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var toString = Object.prototype.toString;

function isFunc(obj) {
  return toString.call(obj) === "[object Function]";
}

var classCallCheck = function (instance, Constructor) {
  if (!(instance instanceof Constructor)) {
    throw new TypeError("Cannot call a class as a function");
  }
};

var createClass = function () {
  function defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      Object.defineProperty(target, descriptor.key, descriptor);
    }
  }

  return function (Constructor, protoProps, staticProps) {
    if (protoProps) defineProperties(Constructor.prototype, protoProps);
    if (staticProps) defineProperties(Constructor, staticProps);
    return Constructor;
  };
}();

function icPart(str) {
  return str.split("").map(function (c) {
    return "(?:" + c.toUpperCase() + "|" + c.toLowerCase() + ")";
  }).join("");
}

function remove(arr, elem) {
  for (var i = arr.length - 1; i >= 0; i--) {
    if (arr[i] === elem) {
      Array.prototype.splice.call(arr, i, 1);
    }
  }
}

function hasProp(obj, key) {
  return Object.prototype.hasOwnProperty.call(obj, key);
}

var instances = {};

var Inflector = function () {
  createClass(Inflector, null, [{
    key: "getInstance",
    value: function getInstance(locale) {
      instances[locale] = instances[locale] || new Inflector();
      return instances[locale];
    }
  }]);

  function Inflector() {
    classCallCheck(this, Inflector);

    this.plurals = [];
    this.singulars = [];
    this.uncountables = [];
    this.humans = [];
    this.acronyms = {};
    this.acronymRegex = /(?=a)b/;
  }

  createClass(Inflector, [{
    key: "acronym",
    value: function acronym(word) {
      this.acronyms[word.toLowerCase()] = word;

      var values = [];

      for (var key in this.acronyms) {
        if (hasProp(this.acronyms, key)) {
          values.push(this.acronyms[key]);
        }
      }

      this.acronymRegex = new RegExp(values.join("|"));
    }
  }, {
    key: "plural",
    value: function plural(rule, replacement) {
      if (typeof rule === "string") {
        remove(this.uncountables, rule);
      }

      remove(this.uncountables, replacement);
      this.plurals.unshift([rule, replacement]);
    }
  }, {
    key: "singular",
    value: function singular(rule, replacement) {
      if (typeof rule === "string") {
        remove(this.uncountables, rule);
      }

      remove(this.uncountables, replacement);
      this.singulars.unshift([rule, replacement]);
    }
  }, {
    key: "irregular",
    value: function irregular(singular, plural) {
      remove(this.uncountables, singular);
      remove(this.uncountables, plural);

      var s0 = singular[0];
      var sRest = singular.substr(1);

      var p0 = plural[0];
      var pRest = plural.substr(1);

      if (s0.toUpperCase() === p0.toUpperCase()) {
        this.plural(new RegExp("(" + s0 + ")" + sRest + "$", "i"), "$1" + pRest);
        this.plural(new RegExp("(" + p0 + ")" + pRest + "$", "i"), "$1" + pRest);

        this.singular(new RegExp("(" + s0 + ")" + sRest + "$", "i"), "$1" + sRest);
        this.singular(new RegExp("(" + p0 + ")" + pRest + "$", "i"), "$1" + sRest);
      } else {
        var sRestIC = icPart(sRest);
        var pRestIC = icPart(pRest);

        this.plural(new RegExp(s0.toUpperCase() + sRestIC + "$"), p0.toUpperCase() + pRest);
        this.plural(new RegExp(s0.toLowerCase() + sRestIC + "$"), p0.toLowerCase() + pRest);
        this.plural(new RegExp(p0.toUpperCase() + pRestIC + "$"), p0.toUpperCase() + pRest);
        this.plural(new RegExp(p0.toLowerCase() + pRestIC + "$"), p0.toLowerCase() + pRest);

        this.singular(new RegExp(s0.toUpperCase() + sRestIC + "$"), s0.toUpperCase() + sRest);
        this.singular(new RegExp(s0.toLowerCase() + sRestIC + "$"), s0.toLowerCase() + sRest);
        this.singular(new RegExp(p0.toUpperCase() + pRestIC + "$"), s0.toUpperCase() + sRest);
        this.singular(new RegExp(p0.toLowerCase() + pRestIC + "$"), s0.toLowerCase() + sRest);
      }
    }
  }, {
    key: "uncountable",
    value: function uncountable() {
      for (var _len = arguments.length, words = Array(_len), _key = 0; _key < _len; _key++) {
        words[_key] = arguments[_key];
      }

      this.uncountables = this.uncountables.concat(words);
    }
  }, {
    key: "human",
    value: function human(rule, replacement) {
      this.humans.unshift([rule, replacement]);
    }
  }, {
    key: "clear",
    value: function clear() {
      var scope = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : "all";

      if (scope === "all") {
        this.plurals = [];
        this.singulars = [];
        this.uncountables = [];
        this.humans = [];
      } else {
        this[scope] = [];
      }
    }
  }]);
  return Inflector;
}();

