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Editing File: /home/ubuntu/voice-assistant-frontend/node_modules/core-js-pure/modules/web.url.constructor.js

'use strict';
// TODO: in core-js@4, move /modules/ dependencies to public entries for better optimization by tools like `preset-env`
require('../modules/es.string.iterator');
var $ = require('../internals/export');
var DESCRIPTORS = require('../internals/descriptors');
var USE_NATIVE_URL = require('../internals/url-constructor-detection');
var global = require('../internals/global');
var bind = require('../internals/function-bind-context');
var uncurryThis = require('../internals/function-uncurry-this');
var defineBuiltIn = require('../internals/define-built-in');
var defineBuiltInAccessor = require('../internals/define-built-in-accessor');
var anInstance = require('../internals/an-instance');
var hasOwn = require('../internals/has-own-property');
var assign = require('../internals/object-assign');
var arrayFrom = require('../internals/array-from');
var arraySlice = require('../internals/array-slice');
var codeAt = require('../internals/string-multibyte').codeAt;
var toASCII = require('../internals/string-punycode-to-ascii');
var $toString = require('../internals/to-string');
var setToStringTag = require('../internals/set-to-string-tag');
var validateArgumentsLength = require('../internals/validate-arguments-length');
var URLSearchParamsModule = require('../modules/web.url-search-params.constructor');
var InternalStateModule = require('../internals/internal-state');

var setInternalState = InternalStateModule.set;
var getInternalURLState = InternalStateModule.getterFor('URL');
var URLSearchParams = URLSearchParamsModule.URLSearchParams;
var getInternalSearchParamsState = URLSearchParamsModule.getState;

var NativeURL = global.URL;
var TypeError = global.TypeError;
var parseInt = global.parseInt;
var floor = Math.floor;
var pow = Math.pow;
var charAt = uncurryThis(''.charAt);
var exec = uncurryThis(/./.exec);
var join = uncurryThis([].join);
var numberToString = uncurryThis(1.0.toString);
var pop = uncurryThis([].pop);
var push = uncurryThis([].push);
var replace = uncurryThis(''.replace);
var shift = uncurryThis([].shift);
var split = uncurryThis(''.split);
var stringSlice = uncurryThis(''.slice);
var toLowerCase = uncurryThis(''.toLowerCase);
var unshift = uncurryThis([].unshift);

var INVALID_AUTHORITY = 'Invalid authority';
var INVALID_SCHEME = 'Invalid scheme';
var INVALID_HOST = 'Invalid host';
var INVALID_PORT = 'Invalid port';

var ALPHA = /[a-z]/i;
// eslint-disable-next-line regexp/no-obscure-range -- safe
var ALPHANUMERIC = /[\d+-.a-z]/i;
var DIGIT = /\d/;
var HEX_START = /^0x/i;
var OCT = /^[0-7]+$/;
var DEC = /^\d+$/;
var HEX = /^[\da-f]+$/i;
/* eslint-disable regexp/no-control-character -- safe */
var FORBIDDEN_HOST_CODE_POINT = /[\0\t\n\r #%/:<>?@[\\\]^|]/;
var FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT = /[\0\t\n\r #/:<>?@[\\\]^|]/;
var LEADING_C0_CONTROL_OR_SPACE = /^[\u0000-\u0020]+/;
var TRAILING_C0_CONTROL_OR_SPACE = /(^|[^\u0000-\u0020])[\u0000-\u0020]+$/;
var TAB_AND_NEW_LINE = /[\t\n\r]/g;
/* eslint-enable regexp/no-control-character -- safe */
var EOF;

// https://url.spec.whatwg.org/#ipv4-number-parser
var parseIPv4 = function (input) {
  var parts = split(input, '.');
  var partsLength, numbers, index, part, radix, number, ipv4;
  if (parts.length && parts[parts.length - 1] === '') {
    parts.length--;
  }
  partsLength = parts.length;
  if (partsLength > 4) return input;
  numbers = [];
  for (index = 0; index < partsLength; index++) {
    part = parts[index];
    if (part === '') return input;
    radix = 10;
    if (part.length > 1 && charAt(part, 0) === '0') {
      radix = exec(HEX_START, part) ? 16 : 8;
      part = stringSlice(part, radix === 8 ? 1 : 2);
    }
    if (part === '') {
      number = 0;
    } else {
      if (!exec(radix === 10 ? DEC : radix === 8 ? OCT : HEX, part)) return input;
      number = parseInt(part, radix);
    }
    push(numbers, number);
  }
  for (index = 0; index < partsLength; index++) {
    number = numbers[index];
    if (index === partsLength - 1) {
      if (number >= pow(256, 5 - partsLength)) return null;
    } else if (number > 255) return null;
  }
  ipv4 = pop(numbers);
  for (index = 0; index < numbers.length; index++) {
    ipv4 += numbers[index] * pow(256, 3 - index);
  }
  return ipv4;
};

