lib: remove metric report format output

Author: Qard

doc/api/metrics.md

@@ -227,62 +227,6 @@ added: REPLACEME
 The `performance.now()` timestamp when the measurement was recorded in
 milliseconds since `performance.timeOrigin`.
 
-#### `metricReport.toStatsd()`
-
-<!-- YAML
-added: REPLACEME
--->
-
-* Returns: {string}
-
-Formats the metric report as a StatsD-compatible string.
-
-```js
-console.log(report.toStatsd()); // 'api.calls:1|c'
-```
-
-#### `metricReport.toDogStatsd()`
-
-<!-- YAML
-added: REPLACEME
--->
-
-* Returns: {string}
-
-Formats the metric report as a DogStatsD-compatible string with tags.
-
-```js
-console.log(report.toDogStatsd()); // 'api.calls:1|c|service:web'
-```
-
-#### `metricReport.toGraphite()`
-
-<!-- YAML
-added: REPLACEME
--->
-
-* Returns: {string}
-
-Formats the metric report as a Graphite-compatible string.
-
-```js
-console.log(report.toGraphite()); // 'api.calls 1 1234567890'
-```
-
-#### `metricReport.toPrometheus()`
-
-<!-- YAML
-added: REPLACEME
--->
-
-* Returns: {string}
-
-Formats the metric report as a Prometheus-compatible string.
-
-```js
-console.log(report.toPrometheus()); // 'api_calls{service="web"} 1 1234567890.123'
-```
-
 ### Class: `Metric`
 
 <!-- YAML

lib/metrics.js

@@ -120,83 +120,6 @@ class MetricReport {
   get time() {
     return this.#time;
   }
-
-  /**
-   * Convert the metric report to a statsd-compatible string.
-   * @returns {string} The statsd-formatted metric report.
-   */
-  toStatsd() {
-    const { type, name, value } = this;
-    return `${name}:${value}|${this.#statsdType(type)}`;
-  }
-
-  /*
-   * Convert the metric type to a statsd type.
-   *
-   * @param {string} type The metric type.
-   * @returns {string} The statsd type.
-   * @private
-   */
-  #statsdType(type) {
-    return {
-      counter: 'c',
-      gauge: 'g',
-      pullGauge: 'g',
-      timer: 'ms',
-    }[type];
-  }
-
-  /**
-   * Convert the metric report to a Dogstatsd-compatible string.
-   * @returns {string} The Dogstatsd-formatted metric report.
-   */
-  toDogStatsd() {
-    return `${this.toStatsd()}${this.#dogstatsdTags()}`;
-  }
-
-  /*
-   * Pack metadata into Dogstatsd-compatible tags.
-   *
-   * @returns {string} The packed metadata.
-   * @private
-   */
-  #dogstatsdTags() {
-    const entries = ObjectEntries(this.meta);
-    const pairs = ArrayPrototypeMap(entries, ({ 0: k, 1: v }) => `${k}:${v}`);
-    const tags = ArrayPrototypeJoin(pairs, ',');
-    return tags.length ? `|${tags}` : '';
-  }
-
-  /**
-   * Convert the metric report to a graphite-compatible string.
-   * @returns {string} The graphite-formatted metric report.
-   */
-  toGraphite() {
-    const { name, value, time } = this;
-    return `${name} ${value} ${MathFloor(time / 1000)}`;
-  }
-
-  /**
-   * Convert the metric report to a Prometheus-compatible string.
-   * @returns {string} The Prometheus-formatted metric report.
-   */
-  toPrometheus() {
-    const { name, value, time } = this;
-    return `${name}${this.#prometheusLabels()} ${value} ${time}`;
-  }
-
-  /*
-   * Pack metadata into Prometheus-compatible labels.
-   *
-   * @returns {string} The packed metadata.
-   * @private
-   */
-  #prometheusLabels() {
-    const entries = ObjectEntries(this.meta);
-    const pairs = ArrayPrototypeMap(entries, ({ 0: k, 1: v }) => `${k}="${v}"`);
-    const labels = ArrayPrototypeJoin(pairs, ',');
-    return labels.length ? `{${labels}}` : '';
-  }
 }
 
 /**

test/parallel/test-metrics-metric-report.js

@@ -15,17 +15,3 @@ assert.strictEqual(report.name, 'test-counter');
 assert.strictEqual(report.value, 123);
 assert.deepStrictEqual(report.meta, { meta: 'test' });
 assert.ok(report.time > 0);
-
-assert.strictEqual(report.toStatsd(), 'test-counter:123|c');
-assert.strictEqual(
-  report.toPrometheus(),
-  `test-counter{meta="test"} 123 ${report.time}`
-);
-assert.strictEqual(
-  report.toDogStatsd(),
-  'test-counter:123|c|meta:test'
-);
-assert.strictEqual(
-  report.toGraphite(),
-  `test-counter 123 ${Math.floor(report.time / 1000)}`
-);