TS/JS helpers

helper.ts

export const wait = (delay) => new Promise((resolve) => setTimeout(resolve, delay));

export const retry = async (operation: () => Promise<unknown>, options: any = {}) => {
    const { retries, delay, onError = () => {} } = options;

    return operation()
        .catch((err) => {
            if (retries > 0) {
                onError(err, retries);
                return wait(delay).then(() => retry(operation, { ...options, retries: retries - 1 }));
            } else {
                throw err;
            }
        });
};