src/lib/upload.js


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export const upload = async (file, type, progress, token) => {
	let url = `/api/upload/${type}`;
	let formData = new FormData();
	formData.append('file', file);

	return new Promise((resolve, reject) => {
		let ajax = new XMLHttpRequest();
		ajax.addEventListener('load', () => {
			if (ajax.readyState === ajax.DONE) {
				if (ajax.status === 200) resolve(ajax.response);
				else reject(new Error(`Upload failed: ${ajax.response}`));
			}
		});
		ajax.upload.addEventListener('progress', progress, false);
		ajax.open('POST', url);
		ajax.setRequestHeader('Authorization', `Bearer ${token}`);
		ajax.send(formData);
	});
};