Method metrics

lib/registry.js:83–99

()

	}

	async metrics() {
		const isOpenMetrics =
			this.contentType === Registry.OPENMETRICS_CONTENT_TYPE;

		const promises = this.getMetricsAsArray().map(metric => {
			if (isOpenMetrics && metric.type === 'counter') {
				metric.name = standardizeCounterName(metric.name);
			}
			return this.getMetricsAsString(metric);
		});

		const resolves = await Promise.all(promises);

		return isOpenMetrics
			? `${resolves.join('\n')}\n# EOF\n`
			: `${resolves.join('\n\n')}\n`;
	}

	registerMetric(metric) {
		if (this._metrics[metric.name] && this._metrics[metric.name] !== metric) {