Method processRequest

packager/src/Server/index.js:610–718

(
    req: IncomingMessage,
    res: ServerResponse,
    next: () => mixed,
  )

  }

  processRequest(
    req: IncomingMessage,
    res: ServerResponse,
    next: () => mixed,
  ) {
    const urlObj = url.parse(req.url, true);
    const {host} = req.headers;
    debug(`Handling request: ${host ? 'http://' + host : ''}${req.url}`);
    /* $FlowFixMe: Could be empty if the URL is invalid. */
    const pathname: string = urlObj.pathname;

    let requestType;
    if (pathname.match(/\.bundle$/)) {
      requestType = 'bundle';
    } else if (pathname.match(/\.map$/)) {
      requestType = 'map';
    } else if (pathname.match(/\.assets$/)) {
      requestType = 'assets';
    } else if (pathname.match(/^\/debug/)) {
      this._processDebugRequest(req.url, res);
      return;
    } else if (pathname.match(/^\/onchange\/?$/)) {
      this._processOnChangeRequest(req, res);
      return;
    } else if (pathname.match(/^\/assets\//)) {
      this._processAssetsRequest(req, res);
      return;
    } else if (pathname === '/symbolicate') {
      this._symbolicate(req, res);
      return;
    } else {
      next();
      return;
    }

    const options = this._getOptionsFromUrl(req.url);
    const requestingBundleLogEntry =
      log(createActionStartEntry({
        action_name: 'Requesting bundle',
        bundle_url: req.url,
        entry_point: options.entryFile,
      }));

    let reportProgress = () => {};
    if (!this._opts.silent) {
      reportProgress = (transformedFileCount, totalFileCount) => {
        this._reporter.update({
          type: 'bundle_transform_progressed',
          entryFilePath: options.entryFile,
          transformedFileCount,
          totalFileCount,
        });
      };
    }

    const mres = MultipartResponse.wrap(req, res);
    options.onProgress = (done, total) => {
      reportProgress(done, total);