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uri.all.js (55217B)


      1 /** @license URI.js v4.2.1 (c) 2011 Gary Court. License: http://github.com/garycourt/uri-js */
      2 (function (global, factory) {
      3 	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
      4 	typeof define === 'function' && define.amd ? define(['exports'], factory) :
      5 	(factory((global.URI = global.URI || {})));
      6 }(this, (function (exports) { 'use strict';
      7 
      8 function merge() {
      9     for (var _len = arguments.length, sets = Array(_len), _key = 0; _key < _len; _key++) {
     10         sets[_key] = arguments[_key];
     11     }
     12 
     13     if (sets.length > 1) {
     14         sets[0] = sets[0].slice(0, -1);
     15         var xl = sets.length - 1;
     16         for (var x = 1; x < xl; ++x) {
     17             sets[x] = sets[x].slice(1, -1);
     18         }
     19         sets[xl] = sets[xl].slice(1);
     20         return sets.join('');
     21     } else {
     22         return sets[0];
     23     }
     24 }
     25 function subexp(str) {
     26     return "(?:" + str + ")";
     27 }
     28 function typeOf(o) {
     29     return o === undefined ? "undefined" : o === null ? "null" : Object.prototype.toString.call(o).split(" ").pop().split("]").shift().toLowerCase();
     30 }
     31 function toUpperCase(str) {
     32     return str.toUpperCase();
     33 }
     34 function toArray(obj) {
     35     return obj !== undefined && obj !== null ? obj instanceof Array ? obj : typeof obj.length !== "number" || obj.split || obj.setInterval || obj.call ? [obj] : Array.prototype.slice.call(obj) : [];
     36 }
     37 function assign(target, source) {
     38     var obj = target;
     39     if (source) {
     40         for (var key in source) {
     41             obj[key] = source[key];
     42         }
     43     }
     44     return obj;
     45 }
     46 
     47 function buildExps(isIRI) {
     48     var ALPHA$$ = "[A-Za-z]",
     49         CR$ = "[\\x0D]",
     50         DIGIT$$ = "[0-9]",
     51         DQUOTE$$ = "[\\x22]",
     52         HEXDIG$$ = merge(DIGIT$$, "[A-Fa-f]"),
     53         //case-insensitive
     54     LF$$ = "[\\x0A]",
     55         SP$$ = "[\\x20]",
     56         PCT_ENCODED$ = subexp(subexp("%[EFef]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%[89A-Fa-f]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%" + HEXDIG$$ + HEXDIG$$)),
     57         //expanded
     58     GEN_DELIMS$$ = "[\\:\\/\\?\\#\\[\\]\\@]",
     59         SUB_DELIMS$$ = "[\\!\\$\\&\\'\\(\\)\\*\\+\\,\\;\\=]",
     60         RESERVED$$ = merge(GEN_DELIMS$$, SUB_DELIMS$$),
     61         UCSCHAR$$ = isIRI ? "[\\xA0-\\u200D\\u2010-\\u2029\\u202F-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF]" : "[]",
     62         //subset, excludes bidi control characters
     63     IPRIVATE$$ = isIRI ? "[\\uE000-\\uF8FF]" : "[]",
     64         //subset
     65     UNRESERVED$$ = merge(ALPHA$$, DIGIT$$, "[\\-\\.\\_\\~]", UCSCHAR$$),
     66         SCHEME$ = subexp(ALPHA$$ + merge(ALPHA$$, DIGIT$$, "[\\+\\-\\.]") + "*"),
     67         USERINFO$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:]")) + "*"),
     68         DEC_OCTET$ = subexp(subexp("25[0-5]") + "|" + subexp("2[0-4]" + DIGIT$$) + "|" + subexp("1" + DIGIT$$ + DIGIT$$) + "|" + subexp("[1-9]" + DIGIT$$) + "|" + DIGIT$$),
     69         DEC_OCTET_RELAXED$ = subexp(subexp("25[0-5]") + "|" + subexp("2[0-4]" + DIGIT$$) + "|" + subexp("1" + DIGIT$$ + DIGIT$$) + "|" + subexp("0?[1-9]" + DIGIT$$) + "|0?0?" + DIGIT$$),
     70         //relaxed parsing rules
     71     IPV4ADDRESS$ = subexp(DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$),
     72         H16$ = subexp(HEXDIG$$ + "{1,4}"),
     73         LS32$ = subexp(subexp(H16$ + "\\:" + H16$) + "|" + IPV4ADDRESS$),
     74         IPV6ADDRESS1$ = subexp(subexp(H16$ + "\\:") + "{6}" + LS32$),
     75         //                           6( h16 ":" ) ls32
     76     IPV6ADDRESS2$ = subexp("\\:\\:" + subexp(H16$ + "\\:") + "{5}" + LS32$),
     77         //                      "::" 5( h16 ":" ) ls32
     78     IPV6ADDRESS3$ = subexp(subexp(H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{4}" + LS32$),
     79         //[               h16 ] "::" 4( h16 ":" ) ls32
     80     IPV6ADDRESS4$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,1}" + H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{3}" + LS32$),
     81         //[ *1( h16 ":" ) h16 ] "::" 3( h16 ":" ) ls32
     82     IPV6ADDRESS5$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,2}" + H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{2}" + LS32$),
     83         //[ *2( h16 ":" ) h16 ] "::" 2( h16 ":" ) ls32
     84     IPV6ADDRESS6$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,3}" + H16$) + "?\\:\\:" + H16$ + "\\:" + LS32$),
     85         //[ *3( h16 ":" ) h16 ] "::"    h16 ":"   ls32
     86     IPV6ADDRESS7$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,4}" + H16$) + "?\\:\\:" + LS32$),
     87         //[ *4( h16 ":" ) h16 ] "::"              ls32
     88     IPV6ADDRESS8$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,5}" + H16$) + "?\\:\\:" + H16$),
     89         //[ *5( h16 ":" ) h16 ] "::"              h16
     90     IPV6ADDRESS9$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,6}" + H16$) + "?\\:\\:"),
     91         //[ *6( h16 ":" ) h16 ] "::"
     92     IPV6ADDRESS$ = subexp([IPV6ADDRESS1$, IPV6ADDRESS2$, IPV6ADDRESS3$, IPV6ADDRESS4$, IPV6ADDRESS5$, IPV6ADDRESS6$, IPV6ADDRESS7$, IPV6ADDRESS8$, IPV6ADDRESS9$].join("|")),
     93         ZONEID$ = subexp(subexp(UNRESERVED$$ + "|" + PCT_ENCODED$) + "+"),
     94         //RFC 6874
     95     IPV6ADDRZ$ = subexp(IPV6ADDRESS$ + "\\%25" + ZONEID$),
     96         //RFC 6874
     97     IPV6ADDRZ_RELAXED$ = subexp(IPV6ADDRESS$ + subexp("\\%25|\\%(?!" + HEXDIG$$ + "{2})") + ZONEID$),
     98         //RFC 6874, with relaxed parsing rules
     99     IPVFUTURE$ = subexp("[vV]" + HEXDIG$$ + "+\\." + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:]") + "+"),
    100         IP_LITERAL$ = subexp("\\[" + subexp(IPV6ADDRZ_RELAXED$ + "|" + IPV6ADDRESS$ + "|" + IPVFUTURE$) + "\\]"),
    101         //RFC 6874
    102     REG_NAME$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$)) + "*"),
    103         HOST$ = subexp(IP_LITERAL$ + "|" + IPV4ADDRESS$ + "(?!" + REG_NAME$ + ")" + "|" + REG_NAME$),
    104         PORT$ = subexp(DIGIT$$ + "*"),
    105         AUTHORITY$ = subexp(subexp(USERINFO$ + "@") + "?" + HOST$ + subexp("\\:" + PORT$) + "?"),
    106         PCHAR$ = subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@]")),
    107         SEGMENT$ = subexp(PCHAR$ + "*"),
    108         SEGMENT_NZ$ = subexp(PCHAR$ + "+"),
    109         SEGMENT_NZ_NC$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\@]")) + "+"),
    110         PATH_ABEMPTY$ = subexp(subexp("\\/" + SEGMENT$) + "*"),
