build.js

const fs = require('fs');
const { spawnSync } = require('child_process');

try {
  fs.mkdirSync('build');
} catch (e) {}

const examples = fs.readdirSync('examples');
const dirs = [];
for (const example of examples) {
  const cwd = `examples/${example}`;
  const stat = fs.statSync(cwd);
  if (stat.isDirectory()) {
    dirs.push(example);
    console.log(`running build for examples/${example}`);
    spawnSync('npm', ['install'], { cwd, stdio: 'inherit' });
    spawnSync('npm', ['run', 'build'], { cwd, stdio: 'inherit' });
  }
}
fs.writeFileSync(
  'build/index.html',
  `<style>table,td,th{border:1px solid;border-collapse:collapse;padding:8px}</style><table><tr><th>App</th><th>Artifacts</tr>` +
    dirs
      .map(
        (dir) =>
          `<td><a href="${dir}">${dir} App</a></td><td><a href="/report.html#results=${dir}/artifacts/results.json&url=${dir}/">${dir} Artifacts</a>`
      )
      .join('</tr></tr>')
);