// https://url.spec.whatwg.org/#concept-ipv6-parser
// eslint-disable-next-line max-statements -- TODO
var parseIPv6 = function (input) {
  var address = [0, 0, 0, 0, 0, 0, 0, 0];
  var pieceIndex = 0;
  var compress = null;
  var pointer = 0;
  var value, length, numbersSeen, ipv4Piece, number, swaps, swap;

var chr = function () {
    return charAt(input, pointer);
  };

if (chr() === ':') {
    if (charAt(input, 1) !== ':') return;
    pointer += 2;
    pieceIndex++;
    compress = pieceIndex;
  }
  while (chr()) {
    if (pieceIndex === 8) return;
    if (chr() === ':') {
      if (compress !== null) return;
      pointer++;
      pieceIndex++;
      compress = pieceIndex;
      continue;
    }
    value = length = 0;
    while (length < 4 && exec(HEX, chr())) {
      value = value * 16 + parseInt(chr(), 16);
      pointer++;
      length++;
    }
    if (chr() === '.') {
      if (length === 0) return;
      pointer -= length;
      if (pieceIndex > 6) return;
      numbersSeen = 0;
      while (chr()) {
        ipv4Piece = null;
        if (numbersSeen > 0) {
          if (chr() === '.' && numbersSeen < 4) pointer++;
          else return;
        }
        if (!exec(DIGIT, chr())) return;
        while (exec(DIGIT, chr())) {
          number = parseInt(chr(), 10);
          if (ipv4Piece === null) ipv4Piece = number;
          else if (ipv4Piece === 0) return;
          else ipv4Piece = ipv4Piece * 10 + number;
          if (ipv4Piece > 255) return;
          pointer++;
        }
        address[pieceIndex] = address[pieceIndex] * 256 + ipv4Piece;
        numbersSeen++;
        if (numbersSeen === 2 || numbersSeen === 4) pieceIndex++;
      }
      if (numbersSeen !== 4) return;
      break;
    } else if (chr() === ':') {
      pointer++;
      if (!chr()) return;
    } else if (chr()) return;
    address[pieceIndex++] = value;
  }
  if (compress !== null) {
    swaps = pieceIndex - compress;
    pieceIndex = 7;
    while (pieceIndex !== 0 && swaps > 0) {
      swap = address[pieceIndex];
      address[pieceIndex--] = address[compress + swaps - 1];
      address[compress + --swaps] = swap;
    }
  } else if (pieceIndex !== 8) return;
  return address;
};

// https://url.spec.whatwg.org/#host-serializing
var serializeHost = function (host) {
  var result, index, compress, ignore0;
  // ipv4
  if (typeof host == 'number') {
    result = [];
    for (index = 0; index < 4; index++) {
      unshift(result, host % 256);
      host = floor(host / 256);
    } return join(result, '.');
  // ipv6
  } else if (typeof host == 'object') {
    result = '';
    compress = findLongestZeroSequence(host);
    for (index = 0; index < 8; index++) {
      if (ignore0 && host[index] === 0) continue;
      if (ignore0) ignore0 = false;
      if (compress === index) {
        result += index ? ':' : '::';
        ignore0 = true;
      } else {
        result += numberToString(host[index], 16);
        if (index < 7) result += ':';
      }
    }
    return '[' + result + ']';
  } return host;
};

var percentEncode = function (chr, set) {
  var code = codeAt(chr, 0);
  return code > 0x20 && code < 0x7F && !hasOwn(set, chr) ? chr : encodeURIComponent(chr);
};

// https://url.spec.whatwg.org/#special-scheme
var specialSchemes = {
  ftp: 21,
  file: null,
  http: 80,
  https: 443,
  ws: 80,
  wss: 443
};

// https://url.spec.whatwg.org/#windows-drive-letter
var isWindowsDriveLetter = function (string, normalized) {
  var second;
  return string.length === 2 && exec(ALPHA, charAt(string, 0))
    && ((second = charAt(string, 1)) === ':' || (!normalized && second === '|'));
};

