@sentry/core/esm/tracing/measurement.js

Base implementation for all Sentry JavaScript SDKs

import { SEMANTIC_ATTRIBUTE_SENTRY_MEASUREMENT_VALUE, SEMANTIC_ATTRIBUTE_SENTRY_MEASUREMENT_UNIT } from '../semanticAttributes.js';
import { getActiveSpan, getRootSpan } from '../utils/spanUtils.js';

/**
 * Adds a measurement to the current active transaction.
 */
function setMeasurement(name, value, unit) {
  const activeSpan = getActiveSpan();
  const rootSpan = activeSpan && getRootSpan(activeSpan);

  if (rootSpan) {
    rootSpan.addEvent(name, {
      [SEMANTIC_ATTRIBUTE_SENTRY_MEASUREMENT_VALUE]: value,
      [SEMANTIC_ATTRIBUTE_SENTRY_MEASUREMENT_UNIT]: unit ,
    });
  }
}

/**
 * Convert timed events to measurements.
 */
function timedEventsToMeasurements(events) {
  if (!events || events.length === 0) {
    return undefined;
  }

  const measurements = {};
  events.forEach(event => {
    const attributes = event.attributes || {};
    const unit = attributes[SEMANTIC_ATTRIBUTE_SENTRY_MEASUREMENT_UNIT] ;
    const value = attributes[SEMANTIC_ATTRIBUTE_SENTRY_MEASUREMENT_VALUE] ;

    if (typeof unit === 'string' && typeof value === 'number') {
      measurements[event.name] = { value, unit };
    }
  });

  return measurements;
}

export { setMeasurement, timedEventsToMeasurements };
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