    111         PATH_ABSOLUTE$ = subexp("\\/" + subexp(SEGMENT_NZ$ + PATH_ABEMPTY$) + "?"),
    112         //simplified
    113     PATH_NOSCHEME$ = subexp(SEGMENT_NZ_NC$ + PATH_ABEMPTY$),
    114         //simplified
    115     PATH_ROOTLESS$ = subexp(SEGMENT_NZ$ + PATH_ABEMPTY$),
    116         //simplified
    117     PATH_EMPTY$ = "(?!" + PCHAR$ + ")",
    118         PATH$ = subexp(PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$),
    119         QUERY$ = subexp(subexp(PCHAR$ + "|" + merge("[\\/\\?]", IPRIVATE$$)) + "*"),
    120         FRAGMENT$ = subexp(subexp(PCHAR$ + "|[\\/\\?]") + "*"),
    121         HIER_PART$ = subexp(subexp("\\/\\/" + AUTHORITY$ + PATH_ABEMPTY$) + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$),
    122         URI$ = subexp(SCHEME$ + "\\:" + HIER_PART$ + subexp("\\?" + QUERY$) + "?" + subexp("\\#" + FRAGMENT$) + "?"),
    123         RELATIVE_PART$ = subexp(subexp("\\/\\/" + AUTHORITY$ + PATH_ABEMPTY$) + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_EMPTY$),
    124         RELATIVE$ = subexp(RELATIVE_PART$ + subexp("\\?" + QUERY$) + "?" + subexp("\\#" + FRAGMENT$) + "?"),
    125         URI_REFERENCE$ = subexp(URI$ + "|" + RELATIVE$),
    126         ABSOLUTE_URI$ = subexp(SCHEME$ + "\\:" + HIER_PART$ + subexp("\\?" + QUERY$) + "?"),
    127         GENERIC_REF$ = "^(" + SCHEME$ + ")\\:" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?" + subexp("\\#(" + FRAGMENT$ + ")") + "?$",
    128         RELATIVE_REF$ = "^(){0}" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?" + subexp("\\#(" + FRAGMENT$ + ")") + "?$",
    129         ABSOLUTE_REF$ = "^(" + SCHEME$ + ")\\:" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?$",
    130         SAMEDOC_REF$ = "^" + subexp("\\#(" + FRAGMENT$ + ")") + "?$",
    131         AUTHORITY_REF$ = "^" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?$";
    132     return {
    133         NOT_SCHEME: new RegExp(merge("[^]", ALPHA$$, DIGIT$$, "[\\+\\-\\.]"), "g"),
    134         NOT_USERINFO: new RegExp(merge("[^\\%\\:]", UNRESERVED$$, SUB_DELIMS$$), "g"),
    135         NOT_HOST: new RegExp(merge("[^\\%\\[\\]\\:]", UNRESERVED$$, SUB_DELIMS$$), "g"),
    136         NOT_PATH: new RegExp(merge("[^\\%\\/\\:\\@]", UNRESERVED$$, SUB_DELIMS$$), "g"),
    137         NOT_PATH_NOSCHEME: new RegExp(merge("[^\\%\\/\\@]", UNRESERVED$$, SUB_DELIMS$$), "g"),
    138         NOT_QUERY: new RegExp(merge("[^\\%]", UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@\\/\\?]", IPRIVATE$$), "g"),
    139         NOT_FRAGMENT: new RegExp(merge("[^\\%]", UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@\\/\\?]"), "g"),
    140         ESCAPE: new RegExp(merge("[^]", UNRESERVED$$, SUB_DELIMS$$), "g"),
    141         UNRESERVED: new RegExp(UNRESERVED$$, "g"),
    142         OTHER_CHARS: new RegExp(merge("[^\\%]", UNRESERVED$$, RESERVED$$), "g"),
    143         PCT_ENCODED: new RegExp(PCT_ENCODED$, "g"),
    144         IPV4ADDRESS: new RegExp("^(" + IPV4ADDRESS$ + ")$"),
    145         IPV6ADDRESS: new RegExp("^\\[?(" + IPV6ADDRESS$ + ")" + subexp(subexp("\\%25|\\%(?!" + HEXDIG$$ + "{2})") + "(" + ZONEID$ + ")") + "?\\]?$") //RFC 6874, with relaxed parsing rules
    146     };
    147 }
    148 var URI_PROTOCOL = buildExps(false);
    149 
    150 var IRI_PROTOCOL = buildExps(true);
    151 
    152 var slicedToArray = function () {
    153   function sliceIterator(arr, i) {
    154     var _arr = [];
    155     var _n = true;
    156     var _d = false;
    157     var _e = undefined;
    158 
    159     try {
    160       for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
    161         _arr.push(_s.value);
    162 
    163         if (i && _arr.length === i) break;
    164       }
    165     } catch (err) {
    166       _d = true;
    167       _e = err;
    168     } finally {
    169       try {
    170         if (!_n && _i["return"]) _i["return"]();
    171       } finally {
    172         if (_d) throw _e;
    173       }
    174     }
    175 
    176     return _arr;
    177   }
    178 
    179   return function (arr, i) {
    180     if (Array.isArray(arr)) {
    181       return arr;
    182     } else if (Symbol.iterator in Object(arr)) {
    183       return sliceIterator(arr, i);
    184     } else {
    185       throw new TypeError("Invalid attempt to destructure non-iterable instance");
    186     }
    187   };
    188 }();
    189 
    190 
    191 
    192 
    193 
    194 
    195 
    196 
    197 
    198 
    199 
    200 
    201 
    202 var toConsumableArray = function (arr) {
    203   if (Array.isArray(arr)) {
    204     for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
    205 
    206     return arr2;
    207   } else {
    208     return Array.from(arr);
    209   }
    210 };
    211 
    212 /** Highest positive signed 32-bit float value */
    213 
    214 var maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1
    215 
    216 /** Bootstring parameters */
    217 var base = 36;
    218 var tMin = 1;
    219 var tMax = 26;
    220 var skew = 38;
    221 var damp = 700;
    222 var initialBias = 72;
    223 var initialN = 128; // 0x80
    224 var delimiter = '-'; // '\x2D'
    225 
    226 /** Regular expressions */
    227 var regexPunycode = /^xn--/;
    228 var regexNonASCII = /[^\0-\x7E]/; // non-ASCII chars
    229 var regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g; // RFC 3490 separators
    230 
    231 /** Error messages */
    232 var errors = {
    233 	'overflow': 'Overflow: input needs wider integers to process',
    234 	'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
    235 	'invalid-input': 'Invalid input'
    236 };
    237 
    238 /** Convenience shortcuts */
    239 var baseMinusTMin = base - tMin;
    240 var floor = Math.floor;
    241 var stringFromCharCode = String.fromCharCode;
    242 
    243 /*--------------------------------------------------------------------------*/
    244 
    245 /**
    246  * A generic error utility function.
    247  * @private
    248  * @param {String} type The error type.
    249  * @returns {Error} Throws a `RangeError` with the applicable error message.
    250  */
    251 function error$1(type) {
    252 	throw new RangeError(errors[type]);
    253 }
    254 
    255 /**
    256  * A generic `Array#map` utility function.
    257  * @private
    258  * @param {Array} array The array to iterate over.
    259  * @param {Function} callback The function that gets called for every array
    260  * item.
    261  * @returns {Array} A new array of values returned by the callback function.
    262  */
    263 function map(array, fn) {
    264 	var result = [];
    265 	var length = array.length;
    266 	while (length--) {
    267 		result[length] = fn(array[length]);
    268 	}
    269 	return result;
    270 }
    271 
    272 /**
    273  * A simple `Array#map`-like wrapper to work with domain name strings or email
    274  * addresses.
