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@@ -0,0 +1,533 @@
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/*! https://mths.be/punycode v1.4.1 by @mathias */
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;(function(root) {
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/** Detect free variables */
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var freeExports = typeof exports == 'object' && exports &&
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!exports.nodeType && exports;
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var freeModule = typeof module == 'object' && module &&
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!module.nodeType && module;
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var freeGlobal = typeof global == 'object' && global;
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if (
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freeGlobal.global === freeGlobal ||
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freeGlobal.window === freeGlobal ||
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freeGlobal.self === freeGlobal
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) {
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root = freeGlobal;
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}
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/**
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* The `punycode` object.
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* @name punycode
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* @type Object
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*/
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var punycode,
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/** Highest positive signed 32-bit float value */
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maxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1
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/** Bootstring parameters */
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base = 36,
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tMin = 1,
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tMax = 26,
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skew = 38,
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damp = 700,
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initialBias = 72,
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initialN = 128, // 0x80
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delimiter = '-', // '\x2D'
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/** Regular expressions */
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regexPunycode = /^xn--/,
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regexNonASCII = /[^\x20-\x7E]/, // unprintable ASCII chars + non-ASCII chars
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regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g, // RFC 3490 separators
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/** Error messages */
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errors = {
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'overflow': 'Overflow: input needs wider integers to process',
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'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
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'invalid-input': 'Invalid input'
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},
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/** Convenience shortcuts */
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baseMinusTMin = base - tMin,
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floor = Math.floor,
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stringFromCharCode = String.fromCharCode,
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/** Temporary variable */
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key;
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/*--------------------------------------------------------------------------*/
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/**
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* A generic error utility function.
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* @private
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* @param {String} type The error type.
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* @returns {Error} Throws a `RangeError` with the applicable error message.
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*/
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function error(type) {
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throw new RangeError(errors[type]);
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}
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/**
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* A generic `Array#map` utility function.
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* @private
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* @param {Array} array The array to iterate over.
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* @param {Function} callback The function that gets called for every array
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* item.
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* @returns {Array} A new array of values returned by the callback function.
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*/
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function map(array, fn) {
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var length = array.length;
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var result = [];
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while (length--) {
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result[length] = fn(array[length]);
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}
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return result;
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}
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/**
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* A simple `Array#map`-like wrapper to work with domain name strings or email
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* addresses.
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* @private
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* @param {String} domain The domain name or email address.
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* @param {Function} callback The function that gets called for every
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* character.
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* @returns {Array} A new string of characters returned by the callback
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* function.
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*/
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function mapDomain(string, fn) {
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var parts = string.split('@');
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var result = '';
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if (parts.length > 1) {
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// In email addresses, only the domain name should be punycoded. Leave
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// the local part (i.e. everything up to `@`) intact.
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result = parts[0] + '@';
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string = parts[1];
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}
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// Avoid `split(regex)` for IE8 compatibility. See #17.
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string = string.replace(regexSeparators, '\x2E');
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var labels = string.split('.');
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var encoded = map(labels, fn).join('.');
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return result + encoded;
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}
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/**
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* Creates an array containing the numeric code points of each Unicode
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* character in the string. While JavaScript uses UCS-2 internally,
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* this function will convert a pair of surrogate halves (each of which
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* UCS-2 exposes as separate characters) into a single code point,
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* matching UTF-16.
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* @see `punycode.ucs2.encode`
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* @see <https://mathiasbynens.be/notes/javascript-encoding>
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* @memberOf punycode.ucs2
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* @name decode
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* @param {String} string The Unicode input string (UCS-2).
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* @returns {Array} The new array of code points.
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*/
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function ucs2decode(string) {
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var output = [],
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counter = 0,
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length = string.length,
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value,
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extra;
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while (counter < length) {
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value = string.charCodeAt(counter++);
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if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
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// high surrogate, and there is a next character
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extra = string.charCodeAt(counter++);
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if ((extra & 0xFC00) == 0xDC00) { // low surrogate
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output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
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} else {
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// unmatched surrogate; only append this code unit, in case the next
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// code unit is the high surrogate of a surrogate pair
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output.push(value);
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counter--;
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}
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} else {
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output.push(value);
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}
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}
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return output;
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}
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/**
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* Creates a string based on an array of numeric code points.
