/**
 * Make a GET request for a specific URI.
 * @param {string} url the URI to be requested
 * @returns response data
 * @throws {Error} if status code is not 2xx, or a network error occurs
 */
export async function requestBuffer(url) {
    return new Promise((resolve, reject) => {
        const xhr = new XMLHttpRequest();
        xhr.responseType = 'arraybuffer';
        xhr.addEventListener('error', () => {
            const err = new Error(`Request for ${url} failed: ${xhr.statusText}`);
            err.code = xhr.status;
            reject(err);
        });
        xhr.addEventListener('abort', () => {
            const err = new Error(`Request for ${url} was aborted!`);
            err.code = xhr.status;
            reject(err);
        });
        xhr.addEventListener('load', () => {
            if (xhr.status < 200 || xhr.status >= 300) {
                const err = new Error(`Request for ${url} failed with status code ${xhr.status}`);
                err.code = xhr.status;
                reject(err);
            } else {
                resolve(xhr.response);
            }
        });
        xhr.open('GET', url, true);
        xhr.send();
    });
}

/**
 * Make a GET request for a specific URI.
 * @param {string} url the URI to be requested
 * @returns response data
 * @throws {Error} if status code is not 2xx, or a network error occurs
 */
export const request = async (url) => new Promise((resolve, reject) => {
    const xhr = new XMLHttpRequest();
    xhr.responseType = 'text';
    xhr.addEventListener('error', () => {
        const err = new Error(`Request for ${url} failed: ${xhr.statusText}`);
        err.code = xhr.status;
        reject(err);
    });
    xhr.addEventListener('abort', () => {
        const err = new Error(`Request for ${url} was aborted!`);
        err.code = xhr.status;
        reject(err);
    });
    xhr.addEventListener('load', () => {
        if (xhr.status < 200 || xhr.status >= 300) {
            const err = new Error(`Request for ${url} failed with status code ${xhr.status}`);
            err.code = xhr.status;
            reject(err);
        } else {
            resolve(xhr.response);
        }
    });
    xhr.open('GET', url, true);
    xhr.send();
});
export default request;