http-proxy-middleware
Version:
The one-liner node.js proxy middleware for connect, express, next.js and more
30 lines (29 loc) • 902 B
TypeScript
import type { RequestHandler, Options } from './types';
export declare class HttpProxyMiddleware<TReq, TRes> {
private wsInternalSubscribed;
private serverOnCloseSubscribed;
private proxyOptions;
private proxy;
private pathRewriter;
private logger;
constructor(options: Options<TReq, TRes>);
middleware: RequestHandler;
private registerPlugins;
private catchUpgradeRequest;
private handleUpgrade;
/**
* Determine whether request should be proxied.
*/
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;
}