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/**
* 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
*/
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;
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