feat: add event emitter

adonis-typings/event.ts

@@ -0,0 +1,26 @@
+/*
+* @adonisjs/core
+*
+* (c) Harminder Virk <virk@adonisjs.com>
+*
+* For the full copyright and license information, please view the LICENSE
+* file that was distributed with this source code.
+*/
+
+/**
+ * The binding for the given module is defined inside `providers/AppProvider.ts`
+ * file.
+ */
+declare module '@ioc:Adonis/Core/Events' {
+  import { EmitterContract as BaseContract } from '@poppinss/events'
+
+  const Event: EmitterContract<EventsMap>
+
+  /**
+   * Module exports
+   */
+  export interface EmitterContract<T extends any> extends BaseContract<T> {}
+  export interface EventsMap {}
+
+  export default Event
+}

package.json

@@ -80,6 +80,7 @@
     "@poppinss/application": "^1.0.2",
     "@poppinss/config": "^1.0.4",
     "@poppinss/env": "^1.0.4",
+    "@poppinss/events": "^1.0.0",
     "@poppinss/http-server": "^1.1.3",
     "@poppinss/logger": "^1.0.5",
     "@poppinss/request": "^1.0.8",

providers/AppProvider.ts

@@ -15,6 +15,7 @@ import { Response } from '@poppinss/response'
 import { getLogger } from '@poppinss/logger'
 import { requireAll } from '@poppinss/utils'
 import { ApplicationContract } from '@poppinss/application'
+import { Emitter } from '@poppinss/events'
 import { Server, HttpContext, MiddlewareStore, Router, routePreProcessor } from '@poppinss/http-server'
 
 import { HttpExceptionHandler } from '../src/HttpExceptionHandler'
@@ -116,6 +117,15 @@ export default class AppProvider {
     this.$container.bind('Adonis/Core/HttpExceptionHandler', () => HttpExceptionHandler)
   }
 
+  /**
+   * Register `Event emitter` to the container.
+   */
+  protected $registerEmitter () {
+    this.$container.singleton('Adonis/Core/Event', () => {
+      return new Emitter()
+    })
+  }
+
   /**
    * Registering all required bindings to the container
    */
@@ -128,5 +138,6 @@ export default class AppProvider {
     this.$registerMiddlewareStore()
     this.$registerHttpServer()
     this.$registerHttpExceptionHandler()
+    this.$registerEmitter()
   }
 }