@scayle/storefront-nuxt/dist/runtime/server/middleware/redirects.utils.js

Nuxt integration for the SCAYLE Commerce Engine and Storefront API

export function getRedirectLookupUrls(url, queryParamWhitelist) {
  const incomingUrl = `${url.origin}${url.pathname}`;
  const sourceUrlObject = new URL(
    incomingUrl.endsWith("/") ? incomingUrl.slice(0, -1) : incomingUrl
  );
  if (queryParamWhitelist) {
    for (const [key, value] of [...url.searchParams.entries()]) {
      if (queryParamWhitelist.has(key)) {
        sourceUrlObject.searchParams.append(key, value);
      }
    }
  }
  const relativeSourceUrl = decodeURI(
    sourceUrlObject.toString().replace(sourceUrlObject.origin, "")
  );
  const absoluteSourceUrl = decodeURI(sourceUrlObject.toString());
  return { relativeSourceUrl, absoluteSourceUrl };
}
export function getTargetLocation(source, target, queryParamWhitelist) {
  const base = URL.canParse(target) ? target : source;
  const targetUrl = new URL(target, base);
  for (const [key, value] of source.searchParams.entries()) {
    if (!queryParamWhitelist?.has(key) && !targetUrl.searchParams.has(key)) {
      targetUrl.searchParams.append(key, value);
    }
  }
  return decodeURI(targetUrl.toString());
}