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tnightingale/util.js

Created November 25, 2015 22:46
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util.js
/**
* TODO: Need to add error handling and then submit pull request to 'blob-util'
* library.
*/
export function objectURLToBlob(url) {
return new Promise((resolve, reject) => {
let xhr = new XMLHttpRequest();
xhr.open('GET', url, true);
xhr.responseType = 'blob';
xhr.onreadystatechange = () => {
if (xhr.DONE !== xhr.readyState) return;
resolve(xhr.response);
}
xhr.send();
});
}
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