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* @see `punycode.ucs2.decode`
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* @memberOf punycode.ucs2
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* @name encode
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* @param {Array} codePoints The array of numeric code points.
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* @returns {String} The new Unicode string (UCS-2).
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*/
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function ucs2encode(array) {
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return map(array, function(value) {
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var output = '';
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if (value > 0xFFFF) {
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value -= 0x10000;
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output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
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value = 0xDC00 | value & 0x3FF;
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}
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output += stringFromCharCode(value);
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return output;
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}).join('');
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}
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/**
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* Converts a basic code point into a digit/integer.
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* @see `digitToBasic()`
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* @private
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* @param {Number} codePoint The basic numeric code point value.
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* @returns {Number} The numeric value of a basic code point (for use in
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* representing integers) in the range `0` to `base - 1`, or `base` if
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* the code point does not represent a value.
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*/
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function basicToDigit(codePoint) {
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if (codePoint - 48 < 10) {
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return codePoint - 22;
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}
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if (codePoint - 65 < 26) {
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return codePoint - 65;
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}
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if (codePoint - 97 < 26) {
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return codePoint - 97;
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}
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return base;
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}
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/**
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* Converts a digit/integer into a basic code point.
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* @see `basicToDigit()`
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* @private
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* @param {Number} digit The numeric value of a basic code point.
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* @returns {Number} The basic code point whose value (when used for
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* representing integers) is `digit`, which needs to be in the range
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* `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
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* used; else, the lowercase form is used. The behavior is undefined
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* if `flag` is non-zero and `digit` has no uppercase form.
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*/
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function digitToBasic(digit, flag) {
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// 0..25 map to ASCII a..z or A..Z
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// 26..35 map to ASCII 0..9
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return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
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}
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/**
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* Bias adaptation function as per section 3.4 of RFC 3492.
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* https://tools.ietf.org/html/rfc3492#section-3.4
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* @private
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*/
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function adapt(delta, numPoints, firstTime) {
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var k = 0;
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delta = firstTime ? floor(delta / damp) : delta >> 1;
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delta += floor(delta / numPoints);
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for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {
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delta = floor(delta / baseMinusTMin);
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}
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return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
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}
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/**
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* Converts a Punycode string of ASCII-only symbols to a string of Unicode
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* symbols.
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* @memberOf punycode
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* @param {String} input The Punycode string of ASCII-only symbols.
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* @returns {String} The resulting string of Unicode symbols.
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*/
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function decode(input) {
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// Don't use UCS-2
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var output = [],
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inputLength = input.length,
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out,
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i = 0,
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n = initialN,
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bias = initialBias,
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basic,
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j,
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index,
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oldi,
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w,
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k,
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digit,
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t,
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/** Cached calculation results */
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baseMinusT;
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// Handle the basic code points: let `basic` be the number of input code
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// points before the last delimiter, or `0` if there is none, then copy
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// the first basic code points to the output.
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basic = input.lastIndexOf(delimiter);
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if (basic < 0) {
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basic = 0;
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}
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for (j = 0; j < basic; ++j) {
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// if it's not a basic code point
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if (input.charCodeAt(j) >= 0x80) {
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error('not-basic');
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}
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output.push(input.charCodeAt(j));
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}
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// Main decoding loop: start just after the last delimiter if any basic code
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// points were copied; start at the beginning otherwise.
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for (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {
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// `index` is the index of the next character to be consumed.
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// Decode a generalized variable-length integer into `delta`,
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// which gets added to `i`. The overflow checking is easier
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// if we increase `i` as we go, then subtract off its starting
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// value at the end to obtain `delta`.
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for (oldi = i, w = 1, k = base; /* no condition */; k += base) {
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if (index >= inputLength) {
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error('invalid-input');
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}
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digit = basicToDigit(input.charCodeAt(index++));
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if (digit >= base || digit > floor((maxInt - i) / w)) {
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error('overflow');
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}
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i += digit * w;
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t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
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if (digit < t) {
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break;
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}
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baseMinusT = base - t;
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if (w > floor(maxInt / baseMinusT)) {
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error('overflow');
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}
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w *= baseMinusT;
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}
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out = output.length + 1;
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bias = adapt(i - oldi, out, oldi == 0);
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// `i` was supposed to wrap around from `out` to `0`,
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// incrementing `n` each time, so we'll fix that now:
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if (floor(i / out) > maxInt - n) {
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error('overflow');
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}
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n += floor(i / out);
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i %= out;
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// Insert `n` at position `i` of the output
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output.splice(i++, 0, n);
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}
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return ucs2encode(output);
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}
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/**
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* Converts a string of Unicode symbols (e.g. a domain name label) to a
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* Punycode string of ASCII-only symbols.
