1
|
/// <reference types="node" />
|
2
|
/**
|
3
|
* trace-event - A library to create a trace of your node app per
|
4
|
* Google's Trace Event format:
|
5
|
* // JSSTYLED
|
6
|
* https://docs.google.com/document/d/1CvAClvFfyA5R-PhYUmn5OOQtYMH4h6I0nSsKchNAySU
|
7
|
*/
|
8
|
import { Readable as ReadableStream } from "stream";
|
9
|
export interface Event {
|
10
|
ts: number;
|
11
|
pid: number;
|
12
|
tid: number;
|
13
|
/** event phase */
|
14
|
ph?: string;
|
15
|
[otherData: string]: any;
|
16
|
}
|
17
|
export interface Fields {
|
18
|
cat?: any;
|
19
|
args?: any;
|
20
|
[filedName: string]: any;
|
21
|
}
|
22
|
export interface TracerOptions {
|
23
|
parent?: Tracer | null;
|
24
|
fields?: Fields | null;
|
25
|
objectMode?: boolean | null;
|
26
|
noStream?: boolean;
|
27
|
}
|
28
|
export declare class Tracer extends ReadableStream {
|
29
|
private _objectMode;
|
30
|
/** Node Stream internal APIs */
|
31
|
private _push;
|
32
|
private firstPush?;
|
33
|
private noStream;
|
34
|
private events;
|
35
|
private parent;
|
36
|
private fields;
|
37
|
constructor(opts?: TracerOptions);
|
38
|
/**
|
39
|
* If in no streamMode in order to flush out the trace
|
40
|
* you need to call flush.
|
41
|
*/
|
42
|
flush(): void;
|
43
|
_read(_: number): void;
|
44
|
private _pushString(ev);
|
45
|
private _flush();
|
46
|
child(fields: Fields): Tracer;
|
47
|
begin(fields: Fields): void;
|
48
|
end(fields: Fields): void;
|
49
|
completeEvent(fields: Fields): void;
|
50
|
instantEvent(fields: Fields): void;
|
51
|
mkEventFunc(ph: string): (fields: Fields) => void;
|
52
|
}
|