All files / utils downloadBlob.ts

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
// src/utils/downloadBlob.ts
//
// Trigger a browser "save as" for an in-memory blob. Used by the document
// download flows where the file is fetched as a blob (the backend forces
// Content-Disposition: attachment) and then handed to the browser.
export function downloadBlob(blob: Blob, filename: string): void {
	const objectUrl = URL.createObjectURL(blob);
	const anchor = document.createElement('a');
	anchor.href = objectUrl;
	anchor.download = filename;
	document.body.appendChild(anchor);
	anchor.click();
	document.body.removeChild(anchor);
	URL.revokeObjectURL(objectUrl);
}