use metric constants

Author: AbhiPrasad

packages/core/src/metrics/exports.ts

@@ -3,6 +3,7 @@ import { logger } from '@sentry/utils';
 import type { BaseClient } from '../baseclient';
 import { DEBUG_BUILD } from '../debug-build';
 import { getCurrentHub } from '../hub';
+import { COUNTER_METRIC_TYPE, DISTRIBUTION_METRIC_TYPE, GAUGE_METRIC_TYPE, SET_METRIC_TYPE } from './constants';
 import type { MetricType } from './types';
 
 interface MetricData {
@@ -48,7 +49,7 @@ function addToMetricsAggregator(metricType: MetricType, name: string, value: num
  * @experimental This API is experimental and might having breaking changes in the future.
  */
 export function incr(name: string, value: number, data?: MetricData): void {
-  addToMetricsAggregator('c', name, value, data);
+  addToMetricsAggregator(COUNTER_METRIC_TYPE, name, value, data);
 }
 
 /**
@@ -57,7 +58,7 @@ export function incr(name: string, value: number, data?: MetricData): void {
  * @experimental This API is experimental and might having breaking changes in the future.
  */
 export function distribution(name: string, value: number, data?: MetricData): void {
-  addToMetricsAggregator('d', name, value, data);
+  addToMetricsAggregator(DISTRIBUTION_METRIC_TYPE, name, value, data);
 }
 
 /**
@@ -66,7 +67,7 @@ export function distribution(name: string, value: number, data?: MetricData): vo
  * @experimental This API is experimental and might having breaking changes in the future.
  */
 export function set(name: string, value: number, data?: MetricData): void {
-  addToMetricsAggregator('s', name, value, data);
+  addToMetricsAggregator(SET_METRIC_TYPE, name, value, data);
 }
 
 /**
@@ -75,5 +76,5 @@ export function set(name: string, value: number, data?: MetricData): void {
  * @experimental This API is experimental and might having breaking changes in the future.
  */
 export function gauge(name: string, value: number, data?: MetricData): void {
-  addToMetricsAggregator('s', name, value, data);
+  addToMetricsAggregator(GAUGE_METRIC_TYPE, name, value, data);
 }

packages/core/src/metrics/instance.ts

@@ -1,3 +1,5 @@
+import { COUNTER_METRIC_TYPE, DISTRIBUTION_METRIC_TYPE, GAUGE_METRIC_TYPE, SET_METRIC_TYPE } from './constants';
+
 interface MetricInstance {
   add(value: number): void;
   toString(): string;
@@ -99,8 +101,8 @@ export class SetMetric implements MetricInstance {
 export type Metric = CounterMetric | GaugeMetric | DistributionMetric | SetMetric;
 
 export const METRIC_MAP = {
-  c: CounterMetric,
-  g: GaugeMetric,
-  d: DistributionMetric,
-  s: SetMetric,
+  [COUNTER_METRIC_TYPE]: CounterMetric,
+  [GAUGE_METRIC_TYPE]: GaugeMetric,
+  [DISTRIBUTION_METRIC_TYPE]: DistributionMetric,
+  [SET_METRIC_TYPE]: SetMetric,
 };

packages/core/src/metrics/types.ts

@@ -1,6 +1,5 @@
 import type { MeasurementUnit, Primitive } from '@sentry/types';
 import type { COUNTER_METRIC_TYPE, DISTRIBUTION_METRIC_TYPE, GAUGE_METRIC_TYPE, SET_METRIC_TYPE } from './constants';
-import { Metric } from './instance';
 
 export type MetricType =
   | typeof COUNTER_METRIC_TYPE