https://github.com/maximemoreillon/elysia-prometheus-metrics

An Elysia.js middleware to export Prometheus metrics.
https://github.com/maximemoreillon/elysia-prometheus-metrics

bun elysia elysiajs middleware monitoring prometheus typescript

Last synced: 6 months ago
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An Elysia.js middleware to export Prometheus metrics.

• Host: GitHub
• URL: https://github.com/maximemoreillon/elysia-prometheus-metrics
• Owner: maximemoreillon
• License: mit
• Created: 2023-11-24T22:38:05.000Z (almost 2 years ago)
• Default Branch: master
• Last Pushed: 2024-06-02T23:34:35.000Z (over 1 year ago)
• Last Synced: 2025-04-04T00:12:40.357Z (7 months ago)
• Topics: bun, elysia, elysiajs, middleware, monitoring, prometheus, typescript
• Language: TypeScript
• Homepage:
• Size: 57.6 KB
• Stars: 10
• Watchers: 1
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# Elysia Prometheus metrics

[![coverage report](https://gitlab.com/moreillon_ci/moreillon_npm/elysia-prometheus-metrics/badges/master/coverage.svg)](https://gitlab.com/moreillon_ci/moreillon_npm/elysia-prometheus-metrics/-/commits/master)

An Elysia.js middleware to export Prometheus metrics. Is is intended as a replacement to the [express prometheus bundle](https://www.npmjs.com/package/express-prom-bundle) for Elysia, without relying on prom-client as Bun does not support the PerformanceObserver yet (As of november 2023). Currently, this middleware only provides the `http_request_duration_seconds` histogram.

## Installation

```

bun add elysia-prometheus-metrics

```

## Usage

```typescript

import { Elysia } from "elysia"

import metricsMiddleware from "elysia-prometheus-metrics"

const middlewareOptions = {}

new Elysia()

  .use(metricsMiddleware(middlewareOptions))

  .get("/", () => "Hello world")

  .listen(8080)

```