export class Unsubs {
    private fns: (() => void)[] = [];

    public add(fn: () => void): this {
        this.fns.push(fn);
        return this;
    }

    public unsub(): this {
        this.fns.forEach((unsub) => unsub());
        return this;
    }

    public clear(): this {
        this.fns = [];
        return this;
    }
}