const fs = require('fs');
const content = fs.readFileSync('D:/cumin/ghaymah_dns_net_sec_tests/ghaymah_bundle.js', 'utf8');

const matches = [];
let p = 0;
while (true) {
  const i = content.indexOf('createStaticApp', p);
  if (i === -1) break;
  matches.push(i);
  p = i + 1;
}

for (const m of matches) {
  console.log('--- snippet at', m, '---');
  console.log(content.substring(Math.max(0, m - 100), m + 400));
}