): WebSocket {
return this._ws
}
get(path: string, headers: Record<string, string> = {}) {
console.log(this.http + path);
if (this.token) headers = {...headers, token: this.token};
return fetch(this.http + path, {
headers,
})
}
post(path: string, body: string | object, headers: Record<string, string> = {}) {
console.log(this.http + path);
if (this.token) headers = {...headers, token: this.token};
if (typeof body == "object") {
headers['content-type'] = 'application/json'
body = JSON.stringify(body);
}
return fetch(this.http + path, {
headers,
body,
method: 'POST'
})
}
constructor (
server: string = 'wss://maelink-ws.derpygamer2142.com',
http: string = 'https://maelink-http.derpygamer2142.com'
) {
super()
this._ws = new WebSocket(server)
this.http = http
// deno-lint-ignore no-this-alias
const client = this;
this._ws.addEventListener('message', function (ev) {
const data = JSON.parse(ev.data);
client.emit('message', data)
client.emit('cmd_'+data.cmd, data)
switch (data.cmd) {
case 'post_home':
client.emit('post', data.post)
break;
default:
break;
}
})
}
async login(username: string, password: string) {
const resp = await this.post('/login', { username, password });
if (resp.status != 200) throw 'Status not ok, status is ' + resp.status;
const data = await resp.json()
if (data.status !== 'success') throw 'Login failed: ' + data.message
this.token = data.token
this.username = username
return data
}
sendMessage(message: string | MessageArg) {
if (!this.token) throw 'You must be logged in to send messages'
if (!message || typeof message == 'object' && message.message.length < 1) throw 'Message cannot be empty'
this._ws.send(JSON.stringify({
cmd: 'post',
p: typeof message == 'object' ? message.message : message,
token: this.token,
reply_to: typeof message == 'object' ? message.replyTo : undefined
}));
}
fetchMessages(offset: number = 0) {
return new Promise((resolve, reject) => {
this._ws.send(JSON.stringify({
cmd: "fetch",
offset: offset
}))
this.once('cmd_fetch', (resp) => {
if (resp.status !== 'success') return reject();
resolve(resp.posts)
})
})
}
}
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