refactor: move from service to provider

README.md

@@ -2,7 +2,7 @@
 
 <img align="right" width="95" height="148" title="NestJS logotype" src="https://nestjs.com/img/logo-small.svg"  alt='Nest.JS logo'/>
 
-Hot-shots Module for Nest.js Framework. A Node.js client for Etsy's StatsD server, Datadog's DogStatsD server, and InfluxDB's Telegraf
+Hot-shots Module for Nest.js Framework. A Node.js client for [Etsy](http://etsy.com)'s [StatsD](https://github.com/statsd/statsd) server, Datadog's [DogStatsD](https://docs.datadoghq.com/developers/dogstatsd/?tab=hostagent) server, and [InfluxDB's](https://github.com/influxdata/telegraf) Telegraf
 StatsD server.
 
 **Feature**
@@ -47,15 +47,15 @@ export class AppModule {
 }
 ```
 
-Then inject `HotShotsService` for use `hot-shots`:
+Then inject `StatsD` provider for use `hot-shots`:
 
 ```typescript
 import { Injectable } from '@nestjs/common';
-import { HotShotsService } from 'nestjs-hot-shots';
+import { StatsD } from 'hot-shots';
 
 @Injectable()
 export class AppMetrics {
-    public constructor(private readonly metrics: HotShotsService) {
+    public constructor(private readonly metrics: StatsD) {
     }
 
     public metricStuff() {

src/hot-shots.constants.ts

@@ -1 +1 @@
-export const MODULE_OPTIONS = 'hot-shots:module-options';
+export const HOT_SHOTS_MODULE_OPTIONS = 'hot-shots:module-options';

src/hot-shots.module.ts

@@ -4,31 +4,42 @@ import {
 	HotShotsModuleOptions,
 	HotShotsOptionsFactory
 } from './hot-shots-options.interface';
-import { MODULE_OPTIONS } from './hot-shots.constants';
-import { HotShotsService } from './hot-shots.service';
+import { HOT_SHOTS_MODULE_OPTIONS } from './hot-shots.constants';
+import { StatsD } from 'hot-shots';
 
-@Module({
-	providers: [HotShotsService],
-	exports: [HotShotsService]
-})
+@Module({})
 export class HotShotsModule {
 	public static forRoot(options: HotShotsModuleOptions): DynamicModule {
+		const StatsDProvider: Provider<StatsD> = {
+			provide: StatsD,
+			useValue: new StatsD(options)
+		};
+
 		return {
 			module: HotShotsModule,
 			providers: [
 				{
-					provide: MODULE_OPTIONS,
+					provide: HOT_SHOTS_MODULE_OPTIONS,
 					useValue: options
-				}
-			]
+				},
+				StatsDProvider
+			],
+			exports: [StatsDProvider]
 		};
 	}
 
 	public static forRootAsync(options: HotShotsModuleAsyncOptions): DynamicModule {
+		const StatsDFactoryProvider: Provider<StatsD> = {
+			provide: StatsD,
+			useFactory: (options: HotShotsModuleOptions) => new StatsD(options),
+			inject: [HOT_SHOTS_MODULE_OPTIONS]
+		};
+
 		return {
 			module: HotShotsModule,
 			imports: options.imports,
-			providers: this.createAsyncProviders(options)
+			providers: this.createAsyncProviders(options).concat(StatsDFactoryProvider),
+			exports: [StatsDFactoryProvider]
 		};
 	}
 
@@ -49,14 +60,14 @@ export class HotShotsModule {
 	private static createAsyncOptionsProvider(options: HotShotsModuleAsyncOptions): Provider {
 		if (options.useFactory) {
 			return {
-				provide: MODULE_OPTIONS,
+				provide: HOT_SHOTS_MODULE_OPTIONS,
 				useFactory: async (...args: any[]) => await options.useFactory(...args),
 				inject: options.inject || []
 			};
 		}
 
 		return {
-			provide: MODULE_OPTIONS,
+			provide: HOT_SHOTS_MODULE_OPTIONS,
 			useFactory: async (optionsFactory: HotShotsOptionsFactory) =>
 				await optionsFactory.createHotShotsOptions(),
 			inject: [options.useExisting || options.useClass]

src/index.ts

@@ -1,2 +1 @@
 export * from './hot-shots.module';
-export * from './hot-shots.service';