4584a8b570
* Updating everything except the license headers themselves * Applying ESLint rules * Manually replacing the stragglers
35 lines
875 B
TypeScript
35 lines
875 B
TypeScript
/*
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* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
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* or more contributor license agreements. Licensed under the Elastic License
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* 2.0; you may not use this file except in compliance with the Elastic License
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* 2.0.
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*/
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import * as rt from 'io-ts';
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import uuid from 'uuid';
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export const tracingSpanRT = rt.type({
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duration: rt.number,
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id: rt.string,
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name: rt.string,
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start: rt.number,
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});
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export type TracingSpan = rt.TypeOf<typeof tracingSpanRT>;
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export type ActiveTrace = (endTime?: number) => TracingSpan;
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export const startTracingSpan = (name: string): ActiveTrace => {
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const initialState: TracingSpan = {
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duration: Number.POSITIVE_INFINITY,
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id: uuid.v4(),
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name,
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start: Date.now(),
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};
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return (endTime: number = Date.now()) => ({
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...initialState,
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duration: endTime - initialState.start,
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});
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};
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