bump version to 8.0.1

Bumps [body-parser](https://github.com/expressjs/body-parser) to 1.20.3 and updates ancestor dependency [express](https://github.com/expressjs/express). These dependencies need to be updated together.


Updates `body-parser` from 1.20.2 to 1.20.3
- [Release notes](https://github.com/expressjs/body-parser/releases)
- [Changelog](https://github.com/expressjs/body-parser/blob/master/HISTORY.md)
- [Commits](https://github.com/expressjs/body-parser/compare/1.20.2...1.20.3)

Updates `express` from 4.19.2 to 4.21.1
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/4.21.1/History.md)
- [Commits](https://github.com/expressjs/express/compare/4.19.2...4.21.1)

---
updated-dependencies:
- dependency-name: body-parser
  dependency-type: indirect
- dependency-name: express
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

README.md

@@ -55,6 +55,7 @@ Which labels to include in `http_request_duration_seconds` metric:
 * **metricsPath**: replace the `/metrics` route with a **regex** or exact **string**. Note: it is highly recommended to just stick to the default
 * **metricType**: histogram/summary selection. See more details below
 * **httpDurationMetricName**: Allows you change the name of HTTP duration metric, default: **`http_request_duration_seconds`**.
+* **upMetricName**: Allows you change the name of up metric, default: **`up`**.
 
 ### metricType option ###
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "express-prom-bundle",
-  "version": "7.0.0",
+  "version": "8.0.1",
   "description": "express middleware with popular prometheus metrics in one bundle",
   "main": "src/index.js",
   "keywords": [
@@ -24,14 +24,14 @@
   "author": "Konstantin Pogorelov <or@pluseq.com>",
   "license": "MIT",
   "dependencies": {
-    "@types/express": "^4.17.21",
-    "express": "^4.18.2",
+    "@types/express": "^5.0.0",
     "on-finished": "^2.3.0",
     "url-value-parser": "^2.0.0"
   },
   "devDependencies": {
     "dts": "^0.1.1",
     "eslint": "^5.11.0",
+    "express": "^5.0.1",
     "istanbul": "^0.4.5",
     "jasme": "^6.0.0",
     "koa": "^2.6.2",

src/index.js

@@ -91,6 +91,7 @@ function main(opts) {
   }
 
   const httpMetricName = opts.httpDurationMetricName || 'http_request_duration_seconds';
+  const upMetricName = opts.upMetricName || 'up';
 
   function makeHttpMetric() {
     const labels = ['status_code'];
@@ -138,7 +139,7 @@ function main(opts) {
       prefix = opts.promClient.collectDefaultMetrics.prefix || '';
     }
     metrics.up = new promClient.Gauge({
-      name: `${prefix}up`,
+      name: prefix + upMetricName,
       help: '1 = up, 0 = not up',
       registers: [opts.promRegistry]
     });

types/index.d.ts

@@ -38,6 +38,7 @@ declare namespace express_prom_bundle {
 
     metricsPath?: string;
     httpDurationMetricName?: string;
+    upMetricName?: string;
     promClient?: { collectDefaultMetrics?: DefaultMetricsCollectorConfiguration<RegistryContentType> };
     promRegistry?: Registry;
     normalizePath?: NormalizePathEntry[] | NormalizePathFn;