Function walk

scripts/check-content.mjs:26–35

递归收集指定扩展名的文件。

(dir, exts, out = [])

/** 递归收集指定扩展名的文件。 */
function walk(dir, exts, out = []) {
  for (const name of readdirSync(dir)) {
    if (IGNORE_DIRS.has(name)) continue;
    const p = join(dir, name);
    const s = statSync(p);
    if (s.isDirectory()) walk(p, exts, out);
    else if (exts.includes(extname(name))) out.push(p);
  }
  return out;
}

const isExternal = (t) => /^(https?:|mailto:|tel:|data:|\/\/)/i.test(t);