Redirect PostgreSQL.org docs to current version

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Redirect PostgreSQL.org docs to current version

Very useful when coming from elsewhere and ending up with docs some random ancient version.

Stel een vraag, plaats een beoordeling of rapporteer dit script.

Regels afbreken

// ==UserScript==
// @namespace https://kludge.guru/
// @name Redirect PostgreSQL.org docs to current version
// @description Very useful when coming from elsewhere and ending up with docs some random ancient version.
// @match https://www.postgresql.org/docs/*
// @version          1.0
// ==/UserScript==

function maybeRedirect() {

  if (!document.referrer || document.referrer.indexOf('https://www.postgresql.org') === 0) { return; }

  const { pathname } = document.location;
  const match = pathname.match(/^\/docs\/[0-9\.]+\/(.*)$/);
  if (!match) { return; }

  const url = `/docs/current/${match[1]}`;
  const a = document.querySelector(`a[href="${url}"]`);
  if (!a) { return; }

  location.replace(url);

}

maybeRedirect();