@daysnap/utils/es/chunk-VTSGSUL2.js

通用的工具库

// src/isLan.ts
function isLan(ip) {
  ip = ip.toLocaleLowerCase();
  if (ip === "localhost") {
    return true;
  }
  if (ip === "") {
    return false;
  }
  let v = 0;
  const aNum = ip.split(".");
  if (aNum.length !== 4) {
    return false;
  }
  v += parseInt(aNum[0], 10) << 24;
  v += parseInt(aNum[1], 10) << 16;
  v += parseInt(aNum[2], 10) << 8;
  v += parseInt(aNum[3], 10) << 0;
  v = v >> 16 & 65535;
  return (
    // eslint-disable-next-line no-bitwise
    v >> 8 === 127 || // eslint-disable-next-line no-bitwise
    v >> 8 === 10 || v === 49320 || v >= 44048 && v <= 44063
  );
}

export {
  isLan
};