module.exports = function()

in src/middleware/missing.js [11:36]

• 24 lines of code
• 4 McCabe index (conditional complexity)

module.exports = function(spec) {
  let defaultErrorContent;
  if (spec.errorPage) {
    defaultErrorContent = fs.readFileSync(spec.errorPage, "utf8");
  }

  return function(req, res, next) {
    const config = req.superstatic;
    const errorPage = config.errorPage || "/404.html";

    setHeaders(spec)(
      {
        superstatic: config,
        url: errorPage
      },
      res,
      () => {
        const handles = [{ file: errorPage, status: 404 }];
        if (defaultErrorContent) {
          handles.push({ data: defaultErrorContent, status: 404 });
        }
        res.superstatic.handle(handles, next);
      }
    );
  };
};