Files
numolus/src/io/download.ts
T
2026-08-29 17:47:12 +02:00

30 lines
815 B
TypeScript

/** Trigger a client-side file download from a Blob. */
export function downloadBlob(filename: string, blob: Blob): void {
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = filename;
document.body.appendChild(a);
a.click();
a.remove();
// revoke on the next tick so the download has started
setTimeout(() => URL.revokeObjectURL(url), 1000);
}
export function downloadText(
filename: string,
text: string,
mime = 'text/plain;charset=utf-8',
): void {
downloadBlob(filename, new Blob([text], { type: mime }));
}
export function downloadDataUrl(filename: string, dataUrl: string): void {
const a = document.createElement('a');
a.href = dataUrl;
a.download = filename;
document.body.appendChild(a);
a.click();
a.remove();
}