// https://url.spec.whatwg.org/#start-with-a-windows-drive-letter
var startsWithWindowsDriveLetter = function (string) {
  var third;
  return string.length > 1 && isWindowsDriveLetter(stringSlice(string, 0, 2)) && (
    string.length === 2 ||
    ((third = charAt(string, 2)) === '/' || third === '\\' || third === '?' || third === '#')
  );
};

// https://url.spec.whatwg.org/#single-dot-path-segment
var isSingleDot = function (segment) {
  return segment === '.' || toLowerCase(segment) === '%2e';
};

// https://url.spec.whatwg.org/#double-dot-path-segment
var isDoubleDot = function (segment) {
  segment = toLowerCase(segment);
  return segment === '..' || segment === '%2e.' || segment === '.%2e' || segment === '%2e%2e';
};

// States:
var SCHEME_START = {};
var SCHEME = {};
var NO_SCHEME = {};
var SPECIAL_RELATIVE_OR_AUTHORITY = {};
var PATH_OR_AUTHORITY = {};
var RELATIVE = {};
var RELATIVE_SLASH = {};
var SPECIAL_AUTHORITY_SLASHES = {};
var SPECIAL_AUTHORITY_IGNORE_SLASHES = {};
var AUTHORITY = {};
var HOST = {};
var HOSTNAME = {};
var PORT = {};
var FILE = {};
var FILE_SLASH = {};
var FILE_HOST = {};
var PATH_START = {};
var PATH = {};
var CANNOT_BE_A_BASE_URL_PATH = {};
var QUERY = {};
var FRAGMENT = {};

URLState.prototype = {
  type: 'URL',
  // https://url.spec.whatwg.org/#url-parsing
  // eslint-disable-next-line max-statements -- TODO
  parse: function (input, stateOverride, base) {
    var url = this;
    var state = stateOverride || SCHEME_START;
    var pointer = 0;
    var buffer = '';
    var seenAt = false;
    var seenBracket = false;
    var seenPasswordToken = false;
    var codePoints, chr, bufferCodePoints, failure;

input = $toString(input);

if (!stateOverride) {
      url.scheme = '';
      url.username = '';
      url.password = '';
      url.host = null;
      url.port = null;
      url.path = [];
      url.query = null;
      url.fragment = null;
      url.cannotBeABaseURL = false;
      input = replace(input, LEADING_C0_CONTROL_OR_SPACE, '');
      input = replace(input, TRAILING_C0_CONTROL_OR_SPACE, '$1');
    }

input = replace(input, TAB_AND_NEW_LINE, '');

codePoints = arrayFrom(input);

while (pointer <= codePoints.length) {
      chr = codePoints[pointer];
      switch (state) {
        case SCHEME_START:
          if (chr && exec(ALPHA, chr)) {
            buffer += toLowerCase(chr);
            state = SCHEME;
          } else if (!stateOverride) {
            state = NO_SCHEME;
            continue;
          } else return INVALID_SCHEME;
          break;

case SCHEME:
          if (chr && (exec(ALPHANUMERIC, chr) || chr === '+' || chr === '-' || chr === '.')) {
            buffer += toLowerCase(chr);
          } else if (chr === ':') {
            if (stateOverride && (
              (url.isSpecial() !== hasOwn(specialSchemes, buffer)) ||
              (buffer === 'file' && (url.includesCredentials() || url.port !== null)) ||
              (url.scheme === 'file' && !url.host)
            )) return;
            url.scheme = buffer;
            if (stateOverride) {
              if (url.isSpecial() && specialSchemes[url.scheme] === url.port) url.port = null;
              return;
            }
            buffer = '';
            if (url.scheme === 'file') {
              state = FILE;
            } else if (url.isSpecial() && base && base.scheme === url.scheme) {
              state = SPECIAL_RELATIVE_OR_AUTHORITY;
            } else if (url.isSpecial()) {
              state = SPECIAL_AUTHORITY_SLASHES;
            } else if (codePoints[pointer + 1] === '/') {
              state = PATH_OR_AUTHORITY;
              pointer++;
            } else {
              url.cannotBeABaseURL = true;
              push(url.path, '');
              state = CANNOT_BE_A_BASE_URL_PATH;
            }
          } else if (!stateOverride) {
            buffer = '';
            state = NO_SCHEME;
            pointer = 0;
            continue;
          } else return INVALID_SCHEME;
          break;