    275  * @private
    276  * @param {String} domain The domain name or email address.
    277  * @param {Function} callback The function that gets called for every
    278  * character.
    279  * @returns {Array} A new string of characters returned by the callback
    280  * function.
    281  */
    282 function mapDomain(string, fn) {
    283 	var parts = string.split('@');
    284 	var result = '';
    285 	if (parts.length > 1) {
    286 		// In email addresses, only the domain name should be punycoded. Leave
    287 		// the local part (i.e. everything up to `@`) intact.
    288 		result = parts[0] + '@';
    289 		string = parts[1];
    290 	}
    291 	// Avoid `split(regex)` for IE8 compatibility. See #17.
    292 	string = string.replace(regexSeparators, '\x2E');
    293 	var labels = string.split('.');
    294 	var encoded = map(labels, fn).join('.');
    295 	return result + encoded;
    296 }
    297 
    298 /**
    299  * Creates an array containing the numeric code points of each Unicode
    300  * character in the string. While JavaScript uses UCS-2 internally,
    301  * this function will convert a pair of surrogate halves (each of which
    302  * UCS-2 exposes as separate characters) into a single code point,
    303  * matching UTF-16.
    304  * @see `punycode.ucs2.encode`
    305  * @see <https://mathiasbynens.be/notes/javascript-encoding>
    306  * @memberOf punycode.ucs2
    307  * @name decode
    308  * @param {String} string The Unicode input string (UCS-2).
    309  * @returns {Array} The new array of code points.
    310  */
    311 function ucs2decode(string) {
    312 	var output = [];
    313 	var counter = 0;
    314 	var length = string.length;
    315 	while (counter < length) {
    316 		var value = string.charCodeAt(counter++);
    317 		if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
    318 			// It's a high surrogate, and there is a next character.
    319 			var extra = string.charCodeAt(counter++);
    320 			if ((extra & 0xFC00) == 0xDC00) {
    321 				// Low surrogate.
    322 				output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
    323 			} else {
    324 				// It's an unmatched surrogate; only append this code unit, in case the
    325 				// next code unit is the high surrogate of a surrogate pair.
    326 				output.push(value);
    327 				counter--;
    328 			}
    329 		} else {
    330 			output.push(value);
    331 		}
    332 	}
    333 	return output;
    334 }
    335 
    336 /**
    337  * Creates a string based on an array of numeric code points.
    338  * @see `punycode.ucs2.decode`
    339  * @memberOf punycode.ucs2
    340  * @name encode
    341  * @param {Array} codePoints The array of numeric code points.
    342  * @returns {String} The new Unicode string (UCS-2).
    343  */
    344 var ucs2encode = function ucs2encode(array) {
    345 	return String.fromCodePoint.apply(String, toConsumableArray(array));
    346 };
    347 
    348 /**
    349  * Converts a basic code point into a digit/integer.
    350  * @see `digitToBasic()`
    351  * @private
    352  * @param {Number} codePoint The basic numeric code point value.
    353  * @returns {Number} The numeric value of a basic code point (for use in
    354  * representing integers) in the range `0` to `base - 1`, or `base` if
    355  * the code point does not represent a value.
    356  */
    357 var basicToDigit = function basicToDigit(codePoint) {
    358 	if (codePoint - 0x30 < 0x0A) {
    359 		return codePoint - 0x16;
    360 	}
    361 	if (codePoint - 0x41 < 0x1A) {
    362 		return codePoint - 0x41;
    363 	}
    364 	if (codePoint - 0x61 < 0x1A) {
    365 		return codePoint - 0x61;
    366 	}
    367 	return base;
    368 };
    369 
    370 /**
    371  * Converts a digit/integer into a basic code point.
    372  * @see `basicToDigit()`
    373  * @private
    374  * @param {Number} digit The numeric value of a basic code point.
    375  * @returns {Number} The basic code point whose value (when used for
    376  * representing integers) is `digit`, which needs to be in the range
    377  * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
    378  * used; else, the lowercase form is used. The behavior is undefined
    379  * if `flag` is non-zero and `digit` has no uppercase form.
    380  */
    381 var digitToBasic = function digitToBasic(digit, flag) {
    382 	//  0..25 map to ASCII a..z or A..Z
    383 	// 26..35 map to ASCII 0..9
    384 	return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
    385 };
    386 
    387 /**
    388  * Bias adaptation function as per section 3.4 of RFC 3492.
    389  * https://tools.ietf.org/html/rfc3492#section-3.4
    390  * @private
    391  */
    392 var adapt = function adapt(delta, numPoints, firstTime) {
    393 	var k = 0;
    394 	delta = firstTime ? floor(delta / damp) : delta >> 1;
    395 	delta += floor(delta / numPoints);
    396 	for (; /* no initialization */delta > baseMinusTMin * tMax >> 1; k += base) {
    397 		delta = floor(delta / baseMinusTMin);
    398 	}
    399 	return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
    400 };
    401 
    402 /**
    403  * Converts a Punycode string of ASCII-only symbols to a string of Unicode
    404  * symbols.
    405  * @memberOf punycode
    406  * @param {String} input The Punycode string of ASCII-only symbols.
    407  * @returns {String} The resulting string of Unicode symbols.
    408  */
    409 var decode = function decode(input) {
    410 	// Don't use UCS-2.
    411 	var output = [];
    412 	var inputLength = input.length;
    413 	var i = 0;
    414 	var n = initialN;
    415 	var bias = initialBias;
    416 
    417 	// Handle the basic code points: let `basic` be the number of input code
    418 	// points before the last delimiter, or `0` if there is none, then copy
    419 	// the first basic code points to the output.
    420 
    421 	var basic = input.lastIndexOf(delimiter);
    422 	if (basic < 0) {
    423 		basic = 0;
    424 	}
    425 
    426 	for (var j = 0; j < basic; ++j) {
    427 		// if it's not a basic code point
    428 		if (input.charCodeAt(j) >= 0x80) {
    429 			error$1('not-basic');
    430 		}
    431 		output.push(input.charCodeAt(j));
    432 	}
    433 
    434 	// Main decoding loop: start just after the last delimiter if any basic code
    435 	// points were copied; start at the beginning otherwise.
    436 
    437 	for (var index = basic > 0 ? basic + 1 : 0; index < inputLength;) /* no final expression */{
    438 
    439 		// `index` is the index of the next character to be consumed.
    440 		// Decode a generalized variable-length integer into `delta`,
    441 		// which gets added to `i`. The overflow checking is easier
    442 		// if we increase `i` as we go, then subtract off its starting
    443 		// value at the end to obtain `delta`.
    444 		var oldi = i;
    445 		for (var w = 1, k = base;; /* no condition */k += base) {
    446 
    447 			if (index >= inputLength) {
    448 				error$1('invalid-input');
    449 			}
    450 
    451 			var digit = basicToDigit(input.charCodeAt(index++));
    452 
    453 			if (digit >= base || digit > floor((maxInt - i) / w)) {
    454 				error$1('overflow');
    455 			}
    456 
    457 			i += digit * w;
    458 			var t = k <= bias ? tMin : k >= bias + tMax ? tMax : k - bias;
    459 
    460 			if (digit < t) {
    461 				break;
    462 			}
    463 
    464 			var baseMinusT = base - t;
    465 			if (w > floor(maxInt / baseMinusT)) {
    466 				error$1('overflow');
    467 			}
    468 
    469 			w *= baseMinusT;
    470 		}
    471 
    472 		var out = output.length + 1;
    473 		bias = adapt(i - oldi, out, oldi == 0);
    474 
    475 		// `i` was supposed to wrap around from `out` to `0`,
    476 		// incrementing `n` each time, so we'll fix that now:
    477 		if (floor(i / out) > maxInt - n) {
    478 			error$1('overflow');
    479 		}
    480 
    481 		n += floor(i / out);
    482 		i %= out;
    483 
    484 		// Insert `n` at position `i` of the output.
