fix(types): make definitions nodenext compatible

index.d.ts

@@ -3,76 +3,89 @@
 import { FastifyInstance, FastifyPluginCallback, FastifyRequest } from 'fastify';
 
 type OriginCallback = (err: Error | null, allow: boolean) => void;
-export type OriginFunction = (origin: string, callback: OriginCallback) => void;
 type OriginType = string | boolean | RegExp;
 type ValueOrArray<T> = T | ArrayOfValueOrArray<T>;
 
 interface ArrayOfValueOrArray<T> extends Array<ValueOrArray<T>> {
 }
 
-export interface FastifyCorsOptions {
-  /**
-   * Configures the Access-Control-Allow-Origin CORS header.
-   */
-  origin?: ValueOrArray<OriginType> | OriginFunction;
-  /**
-   * Configures the Access-Control-Allow-Credentials CORS header.
-   * Set to true to pass the header, otherwise it is omitted.
-   */
-  credentials?: boolean;
-  /**
-   * Configures the Access-Control-Expose-Headers CORS header.
-   * Expects a comma-delimited string (ex: 'Content-Range,X-Content-Range')
-   * or an array (ex: ['Content-Range', 'X-Content-Range']).
-   * If not specified, no custom headers are exposed.
-   */
-  exposedHeaders?: string | string[];
-  /**
-   * Configures the Access-Control-Allow-Headers CORS header.
-   * Expects a comma-delimited string (ex: 'Content-Type,Authorization')
-   * or an array (ex: ['Content-Type', 'Authorization']). If not
-   * specified, defaults to reflecting the headers specified in the
-   * request's Access-Control-Request-Headers header.
-   */
-  allowedHeaders?: string | string[];
-  /**
-   * Configures the Access-Control-Allow-Methods CORS header.
-   * Expects a comma-delimited string (ex: 'GET,PUT,POST') or an array (ex: ['GET', 'PUT', 'POST']).
-   */
-  methods?: string | string[];
-  /**
-   * Configures the Access-Control-Max-Age CORS header.
-   * Set to an integer to pass the header, otherwise it is omitted.
-   */
-  maxAge?: number;
-  /**
-   * Pass the CORS preflight response to the route handler (default: false).
-   */
-  preflightContinue?: boolean;
-  /**
-   * Provides a status code to use for successful OPTIONS requests,
-   * since some legacy browsers (IE11, various SmartTVs) choke on 204.
-   */
-  optionsSuccessStatus?: number;
-  /**
-   * Pass the CORS preflight response to the route handler (default: false).
-   */
-  preflight?: boolean;
-  /**
-   * Enforces strict requirement of the CORS preflight request headers (Access-Control-Request-Method and Origin).
-   * Preflight requests without the required headers will result in 400 errors when set to `true` (default: `true`).
-   */
-  strictPreflight?: boolean;
-  /**
-   * Hide options route from the documentation built using fastify-swagger (default: true).
-   */
-  hideOptionsRoute?: boolean;
+type FastifyCorsPlugin = FastifyPluginCallback<
+  NonNullable<fastifyCors.FastifyCorsOptions> | fastifyCors.FastifyCorsOptionsDelegate
+>;
+
+declare namespace fastifyCors {
+  export type OriginFunction = (origin: string, callback: OriginCallback) => void;
+
+  export interface FastifyCorsOptions {
+    /**
+     * Configures the Access-Control-Allow-Origin CORS header.
+     */
+    origin?: ValueOrArray<OriginType> | fastifyCors.OriginFunction;
+    /**
+     * Configures the Access-Control-Allow-Credentials CORS header.
+     * Set to true to pass the header, otherwise it is omitted.
+     */
+    credentials?: boolean;
+    /**
+     * Configures the Access-Control-Expose-Headers CORS header.
+     * Expects a comma-delimited string (ex: 'Content-Range,X-Content-Range')
+     * or an array (ex: ['Content-Range', 'X-Content-Range']).
+     * If not specified, no custom headers are exposed.
+     */
+    exposedHeaders?: string | string[];
+    /**
+     * Configures the Access-Control-Allow-Headers CORS header.
+     * Expects a comma-delimited string (ex: 'Content-Type,Authorization')
+     * or an array (ex: ['Content-Type', 'Authorization']). If not
+     * specified, defaults to reflecting the headers specified in the
+     * request's Access-Control-Request-Headers header.
+     */
+    allowedHeaders?: string | string[];
+    /**
+     * Configures the Access-Control-Allow-Methods CORS header.
+     * Expects a comma-delimited string (ex: 'GET,PUT,POST') or an array (ex: ['GET', 'PUT', 'POST']).
+     */
+    methods?: string | string[];
+    /**
+     * Configures the Access-Control-Max-Age CORS header.
+     * Set to an integer to pass the header, otherwise it is omitted.
+     */
+    maxAge?: number;
+    /**
+     * Pass the CORS preflight response to the route handler (default: false).
+     */
+    preflightContinue?: boolean;
+    /**
+     * Provides a status code to use for successful OPTIONS requests,
+     * since some legacy browsers (IE11, various SmartTVs) choke on 204.
+     */
+    optionsSuccessStatus?: number;
+    /**
+     * Pass the CORS preflight response to the route handler (default: false).
+     */
+    preflight?: boolean;
+    /**
+     * Enforces strict requirement of the CORS preflight request headers (Access-Control-Request-Method and Origin).
+     * Preflight requests without the required headers will result in 400 errors when set to `true` (default: `true`).
+     */
+    strictPreflight?: boolean;
+    /**
+     * Hide options route from the documentation built using fastify-swagger (default: true).
+     */
+    hideOptionsRoute?: boolean;
+  }
+
+  export interface FastifyCorsOptionsDelegateCallback { (req: FastifyRequest, cb: (error: Error | null, corsOptions?: FastifyCorsOptions) => void): void }
+  export interface FastifyCorsOptionsDelegatePromise { (req: FastifyRequest):  Promise<FastifyCorsOptions> }
+  export type FastifyCorsOptionsDelegate = FastifyCorsOptionsDelegateCallback | FastifyCorsOptionsDelegatePromise
+  export type FastifyPluginOptionsDelegate<T = FastifyCorsOptionsDelegate> = (instance: FastifyInstance) => T;
+
+  export const fastifyCors: FastifyCorsPlugin
+  export { fastifyCors as default };
 }
 
-export interface FastifyCorsOptionsDelegateCallback { (req: FastifyRequest, cb: (error: Error | null, corsOptions?: FastifyCorsOptions) => void): void }
-export interface FastifyCorsOptionsDelegatePromise { (req: FastifyRequest):  Promise<FastifyCorsOptions>}
-export type FastifyCorsOptionsDelegate = FastifyCorsOptionsDelegateCallback | FastifyCorsOptionsDelegatePromise
-export type FastifyPluginOptionsDelegate<T> = (instance: FastifyInstance) => T;
+declare function fastifyCors(
+  ...params: Parameters<FastifyCorsPlugin>
+): ReturnType<FastifyCorsPlugin>;
 
-declare const fastifyCors: FastifyPluginCallback<FastifyCorsOptions | FastifyPluginOptionsDelegate<FastifyCorsOptionsDelegate>>;
-export default fastifyCors;
+export = fastifyCors;