three.js/threejs/lessons/resources/lesson.js

// Licensed under a BSD license. See license.html for license
/* eslint-disable strict */
'use strict';  // eslint-disable-line

/* global jQuery, settings, contributors */

(function($){

function getQueryParams() {
  return Object.fromEntries(new URLSearchParams(window.location.search).entries());
}

//
function replaceParams(str, subs) {
  return str.replace(/\${(\w+)}/g, function(m, key) {
    return subs[key];
  });
}

function showContributors() {
  // contribTemplate: 'Thank you
  // <a href="${html_url}">
  // <img src="${avatar_url}">${login}<a/>
  //  for <a href="https://github.com/${owner}/${repo}/commits?author=${login}">${contributions} contributions</a>',
  try {
    const subs = {...settings, ...contributors[Math.random() * contributors.length | 0]};
    const template = settings.contribTemplate;
    const html = replaceParams(template, subs);
    const parent = document.querySelector('#forkongithub>div');
    const div = document.createElement('div');
    div.className = 'contributors';
    div.innerHTML = html;
    parent.appendChild(div);
  } catch (e) {
    console.error(e);
  }
}
showContributors();

$(document).ready(function($){
  if (window.prettyPrint) {
    window.prettyPrint();
  }
  $('span[class=com]')
    .addClass('translate yestranslate')
    .attr('translate', 'yes');

  const params = getQueryParams();
  if (params.doubleSpace || params.doublespace) {
    document.body.className = document.body.className + ' doubleSpace';
  }

  $('.language').on('change', function() {
    window.location.href = this.value;
  });

  if (window.threejsLessonUtils) {
    window.threejsLessonUtils.afterPrettify();
  }
});
}(jQuery));

// ios needs this to allow touch events in an iframe
window.addEventListener('touchstart', {});