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// Yoinked from https://web.dev/patterns/files/save-a-file/ for the polyfill
export default async function saveFile(blob: ArrayBuffer, suggestedName: string | undefined) {
const supportsFSAccess = 'showSaveFilePicker' in window &&
(() => {
try {
return window.self === window.top;
} catch {
return false;
}
})();
if (supportsFSAccess) {
try {
const handle = await window.showSaveFilePicker({
suggestedName: suggestedName,
})
const writable = await handle.createWritable();
await writable.write(blob);
await writable.close();
} catch (err: unknown) {
// TypeScript
if ((err as Error)?.name !== 'AbortError') {
console.error(err);
}
}
} else {
const anchor = document.createElement('a');
anchor.download = suggestedName ?? 'truncated';
anchor.href = URL.createObjectURL(new Blob([blob]));
anchor.click();
}
}
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