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* @memberOf punycode
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* @param {String} input The string of Unicode symbols.
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* @returns {String} The resulting Punycode string of ASCII-only symbols.
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*/
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function encode(input) {
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var n,
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delta,
|
|
|
|
|
handledCPCount,
|
|
|
|
|
basicLength,
|
|
|
|
|
bias,
|
|
|
|
|
j,
|
|
|
|
|
m,
|
|
|
|
|
q,
|
|
|
|
|
k,
|
|
|
|
|
t,
|
|
|
|
|
currentValue,
|
|
|
|
|
output = [],
|
|
|
|
|
/** `inputLength` will hold the number of code points in `input`. */
|
|
|
|
|
inputLength,
|
|
|
|
|
/** Cached calculation results */
|
|
|
|
|
handledCPCountPlusOne,
|
|
|
|
|
baseMinusT,
|
|
|
|
|
qMinusT;
|
|
|
|
|
|
|
|
|
|
// Convert the input in UCS-2 to Unicode
|
|
|
|
|
input = ucs2decode(input);
|
|
|
|
|
|
|
|
|
|
// Cache the length
|
|
|
|
|
inputLength = input.length;
|
|
|
|
|
|
|
|
|
|
// Initialize the state
|
|
|
|
|
n = initialN;
|
|
|
|
|
delta = 0;
|
|
|
|
|
bias = initialBias;
|
|
|
|
|
|
|
|
|
|
// Handle the basic code points
|
|
|
|
|
for (j = 0; j < inputLength; ++j) {
|
|
|
|
|
currentValue = input[j];
|
|
|
|
|
if (currentValue < 0x80) {
|
|
|
|
|
output.push(stringFromCharCode(currentValue));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
handledCPCount = basicLength = output.length;
|
|
|
|
|
|
|
|
|
|
// `handledCPCount` is the number of code points that have been handled;
|
|
|
|
|
// `basicLength` is the number of basic code points.
|
|
|
|
|
|
|
|
|
|
// Finish the basic string - if it is not empty - with a delimiter
|
|
|
|
|
if (basicLength) {
|
|
|
|
|
output.push(delimiter);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Main encoding loop:
|
|
|
|
|
while (handledCPCount < inputLength) {
|
|
|
|
|
|
|
|
|
|
// All non-basic code points < n have been handled already. Find the next
|
|
|
|
|
// larger one:
|
|
|
|
|
for (m = maxInt, j = 0; j < inputLength; ++j) {
|
|
|
|
|
currentValue = input[j];
|
|
|
|
|
if (currentValue >= n && currentValue < m) {
|
|
|
|
|
m = currentValue;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
|
|
|
|
|
// but guard against overflow
|
|
|
|
|
handledCPCountPlusOne = handledCPCount + 1;
|
|
|
|
|
if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
|
|
|
|
|
error('overflow');
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
delta += (m - n) * handledCPCountPlusOne;
|
|
|
|
|
n = m;
|
|
|
|
|
|
|
|
|
|
for (j = 0; j < inputLength; ++j) {
|
|
|
|
|
currentValue = input[j];
|
|
|
|
|
|
|
|
|
|
if (currentValue < n && ++delta > maxInt) {
|
|
|
|
|
error('overflow');
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (currentValue == n) {
|
|
|
|
|
// Represent delta as a generalized variable-length integer
|
|
|
|
|
for (q = delta, k = base; /* no condition */; k += base) {
|
|
|
|
|
t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
|
|
|
|
|
if (q < t) {
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
qMinusT = q - t;
|
|
|
|
|
baseMinusT = base - t;
|
|
|
|
|
output.push(
|
|
|
|
|
stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))
|
|
|
|
|
);
|
|
|
|
|
q = floor(qMinusT / baseMinusT);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
output.push(stringFromCharCode(digitToBasic(q, 0)));
|
|
|
|
|
bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
|
|
|
|
|
delta = 0;
|
|
|
|
|
++handledCPCount;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
++delta;
|
|
|
|
|
++n;
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
return output.join('');
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Converts a Punycode string representing a domain name or an email address
|
|
|
|
|
* to Unicode. Only the Punycoded parts of the input will be converted, i.e.