case NO_SCHEME:
          if (!base || (base.cannotBeABaseURL && chr !== '#')) return INVALID_SCHEME;
          if (base.cannotBeABaseURL && chr === '#') {
            url.scheme = base.scheme;
            url.path = arraySlice(base.path);
            url.query = base.query;
            url.fragment = '';
            url.cannotBeABaseURL = true;
            state = FRAGMENT;
            break;
          }
          state = base.scheme === 'file' ? FILE : RELATIVE;
          continue;

case SPECIAL_RELATIVE_OR_AUTHORITY:
          if (chr === '/' && codePoints[pointer + 1] === '/') {
            state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
            pointer++;
          } else {
            state = RELATIVE;
            continue;
          } break;

case PATH_OR_AUTHORITY:
          if (chr === '/') {
            state = AUTHORITY;
            break;
          } else {
            state = PATH;
            continue;
          }

case RELATIVE:
          url.scheme = base.scheme;
          if (chr === EOF) {
            url.username = base.username;
            url.password = base.password;
            url.host = base.host;
            url.port = base.port;
            url.path = arraySlice(base.path);
            url.query = base.query;
          } else if (chr === '/' || (chr === '\\' && url.isSpecial())) {
            state = RELATIVE_SLASH;
          } else if (chr === '?') {
            url.username = base.username;
            url.password = base.password;
            url.host = base.host;
            url.port = base.port;
            url.path = arraySlice(base.path);
            url.query = '';
            state = QUERY;
          } else if (chr === '#') {
            url.username = base.username;
            url.password = base.password;
            url.host = base.host;
            url.port = base.port;
            url.path = arraySlice(base.path);
            url.query = base.query;
            url.fragment = '';
            state = FRAGMENT;
          } else {
            url.username = base.username;
            url.password = base.password;
            url.host = base.host;
            url.port = base.port;
            url.path = arraySlice(base.path);
            url.path.length--;
            state = PATH;
            continue;
          } break;

case RELATIVE_SLASH:
          if (url.isSpecial() && (chr === '/' || chr === '\\')) {
            state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
          } else if (chr === '/') {
            state = AUTHORITY;
          } else {
            url.username = base.username;
            url.password = base.password;
            url.host = base.host;
            url.port = base.port;
            state = PATH;
            continue;
          } break;

case SPECIAL_AUTHORITY_SLASHES:
          state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
          if (chr !== '/' || charAt(buffer, pointer + 1) !== '/') continue;
          pointer++;
          break;

case SPECIAL_AUTHORITY_IGNORE_SLASHES:
          if (chr !== '/' && chr !== '\\') {
            state = AUTHORITY;
            continue;
          } break;

case AUTHORITY:
          if (chr === '@') {
            if (seenAt) buffer = '%40' + buffer;
            seenAt = true;
            bufferCodePoints = arrayFrom(buffer);
            for (var i = 0; i < bufferCodePoints.length; i++) {
              var codePoint = bufferCodePoints[i];
              if (codePoint === ':' && !seenPasswordToken) {
                seenPasswordToken = true;
                continue;
              }
              var encodedCodePoints = percentEncode(codePoint, userinfoPercentEncodeSet);
              if (seenPasswordToken) url.password += encodedCodePoints;
              else url.username += encodedCodePoints;
            }
            buffer = '';
          } else if (
            chr === EOF || chr === '/' || chr === '?' || chr === '#' ||
            (chr === '\\' && url.isSpecial())
          ) {
            if (seenAt && buffer === '') return INVALID_AUTHORITY;
            pointer -= arrayFrom(buffer).length + 1;
            buffer = '';
            state = HOST;
          } else buffer += chr;
          break;

case HOST:
        case HOSTNAME:
          if (stateOverride && url.scheme === 'file') {
            state = FILE_HOST;
            continue;
          } else if (chr === ':' && !seenBracket) {
            if (buffer === '') return INVALID_HOST;
            failure = url.parseHost(buffer);
            if (failure) return failure;
            buffer = '';
            state = PORT;
            if (stateOverride === HOSTNAME) return;
          } else if (
            chr === EOF || chr === '/' || chr === '?' || chr === '#' ||
            (chr === '\\' && url.isSpecial())
          ) {
            if (url.isSpecial() && buffer === '') return INVALID_HOST;
            if (stateOverride && buffer === '' && (url.includesCredentials() || url.port !== null)) return;
            failure = url.parseHost(buffer);
            if (failure) return failure;
            buffer = '';
            state = PATH_START;
            if (stateOverride) return;
            continue;
          } else {
            if (chr === '[') seenBracket = true;
            else if (chr === ']') seenBracket = false;
            buffer += chr;
          } break;

