function providerResult()

in src/middleware/files.js [183:235]

• 44 lines of code
• 8 McCabe index (conditional complexity)

function providerResult(req, res, p) {
  return Promise.resolve()
    .then(() => {
      const promises = [];

      const i18n = req.superstatic.i18n;
      if (i18n && i18n.root) {
        // The path order is:
        // (1) root/language_country/path (for each language)
        // (2) root/ALL_country/path (if country is set)
        // (3) root/language_ALL/path or root/language/path (for each language)
        const country = getCountryCode(req.headers);
        const languages = getI18nLanguages(req.headers);
        // (1)
        if (country) {
          for (const l of languages) {
            promises.push(
              res.superstatic.provider(
                req,
                pathjoin(i18n.root, `${l}_${country}`, p)
              )
            );
          }
          // (2)
          promises.push(
            res.superstatic.provider(
              req,
              pathjoin(i18n.root, `ALL_${country}`, p)
            )
          );
        }
        // (3)
        for (const l of languages) {
          promises.push(
            res.superstatic.provider(req, pathjoin(i18n.root, `${l}_ALL`, p))
          );
          promises.push(
            res.superstatic.provider(req, pathjoin(i18n.root, `${l}`, p))
          );
        }
      }

      promises.push(res.superstatic.provider(req, p));
      return Promise.all(promises);
    })
    .then((results) => {
      for (const r of results) {
        if (r) {
          return r;
        }
      }
    });
}