refactor: use eventemitter3

Author: sxzz

package.json

@@ -47,6 +47,7 @@
     "prepublishOnly": "npm run build"
   },
   "dependencies": {
+    "eventemitter3": "^4.0.7",
     "ky": "^0.30.0",
     "node-fetch": "3.2.3"
   },

pnpm-lock.yaml

@@ -1,4 +1,5 @@
 import { HTTPError } from 'ky'
+import { EventEmitter } from 'eventemitter3'
 import { resolveApiConfig } from '../request'
 import { ApiClient } from '../api-client'
 import { objectPick } from '../utils/objects'
@@ -18,17 +19,14 @@ import type { ApiConfig, ApiConfigResolved } from '../request'
 
 type FollowingUpdatesMoreKey = PersonalUpdate.FollowingUpdatesResponseMoreKey
 
-interface Events {
-  onRenewToken: (accessToken: string, refreshToken: string) => void
+interface EventMap {
+  renewToken: () => void
 }
 
-export class JikeClient {
+export class JikeClient extends EventEmitter<EventMap> {
   #refreshToken: string
   #config: ApiConfigResolved
   #client!: Api
-  #listener: {
-    [K in keyof Events]?: Set<Events[K]>
-  } = {}
 
   get accessToken() {
     return this.#config.accessToken
@@ -55,6 +53,8 @@ export class JikeClient {
     refreshToken = '',
     ...config
   }: ApiConfig & { refreshToken?: string }) {
+    super()
+
     this.#refreshToken = refreshToken
     this.#config = resolveApiConfig(config)
     this.createClient()
@@ -274,17 +274,7 @@ export class JikeClient {
       result.data[`x-${this.#config.endpointId}-refresh-token`]
     this.accessToken = result.data[`x-${this.#config.endpointId}-access-token`]
 
-    this.#triggerListener('onRenewToken', [this.accessToken, this.refreshToken])
-  }
-
-  #triggerListener<T extends keyof Events>(
-    type: T,
-    args: Parameters<Events[T]>
-  ) {
-    const listeners = this.#listener[type]
-    for (const listener of listeners ?? new Set()) {
-      listener.apply(this, args)
-    }
+    this.emit('renewToken')
   }
 
   /**
@@ -344,12 +334,6 @@ export class JikeClient {
     const json: JikeClientJSON = JSON.parse(data)
     return this.fromJSON(json)
   }
-
-  // TODO: use Event Emitter
-  addEventListener<T extends keyof Events>(type: T, listener: Events[T]) {
-    this.#listener[type] ||= new Set()
-    this.#listener[type]!.add(listener)
-  }
 }
 
 export interface JikeClientJSON extends Omit<ApiConfigResolved, 'beforeRetry'> {