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* Response helper functions for route handlers
* Provides convenient functions to create HTTP responses with status codes and headers
*/
import type { VitekResponse } from '../core/context/create-context.js';
/**
* Creates a JSON response with status code and optional headers
*/
export function json(
body: any,
options: { status?: number; headers?: Record<string, string> } = {}
): VitekResponse {
return {
status: options.status || 200,
headers: {
'Content-Type': 'application/json',
...options.headers,
},
body,
};
}
/**
* Creates a 200 OK response
*/
export function ok(body: any, headers?: Record<string, string>): VitekResponse {
return json(body, { status: 200, headers });
}
/**
* Creates a 201 Created response
*/
export function created(body: any, headers?: Record<string, string>): VitekResponse {
return json(body, { status: 201, headers });
}
/**
* Creates a 204 No Content response
*/
export function noContent(headers?: Record<string, string>): VitekResponse {
return {
status: 204,
headers: headers || {},
body: undefined,
};
}
/**
* Creates a 400 Bad Request response
*/
export function badRequest(body: any = { error: 'Bad request' }, headers?: Record<string, string>): VitekResponse {
return json(body, { status: 400, headers });
}
/**
* Creates a 401 Unauthorized response
*/
export function unauthorized(body: any = { error: 'Unauthorized' }, headers?: Record<string, string>): VitekResponse {
return json(body, { status: 401, headers });
}
/**
* Creates a 403 Forbidden response
*/
export function forbidden(body: any = { error: 'Forbidden' }, headers?: Record<string, string>): VitekResponse {
return json(body, { status: 403, headers });
}
/**
* Creates a 404 Not Found response
*/
export function notFound(body: any = { error: 'Not found' }, headers?: Record<string, string>): VitekResponse {
return json(body, { status: 404, headers });
}
/**
* Creates a 409 Conflict response
*/
export function conflict(body: any = { error: 'Conflict' }, headers?: Record<string, string>): VitekResponse {
return json(body, { status: 409, headers });
}
/**
* Creates a 422 Unprocessable Entity response (validation errors)
*/
export function unprocessableEntity(
body: any = { error: 'Validation error' },
headers?: Record<string, string>
): VitekResponse {
return json(body, { status: 422, headers });
}
/**
* Creates a 429 Too Many Requests response
*/
export function tooManyRequests(
body: any = { error: 'Too many requests' },
headers?: Record<string, string>
): VitekResponse {
return json(body, { status: 429, headers });
}
/**
* Creates a 500 Internal Server Error response
*/
export function internalServerError(
body: any = { error: 'Internal server error' },
headers?: Record<string, string>
): VitekResponse {
return json(body, { status: 500, headers });
}
/**
* Creates a redirect response (301, 302, 307, 308)
*/
export function redirect(
url: string,
permanent: boolean = false,
preserveMethod: boolean = false
): VitekResponse {
const status = permanent ? (preserveMethod ? 308 : 301) : preserveMethod ? 307 : 302;
return {
status,
headers: {
Location: url,
},
body: undefined,
};
}
/**
* Creates a plain text response (Content-Type: text/plain).
*/
export function text(body: string, status: number = 200): VitekResponse {
return {
status,
headers: { 'Content-Type': 'text/plain; charset=utf-8' },
body,
};
}
/**
* Creates an HTML response (Content-Type: text/html).
*/
export function html(body: string, status: number = 200): VitekResponse {
return {
status,
headers: { 'Content-Type': 'text/html; charset=utf-8' },
body,
};
}
/**
* Cache-Control header helpers. Merge returned headers into your response, e.g.:
* `{ ...ok(body), headers: { ...ok(body).headers, ...cacheControl(60) } }`
*/
export function cacheControl(
maxAgeSeconds: number,
options?: { staleWhileRevalidate?: number; private?: boolean }
): Record<string, string> {
const parts = [`max-age=${maxAgeSeconds}`];
if (options?.staleWhileRevalidate != null) {
parts.push(`stale-while-revalidate=${options.staleWhileRevalidate}`);
}
if (options?.private === true) {
parts.push('private');
}
return { 'Cache-Control': parts.join(', ') };
}
/**
* Returns headers to disable caching. Merge into response headers, e.g.:
* `{ ...ok(body), headers: { ...ok(body).headers, ...noStore() } }`
*/
export function noStore(): Record<string, string> {
return { 'Cache-Control': 'no-store' };
}
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