    485 		output.splice(i++, 0, n);
    486 	}
    487 
    488 	return String.fromCodePoint.apply(String, output);
    489 };
    490 
    491 /**
    492  * Converts a string of Unicode symbols (e.g. a domain name label) to a
    493  * Punycode string of ASCII-only symbols.
    494  * @memberOf punycode
    495  * @param {String} input The string of Unicode symbols.
    496  * @returns {String} The resulting Punycode string of ASCII-only symbols.
    497  */
    498 var encode = function encode(input) {
    499 	var output = [];
    500 
    501 	// Convert the input in UCS-2 to an array of Unicode code points.
    502 	input = ucs2decode(input);
    503 
    504 	// Cache the length.
    505 	var inputLength = input.length;
    506 
    507 	// Initialize the state.
    508 	var n = initialN;
    509 	var delta = 0;
    510 	var bias = initialBias;
    511 
    512 	// Handle the basic code points.
    513 	var _iteratorNormalCompletion = true;
    514 	var _didIteratorError = false;
    515 	var _iteratorError = undefined;
    516 
    517 	try {
    518 		for (var _iterator = input[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
    519 			var _currentValue2 = _step.value;
    520 
    521 			if (_currentValue2 < 0x80) {
    522 				output.push(stringFromCharCode(_currentValue2));
    523 			}
    524 		}
    525 	} catch (err) {
    526 		_didIteratorError = true;
    527 		_iteratorError = err;
    528 	} finally {
    529 		try {
    530 			if (!_iteratorNormalCompletion && _iterator.return) {
    531 				_iterator.return();
    532 			}
    533 		} finally {
    534 			if (_didIteratorError) {
    535 				throw _iteratorError;
    536 			}
    537 		}
    538 	}
    539 
    540 	var basicLength = output.length;
    541 	var handledCPCount = basicLength;
    542 
    543 	// `handledCPCount` is the number of code points that have been handled;
    544 	// `basicLength` is the number of basic code points.
    545 
    546 	// Finish the basic string with a delimiter unless it's empty.
    547 	if (basicLength) {
    548 		output.push(delimiter);
    549 	}
    550 
    551 	// Main encoding loop:
    552 	while (handledCPCount < inputLength) {
    553 
    554 		// All non-basic code points < n have been handled already. Find the next
    555 		// larger one:
    556 		var m = maxInt;
    557 		var _iteratorNormalCompletion2 = true;
    558 		var _didIteratorError2 = false;
    559 		var _iteratorError2 = undefined;
    560 
    561 		try {
    562 			for (var _iterator2 = input[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
    563 				var currentValue = _step2.value;
    564 
    565 				if (currentValue >= n && currentValue < m) {
    566 					m = currentValue;
    567 				}
    568 			}
    569 
    570 			// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
    571 			// but guard against overflow.
    572 		} catch (err) {
    573 			_didIteratorError2 = true;
    574 			_iteratorError2 = err;
    575 		} finally {
    576 			try {
    577 				if (!_iteratorNormalCompletion2 && _iterator2.return) {
    578 					_iterator2.return();
    579 				}
    580 			} finally {
    581 				if (_didIteratorError2) {
    582 					throw _iteratorError2;
    583 				}
    584 			}
    585 		}
    586 
    587 		var handledCPCountPlusOne = handledCPCount + 1;
    588 		if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
    589 			error$1('overflow');
    590 		}
    591 
    592 		delta += (m - n) * handledCPCountPlusOne;
    593 		n = m;
    594 
    595 		var _iteratorNormalCompletion3 = true;
    596 		var _didIteratorError3 = false;
    597 		var _iteratorError3 = undefined;
    598 
    599 		try {
    600 			for (var _iterator3 = input[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) {
    601 				var _currentValue = _step3.value;
    602 
    603 				if (_currentValue < n && ++delta > maxInt) {
    604 					error$1('overflow');
    605 				}
    606 				if (_currentValue == n) {
    607 					// Represent delta as a generalized variable-length integer.
    608 					var q = delta;
    609 					for (var k = base;; /* no condition */k += base) {
    610 						var t = k <= bias ? tMin : k >= bias + tMax ? tMax : k - bias;
    611 						if (q < t) {
    612 							break;
    613 						}
    614 						var qMinusT = q - t;
    615 						var baseMinusT = base - t;
    616 						output.push(stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0)));
    617 						q = floor(qMinusT / baseMinusT);
    618 					}
    619 
    620 					output.push(stringFromCharCode(digitToBasic(q, 0)));
    621 					bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
    622 					delta = 0;
    623 					++handledCPCount;
    624 				}
    625 			}
    626 		} catch (err) {
    627 			_didIteratorError3 = true;
    628 			_iteratorError3 = err;
    629 		} finally {
    630 			try {
    631 				if (!_iteratorNormalCompletion3 && _iterator3.return) {
    632 					_iterator3.return();
    633 				}
    634 			} finally {
    635 				if (_didIteratorError3) {
    636 					throw _iteratorError3;
    637 				}
    638 			}
    639 		}
    640 
    641 		++delta;
    642 		++n;
    643 	}
    644 	return output.join('');
    645 };
    646 
    647 /**
    648  * Converts a Punycode string representing a domain name or an email address
    649  * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
    650  * it doesn't matter if you call it on a string that has already been
    651  * converted to Unicode.
    652  * @memberOf punycode
    653  * @param {String} input The Punycoded domain name or email address to
    654  * convert to Unicode.
    655  * @returns {String} The Unicode representation of the given Punycode
    656  * string.
    657  */
    658 var toUnicode = function toUnicode(input) {
    659 	return mapDomain(input, function (string) {
    660 		return regexPunycode.test(string) ? decode(string.slice(4).toLowerCase()) : string;
    661 	});
    662 };
    663 
    664 /**
    665  * Converts a Unicode string representing a domain name or an email address to
    666  * Punycode. Only the non-ASCII parts of the domain name will be converted,
    667  * i.e. it doesn't matter if you call it with a domain that's already in
    668  * ASCII.
    669  * @memberOf punycode
    670  * @param {String} input The domain name or email address to convert, as a
    671  * Unicode string.
    672  * @returns {String} The Punycode representation of the given domain name or
    673  * email address.
    674  */
    675 var toASCII = function toASCII(input) {
    676 	return mapDomain(input, function (string) {
    677 		return regexNonASCII.test(string) ? 'xn--' + encode(string) : string;
    678 	});
    679 };
    680 
    681 /*--------------------------------------------------------------------------*/
    682 
    683 /** Define the public API */
    684 var punycode = {
    685 	/**
    686   * A string representing the current Punycode.js version number.
    687   * @memberOf punycode
    688   * @type String
    689   */
    690 	'version': '2.1.0',
    691 	/**
    692   * An object of methods to convert from JavaScript's internal character
    693   * representation (UCS-2) to Unicode code points, and back.
    694   * @see <https://mathiasbynens.be/notes/javascript-encoding>
    695   * @memberOf punycode
    696   * @type Object
    697   */
    698 	'ucs2': {
    699 		'decode': ucs2decode,
    700 		'encode': ucs2encode
    701 	},
    702 	'decode': decode,
    703 	'encode': encode,
    704 	'toASCII': toASCII,
    705 	'toUnicode': toUnicode
    706 };
    707 
    708 /**
    709  * URI.js
    710  *
    711  * @fileoverview An RFC 3986 compliant, scheme extendable URI parsing/validating/resolving library for JavaScript.
    712  * @author <a href="mailto:gary.court@gmail.com">Gary Court</a>
    713  * @see http://github.com/garycourt/uri-js
    714  */
    715 /**
    716  * Copyright 2011 Gary Court. All rights reserved.
    717  *
    718  * Redistribution and use in source and binary forms, with or without modification, are
    719  * permitted provided that the following conditions are met:
    720  *
    721  *    1. Redistributions of source code must retain the above copyright notice, this list of
    722  *       conditions and the following disclaimer.
