index.js

const { execSync } = require('child_process');

const scanComponents = require('./scan-components');
const scanMetadata = require('./scan-metadata');

const currentDirectory = __dirname;

const PROJECT_TO_SCAN = 'customer-web';

process.chdir(`./${PROJECT_TO_SCAN}`);

const earliestTime = new Date('2021-01-01');
const startTime = new Date('2022-04-04 12:00');

const getCommand = (time) => `git checkout \`git rev-list -n 1 --first-parent --before="${time}" master\``;

let currentTime = startTime;

while (currentTime > earliestTime) {
    const prevMonday = getPreviousMonday(currentTime);
    const command = getCommand(prevMonday);

    execSync(command);

    const sha = execSync('git rev-parse HEAD').toString().replace('\n', '');
    const time = prevMonday.valueOf();

    // need to run the scan commands
    scanMetadata({ sha, time, project: PROJECT_TO_SCAN });
    scanComponents({ time, project: PROJECT_TO_SCAN })

    currentTime = prevMonday;
}

process.chdir(currentDirectory);

function getPreviousMonday(date) {
    const prevMonday = new Date(date);

    return new Date(prevMonday.setDate(prevMonday.getDate() - 7));
}

react-scanner.config.js

const path = require('path');

module.exports = {
  crawlFrom: path.join(__dirname, './customer-web/src'),
  includeSubComponents: true,
  importedFrom: '@sixfold/common-ui',
  processors: [['raw-report', { outputTo: `./historic_data/${process.env.scanProject}/${process.env.scanTime}/report.json` }]],
};

scan-components.js

const { dependencies, name } = require('../customer-web/package.json');

const { execSync } = require('child_process');
const path = require('path');

module.exports = ({ time, project }) => {
    process.env.scanTime = time;
    process.env.scanProject = project;
    execSync('npx react-scanner -c ../react-scanner.config.js', {stdio: 'inherit'});
}

scan-metadata.js

const { writeFileSync, mkdirSync } = require('fs');
const path = require('path');
const importFresh = require('import-fresh');

const scan = ({ sha, time, project }) => {
  const { dependencies, name } = importFresh(`./${project}/package.json`);
    const result = {
      dirName: process.cwd(),
      repository: name,
      version: dependencies['@sixfold/common-ui'],
      commitSha: sha,
      commitTime: time,
    };

    mkdirSync(path.join(__dirname, `historic_data/${project}/${time}/`), { recursive: true }, (err) => {
        if (err) throw err;
      });
    writeFileSync(path.join(__dirname, `historic_data/${project}/${time}/metadata.json`), JSON.stringify(result, null, 2));
}

module.exports = scan;