Allow custom status code when returning a stream

[NicholasPeretti]

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Potential Problems With The Approach

Test plan

[github-actions]

Hello there NicholasPeretti 👋

Thank you and congrats 🎉 for opening your first PR on this project.✨

We will review the following PR soon! 👀

[NicholasPeretti]

Hello there 👋

I've noticed that when I return a readable stream in my container the status code is being ignored.
I've tested this code in my own application and it works perfectly.

However, I wasn't able to properly install the dependencies of the codebase and run unit tests on my laptop 🤔
I see in you package.json that you need Node 12.0.0 or higher.

I first tried with Node 18, and then with Node 12, but I couldn't even install the dependencies 🤔
Any help?

[NicholasPeretti]

Just in case someone else is affected, I wrote this little script to fix the problem.
It works with Express only.

Please adapt it accordingly to your project.
You can then edit your build script as tsoa spec-and-routes -c src/tsoa/tsoa.json && node patch-tsoa.js

import fs from "fs";
import path from "path";
import tsoaConfig from "./tsoa.json";

const TSOA_GENERATE_ROUTES_FILE_PATH = path.resolve(
  process.cwd(),
  tsoaConfig?.routes?.routesDir,
  "routes.ts"
);

(async () => {
  fs.readFile(TSOA_GENERATE_ROUTES_FILE_PATH, "utf-8", (err, data) => {
    if (err) {
      console.error("Cannot open the Tsoa generated routes", err);
      return;
    }

    const updatedCode = data.replace(
      "data.pipe(response);",
      "response.status(statusCode || 200);data.pipe(response);"
    );

    fs.writeFile(TSOA_GENERATE_ROUTES_FILE_PATH, updatedCode, (err) => {
      if (err) {
        console.error("Cannot apply Tsoa patch", err);
        return;
      }

      console.log("Tsoa patch applied successfully");
    });
  });
})();

[WoH]

Would you mind adding an integration test here? At least for express?