    723  *
    724  *    2. Redistributions in binary form must reproduce the above copyright notice, this list
    725  *       of conditions and the following disclaimer in the documentation and/or other materials
    726  *       provided with the distribution.
    727  *
    728  * THIS SOFTWARE IS PROVIDED BY GARY COURT ``AS IS'' AND ANY EXPRESS OR IMPLIED
    729  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
    730  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARY COURT OR
    731  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    732  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    733  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
    734  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
    735  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
    736  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    737  *
    738  * The views and conclusions contained in the software and documentation are those of the
    739  * authors and should not be interpreted as representing official policies, either expressed
    740  * or implied, of Gary Court.
    741  */
    742 var SCHEMES = {};
    743 function pctEncChar(chr) {
    744     var c = chr.charCodeAt(0);
    745     var e = void 0;
    746     if (c < 16) e = "%0" + c.toString(16).toUpperCase();else if (c < 128) e = "%" + c.toString(16).toUpperCase();else if (c < 2048) e = "%" + (c >> 6 | 192).toString(16).toUpperCase() + "%" + (c & 63 | 128).toString(16).toUpperCase();else e = "%" + (c >> 12 | 224).toString(16).toUpperCase() + "%" + (c >> 6 & 63 | 128).toString(16).toUpperCase() + "%" + (c & 63 | 128).toString(16).toUpperCase();
    747     return e;
    748 }
    749 function pctDecChars(str) {
    750     var newStr = "";
    751     var i = 0;
    752     var il = str.length;
    753     while (i < il) {
    754         var c = parseInt(str.substr(i + 1, 2), 16);
    755         if (c < 128) {
    756             newStr += String.fromCharCode(c);
    757             i += 3;
    758         } else if (c >= 194 && c < 224) {
    759             if (il - i >= 6) {
    760                 var c2 = parseInt(str.substr(i + 4, 2), 16);
    761                 newStr += String.fromCharCode((c & 31) << 6 | c2 & 63);
    762             } else {
    763                 newStr += str.substr(i, 6);
    764             }
    765             i += 6;
    766         } else if (c >= 224) {
    767             if (il - i >= 9) {
    768                 var _c = parseInt(str.substr(i + 4, 2), 16);
    769                 var c3 = parseInt(str.substr(i + 7, 2), 16);
    770                 newStr += String.fromCharCode((c & 15) << 12 | (_c & 63) << 6 | c3 & 63);
    771             } else {
    772                 newStr += str.substr(i, 9);
    773             }
    774             i += 9;
    775         } else {
    776             newStr += str.substr(i, 3);
    777             i += 3;
    778         }
    779     }
    780     return newStr;
    781 }
    782 function _normalizeComponentEncoding(components, protocol) {
    783     function decodeUnreserved(str) {
    784         var decStr = pctDecChars(str);
    785         return !decStr.match(protocol.UNRESERVED) ? str : decStr;
    786     }
    787     if (components.scheme) components.scheme = String(components.scheme).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_SCHEME, "");
    788     if (components.userinfo !== undefined) components.userinfo = String(components.userinfo).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_USERINFO, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
    789     if (components.host !== undefined) components.host = String(components.host).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_HOST, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
    790     if (components.path !== undefined) components.path = String(components.path).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(components.scheme ? protocol.NOT_PATH : protocol.NOT_PATH_NOSCHEME, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
    791     if (components.query !== undefined) components.query = String(components.query).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_QUERY, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
    792     if (components.fragment !== undefined) components.fragment = String(components.fragment).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_FRAGMENT, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
    793     return components;
    794 }
    795 
    796 function _stripLeadingZeros(str) {
    797     return str.replace(/^0*(.*)/, "$1") || "0";
    798 }
    799 function _normalizeIPv4(host, protocol) {
    800     var matches = host.match(protocol.IPV4ADDRESS) || [];
    801 
    802     var _matches = slicedToArray(matches, 2),
    803         address = _matches[1];
    804 
    805     if (address) {
    806         return address.split(".").map(_stripLeadingZeros).join(".");
    807     } else {
    808         return host;
    809     }
    810 }
    811 function _normalizeIPv6(host, protocol) {
    812     var matches = host.match(protocol.IPV6ADDRESS) || [];
    813 
    814     var _matches2 = slicedToArray(matches, 3),
    815         address = _matches2[1],
    816         zone = _matches2[2];
    817 
    818     if (address) {
    819         var _address$toLowerCase$ = address.toLowerCase().split('::').reverse(),
    820             _address$toLowerCase$2 = slicedToArray(_address$toLowerCase$, 2),
    821             last = _address$toLowerCase$2[0],
    822             first = _address$toLowerCase$2[1];
    823 
    824         var firstFields = first ? first.split(":").map(_stripLeadingZeros) : [];
    825         var lastFields = last.split(":").map(_stripLeadingZeros);
    826         var isLastFieldIPv4Address = protocol.IPV4ADDRESS.test(lastFields[lastFields.length - 1]);
    827         var fieldCount = isLastFieldIPv4Address ? 7 : 8;
    828         var lastFieldsStart = lastFields.length - fieldCount;
    829         var fields = Array(fieldCount);
    830         for (var x = 0; x < fieldCount; ++x) {
    831             fields[x] = firstFields[x] || lastFields[lastFieldsStart + x] || '';
    832         }
    833         if (isLastFieldIPv4Address) {
    834             fields[fieldCount - 1] = _normalizeIPv4(fields[fieldCount - 1], protocol);
    835         }
    836         var allZeroFields = fields.reduce(function (acc, field, index) {
    837             if (!field || field === "0") {
    838                 var lastLongest = acc[acc.length - 1];
    839                 if (lastLongest && lastLongest.index + lastLongest.length === index) {
    840                     lastLongest.length++;
    841                 } else {
    842                     acc.push({ index: index, length: 1 });
    843                 }
    844             }
    845             return acc;
    846         }, []);
    847         var longestZeroFields = allZeroFields.sort(function (a, b) {
    848             return b.length - a.length;
    849         })[0];
    850         var newHost = void 0;
    851         if (longestZeroFields && longestZeroFields.length > 1) {
    852             var newFirst = fields.slice(0, longestZeroFields.index);
    853             var newLast = fields.slice(longestZeroFields.index + longestZeroFields.length);
    854             newHost = newFirst.join(":") + "::" + newLast.join(":");
    855         } else {
    856             newHost = fields.join(":");
    857         }
    858         if (zone) {
    859             newHost += "%" + zone;
    860         }
    861         return newHost;
    862     } else {
    863         return host;
    864     }
    865 }
    866 var URI_PARSE = /^(?:([^:\/?#]+):)?(?:\/\/((?:([^\/?#@]*)@)?(\[[^\/?#\]]+\]|[^\/?#:]*)(?:\:(\d*))?))?([^?#]*)(?:\?([^#]*))?(?:#((?:.|\n|\r)*))?/i;
    867 var NO_MATCH_IS_UNDEFINED = "".match(/(){0}/)[1] === undefined;
    868 function parse(uriString) {
    869     var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    870 
    871     var components = {};
    872     var protocol = options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL;
    873     if (options.reference === "suffix") uriString = (options.scheme ? options.scheme + ":" : "") + "//" + uriString;
    874     var matches = uriString.match(URI_PARSE);
    875     if (matches) {
    876         if (NO_MATCH_IS_UNDEFINED) {
    877             //store each component
    878             components.scheme = matches[1];
