| import type { Filter, RequestHandler, Options } from './types'; |
| export declare class HttpProxyMiddleware { |
| private logger; |
| private config; |
| private wsInternalSubscribed; |
| private serverOnCloseSubscribed; |
| private proxyOptions; |
| private proxy; |
| private pathRewriter; |
| constructor(context: Filter | Options, opts?: Options); |
| middleware: RequestHandler; |
| private catchUpgradeRequest; |
| private handleUpgrade; |
| /** |
| * Determine whether request should be proxied. |
| * |
| * @private |
| * @param {String} context [description] |
| * @param {Object} req [description] |
| * @return {Boolean} |
| */ |
| private shouldProxy; |
| /** |
| * Apply option.router and option.pathRewrite |
| * Order matters: |
| * Router uses original path for routing; |
| * NOT the modified path, after it has been rewritten by pathRewrite |
| * @param {Object} req |
| * @return {Object} proxy options |
| */ |
| private prepareProxyRequest; |
| private applyRouter; |
| private applyPathRewrite; |
| private logError; |
| } |