23936194070

Committed 03 Apr 2026 06:10AM UTC coverage: 96.544% (-0.6%) from 97.15%

Build # 23936194070

Build Type

Pull #1160

github

Committed by

web-flow

Commit Message

Merge dacea34e5 into 48ed092c3

Pull Request Pull Request #1160: refactor(#1136): replace `http-proxy` w/ `httpxy`

Coverage Stats

175 of 191 branches covered (91.62%)

23 of 25 new or added lines in 4 files covered. (92.0%)

1 existing line in 1 file now uncovered.

419 of 434 relevant lines covered (96.54%)

24.47 hits per line

Source File
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93.75

/src/plugins/default/error-response-plugin.ts

import type * as http from 'node:http';
import type { Socket } from 'node:net';

import { getStatusCode } from '../../status-code';
import { Plugin } from '../../types';
import { sanitize } from '../../utils/sanitize';

function isResponseLike(obj: any): obj is http.ServerResponse {
  return obj && typeof obj.writeHead === 'function';
}

function isSocketLike(obj: any): obj is Socket {
  return obj && typeof obj.write === 'function' && !('writeHead' in obj);
}

export const errorResponsePlugin: Plugin = (proxyServer, options) => {
  proxyServer.on('error', (err, req, res, target?) => {
    // Re-throw error. Not recoverable since req & res are empty.
    if (!req || !res) {
      throw err; // "Error: Must provide a proper URL as target"
    }

    if (isResponseLike(res)) {
      if (!res.headersSent) {
        const statusCode = getStatusCode((err as unknown as any).code);
        res.writeHead(statusCode);
      }

      const host = req.headers && req.headers.host;
      res.end(`Error occurred while trying to proxy: ${sanitize(host)}${sanitize(req.url)}`);
    } else if (isSocketLike(res)) {
      res.destroy();
    }
  });
};

1	import type * as http from 'node:http';
2	import type { Socket } from 'node:net';
3
4	import { getStatusCode } from '../../status-code';	12✔
5	import { Plugin } from '../../types';
6	import { sanitize } from '../../utils/sanitize';	12✔
7
8	function isResponseLike(obj: any): obj is http.ServerResponse {
9	return obj && typeof obj.writeHead === 'function';	2✔
10	}
11
12	function isSocketLike(obj: any): obj is Socket {
13	return obj && typeof obj.write === 'function' && !('writeHead' in obj);	1✔
14	}
15
16	export const errorResponsePlugin: Plugin = (proxyServer, options) => {	12✔
17	proxyServer.on('error', (err, req, res, target?) => {	68✔
18	// Re-throw error. Not recoverable since req & res are empty.
19	if (!req \|\| !res) {	2!
UNCOV 20	throw err; // "Error: Must provide a proper URL as target"	×
21	}
22
23	if (isResponseLike(res)) {	2✔
24	if (!res.headersSent) {	1!
25	const statusCode = getStatusCode((err as unknown as any).code);	1✔
26	res.writeHead(statusCode);	1✔
27	}
28
29	const host = req.headers && req.headers.host;	1✔
30	res.end(`Error occurred while trying to proxy: ${sanitize(host)}${sanitize(req.url)}`);	1✔
31	} else if (isSocketLike(res)) {	1!
32	res.destroy();	1✔
33	}
34	});
35	};

chimurai / http-proxy-middleware / 23936194070

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