case PORT:
          if (exec(DIGIT, chr)) {
            buffer += chr;
          } else if (
            chr === EOF || chr === '/' || chr === '?' || chr === '#' ||
            (chr === '\\' && url.isSpecial()) ||
            stateOverride
          ) {
            if (buffer !== '') {
              var port = parseInt(buffer, 10);
              if (port > 0xFFFF) return INVALID_PORT;
              url.port = (url.isSpecial() && port === specialSchemes[url.scheme]) ? null : port;
              buffer = '';
            }
            if (stateOverride) return;
            state = PATH_START;
            continue;
          } else return INVALID_PORT;
          break;

case FILE:
          url.scheme = 'file';
          if (chr === '/' || chr === '\\') state = FILE_SLASH;
          else if (base && base.scheme === 'file') {
            switch (chr) {
              case EOF:
                url.host = base.host;
                url.path = arraySlice(base.path);
                url.query = base.query;
                break;
              case '?':
                url.host = base.host;
                url.path = arraySlice(base.path);
                url.query = '';
                state = QUERY;
                break;
              case '#':
                url.host = base.host;
                url.path = arraySlice(base.path);
                url.query = base.query;
                url.fragment = '';
                state = FRAGMENT;
                break;
              default:
                if (!startsWithWindowsDriveLetter(join(arraySlice(codePoints, pointer), ''))) {
                  url.host = base.host;
                  url.path = arraySlice(base.path);
                  url.shortenPath();
                }
                state = PATH;
                continue;
            }
          } else {
            state = PATH;
            continue;
          } break;

case FILE_SLASH:
          if (chr === '/' || chr === '\\') {
            state = FILE_HOST;
            break;
          }
          if (base && base.scheme === 'file' && !startsWithWindowsDriveLetter(join(arraySlice(codePoints, pointer), ''))) {
            if (isWindowsDriveLetter(base.path[0], true)) push(url.path, base.path[0]);
            else url.host = base.host;
          }
          state = PATH;
          continue;

case FILE_HOST:
          if (chr === EOF || chr === '/' || chr === '\\' || chr === '?' || chr === '#') {
            if (!stateOverride && isWindowsDriveLetter(buffer)) {
              state = PATH;
            } else if (buffer === '') {
              url.host = '';
              if (stateOverride) return;
              state = PATH_START;
            } else {
              failure = url.parseHost(buffer);
              if (failure) return failure;
              if (url.host === 'localhost') url.host = '';
              if (stateOverride) return;
              buffer = '';
              state = PATH_START;
            } continue;
          } else buffer += chr;
          break;

case PATH_START:
          if (url.isSpecial()) {
            state = PATH;
            if (chr !== '/' && chr !== '\\') continue;
          } else if (!stateOverride && chr === '?') {
            url.query = '';
            state = QUERY;
          } else if (!stateOverride && chr === '#') {
            url.fragment = '';
            state = FRAGMENT;
          } else if (chr !== EOF) {
            state = PATH;
            if (chr !== '/') continue;
          } break;

case PATH:
          if (
            chr === EOF || chr === '/' ||
            (chr === '\\' && url.isSpecial()) ||
            (!stateOverride && (chr === '?' || chr === '#'))
          ) {
            if (isDoubleDot(buffer)) {
              url.shortenPath();
              if (chr !== '/' && !(chr === '\\' && url.isSpecial())) {
                push(url.path, '');
              }
            } else if (isSingleDot(buffer)) {
              if (chr !== '/' && !(chr === '\\' && url.isSpecial())) {
                push(url.path, '');
              }
            } else {
              if (url.scheme === 'file' && !url.path.length && isWindowsDriveLetter(buffer)) {
                if (url.host) url.host = '';
                buffer = charAt(buffer, 0) + ':'; // normalize windows drive letter
              }
              push(url.path, buffer);
            }
            buffer = '';
            if (url.scheme === 'file' && (chr === EOF || chr === '?' || chr === '#')) {
              while (url.path.length > 1 && url.path[0] === '') {
                shift(url.path);
              }
            }
            if (chr === '?') {
              url.query = '';
              state = QUERY;
            } else if (chr === '#') {
              url.fragment = '';
              state = FRAGMENT;
            }
          } else {
            buffer += percentEncode(chr, pathPercentEncodeSet);
          } break;