    879             components.userinfo = matches[3];
    880             components.host = matches[4];
    881             components.port = parseInt(matches[5], 10);
    882             components.path = matches[6] || "";
    883             components.query = matches[7];
    884             components.fragment = matches[8];
    885             //fix port number
    886             if (isNaN(components.port)) {
    887                 components.port = matches[5];
    888             }
    889         } else {
    890             //IE FIX for improper RegExp matching
    891             //store each component
    892             components.scheme = matches[1] || undefined;
    893             components.userinfo = uriString.indexOf("@") !== -1 ? matches[3] : undefined;
    894             components.host = uriString.indexOf("//") !== -1 ? matches[4] : undefined;
    895             components.port = parseInt(matches[5], 10);
    896             components.path = matches[6] || "";
    897             components.query = uriString.indexOf("?") !== -1 ? matches[7] : undefined;
    898             components.fragment = uriString.indexOf("#") !== -1 ? matches[8] : undefined;
    899             //fix port number
    900             if (isNaN(components.port)) {
    901                 components.port = uriString.match(/\/\/(?:.|\n)*\:(?:\/|\?|\#|$)/) ? matches[4] : undefined;
    902             }
    903         }
    904         if (components.host) {
    905             //normalize IP hosts
    906             components.host = _normalizeIPv6(_normalizeIPv4(components.host, protocol), protocol);
    907         }
    908         //determine reference type
    909         if (components.scheme === undefined && components.userinfo === undefined && components.host === undefined && components.port === undefined && !components.path && components.query === undefined) {
    910             components.reference = "same-document";
    911         } else if (components.scheme === undefined) {
    912             components.reference = "relative";
    913         } else if (components.fragment === undefined) {
    914             components.reference = "absolute";
    915         } else {
    916             components.reference = "uri";
    917         }
    918         //check for reference errors
    919         if (options.reference && options.reference !== "suffix" && options.reference !== components.reference) {
    920             components.error = components.error || "URI is not a " + options.reference + " reference.";
    921         }
    922         //find scheme handler
    923         var schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()];
    924         //check if scheme can't handle IRIs
    925         if (!options.unicodeSupport && (!schemeHandler || !schemeHandler.unicodeSupport)) {
    926             //if host component is a domain name
    927             if (components.host && (options.domainHost || schemeHandler && schemeHandler.domainHost)) {
    928                 //convert Unicode IDN -> ASCII IDN
    929                 try {
    930                     components.host = punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase());
    931                 } catch (e) {
    932                     components.error = components.error || "Host's domain name can not be converted to ASCII via punycode: " + e;
    933                 }
    934             }
    935             //convert IRI -> URI
    936             _normalizeComponentEncoding(components, URI_PROTOCOL);
    937         } else {
    938             //normalize encodings
    939             _normalizeComponentEncoding(components, protocol);
    940         }
    941         //perform scheme specific parsing
    942         if (schemeHandler && schemeHandler.parse) {
    943             schemeHandler.parse(components, options);
    944         }
    945     } else {
    946         components.error = components.error || "URI can not be parsed.";
    947     }
    948     return components;
    949 }
    950 
    951 function _recomposeAuthority(components, options) {
    952     var protocol = options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL;
    953     var uriTokens = [];
    954     if (components.userinfo !== undefined) {
    955         uriTokens.push(components.userinfo);
    956         uriTokens.push("@");
    957     }
    958     if (components.host !== undefined) {
    959         //normalize IP hosts, add brackets and escape zone separator for IPv6
    960         uriTokens.push(_normalizeIPv6(_normalizeIPv4(String(components.host), protocol), protocol).replace(protocol.IPV6ADDRESS, function (_, $1, $2) {
    961             return "[" + $1 + ($2 ? "%25" + $2 : "") + "]";
    962         }));
    963     }
    964     if (typeof components.port === "number") {
    965         uriTokens.push(":");
    966         uriTokens.push(components.port.toString(10));
    967     }
    968     return uriTokens.length ? uriTokens.join("") : undefined;
    969 }
    970 
    971 var RDS1 = /^\.\.?\//;
    972 var RDS2 = /^\/\.(\/|$)/;
    973 var RDS3 = /^\/\.\.(\/|$)/;
    974 var RDS5 = /^\/?(?:.|\n)*?(?=\/|$)/;
    975 function removeDotSegments(input) {
    976     var output = [];
    977     while (input.length) {
    978         if (input.match(RDS1)) {
    979             input = input.replace(RDS1, "");
    980         } else if (input.match(RDS2)) {
    981             input = input.replace(RDS2, "/");
    982         } else if (input.match(RDS3)) {
    983             input = input.replace(RDS3, "/");
    984             output.pop();
    985         } else if (input === "." || input === "..") {
    986             input = "";
    987         } else {
    988             var im = input.match(RDS5);
    989             if (im) {
    990                 var s = im[0];
    991                 input = input.slice(s.length);
    992                 output.push(s);
    993             } else {
    994                 throw new Error("Unexpected dot segment condition");
    995             }
    996         }
    997     }
    998     return output.join("");
    999 }
   1000 
   1001 function serialize(components) {
   1002     var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
   1003 
   1004     var protocol = options.iri ? IRI_PROTOCOL : URI_PROTOCOL;
   1005     var uriTokens = [];
   1006     //find scheme handler
   1007     var schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()];
   1008     //perform scheme specific serialization
   1009     if (schemeHandler && schemeHandler.serialize) schemeHandler.serialize(components, options);
   1010     if (components.host) {
   1011         //if host component is an IPv6 address
   1012         if (protocol.IPV6ADDRESS.test(components.host)) {}
   1013         //TODO: normalize IPv6 address as per RFC 5952
   1014 
   1015         //if host component is a domain name
   1016         else if (options.domainHost || schemeHandler && schemeHandler.domainHost) {
   1017                 //convert IDN via punycode
   1018                 try {
   1019                     components.host = !options.iri ? punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase()) : punycode.toUnicode(components.host);
   1020                 } catch (e) {
   1021                     components.error = components.error || "Host's domain name can not be converted to " + (!options.iri ? "ASCII" : "Unicode") + " via punycode: " + e;
   1022                 }
   1023             }
   1024     }
   1025     //normalize encoding
   1026     _normalizeComponentEncoding(components, protocol);
   1027     if (options.reference !== "suffix" && components.scheme) {
   1028         uriTokens.push(components.scheme);
   1029         uriTokens.push(":");
   1030     }
   1031     var authority = _recomposeAuthority(components, options);
   1032     if (authority !== undefined) {
   1033         if (options.reference !== "suffix") {
   1034             uriTokens.push("//");
   1035         }
   1036         uriTokens.push(authority);
   1037         if (components.path && components.path.charAt(0) !== "/") {
   1038             uriTokens.push("/");
   1039         }
   1040     }
   1041     if (components.path !== undefined) {
   1042         var s = components.path;
   1043         if (!options.absolutePath && (!schemeHandler || !schemeHandler.absolutePath)) {
   1044             s = removeDotSegments(s);
   1045         }
   1046         if (authority === undefined) {
