@ogcio/o11y-sdk-node/dist/lib/metrics.js

Opentelemetry standard instrumentation SDK for NodeJS based project

import { createNoopMeter, metrics, } from "@opentelemetry/api";
const MetricsFactoryMap = {
    gauge: (meter) => meter.createGauge,
    histogram: (meter) => meter.createHistogram,
    counter: (meter) => meter.createCounter,
    updowncounter: (meter) => meter.createUpDownCounter,
    "async-counter": (meter) => meter.createObservableCounter,
    "async-updowncounter": (meter) => meter.createObservableUpDownCounter,
    "async-gauge": (meter) => meter.createObservableGauge,
};
function getMeter({ meterName }) {
    if (!meterName) {
        console.error("Invalid metric name!");
        return createNoopMeter();
    }
    return metrics.getMeter(`custom_metric.${meterName}`);
}
export function getMetric(type, p) {
    const meter = getMeter(p);
    if (!MetricsFactoryMap[type]) {
        throw new Error(`Unsupported metric type: ${type}`);
    }
    return MetricsFactoryMap[type](meter).bind(meter)(p.metricName, p.options);
}