|
|
|
|
|
* it doesn't matter if you call it on a string that has already been
|
|
|
|
|
* converted to Unicode.
|
|
|
|
|
* @memberOf punycode
|
|
|
|
|
* @param {String} input The Punycoded domain name or email address to
|
|
|
|
|
* convert to Unicode.
|
|
|
|
|
* @returns {String} The Unicode representation of the given Punycode
|
|
|
|
|
* string.
|
|
|
|
|
*/
|
|
|
|
|
function toUnicode(input) {
|
|
|
|
|
return mapDomain(input, function(string) {
|
|
|
|
|
return regexPunycode.test(string)
|
|
|
|
|
? decode(string.slice(4).toLowerCase())
|
|
|
|
|
: string;
|
|
|
|
|
});
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Converts a Unicode string representing a domain name or an email address to
|
|
|
|
|
* Punycode. Only the non-ASCII parts of the domain name will be converted,
|
|
|
|
|
* i.e. it doesn't matter if you call it with a domain that's already in
|
|
|
|
|
* ASCII.
|
|
|
|
|
* @memberOf punycode
|
|
|
|
|
* @param {String} input The domain name or email address to convert, as a
|
|
|
|
|
* Unicode string.
|
|
|
|
|
* @returns {String} The Punycode representation of the given domain name or
|
|
|
|
|
* email address.
|
|
|
|
|
*/
|
|
|
|
|
function toASCII(input) {
|
|
|
|
|
return mapDomain(input, function(string) {
|
|
|
|
|
return regexNonASCII.test(string)
|
|
|
|
|
? 'xn--' + encode(string)
|
|
|
|
|
: string;
|
|
|
|
|
});
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*--------------------------------------------------------------------------*/
|
|
|
|
|
|
|
|
|
|
/** Define the public API */
|
|
|
|
|
punycode = {
|
|
|
|
|
/**
|
|
|
|
|
* A string representing the current Punycode.js version number.
|
|
|
|
|
* @memberOf punycode
|
|
|
|
|
* @type String
|
|
|
|
|
*/
|
|
|
|
|
'version': '1.4.1',
|
|
|
|
|
/**
|
|
|
|
|
* An object of methods to convert from JavaScript's internal character
|
|
|
|
|
* representation (UCS-2) to Unicode code points, and back.
|
|
|
|
|
* @see <https://mathiasbynens.be/notes/javascript-encoding>
|
|
|
|
|
* @memberOf punycode
|
|
|
|
|
* @type Object
|
|
|
|
|
*/
|
|
|
|
|
'ucs2': {
|
|
|
|
|
'decode': ucs2decode,
|
|
|
|
|
'encode': ucs2encode
|
|
|
|
|
},
|
|
|
|
|
'decode': decode,
|
|
|
|
|
'encode': encode,
|
|
|
|
|
'toASCII': toASCII,
|
|
|
|
|
'toUnicode': toUnicode
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/** Expose `punycode` */
|
|
|
|
|
// Some AMD build optimizers, like r.js, check for specific condition patterns
|
|
|
|
|
// like the following:
|
|
|
|
|
if (
|
|
|
|
|
typeof define == 'function' &&
|
|
|
|
|
typeof define.amd == 'object' &&
|
|
|
|
|
define.amd
|
|
|
|
|
) {
|
|
|
|
|
define('punycode', function() {
|
|
|
|
|
return punycode;
|
|
|
|
|
});
|
|
|
|
|
} else if (freeExports && freeModule) {
|
|
|
|
|
if (module.exports == freeExports) {
|
|
|
|
|
// in Node.js, io.js, or RingoJS v0.8.0+
|
|
|
|
|
freeModule.exports = punycode;
|
|
|
|
|
} else {
|
|
|
|
|
// in Narwhal or RingoJS v0.7.0-
|
|
|
|
|
for (key in punycode) {
|
|
|
|
|
punycode.hasOwnProperty(key) && (freeExports[key] = punycode[key]);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
// in Rhino or a web browser
|
|
|
|
|
root.punycode = punycode;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}(this));
|
Cutls