[rbdr/forum] / src / lib / utils / resolve_after.ts

export type ResolveAfterPromise = {
        counter: () => void;
        promise: Promise<void>;
};

export const resolveAfter = function (timesUntilResolve: number): ResolveAfterPromise {
        let counter = null;
        let currentValue = 0;

        if (timesUntilResolve <= 0) {
                throw new Error('Resolve after requires a positive integer');
        }

        const promise: Promise<void> = new Promise((resolvePromise) => {
                counter = () => {
                        if (++currentValue === timesUntilResolve) {
                                resolvePromise();
                        }
                };
        });

        return {
                counter,
                promise
        };
};