Function mask

wxapp/vipshop.js:65–70

(value = "")

}

function mask(value = "") {
  value = String(value || "");
  if (!value) return "";
  if (value.length <= 12) return `${value.slice(0, 3)}***`;
  return `${value.slice(0, 6)}***${value.slice(-6)}`;
}

function sha1(text) {
  return crypto.createHash("sha1").update(String(text)).digest("hex");