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52 lines
1.4 KiB
52 lines
1.4 KiB
/** |
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* trace-event - A library to create a trace of your node app per |
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* Google's Trace Event format: |
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* // JSSTYLED |
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* https://docs.google.com/document/d/1CvAClvFfyA5R-PhYUmn5OOQtYMH4h6I0nSsKchNAySU |
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*/ |
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/// <reference types="node" /> |
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import { Readable as ReadableStream } from "stream"; |
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export interface Event { |
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ts: number; |
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pid: number; |
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tid: number; |
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/** event phase */ |
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ph?: string; |
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[otherData: string]: any; |
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} |
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export interface Fields { |
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cat?: any; |
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args?: any; |
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[filedName: string]: any; |
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} |
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export interface TracerOptions { |
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parent?: Tracer | null; |
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fields?: Fields | null; |
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objectMode?: boolean | null; |
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noStream?: boolean; |
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} |
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export declare class Tracer extends ReadableStream { |
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private _objectMode; |
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/** Node Stream internal APIs */ |
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private _push; |
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private firstPush?; |
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private noStream; |
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private events; |
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private parent; |
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private fields; |
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constructor(opts?: TracerOptions); |
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/** |
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* If in no streamMode in order to flush out the trace |
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* you need to call flush. |
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*/ |
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flush(): void; |
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_read(_: number): void; |
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private _pushString; |
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private _flush; |
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child(fields: Fields): Tracer; |
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begin(fields: Fields): void; |
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end(fields: Fields): void; |
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completeEvent(fields: Fields): void; |
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instantEvent(fields: Fields): void; |
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mkEventFunc(ph: string): (fields: Fields) => void; |
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}
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