static requestListener()

in server.js [23:58]
34 lines of code
7 McCabe index (conditional complexity)

  static requestListener(request, response) {
    if (request.method === 'GET') {
      const url = new URL(request.url, Server.origin);
      const filePath = path.resolve(`${root}/${url.pathname}`);
      const fileExt = path.extname(filePath);
      const mimeType = mimeLookup.get(fileExt);

      if (fileExt) {
        if (mimeType) {
          fs.stat(filePath, (error, stats) => {
            if (stats) {
              Server.sendFile(response, filePath, mimeType, stats.size);
            } else {
              Server.sendFileNotFound(response);
            }
          });
        } else {
          Server.sendUnknownMimeType(response, fileExt);
        }
      } else {
        if (url.pathname.endsWith('/')) {
          const directoryIndex = `${filePath}/index.html`;
          fs.stat(directoryIndex, (error, stats) => {
            if (stats) {
              Server.sendFile(response, directoryIndex, 'text/html', stats.size);
            } else {
              // @TODO pushState optional
              Server.sendRootIndex(response);
            }
          });
        } else {
          Server.sendRedirect(response, `${url.pathname}/`);
        }
      }
    }
  }