   1047             s = s.replace(/^\/\//, "/%2F"); //don't allow the path to start with "//"
   1048         }
   1049         uriTokens.push(s);
   1050     }
   1051     if (components.query !== undefined) {
   1052         uriTokens.push("?");
   1053         uriTokens.push(components.query);
   1054     }
   1055     if (components.fragment !== undefined) {
   1056         uriTokens.push("#");
   1057         uriTokens.push(components.fragment);
   1058     }
   1059     return uriTokens.join(""); //merge tokens into a string
   1060 }
   1061 
   1062 function resolveComponents(base, relative) {
   1063     var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
   1064     var skipNormalization = arguments[3];
   1065 
   1066     var target = {};
   1067     if (!skipNormalization) {
   1068         base = parse(serialize(base, options), options); //normalize base components
   1069         relative = parse(serialize(relative, options), options); //normalize relative components
   1070     }
   1071     options = options || {};
   1072     if (!options.tolerant && relative.scheme) {
   1073         target.scheme = relative.scheme;
   1074         //target.authority = relative.authority;
   1075         target.userinfo = relative.userinfo;
   1076         target.host = relative.host;
   1077         target.port = relative.port;
   1078         target.path = removeDotSegments(relative.path || "");
   1079         target.query = relative.query;
   1080     } else {
   1081         if (relative.userinfo !== undefined || relative.host !== undefined || relative.port !== undefined) {
   1082             //target.authority = relative.authority;
   1083             target.userinfo = relative.userinfo;
   1084             target.host = relative.host;
   1085             target.port = relative.port;
   1086             target.path = removeDotSegments(relative.path || "");
   1087             target.query = relative.query;
   1088         } else {
   1089             if (!relative.path) {
   1090                 target.path = base.path;
   1091                 if (relative.query !== undefined) {
   1092                     target.query = relative.query;
   1093                 } else {
   1094                     target.query = base.query;
   1095                 }
   1096             } else {
   1097                 if (relative.path.charAt(0) === "/") {
   1098                     target.path = removeDotSegments(relative.path);
   1099                 } else {
   1100                     if ((base.userinfo !== undefined || base.host !== undefined || base.port !== undefined) && !base.path) {
   1101                         target.path = "/" + relative.path;
   1102                     } else if (!base.path) {
   1103                         target.path = relative.path;
   1104                     } else {
   1105                         target.path = base.path.slice(0, base.path.lastIndexOf("/") + 1) + relative.path;
   1106                     }
   1107                     target.path = removeDotSegments(target.path);
   1108                 }
   1109                 target.query = relative.query;
   1110             }
   1111             //target.authority = base.authority;
   1112             target.userinfo = base.userinfo;
   1113             target.host = base.host;
   1114             target.port = base.port;
   1115         }
   1116         target.scheme = base.scheme;
   1117     }
   1118     target.fragment = relative.fragment;
   1119     return target;
   1120 }
   1121 
   1122 function resolve(baseURI, relativeURI, options) {
   1123     var schemelessOptions = assign({ scheme: 'null' }, options);
   1124     return serialize(resolveComponents(parse(baseURI, schemelessOptions), parse(relativeURI, schemelessOptions), schemelessOptions, true), schemelessOptions);
   1125 }
   1126 
   1127 function normalize(uri, options) {
   1128     if (typeof uri === "string") {
   1129         uri = serialize(parse(uri, options), options);
   1130     } else if (typeOf(uri) === "object") {
   1131         uri = parse(serialize(uri, options), options);
   1132     }
   1133     return uri;
   1134 }
   1135 
   1136 function equal(uriA, uriB, options) {
   1137     if (typeof uriA === "string") {
   1138         uriA = serialize(parse(uriA, options), options);
   1139     } else if (typeOf(uriA) === "object") {
   1140         uriA = serialize(uriA, options);
   1141     }
   1142     if (typeof uriB === "string") {
   1143         uriB = serialize(parse(uriB, options), options);
   1144     } else if (typeOf(uriB) === "object") {
   1145         uriB = serialize(uriB, options);
   1146     }
   1147     return uriA === uriB;
   1148 }
   1149 
   1150 function escapeComponent(str, options) {
   1151     return str && str.toString().replace(!options || !options.iri ? URI_PROTOCOL.ESCAPE : IRI_PROTOCOL.ESCAPE, pctEncChar);
   1152 }
   1153 
   1154 function unescapeComponent(str, options) {
   1155     return str && str.toString().replace(!options || !options.iri ? URI_PROTOCOL.PCT_ENCODED : IRI_PROTOCOL.PCT_ENCODED, pctDecChars);
   1156 }
   1157 
   1158 var handler = {
   1159     scheme: "http",
   1160     domainHost: true,
   1161     parse: function parse(components, options) {
   1162         //report missing host
   1163         if (!components.host) {
   1164             components.error = components.error || "HTTP URIs must have a host.";
   1165         }
   1166         return components;
   1167     },
   1168     serialize: function serialize(components, options) {
   1169         //normalize the default port
   1170         if (components.port === (String(components.scheme).toLowerCase() !== "https" ? 80 : 443) || components.port === "") {
   1171             components.port = undefined;
   1172         }
   1173         //normalize the empty path
   1174         if (!components.path) {
   1175             components.path = "/";
   1176         }
   1177         //NOTE: We do not parse query strings for HTTP URIs
   1178         //as WWW Form Url Encoded query strings are part of the HTML4+ spec,
   1179         //and not the HTTP spec.
   1180         return components;
   1181     }
   1182 };
   1183 
   1184 var handler$1 = {
   1185     scheme: "https",
   1186     domainHost: handler.domainHost,
   1187     parse: handler.parse,
   1188     serialize: handler.serialize
   1189 };
   1190 
   1191 var O = {};
   1192 var isIRI = true;
   1193 //RFC 3986
   1194 var UNRESERVED$$ = "[A-Za-z0-9\\-\\.\\_\\~" + (isIRI ? "\\xA0-\\u200D\\u2010-\\u2029\\u202F-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF" : "") + "]";
   1195 var HEXDIG$$ = "[0-9A-Fa-f]"; //case-insensitive
   1196 var PCT_ENCODED$ = subexp(subexp("%[EFef]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%[89A-Fa-f]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%" + HEXDIG$$ + HEXDIG$$)); //expanded
   1197 //RFC 5322, except these symbols as per RFC 6068: @ : / ? # [ ] & ; =
   1198 //const ATEXT$$ = "[A-Za-z0-9\\!\\#\\$\\%\\&\\'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]";
   1199 //const WSP$$ = "[\\x20\\x09]";
   1200 //const OBS_QTEXT$$ = "[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x7F]";  //(%d1-8 / %d11-12 / %d14-31 / %d127)
   1201 //const QTEXT$$ = merge("[\\x21\\x23-\\x5B\\x5D-\\x7E]", OBS_QTEXT$$);  //%d33 / %d35-91 / %d93-126 / obs-qtext
   1202 //const VCHAR$$ = "[\\x21-\\x7E]";
   1203 //const WSP$$ = "[\\x20\\x09]";
   1204 //const OBS_QP$ = subexp("\\\\" + merge("[\\x00\\x0D\\x0A]", OBS_QTEXT$$));  //%d0 / CR / LF / obs-qtext
   1205 //const FWS$ = subexp(subexp(WSP$$ + "*" + "\\x0D\\x0A") + "?" + WSP$$ + "+");
   1206 //const QUOTED_PAIR$ = subexp(subexp("\\\\" + subexp(VCHAR$$ + "|" + WSP$$)) + "|" + OBS_QP$);
   1207 //const QUOTED_STRING$ = subexp('\\"' + subexp(FWS$ + "?" + QCONTENT$) + "*" + FWS$ + "?" + '\\"');
   1208 var ATEXT$$ = "[A-Za-z0-9\\!\\$\\%\\'\\*\\+\\-\\^\\_\\`\\{\\|\\}\\~]";
   1209 var QTEXT$$ = "[\\!\\$\\%\\'\\(\\)\\*\\+\\,\\-\\.0-9\\<\\>A-Z\\x5E-\\x7E]";
   1210 var VCHAR$$ = merge(QTEXT$$, "[\\\"\\\\]");
   1211 var SOME_DELIMS$$ = "[\\!\\$\\'\\(\\)\\*\\+\\,\\;\\:\\@]";
   1212 var UNRESERVED = new RegExp(UNRESERVED$$, "g");
   1213 var PCT_ENCODED = new RegExp(PCT_ENCODED$, "g");
   1214 var NOT_LOCAL_PART = new RegExp(merge("[^]", ATEXT$$, "[\\.]", '[\\"]', VCHAR$$), "g");
   1215 var NOT_HFNAME = new RegExp(merge("[^]", UNRESERVED$$, SOME_DELIMS$$), "g");
   1216 var NOT_HFVALUE = NOT_HFNAME;
   1217 function decodeUnreserved(str) {
