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file reader with promise

Lucas Juan answered on February 4, 2022 Popularity 6/10 Helpfulness 3/10

answer file reader with promise

file reader with promise

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export const fileReader = (file: File) => {
    const reader = new FileReader();

    if(!file) return;

    return new Promise((resolve, reject) => {
        reader.onerror = () => {
            reader.abort();
            reject(new DOMException("Problem parsing input file."));
        }

        reader.readAsDataURL(file);
        reader.onload = (e) => {
            resolve(e.target?.result);
        }
    })
}

Popularity 6/10 Helpfulness 3/10 Language typescript

Source: Grepper

Tags: promise typescript

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Contributed on Feb 04 2022

Lucas Juan

0 Answers Avg Quality 2/10

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