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- import type * as http from 'node:http';
- type Interceptor<TReq = http.IncomingMessage, TRes = http.ServerResponse> = (buffer: Buffer, proxyRes: http.IncomingMessage, req: TReq, res: TRes) => Promise<Buffer | string>;
- /**
- * Intercept responses from upstream.
- * Automatically decompress (deflate, gzip, brotli, zstd).
- * Give developer the opportunity to modify intercepted Buffer and http.ServerResponse
- *
- * NOTE: must set options.selfHandleResponse=true (prevent automatic call of res.end())
- *
- * @example
- *
- * ```ts
- * createProxyMiddleware({
- * target: 'http://example.com',
- * selfHandleResponse: true, // MUST set selfHandleResponse=true
- * on: {
- * proxyRes: responseInterceptor(async (buffer, proxyRes, req, res) => {
- * // modify intercepted buffer and return modified buffer
- * const modifiedBuffer = Buffer.from(buffer.toString().replace(/Example/g, 'Demo'), 'utf8');
- * return modifiedBuffer;
- * }),
- * }
- * });
- * ```
- */
- export declare function responseInterceptor<TReq extends http.IncomingMessage = http.IncomingMessage, TRes extends http.ServerResponse = http.ServerResponse>(interceptor: Interceptor<TReq, TRes>): (proxyRes: http.IncomingMessage, req: TReq, res: TRes) => Promise<void>;
- export {};
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