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/**
* @param {Blob} o
* @returns {Promise<ArrayBuffer>}
*/
export const readAsArrayBuffer = (o) => new Promise((resolve, reject) => {
const fr = new FileReader();
fr.onload = () => resolve(fr.result);
fr.onerror = () => reject(new Error(`Cannot read as array buffer: ${fr.error}`));
fr.readAsArrayBuffer(o);
});
/**
* @param {Blob} o
* @returns {Promise<string>}
*/
export const readAsURL = (o) => new Promise((resolve, reject) => {
const fr = new FileReader();
fr.onload = () => resolve(fr.result);
fr.onerror = () => reject(new Error(`Cannot read as URL: ${fr.error}`));
fr.readAsDataURL(o);
});
/**
* @param {Blob} o
* @returns {Promise<string>}
*/
export const readAsText = (o) => new Promise((resolve, reject) => {
const fr = new FileReader();
fr.onload = () => resolve(fr.result);
fr.onerror = () => reject(new Error(`Cannot read as text: ${fr.error}`));
fr.readAsText(o);
});
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