Update all HTML file URLs in golden.json to the latest test pages

update-golden-html-urls.js

/**
 * @fileoverview https://github.com/material-components/material-components-web/pull/3458
 */

const stableStringify = require('json-stable-stringify');

const LocalStorage = require('../infra/lib/local-storage');
const localStorage = new LocalStorage();

async function runAsync() {
  const goldenJson = require('../golden.json');

  for (const [htmlFilePath, htmlFileData] of Object.entries(goldenJson)) {
    let goldenTimestamp = getTimestamp(htmlFileData.public_url);
    for (const [userAgentAlias, imageFileUrl] of Object.entries(htmlFileData.screenshots)) {
      const curHtmlFileUrl = getHtmlFileUrl(imageFileUrl);
      const curTimestamp = getTimestamp(curHtmlFileUrl);
      if (curTimestamp > goldenTimestamp) {
        htmlFileData.public_url = curHtmlFileUrl;
        goldenTimestamp = curTimestamp;
      }
    }
  }

  await localStorage.writeTextFile('test/screenshot/golden.json', stringify(goldenJson));
}

function stringify(object) {
  return stableStringify(object, {space: '  '}) + '\n';
}

function getHtmlFileUrl(imageFileUrl) {
  return imageFileUrl.replace(/(\.html).+$/, '$1');
}

function getTimestamp(htmlFileUrl) {
  const regExp = new RegExp('/(201[78])/([0-9]{2})/([0-9]{2})/([0-9]{2})_([0-9]{2})_([0-9]{2})_([0-9]{3})/');
  const [, year, month, day, hour, minute, second, ms] = (regExp.exec(htmlFileUrl) || []);
  if (!year) {
    throw new Error(`htmlFileUrl does not match timestamp regex: "${htmlFileUrl}"`);
  }
  return new Date(Date.UTC(year, month - 1, day, hour, minute, second, ms));
}

runAsync().catch((err) => console.error('Caught error:', err));