User:Nesqwik/common.js

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(function () {
  "use strict";

  function convertTo12Hour(text) {
    return text.replace(/\b([01]?\d|2[0-3]):([0-5]\d)\b(?!\s*[AaPp][Mm])/g, function (_, h, m) {
      h = parseInt(h, 10);
      const period = h >= 12 ? "PM" : "AM";
      h = h % 12 || 12;
      return h + ":" + m + "\u202F" + period;
    });
  }

  function reformatPageTimestamps() {
    const selectors = [
      ".page-info__text",
      "#footer-info-lastmod",
      "#lastmod",
      ".printfooter",
      "#mw-revision-info",
    ];

    selectors.forEach(function (sel) {
      const el = document.querySelector(sel);
      if (el) {
        el.innerHTML = convertTo12Hour(el.innerHTML);
      }
    });
  }

  mw.hook("wikipage.content").add(reformatPageTimestamps);
  $(document).ready(reformatPageTimestamps);
})();