middleware wwwRedirect.ts

46.15% Statements 6/13

50% Branches 2/4

100% Functions 1/1

46.15% Lines 6/13

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  import { Request, Response, NextFunction } from "express";
import { logger } from "server/utils/logger";
 
export const wwwRedirect = (
  req: Request,
  res: Response,
  next: NextFunction,
): void => {
  const host = req.get("host");
 
  Iif (!host) {
    next();
    return; // Not actually reached but required by TS
  }
 
  // eslint-disable-next-line @typescript-eslint/prefer-string-starts-ends-with
  const hostHasWww = /^www\./.test(host);
 
  Iif (hostHasWww) {
    logger.info("Redirect WWW to non-WWW host");
 
    const protocol = req.protocol;
    const hostWithoutWww = host.replace(/^www\./, "");
 
    res.redirect(301, `${protocol}://${hostWithoutWww}${req.url}`);
    return;
  }
 
  next();
};