rescursive-fetch.js

function fetchResource(url, interval = 500, i = 1) {
    let attempts = 0;
    
    return new Promise((resolve, reject) => {
        const repeat = setInterval(() => {
            fetch(url)
                .then(response => {
                    if (response.ok) {
                        resolve(response);
                        clearInterval(repeat);                        
                    } else {
                        throw new Error(response);
                    }
                })
                .catch(error => {
                    if (attempts < i) {
                        attempts += 1;
                    } else {
                        reject(error);
                        clearInterval(repeat);
                    }
                });
        }, interval);
    });
}