redirectBack method
Redirects the client back to the referring URL.
If the Referer header is missing or invalid, the request is redirected
to the home page instead.
Example:
request.redirectBack();
Implementation
void redirectBack() {
try {
final referer = headers.value(HttpHeaders.refererHeader);
response.redirect(Uri.parse(referer!));
} catch (e) {
redirectHome();
}
}