SnowLuma/.pnpm-store/v11/files/ed/f0ffea4e9a632976d2e0931f019c30551acb25c50269c6cc295960569f0e35608801a3dd63ad7a0950afccd087893e5899c1a57a2e9af79f6dfbf0adf57059

'use strict';

// https://mathiasbynens.be/notes/javascript-encoding
// https://github.com/bestiejs/punycode.js - punycode.ucs2.decode
module.exports = function ucs2length(str) {
  var length = 0
    , len = str.length
    , pos = 0
    , value;
  while (pos < len) {
    length++;
    value = str.charCodeAt(pos++);
    if (value >= 0xD800 && value <= 0xDBFF && pos < len) {
      // high surrogate, and there is a next character
      value = str.charCodeAt(pos);
      if ((value & 0xFC00) == 0xDC00) pos++; // low surrogate
    }
  }
  return length;
};