From e338c982d2c271d96063f89336bb1007c509cf96 Mon Sep 17 00:00:00 2001
From: Lars Strojny <lars@strojny.net>
Date: Mon, 7 Nov 2022 22:41:52 +0100
Subject: [PATCH] Prometheus wants counter, not count

---
 src/prometheus.ts        | 2 +-
 tests/prometheus.test.ts | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/prometheus.ts b/src/prometheus.ts
index d9e618a..e54270b 100644
--- a/src/prometheus.ts
+++ b/src/prometheus.ts
@@ -50,7 +50,7 @@ export class MetricsRenderer {
     render(metric: Metric): string {
         const name = this.metricName(metric.name)
         return [
-            `# TYPE ${name} ${name.endsWith('_total') ? 'count' : 'gauge'}`,
+            `# TYPE ${name} ${name.endsWith('_total') ? 'counter' : 'gauge'}`,
             `${name}${this.renderLabels(metric.labels)} ${metric.value}${
                 metric.timestamp !== null ? ' ' + String(metric.timestamp.getTime()) : ''
             }`,
diff --git a/tests/prometheus.test.ts b/tests/prometheus.test.ts
index 79d8e2f..88a8d3c 100644
--- a/tests/prometheus.test.ts
+++ b/tests/prometheus.test.ts
@@ -37,7 +37,7 @@ prefix_metric{label="Some Label"} 0.000001 946684800000`,
                     new Metric(metricName, 42, new Date('2000-01-01 00:00:00 UTC'), { label: 'Some Label' }),
                 ),
             ).toEqual(
-                `# TYPE prefix_some_metric_total count
+                `# TYPE prefix_some_metric_total counter
 prefix_some_metric_total{label="Some Label"} 42 946684800000`,
             )
         }