Better type control + pnpm (#178)

lgtm

.gitignore

@@ -5,6 +5,7 @@
 node_modules/
 dist/
 package-lock.json
+pnpm-lock.yaml
 yarn.lock
 yarn-debug.log*
 yarn-error.log*

src/Shoukaku.ts

@@ -96,56 +96,48 @@ export interface VoiceChannelOptions {
     mute?: boolean;
 }
 
-export declare interface Shoukaku {
+export interface ShoukakuEvents {
     /**
      * Emitted when reconnect tries are occurring and how many tries are left
      * @eventProperty
      */
-    on(event: 'reconnecting', listener: (name: string, reconnectsLeft: number, reconnectInterval: number) => void): this;
+    'reconnecting': [name: string, reconnectsLeft: number, reconnectInterval: number];
     /**
      * Emitted when data useful for debugging is produced
      * @eventProperty
      */
-    on(event: 'debug', listener: (name: string, info: string) => void): this;
+    'debug': [name: string, info: string];
     /**
      * Emitted when an error occurs
      * @eventProperty
      */
-    on(event: 'error', listener: (name: string, error: Error) => void): this;
+    'error': [name: string, error: Error];
     /**
      * Emitted when Shoukaku is ready to receive operations
      * @eventProperty
      */
-    on(event: 'ready', listener: (name: string, reconnected: boolean) => void): this;
+    'ready': [name: string, reconnected: boolean];
     /**
      * Emitted when a websocket connection to Lavalink closes
      * @eventProperty
      */
-    on(event: 'close', listener: (name: string, code: number, reason: string) => void): this;
+    'close': [name: string, code: number, reason: string];
     /**
      * Emitted when a websocket connection to Lavalink disconnects
      * @eventProperty
      */
-    on(event: 'disconnect', listener: (name: string, count: number) => void): this;
+    'disconnect': [name: string, count: number];
     /**
      * Emitted when a raw message is received from Lavalink
      * @eventProperty
      */
-    on(event: 'raw', listener: (name: string, json: unknown) => void): this;
-    once(event: 'reconnecting', listener: (name: string, reconnectsLeft: number, reconnectInterval: number) => void): this;
-    once(event: 'debug', listener: (name: string, info: string) => void): this;
-    once(event: 'error', listener: (name: string, error: Error) => void): this;
-    once(event: 'ready', listener: (name: string, reconnected: boolean) => void): this;
-    once(event: 'close', listener: (name: string, code: number, reason: string) => void): this;
-    once(event: 'disconnect', listener: (name: string, count: number) => void): this;
-    once(event: 'raw', listener: (name: string, json: unknown) => void): this;
-    off(event: 'reconnecting', listener: (name: string, reconnectsLeft: number, reconnectInterval: number) => void): this;
-    off(event: 'debug', listener: (name: string, info: string) => void): this;
-    off(event: 'error', listener: (name: string, error: Error) => void): this;
-    off(event: 'ready', listener: (name: string, reconnected: boolean) => void): this;
-    off(event: 'close', listener: (name: string, code: number, reason: string) => void): this;
-    off(event: 'disconnect', listener: (name: string, count: number) => void): this;
-    off(event: 'raw', listener: (name: string, json: unknown) => void): this;
+    'raw': [name: string, json: unknown];
+}
+
+export declare interface Shoukaku {
+    on<K extends keyof ShoukakuEvents>(event: K, listener: (...args: ShoukakuEvents[K]) => void): this;
+    once<K extends keyof ShoukakuEvents>(event: K, listener: (...args: ShoukakuEvents[K]) => void): this;
+    off<K extends keyof ShoukakuEvents>(event: K, listener: (...args: ShoukakuEvents[K]) => void): this;
 }
 
 /**

src/guild/Player.ts

@@ -122,56 +122,48 @@ export interface FilterOptions {
     lowPass?: LowPassSettings|null;
 }
 
-export declare interface Player {
+export interface PlayerEvents {
     /**
      * Emitted when the current playing track ends
      * @eventProperty
      */
-    on(event: 'end', listener: (reason: TrackEndEvent) => void): this;
+    'end': [reason: TrackEndEvent];
     /**
      * Emitted when the current playing track gets stuck due to an error
      * @eventProperty
      */
-    on(event: 'stuck', listener: (data: TrackStuckEvent) => void): this;
+    'stuck': [data: TrackStuckEvent];
     /**
      * Emitted when the current websocket connection is closed
      * @eventProperty
      */
-    on(event: 'closed', listener: (reason: WebSocketClosedEvent) => void): this;
+    'closed': [reason: WebSocketClosedEvent];
     /**
      * Emitted when a new track starts
      * @eventProperty
      */
-    on(event: 'start', listener: (data: TrackStartEvent) => void): this;
+    'start': [data: TrackStartEvent];
     /**
      * Emitted when there is an error caused by the current playing track
      * @eventProperty
      */
-    on(event: 'exception', listener: (reason: TrackExceptionEvent) => void): this;
+    'exception': [reason: TrackExceptionEvent];
     /**
      * Emitted when the library manages to resume the player
      * @eventProperty
      */
-    on(event: 'resumed', listener: (player: Player) => void): this;
+    'resumed': [player: Player];
     /**
      * Emitted when a playerUpdate even is received from Lavalink
      * @eventProperty
      */
-    on(event: 'update', listener: (data: PlayerUpdate) => void): this;
-    once(event: 'end', listener: (reason: TrackEndEvent) => void): this;
-    once(event: 'stuck', listener: (data: TrackStuckEvent) => void): this;
-    once(event: 'closed', listener: (reason: WebSocketClosedEvent) => void): this;
-    once(event: 'start', listener: (data: TrackStartEvent) => void): this;
-    once(event: 'exception', listener: (reason: TrackExceptionEvent) => void): this;
-    once(event: 'resumed', listener: (player: Player) => void): this;
-    once(event: 'update', listener: (data: PlayerUpdate) => void): this;
-    off(event: 'end', listener: (reason: TrackEndEvent) => void): this;
-    off(event: 'stuck', listener: (data: TrackStuckEvent) => void): this;
-    off(event: 'closed', listener: (reason: WebSocketClosedEvent) => void): this;
-    off(event: 'start', listener: (data: TrackStartEvent) => void): this;
-    off(event: 'exception', listener: (reason: TrackExceptionEvent) => void): this;
-    off(event: 'resumed', listener: (player: Player) => void): this;
-    off(event: 'update', listener: (data: PlayerUpdate) => void): this;
+    'update': [data: PlayerUpdate];
+}
+
+export declare interface Player {
+    on<K extends keyof PlayerEvents>(event: K, listener: (...args: PlayerEvents[K]) => void): this;
+    once<K extends keyof PlayerEvents>(event: K, listener: (...args: PlayerEvents[K]) => void): this;
+    off<K extends keyof PlayerEvents>(event: K, listener: (...args: PlayerEvents[K]) => void): this;
 }
 
 /**