server/router/sub.js

A modern and powerful server for Node.js

const join = require('../src/join');

module.exports = (path, ...middle) => async ctx => {
  const full = ctx.req.subdomains.reverse().join('.');
  if (
    (typeof path === 'string' && path === full) ||
    (path instanceof RegExp && path.test(full))
  ) {
    await join(middle, ctx => {
      ctx.req.solved = true;
      if (!ctx.res.headersSent) {
        ctx.res.end();
      }
    })(ctx);
  }
};