// eslint-disable-next-line @typescript-eslint/no-explicit-any
export class Stack<TData = any> {
	public _stack: TData[] = [];

	constructor() {
		this._stack = [];
	}

	push(...args: TData[]) {
		this._stack.push(...args);
	}

	// remove an item from the top of the stack
	pop(): TData | null {
		return this._stack.pop() ?? null;
	}

	stack(): TData[] {
		return this._stack;
	}

	next(): TData | null {
		const len = this.size();
		if (!len) {
			return null;
		}

		return this._stack[len - 1];
	}

	// return the number of items in the stack
	size(): number {
		return this._stack.length;
	}
}