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
|
import { LogMetricTraceable, LogTraceable } from "@emprespresso/pengueno";
import { TraceUtil } from "../trace/util.ts";
const greetings = [
"hewwo :D",
"hiya cutie",
"boop!",
"sending virtual hugs!",
"stay pawsitive",
];
const penguenoGreeting = () =>
greetings[Math.floor(Math.random() * greetings.length)];
export class PenguenoRequest extends Request {
private constructor(
_input: URL,
_requestInit: RequestInit,
public readonly id: string,
public readonly at: Date,
) {
super(_input, _requestInit);
}
public baseResponseHeaders(): Record<string, string> {
const ServerRequestTime = this.at.getTime();
const ServerResponseTime = Date.now();
const DeltaTime = ServerResponseTime - ServerRequestTime;
const RequestId = this.id;
return Object.entries({
RequestId,
ServerRequestTime,
ServerResponseTime,
DeltaTime,
Hai: penguenoGreeting(),
}).reduce((acc, [key, val]) => ({ ...acc, [key]: val.toString() }), {});
}
public static from(request: Request): LogMetricTraceable<PenguenoRequest> {
const id = crypto.randomUUID();
const url = new URL(request.url);
const { pathname } = url;
const logTraceable = LogTraceable.of(
new PenguenoRequest(url, { ...request }, id, new Date()),
).bimap(
TraceUtil.withTrace(`Id=${id} Method=${request.method} Path=${pathname}`),
);
return LogMetricTraceable.ofLogTraceable(logTraceable);
}
}
|