case CANNOT_BE_A_BASE_URL_PATH:
          if (chr === '?') {
            url.query = '';
            state = QUERY;
          } else if (chr === '#') {
            url.fragment = '';
            state = FRAGMENT;
          } else if (chr !== EOF) {
            url.path[0] += percentEncode(chr, C0ControlPercentEncodeSet);
          } break;

case QUERY:
          if (!stateOverride && chr === '#') {
            url.fragment = '';
            state = FRAGMENT;
          } else if (chr !== EOF) {
            if (chr === "'" && url.isSpecial()) url.query += '%27';
            else if (chr === '#') url.query += '%23';
            else url.query += percentEncode(chr, C0ControlPercentEncodeSet);
          } break;

case FRAGMENT:
          if (chr !== EOF) url.fragment += percentEncode(chr, fragmentPercentEncodeSet);
          break;
      }

pointer++;
    }
  },
  // https://url.spec.whatwg.org/#host-parsing
  parseHost: function (input) {
    var result, codePoints, index;
    if (charAt(input, 0) === '[') {
      if (charAt(input, input.length - 1) !== ']') return INVALID_HOST;
      result = parseIPv6(stringSlice(input, 1, -1));
      if (!result) return INVALID_HOST;
      this.host = result;
    // opaque host
    } else if (!this.isSpecial()) {
      if (exec(FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT, input)) return INVALID_HOST;
      result = '';
      codePoints = arrayFrom(input);
      for (index = 0; index < codePoints.length; index++) {
        result += percentEncode(codePoints[index], C0ControlPercentEncodeSet);
      }
      this.host = result;
    } else {
      input = toASCII(input);
      if (exec(FORBIDDEN_HOST_CODE_POINT, input)) return INVALID_HOST;
      result = parseIPv4(input);
      if (result === null) return INVALID_HOST;
      this.host = result;
    }
  },
  // https://url.spec.whatwg.org/#cannot-have-a-username-password-port
  cannotHaveUsernamePasswordPort: function () {
    return !this.host || this.cannotBeABaseURL || this.scheme === 'file';
  },
  // https://url.spec.whatwg.org/#include-credentials
  includesCredentials: function () {
    return this.username !== '' || this.password !== '';
  },
  // https://url.spec.whatwg.org/#is-special
  isSpecial: function () {
    return hasOwn(specialSchemes, this.scheme);
  },
  // https://url.spec.whatwg.org/#shorten-a-urls-path
  shortenPath: function () {
    var path = this.path;
    var pathSize = path.length;
    if (pathSize && (this.scheme !== 'file' || pathSize !== 1 || !isWindowsDriveLetter(path[0], true))) {
      path.length--;
    }
  },
  // https://url.spec.whatwg.org/#concept-url-serializer
  serialize: function () {
    var url = this;
    var scheme = url.scheme;
    var username = url.username;
    var password = url.password;
    var host = url.host;
    var port = url.port;
    var path = url.path;
    var query = url.query;
    var fragment = url.fragment;
    var output = scheme + ':';
    if (host !== null) {
      output += '//';
      if (url.includesCredentials()) {
        output += username + (password ? ':' + password : '') + '@';
      }
      output += serializeHost(host);
      if (port !== null) output += ':' + port;
    } else if (scheme === 'file') output += '//';
    output += url.cannotBeABaseURL ? path[0] : path.length ? '/' + join(path, '/') : '';
    if (query !== null) output += '?' + query;
    if (fragment !== null) output += '#' + fragment;
    return output;
  },
  // https://url.spec.whatwg.org/#dom-url-href
  setHref: function (href) {
    var failure = this.parse(href);
    if (failure) throw new TypeError(failure);
    this.searchParams.update();
  },
  // https://url.spec.whatwg.org/#dom-url-origin
  getOrigin: function () {
    var scheme = this.scheme;
    var port = this.port;
    if (scheme === 'blob') try {
      return new URLConstructor(scheme.path[0]).origin;
    } catch (error) {
      return 'null';
    }
    if (scheme === 'file' || !this.isSpecial()) return 'null';
    return scheme + '://' + serializeHost(this.host) + (port !== null ? ':' + port : '');
  },
  // https://url.spec.whatwg.org/#dom-url-protocol
  getProtocol: function () {
