Function setMeterState

src/entrypoints/init.ts:305–340

()

}

async function setMeterState(): Promise<void> {
  // Lazy-load instrumentation to defer ~400KB of OpenTelemetry + protobuf
  const { initializeTelemetry } = await import(
    '../utils/telemetry/instrumentation.js'
  )
  // Initialize customer OTLP telemetry (metrics, logs, traces)
  const meter = await initializeTelemetry()
  if (meter) {
    // Create factory function for attributed counters
    const createAttributedCounter = (
      name: string,
      options: MetricOptions,
    ): AttributedCounter => {
      const counter = meter?.createCounter(name, options)

      return {
        add(value: number, additionalAttributes: Attributes = {}) {
          // Always fetch fresh telemetry attributes to ensure they're up to date
          const currentAttributes = getTelemetryAttributes()
          const mergedAttributes = {
            ...currentAttributes,
            ...additionalAttributes,
          }
          counter?.add(value, mergedAttributes)
        },
      }
    }

    setMeter(meter, createAttributedCounter)

    // Increment session counter here because the startup telemetry path
    // runs before this async initialization completes, so the counter
    // would be null there.
    getSessionCounter()?.add(1)
  }
}