Update package versions for node 18

src/service/WebsocketServer.ts

@@ -68,7 +68,7 @@ export class WebsocketServer extends Unit {
 
         // Start the websocket server
         this.logging.info('Starting WebSocket server...')
-        this.server = new WebSocket.Server<WebSocket.WebSocket>({
+        this.server = new WebSocket.Server<typeof WebSocket.WebSocket>({
             server: this.http.getServer(),
         })
 

src/util/support/types.ts

@@ -45,7 +45,7 @@ export type ParameterizedCallback<T> = ((arg: T) => any)
 export type KeyValue<T> = {key: string, value: T}
 
 /** Simple helper method to verify that a key is a keyof some object. */
-export function isKeyof<T>(key: unknown, obj: T): key is keyof T {
+export function isKeyof<T extends object>(key: unknown, obj: T): key is keyof T {
     if ( typeof key !== 'string' && typeof key !== 'symbol' ) {
         return false
     }