    return this.scheme + ':';
  },
  setProtocol: function (protocol) {
    this.parse($toString(protocol) + ':', SCHEME_START);
  },
  // https://url.spec.whatwg.org/#dom-url-username
  getUsername: function () {
    return this.username;
  },
  setUsername: function (username) {
    var codePoints = arrayFrom($toString(username));
    if (this.cannotHaveUsernamePasswordPort()) return;
    this.username = '';
    for (var i = 0; i < codePoints.length; i++) {
      this.username += percentEncode(codePoints[i], userinfoPercentEncodeSet);
    }
  },
  // https://url.spec.whatwg.org/#dom-url-password
  getPassword: function () {
    return this.password;
  },
  setPassword: function (password) {
    var codePoints = arrayFrom($toString(password));
    if (this.cannotHaveUsernamePasswordPort()) return;
    this.password = '';
    for (var i = 0; i < codePoints.length; i++) {
      this.password += percentEncode(codePoints[i], userinfoPercentEncodeSet);
    }
  },
  // https://url.spec.whatwg.org/#dom-url-host
  getHost: function () {
    var host = this.host;
    var port = this.port;
    return host === null ? ''
      : port === null ? serializeHost(host)
      : serializeHost(host) + ':' + port;
  },
  setHost: function (host) {
    if (this.cannotBeABaseURL) return;
    this.parse(host, HOST);
  },
  // https://url.spec.whatwg.org/#dom-url-hostname
  getHostname: function () {
    var host = this.host;
    return host === null ? '' : serializeHost(host);
  },
  setHostname: function (hostname) {
    if (this.cannotBeABaseURL) return;
    this.parse(hostname, HOSTNAME);
  },
  // https://url.spec.whatwg.org/#dom-url-port
  getPort: function () {
    var port = this.port;
    return port === null ? '' : $toString(port);
  },
  setPort: function (port) {
    if (this.cannotHaveUsernamePasswordPort()) return;
    port = $toString(port);
    if (port === '') this.port = null;
    else this.parse(port, PORT);
  },
  // https://url.spec.whatwg.org/#dom-url-pathname
  getPathname: function () {
    var path = this.path;
    return this.cannotBeABaseURL ? path[0] : path.length ? '/' + join(path, '/') : '';
  },
  setPathname: function (pathname) {
    if (this.cannotBeABaseURL) return;
    this.path = [];
    this.parse(pathname, PATH_START);
  },
  // https://url.spec.whatwg.org/#dom-url-search
  getSearch: function () {
    var query = this.query;
    return query ? '?' + query : '';
  },
  setSearch: function (search) {
    search = $toString(search);
    if (search === '') {
      this.query = null;
    } else {
      if (charAt(search, 0) === '?') search = stringSlice(search, 1);
      this.query = '';
      this.parse(search, QUERY);
    }
    this.searchParams.update();
  },
  // https://url.spec.whatwg.org/#dom-url-searchparams
  getSearchParams: function () {
    return this.searchParams.facade;
  },
  // https://url.spec.whatwg.org/#dom-url-hash
  getHash: function () {
    var fragment = this.fragment;
    return fragment ? '#' + fragment : '';
  },
  setHash: function (hash) {
    hash = $toString(hash);
    if (hash === '') {
      this.fragment = null;
      return;
    }
    if (charAt(hash, 0) === '#') hash = stringSlice(hash, 1);
    this.fragment = '';
    this.parse(hash, FRAGMENT);
  },
  update: function () {
    this.query = this.searchParams.serialize() || null;
  }
};

// `URL` constructor
// https://url.spec.whatwg.org/#url-class
var URLConstructor = function URL(url /* , base */) {
  var that = anInstance(this, URLPrototype);
  var base = validateArgumentsLength(arguments.length, 1) > 1 ? arguments[1] : undefined;
  var state = setInternalState(that, new URLState(url, false, base));
  if (!DESCRIPTORS) {
    that.href = state.serialize();
    that.origin = state.getOrigin();
    that.protocol = state.getProtocol();
    that.username = state.getUsername();
    that.password = state.getPassword();
    that.host = state.getHost();
    that.hostname = state.getHostname();
    that.port = state.getPort();
    that.pathname = state.getPathname();
    that.search = state.getSearch();
    that.searchParams = state.getSearchParams();
    that.hash = state.getHash();
  }
};

