@rxts/koa-proxy/lib/index.js

`http-proxy` wrapper as Koa middleware

import { __rest } from "tslib";
import httpProxy from 'http-proxy';
export var proxy = function (_a) {
    if (_a === void 0) { _a = {}; }
    var _b = _a.listeners, listeners = _b === void 0 ? {} : _b, override = _a.override, skipError = _a.skipError, options = __rest(_a, ["listeners", "override", "skipError"]);
    var proxy = httpProxy.createProxyServer(options);
    Object.keys(listeners).forEach(function (event) {
        var listener = listeners[event];
        if (listener) {
            // @ts-ignore
            proxy.on(event, listener);
        }
    });
    return function (ctx, next) {
        return new Promise(function (resolve, reject) {
            proxy.web(ctx.req, ctx.res, typeof override === 'function' ? override(ctx) : undefined, function (err) {
                // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
                return err ? (skipError ? resolve(next()) : reject(err)) : resolve();
            });
        });
    };
};
export default proxy;
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