module.exports = function()

in src/middleware/redirects.js [104:147]

• 28 lines of code
• 5 McCabe index (conditional complexity)

module.exports = function() {
  return function(req, res, next) {
    const config = _.get(req, "superstatic.redirects");
    if (!config) {
      return next();
    }

    const redirects = [];
    if (_.isArray(config)) {
      config.forEach((redir) => {
        const glob = redir.glob || redir.source;
        redirects.push(
          new Redirect(glob, redir.regex, redir.destination, redir.type)
        );
      });
    } else {
      throw new Error("redirects provided in an unrecognized format");
    }

    const matcher = function(url) {
      for (let i = 0; i < redirects.length; i++) {
        const result = redirects[i].test(url);
        if (result) {
          return result;
        }
      }
      return undefined;
    };

    const match = matcher(req.url);

    if (!match) {
      return next();
    }

    // Remove leading slash of a url
    const redirectUrl = formatExternalUrl(match.destination);

    return res.superstatic.handle({
      redirect: redirectUrl,
      status: match.type
    });
  };
};