Check files in current folder start with a certain content (Node.js)

gistfile1.js

const fs = require("node:fs");
const path = require("node:path");

const banner = `<text-goes-here>`;
const exclusions = ["Dockerfile", "build"];

function traverseFolder (folderPath) {
  const realFolderPath = fs.realpathSync(folderPath);
  const entries = fs.readdirSync(realFolderPath, { withFileTypes: true });

  for (const entry of entries) {
    if (entry.name.includes(".") || exclusions.includes(entry.name)) {
      continue;
    }

    const entryPath = entry.parentPath + entry.name;

    if (entry.isDirectory()) {
      traverseFolder(entryPath);
      continue;
    }

    const content = fs.readFileSync(entryPath, "utf8");

    if (!content.startsWith(banner)) {
      console.log(entryPath);
    }
  }
}

traverseFolder(process.cwd());