// Utility to proxy external images through the Next.js API (relative URL)
export function getProxiedImageUrl(src: string): string {
if (!src) return '';
// If src starts with /, it's local
if (src.startsWith('/')) return src;
// Otherwise, proxy it
return `/api/image-proxy?url=${encodeURIComponent(src)}`;
}
/**
* Returns an absolute proxied image URL if USE_IMAGE_PROXY is true (production),
* otherwise returns the original src (for local dev/testing).
* PUBLIC_HOST is only used if USE_IMAGE_PROXY is true and set.
*/
export function getAbsoluteProxiedImageUrl(request: { headers: { get: (key: string) => string | null } }, src: string): string {
if (process.env.USE_IMAGE_PROXY === 'false') {
return src;
}
const proxied = getProxiedImageUrl(src);
if (proxied.startsWith('http')) return proxied; // Already absolute
const publicHost = process.env.PUBLIC_HOST;
if (publicHost) {
return `${publicHost}${proxied}`;
}
const host = request.headers.get('host');
const protocol = request.headers.get('x-forwarded-proto') || 'http';
return `${protocol}://${host}${proxied}`;
}
