REST OPTIONS method request is blocked by webpack-dev-server logic

[sek1973]

Command

serve

Is this a regression?

• Yes, this behavior used to work in the previous version

The previous version in which this bug was not present was

No response

Description

Each OPTIONS request is automatically replaced with the 204 code type response, regardless the content and how the application intends to handle it.
OPTIONS type request is compliant with specification:
https://developer.mozilla.org/en-US/docs/Glossary/Preflight_request
and should be handled respectively.

This refers to https://github.com/webpack/webpack-dev-server/issues/4551 and partially to #23857

Minimal Reproduction

Any application using proxy functionality and sending OPTIONS requests.
Please find a basic project to reproduce this issue here: https://github.com/sek1973/options-issue.

Exception or Error

Depending on the application implementation it may cause unexpected http response for OPTIONS requests.

Your Environment

Angular CLI: 14.2.1
Node: 16.17.0
Package Manager: npm 8.18.0
OS: win32 x64

Angular: 14.2.0
... animations, common, compiler, compiler-cli, core, forms
... platform-browser, platform-browser-dynamic, router

Package                         Version
---------------------------------------------------------
@angular-devkit/architect       0.1402.1
@angular-devkit/build-angular   14.2.1
@angular-devkit/core            14.2.1
@angular-devkit/schematics      14.2.1
@angular/cli                    14.2.1
@schematics/angular             14.2.1
rxjs                            7.5.6
typescript                      4.7.4

Anything else relevant?

@angular-devkit/[email protected] uses [email protected] internally.
Commenting out or removing following code in (node_modules\webpack-dev-server\lib\Server.js) seems to fix this issue:

{
/**
 *
 * @param {Request} req
 * @param {Response} res
 * @param {NextFunction} next
 * @returns {void}
 *
 */
const optionsRequestResponseMiddleware = (req, res, next) => {
  if (req.method === "OPTIONS") {
    res.statusCode = 204;
    res.setHeader("Content-Length", "0");
    res.end();
    return;
  }
  next();
};

middlewares.push({
  name: "options-middleware",
  path: "*",
  middleware: optionsRequestResponseMiddleware,
});
}

[alan-agius4]

Duplicate of #23857

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