Download blob

downloadBlob.ts

export const downloadBlob = (blob: Blob, filename?: string) => {
    if (!blob) return;

    const blobURL = window.URL.createObjectURL(blob);

    if (filename) {
        const a = document.createElement('a');

        if (blob.type !== 'application/pdf') {
            a.download = filename;
        }

        a.href = blobURL;
        a.target = '_blank';
        document.body.appendChild(a);
        a.click();
        return document.body.removeChild(a);
    }

    window.open(blobURL);
};