@arizeai/phoenix-evals/dist/esm/telemetry/index.js

A library for running evaluations for AI use cases

import { OpenTelemetry } from "@ai-sdk/otel";
import { trace } from "@opentelemetry/api";
const DEFAULT_TRACER_NAME = "phoenix-evals";
/**
 * Returns a lazy tracer that resolves from `trace.getTracer()` on every call,
 * so evaluator spans follow whichever provider is currently mounted as global.
 *
 * Cast to `Tracer` is necessary because `startActiveSpan` has multiple
 * overload signatures that cannot be satisfied by a single implementation.
 */
export function getTracer(name = DEFAULT_TRACER_NAME) {
    return {
        startSpan(spanName, options, context) {
            return trace.getTracer(name).startSpan(spanName, options, context);
        },
        startActiveSpan(...args) {
            const tracer = trace.getTracer(name);
            return Reflect.apply(tracer.startActiveSpan, tracer, args);
        },
    };
}
export const tracer = getTracer();
/**
 * Builds the AI SDK telemetry integrations for an evaluator call. Per-call
 * `integrations` replace the SDK's globally registered ones, so the globals
 * (application logging, metrics, tracing to other backends) are carried
 * forward with a Phoenix tracing integration appended. If a global
 * integration already traces with the same tracer instance, the globals are
 * used as-is so the call is not traced twice.
 */
export function getTelemetryIntegrations(integrationTracer) {
    const globalIntegrations = globalThis.AI_SDK_TELEMETRY_INTEGRATIONS ?? [];
    const hasTracerIntegration = globalIntegrations.some(
    // Duck-typed so integrations from a different copy of `@ai-sdk/otel`
    // are still recognized.
    (integration) => integration.tracer === integrationTracer);
    if (hasTracerIntegration) {
        return globalIntegrations;
    }
    return [
        ...globalIntegrations,
        new OpenTelemetry({
            tracer: integrationTracer,
            // Supplemental AI SDK attributes recommended for fuller OpenInference
            // coverage of generateObject calls.
            usage: true,
            providerMetadata: true,
            schema: true,
        }),
    ];
}
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