bullmq-otel/dist/esm/bullMQOtel.js

OpenTelemetry add-on for BullMQ

import { trace, context, propagation, } from '@opentelemetry/api';
class BullMQOTelContextManager {
    constructor() {
        this.contextAPI = context;
    }
    getMetadata(ctx) {
        const metadata = {};
        propagation.inject(ctx, metadata);
        return JSON.stringify(metadata);
    }
    fromMetadata(activeCtx, metadata) {
        const metadataObj = JSON.parse(metadata);
        const ctx = propagation.extract(activeCtx, metadataObj);
        return ctx;
    }
    with(ctx, fn) {
        return this.contextAPI.with(ctx, fn);
    }
    active() {
        return this.contextAPI.active();
    }
}
class BullMQOtelTracer {
    constructor(tracer) {
        this.tracer = tracer;
    }
    startSpan(name, options, context) {
        const span = this.tracer.startSpan(name, options, context);
        return new BullMQOTelSpan(span);
    }
}
export class BullMQOTelSpan {
    constructor(span) {
        this.span = span;
    }
    setSpanOnContext(ctx) {
        return trace.setSpan(ctx, this.span);
    }
    setAttribute(key, value) {
        this.span.setAttribute(key, value);
    }
    setAttributes(attributes) {
        this.span.setAttributes(attributes);
    }
    addEvent(name, attributes, time) {
        this.span.addEvent(name, attributes, time);
    }
    recordException(exception, time) {
        this.span.recordException(exception, time);
    }
    end() {
        this.span.end();
    }
}
export class BullMQOtel {
    constructor(tracerName, version) {
        this.tracer = new BullMQOtelTracer(trace.getTracer(tracerName, version));
        this.contextManager = new BullMQOTelContextManager();
    }
}
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