gpt-engineer-app[bot]andrenee-png
ec09bdc3f0
Co-authored-by: renee-png <262607627+renee-png@users.noreply.github.com>
18 lines
843 B
TypeScript
18 lines
843 B
TypeScript
/**
|
|
* Prompts the user for a filename before download. Returns the chosen base
|
|
* name (without extension) sanitized for filesystem use, or null if cancelled.
|
|
*
|
|
* @param defaultName Suggested base name (no extension)
|
|
* @param ext Extension shown to the user, e.g. "pdf", "docx", "csv"
|
|
*/
|
|
export function promptFilename(defaultName: string, ext: string): string | null {
|
|
const sanitize = (s: string) => s.replace(/[\\/:*?"<>|]+/g, "_").trim();
|
|
const cleanDefault = sanitize(defaultName).replace(new RegExp(`\\.${ext}$`, "i"), "") || "Document";
|
|
const input = typeof window !== "undefined"
|
|
? window.prompt(`File name (.${ext})`, cleanDefault)
|
|
: cleanDefault;
|
|
if (input === null) return null; // user cancelled
|
|
const cleaned = sanitize(input).replace(new RegExp(`\\.${ext}$`, "i"), "");
|
|
return cleaned || cleanDefault;
|
|
}
|