// ==UserScript==
// @name     The Guardian gallery fixer
// @version  1
// @grant    none
// @match    https://www.theguardian.com/*
// ==/UserScript==

function fixGalleries() {
  for (let figure of document.getElementsByTagName('figure')) {
    const parent = figure.parentElement;
    if (parent.nodeName !== 'GU-ISLAND' || !parent.hasAttribute('props')) {
      continue;
    }

    const props = JSON.parse(figure.parentElement.getAttribute('props'));
    if (!props['url']) {
      continue;
    }

    let a = document.createElement('a');
    a.href = props['url'];
    a.innerText = '[gallery]';

    parent.replaceChild(a, figure);
  }
}

fixGalleries();