IMDb Actor Age/IMDBAge

Display the actor's age next to movie credits / Adds the age and other various info onto IMDB pages

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        IMDb Actor Age/IMDBAge
// @description Display the actor's age next to movie credits / Adds the age and other various info onto IMDB pages
// @match       *://*.imdb.com/name/nm*
// @match       *://*.imdb.com/title/tt*
// @version     10.0.3
// @grant       GM_setValue
// @grant       GM_getValue
// @require     https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment.min.js
// @namespace http://www.stewarts.org.uk
// ==/UserScript==

var LOGGING = false;
function log(...msg) {
  LOGGING && console.log(...msg);
}

(function() {
  'use strict';

  /// ACTOR PAGES ///
  if (window.location.href.match(/\/name\/nm\d+\/(reference|\?|$)/)) {
    let actorNum = window.location.href.match(/\/name\/nm(\d+)/)[1];
    let birthday = document.querySelectorAll("[data-testid='birth-and-death-birthdate'] span:nth-of-type(2)");
    let birthTime = (birthday && birthday[1].textContent.trim()) || GM_getValue(actorNum);
    let birthMoment = moment(birthTime);
    log('birthTime', birthTime, 'mom', birthMoment);

    if (birthTime) {
      GM_setValue(actorNum, birthMoment.format('YYYY-MM-DD'));
      if (birthday) {
        let ageSpan = getAgeSpan(birthMoment, moment());
        birthday.forEach((item) => {
          item.appendChild(ageSpan);
        });
      }
      let yearCols = document.querySelectorAll('div.ipc-metadata-list-summary-item__cc ul li span.ipc-metadata-list-summary-item__li');
      yearCols.forEach((yc) => {
        log('yc', yc);
        let br = yc.parentNode.querySelector('span');
        let years = yc.textContent.trim();
        log('years', years);
        log('br', br)
        if (years && years.length > 3 && br) {
          let ageSpan = getAgeSpan(birthMoment, years);
          br.parentNode.appendChild(ageSpan);
        }
      });
      (new MutationObserver(updateActor)).observe(document.querySelector("[data-testid='Filmography']"), { attributes: false, characterData: false, childList: true, subtree: true, attributeOldValue: false, characterDataOldValue: false });
      function updateActor(changes) {
        log(changes)
        changes.forEach(mutation => {
          const newNodes = mutation.addedNodes;
          newNodes.forEach(node => {
            if (node.classList && node.classList.contains('ipc-metadata-list-summary-item')) {
              let yc = node.querySelector('div.ipc-metadata-list-summary-item__cc ul li span.ipc-metadata-list-summary-item__li');
              log('yc', yc);
              let br = yc.parentNode.querySelector('span');
              let years = yc.textContent.trim();
              log('years', years);
              log('br', br)
              if (years && years.length > 3 && br) {
                let ageSpan = getAgeSpan(birthMoment, years);
                br.parentNode.appendChild(ageSpan);
              }
            }
          });
        });
      }
    }

    /// MOVIE PAGES ///
  } else if (window.location.href.match(/\/title\/tt\d+\/(reference|fullcredits)?/)) {
    let rows = document.querySelectorAll("[data-testid='title-cast-item'], .cast_list tr.odd, .cast_list tr.even");
    let m = document.title.match(/\((?:TV\s+(?:(?:Mini\s)?Series|Episode|Movie)\s*)?(\d{4}\s*(?:–|-)?\s*(?:\d{4})?)\s*\)/);
    if (m) {
      let titleYears = m[1];
      addFilmAge(titleYears);
      rows.forEach((el) => {
        log(el);
        let actorLink = el.querySelector('a');
        log(actorLink);
        let m = actorLink && actorLink.href.match(/\/name\/nm(\d+)/);
        if (m) {
          let actorNum = m[1];
          log(actorNum);
          let birthTime = GM_getValue(actorNum);
          log(birthTime);
          if (birthTime) {
            let ageSpan = getAgeSpan(moment(birthTime), titleYears);
            log(ageSpan);
            el.querySelectorAll('td > a, div > a')[1].after(ageSpan);//.appendChild(ageSpan);
          }
        }
      });
    }
  }

  function getAgeSpan(birth, years) {
    log('getAgeSpan', birth, years);
    if (typeof years == "string") {
      var m = years.match(/(\d{4})(?:–|-)?(\d{4})?/);
    } else {
      m = [ years.format('YYYY-MM-dd') ];
    }
    log('match m', m, 'moment', moment(m[1]));
    let ageString = moment(m[1]).diff(birth, 'years');
    if (m[2]) {
      ageString += '-' + moment(m[2]).diff(birth, 'years');
    }
    ageString = '(Age ' + ageString + ')';
    let ageSpan = document.createElement('div');
    ageSpan.classList.add('ageSpan');
    ageSpan.textContent = ageString;
    return ageSpan;
  }

  function addFilmAge(years) {
    let m = years.match(/(\d{4})(?:–|-)?(\d{4})?/);
    let year = new Date();
    year.setFullYear(m[1]);
    let age = new Date().getFullYear() - year.getFullYear();

    if (m[2]) {
      let year2 = new Date();
      year2.setFullYear(m[2]);
      var age2 = new Date().getFullYear() - year2.getFullYear();
    }

    let container;
    if (age >= 1) { container = ("" + age + " year" + (age == 1 ? '' : 's') + " ago"); }
    if (age == 0) { container = ("This year"); }
    if (age <= -1) { container = ("in " + Math.abs(age) + " year" + (Math.abs(age) == 1 ? '' : 's')); }

    if(age2) {
      container += " to ";
      if (age2 >= 1) { container += ("" + age2 + " year" + (age2 == 1 ? '' : 's') + " ago"); }
      if (age2 == 0) { container += ("This year"); }
      if (age2 <= -1) { container += ("in " + Math.abs(age2) + " year" + (Math.abs(age2) == 1 ? '' : 's')); }
    }

    let ageSpan = document.createElement('li');
    ageSpan.classList.add('ipc-inline-list__item');
    ageSpan.textContent = container;
    if(document.querySelector("[data-testid='hero__pageTitle']") && document.querySelector("[data-testid='hero__pageTitle']").nextSibling.querySelector("li")) {
      document.querySelector("[data-testid='hero__pageTitle']").nextSibling.querySelector("li").after(ageSpan);
    } else if(document.querySelector("[data-testid='hero__pageTitle']") && document.querySelector("[data-testid='hero__pageTitle']").nextSibling.nextSibling.querySelector("li")) {
      document.querySelector("[data-testid='hero__pageTitle']").nextSibling.nextSibling.querySelector("li").after(ageSpan);
    }
  }

  let s = document.createElement('style');
  s.textContent = `
.ageSpan {
  font-size: 9px !important;
  font-weight: bold;
}
`;
  document.body.appendChild(s);
})();