Remove unused code

src/utils/event.ts

@@ -1,52 +0,0 @@
-export class Event {
-	constructor(
-		public readonly type: string,
-		public readonly payload: Record<string, any> = {}
-	) {}
-
-	public toString(): string {
-		return `Event(type: ${this.type}, payload: ${JSON.stringify(
-			this.payload
-		)})`;
-	}
-}
-
-export type Constructor = new (...args: any[]) => any;
-
-export let EventEmitter = <T extends Constructor>(Base: T) =>
-	class extends Base {
-		private listeners: Record<string, ((event: Event) => void)[]> = {};
-
-		public on(eventType: string, listener: (event: Event) => void): void {
-			if (!this.listeners[eventType]) {
-				this.listeners[eventType] = [];
-			}
-			this.listeners[eventType].push(listener);
-		}
-
-		public off(eventType: string, listener: (event: Event) => void): void {
-			if (!this.listeners[eventType]) return;
-
-			this.listeners[eventType] = this.listeners[eventType].filter(
-				(l) => l !== listener
-			);
-		}
-
-		public once(eventType: string, listener: (event: Event) => void): void {
-			const onceListener = (event: Event) => {
-				listener(event);
-				this.off(eventType, onceListener);
-			};
-
-			this.on(eventType, onceListener);
-		}
-
-		public emit(event: Event): void {
-			const listeners = this.listeners[event.type];
-			if (listeners) {
-				for (const listener of listeners) {
-					listener(event);
-				}
-			}
-		}
-	};

src/utils/flatten.ts

@@ -1,21 +0,0 @@
-export function flatten(
-	obj: Record<string, any>,
-	prefix = ""
-): Record<string, any> {
-	return Object.keys(obj).reduce((acc, key) => {
-		const value = obj[key];
-		const newKey = prefix ? `${prefix}.${key}` : key;
-
-		if (
-			typeof value === "object" &&
-			value !== null &&
-			!Array.isArray(value)
-		) {
-			Object.assign(acc, flatten(value, newKey));
-		} else {
-			acc[newKey] = value;
-		}
-
-		return acc;
-	}, {} as Record<string, any>);
-}