var URLPrototype = URLConstructor.prototype;

if (DESCRIPTORS) {
  // `URL.prototype.href` accessors pair
  // https://url.spec.whatwg.org/#dom-url-href
  defineBuiltInAccessor(URLPrototype, 'href', accessorDescriptor('serialize', 'setHref'));
  // `URL.prototype.origin` getter
  // https://url.spec.whatwg.org/#dom-url-origin
  defineBuiltInAccessor(URLPrototype, 'origin', accessorDescriptor('getOrigin'));
  // `URL.prototype.protocol` accessors pair
  // https://url.spec.whatwg.org/#dom-url-protocol
  defineBuiltInAccessor(URLPrototype, 'protocol', accessorDescriptor('getProtocol', 'setProtocol'));
  // `URL.prototype.username` accessors pair
  // https://url.spec.whatwg.org/#dom-url-username
  defineBuiltInAccessor(URLPrototype, 'username', accessorDescriptor('getUsername', 'setUsername'));
  // `URL.prototype.password` accessors pair
  // https://url.spec.whatwg.org/#dom-url-password
  defineBuiltInAccessor(URLPrototype, 'password', accessorDescriptor('getPassword', 'setPassword'));
  // `URL.prototype.host` accessors pair
  // https://url.spec.whatwg.org/#dom-url-host
  defineBuiltInAccessor(URLPrototype, 'host', accessorDescriptor('getHost', 'setHost'));
  // `URL.prototype.hostname` accessors pair
  // https://url.spec.whatwg.org/#dom-url-hostname
  defineBuiltInAccessor(URLPrototype, 'hostname', accessorDescriptor('getHostname', 'setHostname'));
  // `URL.prototype.port` accessors pair
  // https://url.spec.whatwg.org/#dom-url-port
  defineBuiltInAccessor(URLPrototype, 'port', accessorDescriptor('getPort', 'setPort'));
  // `URL.prototype.pathname` accessors pair
  // https://url.spec.whatwg.org/#dom-url-pathname
  defineBuiltInAccessor(URLPrototype, 'pathname', accessorDescriptor('getPathname', 'setPathname'));
  // `URL.prototype.search` accessors pair
  // https://url.spec.whatwg.org/#dom-url-search
  defineBuiltInAccessor(URLPrototype, 'search', accessorDescriptor('getSearch', 'setSearch'));
  // `URL.prototype.searchParams` getter
  // https://url.spec.whatwg.org/#dom-url-searchparams
  defineBuiltInAccessor(URLPrototype, 'searchParams', accessorDescriptor('getSearchParams'));
  // `URL.prototype.hash` accessors pair
  // https://url.spec.whatwg.org/#dom-url-hash
  defineBuiltInAccessor(URLPrototype, 'hash', accessorDescriptor('getHash', 'setHash'));
}

// `URL.prototype.toJSON` method
// https://url.spec.whatwg.org/#dom-url-tojson
defineBuiltIn(URLPrototype, 'toJSON', function toJSON() {
  return getInternalURLState(this).serialize();
}, { enumerable: true });

// `URL.prototype.toString` method
// https://url.spec.whatwg.org/#URL-stringification-behavior
defineBuiltIn(URLPrototype, 'toString', function toString() {
  return getInternalURLState(this).serialize();
}, { enumerable: true });

if (NativeURL) {
  var nativeCreateObjectURL = NativeURL.createObjectURL;
  var nativeRevokeObjectURL = NativeURL.revokeObjectURL;
  // `URL.createObjectURL` method
  // https://developer.mozilla.org/en-US/docs/Web/API/URL/createObjectURL
  if (nativeCreateObjectURL) defineBuiltIn(URLConstructor, 'createObjectURL', bind(nativeCreateObjectURL, NativeURL));
  // `URL.revokeObjectURL` method
  // https://developer.mozilla.org/en-US/docs/Web/API/URL/revokeObjectURL
  if (nativeRevokeObjectURL) defineBuiltIn(URLConstructor, 'revokeObjectURL', bind(nativeRevokeObjectURL, NativeURL));
}

setToStringTag(URLConstructor, 'URL');

$({ global: true, constructor: true, forced: !USE_NATIVE_URL, sham: !DESCRIPTORS }, {
  URL: URLConstructor
});

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