   1218     var decStr = pctDecChars(str);
   1219     return !decStr.match(UNRESERVED) ? str : decStr;
   1220 }
   1221 var handler$2 = {
   1222     scheme: "mailto",
   1223     parse: function parse$$1(components, options) {
   1224         var mailtoComponents = components;
   1225         var to = mailtoComponents.to = mailtoComponents.path ? mailtoComponents.path.split(",") : [];
   1226         mailtoComponents.path = undefined;
   1227         if (mailtoComponents.query) {
   1228             var unknownHeaders = false;
   1229             var headers = {};
   1230             var hfields = mailtoComponents.query.split("&");
   1231             for (var x = 0, xl = hfields.length; x < xl; ++x) {
   1232                 var hfield = hfields[x].split("=");
   1233                 switch (hfield[0]) {
   1234                     case "to":
   1235                         var toAddrs = hfield[1].split(",");
   1236                         for (var _x = 0, _xl = toAddrs.length; _x < _xl; ++_x) {
   1237                             to.push(toAddrs[_x]);
   1238                         }
   1239                         break;
   1240                     case "subject":
   1241                         mailtoComponents.subject = unescapeComponent(hfield[1], options);
   1242                         break;
   1243                     case "body":
   1244                         mailtoComponents.body = unescapeComponent(hfield[1], options);
   1245                         break;
   1246                     default:
   1247                         unknownHeaders = true;
   1248                         headers[unescapeComponent(hfield[0], options)] = unescapeComponent(hfield[1], options);
   1249                         break;
   1250                 }
   1251             }
   1252             if (unknownHeaders) mailtoComponents.headers = headers;
   1253         }
   1254         mailtoComponents.query = undefined;
   1255         for (var _x2 = 0, _xl2 = to.length; _x2 < _xl2; ++_x2) {
   1256             var addr = to[_x2].split("@");
   1257             addr[0] = unescapeComponent(addr[0]);
   1258             if (!options.unicodeSupport) {
   1259                 //convert Unicode IDN -> ASCII IDN
   1260                 try {
   1261                     addr[1] = punycode.toASCII(unescapeComponent(addr[1], options).toLowerCase());
   1262                 } catch (e) {
   1263                     mailtoComponents.error = mailtoComponents.error || "Email address's domain name can not be converted to ASCII via punycode: " + e;
   1264                 }
   1265             } else {
   1266                 addr[1] = unescapeComponent(addr[1], options).toLowerCase();
   1267             }
   1268             to[_x2] = addr.join("@");
   1269         }
   1270         return mailtoComponents;
   1271     },
   1272     serialize: function serialize$$1(mailtoComponents, options) {
   1273         var components = mailtoComponents;
   1274         var to = toArray(mailtoComponents.to);
   1275         if (to) {
   1276             for (var x = 0, xl = to.length; x < xl; ++x) {
   1277                 var toAddr = String(to[x]);
   1278                 var atIdx = toAddr.lastIndexOf("@");
   1279                 var localPart = toAddr.slice(0, atIdx).replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_LOCAL_PART, pctEncChar);
   1280                 var domain = toAddr.slice(atIdx + 1);
   1281                 //convert IDN via punycode
   1282                 try {
   1283                     domain = !options.iri ? punycode.toASCII(unescapeComponent(domain, options).toLowerCase()) : punycode.toUnicode(domain);
   1284                 } catch (e) {
   1285                     components.error = components.error || "Email address's domain name can not be converted to " + (!options.iri ? "ASCII" : "Unicode") + " via punycode: " + e;
   1286                 }
   1287                 to[x] = localPart + "@" + domain;
   1288             }
   1289             components.path = to.join(",");
   1290         }
   1291         var headers = mailtoComponents.headers = mailtoComponents.headers || {};
   1292         if (mailtoComponents.subject) headers["subject"] = mailtoComponents.subject;
   1293         if (mailtoComponents.body) headers["body"] = mailtoComponents.body;
   1294         var fields = [];
   1295         for (var name in headers) {
   1296             if (headers[name] !== O[name]) {
   1297                 fields.push(name.replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFNAME, pctEncChar) + "=" + headers[name].replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFVALUE, pctEncChar));
   1298             }
   1299         }
   1300         if (fields.length) {
   1301             components.query = fields.join("&");
   1302         }
   1303         return components;
   1304     }
   1305 };
   1306 
   1307 var URN_PARSE = /^([^\:]+)\:(.*)/;
   1308 //RFC 2141
   1309 var handler$3 = {
   1310     scheme: "urn",
   1311     parse: function parse$$1(components, options) {
   1312         var matches = components.path && components.path.match(URN_PARSE);
   1313         var urnComponents = components;
   1314         if (matches) {
   1315             var scheme = options.scheme || urnComponents.scheme || "urn";
   1316             var nid = matches[1].toLowerCase();
   1317             var nss = matches[2];
   1318             var urnScheme = scheme + ":" + (options.nid || nid);
   1319             var schemeHandler = SCHEMES[urnScheme];
   1320             urnComponents.nid = nid;
   1321             urnComponents.nss = nss;
   1322             urnComponents.path = undefined;
   1323             if (schemeHandler) {
   1324                 urnComponents = schemeHandler.parse(urnComponents, options);
   1325             }
   1326         } else {
   1327             urnComponents.error = urnComponents.error || "URN can not be parsed.";
   1328         }
   1329         return urnComponents;
   1330     },
   1331     serialize: function serialize$$1(urnComponents, options) {
   1332         var scheme = options.scheme || urnComponents.scheme || "urn";
   1333         var nid = urnComponents.nid;
   1334         var urnScheme = scheme + ":" + (options.nid || nid);
   1335         var schemeHandler = SCHEMES[urnScheme];
   1336         if (schemeHandler) {
   1337             urnComponents = schemeHandler.serialize(urnComponents, options);
   1338         }
   1339         var uriComponents = urnComponents;
   1340         var nss = urnComponents.nss;
   1341         uriComponents.path = (nid || options.nid) + ":" + nss;
   1342         return uriComponents;
   1343     }
   1344 };
   1345 
   1346 var UUID = /^[0-9A-Fa-f]{8}(?:\-[0-9A-Fa-f]{4}){3}\-[0-9A-Fa-f]{12}$/;
   1347 //RFC 4122
   1348 var handler$4 = {
   1349     scheme: "urn:uuid",
   1350     parse: function parse(urnComponents, options) {
   1351         var uuidComponents = urnComponents;
   1352         uuidComponents.uuid = uuidComponents.nss;
   1353         uuidComponents.nss = undefined;
   1354         if (!options.tolerant && (!uuidComponents.uuid || !uuidComponents.uuid.match(UUID))) {
   1355             uuidComponents.error = uuidComponents.error || "UUID is not valid.";
   1356         }
   1357         return uuidComponents;
   1358     },
   1359     serialize: function serialize(uuidComponents, options) {
   1360         var urnComponents = uuidComponents;
   1361         //normalize UUID
   1362         urnComponents.nss = (uuidComponents.uuid || "").toLowerCase();
   1363         return urnComponents;
   1364     }
   1365 };
   1366 
   1367 SCHEMES[handler.scheme] = handler;
   1368 SCHEMES[handler$1.scheme] = handler$1;
   1369 SCHEMES[handler$2.scheme] = handler$2;
   1370 SCHEMES[handler$3.scheme] = handler$3;
   1371 SCHEMES[handler$4.scheme] = handler$4;
   1372 
   1373 exports.SCHEMES = SCHEMES;
   1374 exports.pctEncChar = pctEncChar;
   1375 exports.pctDecChars = pctDecChars;
   1376 exports.parse = parse;
   1377 exports.removeDotSegments = removeDotSegments;
   1378 exports.serialize = serialize;
   1379 exports.resolveComponents = resolveComponents;
   1380 exports.resolve = resolve;
   1381 exports.normalize = normalize;
   1382 exports.equal = equal;
   1383 exports.escapeComponent = escapeComponent;
   1384 exports.unescapeComponent = unescapeComponent;
   1385 
   1386 Object.defineProperty(exports, '__esModule', { value: true });
   1387 
   1388 })));
   1389 //# sourceMappingURL=uri.all.js.map