wehub-resource-sync
60 lines
2.0 KiB
TypeScript
60 lines
2.0 KiB
TypeScript
import { NextRequest, NextResponse } from 'next/server';
|
|
|
|
/**
|
|
* Convert kebab-case to camelCase
|
|
*/
|
|
function kebabToCamel(str: string): string {
|
|
return str.replace(/-([a-z])/g, (_, letter) => letter.toUpperCase());
|
|
}
|
|
|
|
/**
|
|
* Proxy handles:
|
|
* 1. Markdown content negotiation for AI agents (Accept: text/markdown)
|
|
* 2. Redirects for old Fern API reference URLs (kebab-case → camelCase)
|
|
* 3. Sets x-pathname header for 404 logging
|
|
*/
|
|
export function proxy(request: NextRequest) {
|
|
const { pathname } = request.nextUrl;
|
|
const accept = request.headers.get('accept') || '';
|
|
|
|
// Handle markdown content negotiation for AI agents
|
|
if (accept.includes('text/markdown') || accept.includes('text/plain')) {
|
|
const mdUrl = new URL(`/llms.mdx${pathname}`, request.nextUrl.origin);
|
|
return NextResponse.rewrite(mdUrl);
|
|
}
|
|
|
|
// Handle old Fern API reference URLs (kebab-case → camelCase)
|
|
// v3.1: /reference/api-reference/{tag}/{operationId}
|
|
// v3.0: /reference/v3/api-reference/{tag}/{operationId}
|
|
const apiRefPrefix = pathname.startsWith('/reference/v3/api-reference/')
|
|
? '/reference/v3/api-reference/'
|
|
: pathname.startsWith('/reference/api-reference/')
|
|
? '/reference/api-reference/'
|
|
: null;
|
|
|
|
if (apiRefPrefix) {
|
|
const rest = pathname.slice(apiRefPrefix.length);
|
|
const segments = rest.split('/');
|
|
// segments[0] = tag, segments[1+] = operationId parts — only camelCase the operationId
|
|
const newSegments = segments.map((segment, index) => {
|
|
if (index === 0) return segment; // keep tag as-is
|
|
return kebabToCamel(segment);
|
|
});
|
|
|
|
const newPathname = apiRefPrefix + newSegments.join('/');
|
|
if (newPathname !== pathname) {
|
|
const url = request.nextUrl.clone();
|
|
url.pathname = newPathname;
|
|
return NextResponse.redirect(url, 301);
|
|
}
|
|
}
|
|
|
|
const response = NextResponse.next();
|
|
response.headers.set('x-pathname', pathname);
|
|
return response;
|
|
}
|
|
|
|
export const config = {
|
|
matcher: ['/((?!api|_next|llms|.*\\..*).*)'],
|
|
};
|