prom-client - npm Package Compare versions

Comparing version 15.1.1 to 15.1.2

index.d.ts

@@ -84,3 +84,3 @@ // Type definitions for prom-client
 	 */
-	contentType: RegistryContentType;
+	readonly contentType: RegistryContentType;
 
@@ -99,2 +99,12 @@ /**
 	static merge(registers: Registry[]): Registry;
+
+	/**
+	 * HTTP Prometheus Content-Type for metrics response headers.
+	 */
+	static PROMETHEUS_CONTENT_TYPE: PrometheusContentType;
+
+	/**
+	 * HTTP OpenMetrics Content-Type for metrics response headers.
+	 */
+	static OPENMETRICS_CONTENT_TYPE: OpenMetricsContentType;
 }
@@ -109,4 +119,4 @@ export type Collector = () => void;
 /**
- * HTTP Content-Type for metrics response headers, defaults to Prometheus text
- * format.
+ * HTTP Content-Type for metrics response headers for the default registry,
+ * defaults to Prometheus text format.
  */
@@ -113,0 +123,0 @@ export const contentType: RegistryContentType;

index.js

@@ -10,7 +10,14 @@ /**
 exports.Registry = require('./lib/registry');
-exports.contentType = require('./lib/registry').globalRegistry.contentType;
-exports.prometheusContentType =
-	require('./lib/registry').PROMETHEUS_CONTENT_TYPE;
-exports.openMetricsContentType =
-	require('./lib/registry').OPENMETRICS_CONTENT_TYPE;
+Object.defineProperty(exports, 'contentType', {
+	configurable: false,
+	enumerable: true,
+	get() {
+		return exports.register.contentType;
+	},
+	set(value) {
+		exports.register.setContentType(value);
+	},
+});
+exports.prometheusContentType = exports.Registry.PROMETHEUS_CONTENT_TYPE;
+exports.openMetricsContentType = exports.Registry.OPENMETRICS_CONTENT_TYPE;
 exports.validateMetricName = require('./lib/validation').validateMetricName;
@@ -17,0 +24,0 @@

lib/metrics/eventLoopLag.js

@@ -40,28 +40,35 @@ 'use strict';
 
-	let collect;
-	if (!perf_hooks || !perf_hooks.monitorEventLoopDelay) {
-		collect = () => {
-			const start = process.hrtime();
-			setImmediate(reportEventloopLag, start, lag, labels);
-		};
-	} else {
-		const histogram = perf_hooks.monitorEventLoopDelay({
-			resolution: config.eventLoopMonitoringPrecision,
-		});
-		histogram.enable();
+	let collect = () => {
+		const start = process.hrtime();
+		setImmediate(reportEventloopLag, start, lag, labels);
+	};
 
-		collect = () => {
-			const start = process.hrtime();
-			setImmediate(reportEventloopLag, start, lag, labels);
+	if (perf_hooks && perf_hooks.monitorEventLoopDelay) {
+		try {
+			const histogram = perf_hooks.monitorEventLoopDelay({
+				resolution: config.eventLoopMonitoringPrecision,
+			});
+			histogram.enable();
 
-			lagMin.set(labels, histogram.min / 1e9);
-			lagMax.set(labels, histogram.max / 1e9);
-			lagMean.set(labels, histogram.mean / 1e9);
-			lagStddev.set(labels, histogram.stddev / 1e9);
-			lagP50.set(labels, histogram.percentile(50) / 1e9);
-			lagP90.set(labels, histogram.percentile(90) / 1e9);
-			lagP99.set(labels, histogram.percentile(99) / 1e9);
+			collect = () => {
+				const start = process.hrtime();
+				setImmediate(reportEventloopLag, start, lag, labels);
 
-			histogram.reset();
-		};
+				lagMin.set(labels, histogram.min / 1e9);
+				lagMax.set(labels, histogram.max / 1e9);
+				lagMean.set(labels, histogram.mean / 1e9);
+				lagStddev.set(labels, histogram.stddev / 1e9);
+				lagP50.set(labels, histogram.percentile(50) / 1e9);
+				lagP90.set(labels, histogram.percentile(90) / 1e9);
+				lagP99.set(labels, histogram.percentile(99) / 1e9);
+
+				histogram.reset();
+			};
+		} catch (e) {
+			if (e.code === 'ERR_NOT_IMPLEMENTED') {
+				return; // Bun
+			}
+
+			throw e;
+		}
 	}
@@ -68,0 +75,0 @@

lib/metrics/heapSpacesSizeAndUsed.js

@@ -14,2 +14,10 @@ 'use strict';
 module.exports = (registry, config = {}) => {
+	try {
+		v8.getHeapSpaceStatistics();
+	} catch (e) {
+		if (e.code === 'ERR_NOT_IMPLEMENTED') {
+			return; // Bun
+		}
+		throw e;
+	}
 	const registers = registry ? [registry] : undefined;
@@ -16,0 +24,0 @@ const namePrefix = config.prefix ? config.prefix : '';

package.json

 {
 	"name": "prom-client",
-	"version": "15.1.1",
+	"version": "15.1.2",
 	"description": "Client for prometheus",
@@ -5,0 +5,0 @@ "main": "index.js",

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Fixed alerts

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Improved metrics

Total package byte prevSize

126236

increased by0.51%

Lines of code

3167

increased by0.89%

No dependency changes