function en(inflector) {
  inflector.plural(/$/, "s");
  inflector.plural(/s$/i, "s");
  inflector.plural(/^(ax|test)is$/i, "$1es");
  inflector.plural(/(octop|vir)us$/i, "$1i");
  inflector.plural(/(octop|vir)i$/i, "$1i");
  inflector.plural(/(alias|status)$/i, "$1es");
  inflector.plural(/(bu)s$/i, "$1ses");
  inflector.plural(/(buffal|tomat)o$/i, "$1oes");
  inflector.plural(/([ti])um$/i, "$1a");
  inflector.plural(/([ti])a$/i, "$1a");
  inflector.plural(/sis$/i, "ses");
  inflector.plural(/(?:([^f])fe|([lr])f)$/i, "$1$2ves");
  inflector.plural(/(hive)$/i, "$1s");
  inflector.plural(/([^aeiouy]|qu)y$/i, "$1ies");
  inflector.plural(/(x|ch|ss|sh)$/i, "$1es");
  inflector.plural(/(matr|vert|ind)(?:ix|ex)$/i, "$1ices");
  inflector.plural(/^(m|l)ouse$/i, "$1ice");
  inflector.plural(/^(m|l)ice$/i, "$1ice");
  inflector.plural(/^(ox)$/i, "$1en");
  inflector.plural(/^(oxen)$/i, "$1");
  inflector.plural(/(quiz)$/i, "$1zes");

  inflector.singular(/s$/i, "");
  inflector.singular(/(ss)$/i, "$1");
  inflector.singular(/(n)ews$/i, "$1ews");
  inflector.singular(/([ti])a$/i, "$1um");
  inflector.singular(/((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)(sis|ses)$/i, "$1sis");
  inflector.singular(/(^analy)(sis|ses)$/i, "$1sis");
  inflector.singular(/([^f])ves$/i, "$1fe");
  inflector.singular(/(hive)s$/i, "$1");
  inflector.singular(/(tive)s$/i, "$1");
  inflector.singular(/([lr])ves$/i, "$1f");
  inflector.singular(/([^aeiouy]|qu)ies$/i, "$1y");
  inflector.singular(/(s)eries$/i, "$1eries");
  inflector.singular(/(m)ovies$/i, "$1ovie");
  inflector.singular(/(x|ch|ss|sh)es$/i, "$1");
  inflector.singular(/^(m|l)ice$/i, "$1ouse");
  inflector.singular(/(bus)(es)?$/i, "$1");
  inflector.singular(/(o)es$/i, "$1");
  inflector.singular(/(shoe)s$/i, "$1");
  inflector.singular(/(cris|test)(is|es)$/i, "$1is");
  inflector.singular(/^(a)x[ie]s$/i, "$1xis");
  inflector.singular(/(octop|vir)(us|i)$/i, "$1us");
  inflector.singular(/(alias|status)(es)?$/i, "$1");
  inflector.singular(/^(ox)en/i, "$1");
  inflector.singular(/(vert|ind)ices$/i, "$1ex");
  inflector.singular(/(matr)ices$/i, "$1ix");
  inflector.singular(/(quiz)zes$/i, "$1");
  inflector.singular(/(database)s$/i, "$1");

  inflector.irregular("person", "people");
  inflector.irregular("man", "men");
  inflector.irregular("child", "children");
  inflector.irregular("sex", "sexes");
  inflector.irregular("move", "moves");
  inflector.irregular("zombie", "zombies");

  inflector.uncountable("equipment", "information", "rice", "money", "species", "series", "fish", "sheep", "jeans", "police");
}

var defaults$1 = {
  en: en
};

function inflections(locale, fn) {
  if (isFunc(locale)) {
    fn = locale;
    locale = null;
  }

  locale = locale || "en";

  if (fn) {
    fn(Inflector.getInstance(locale));
  } else {
    return Inflector.getInstance(locale);
  }
}

for (var locale in defaults$1) {
  inflections(locale, defaults$1[locale]);
}

function applyInflections(word, rules) {
  var result = "" + word,
      rule,
      regex,
      replacement;

  if (result.length === 0) {
    return result;
  } else {
    var match = result.toLowerCase().match(/\b\w+$/);

    if (match && inflections().uncountables.indexOf(match[0]) > -1) {
      return result;
    } else {
      for (var i = 0, ii = rules.length; i < ii; i++) {
        rule = rules[i];

        regex = rule[0];
        replacement = rule[1];

        if (result.match(regex)) {
          result = result.replace(regex, replacement);
          break;
        }
      }

      return result;
    }
  }
}

function pluralize(word) {
  var locale = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "en";

  return applyInflections(word, inflections(locale).plurals);
}

function singularize(word) {
  var locale = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "en";

  return applyInflections(word, inflections(locale).singulars);
}

function capitalize(str) {
  var result = str === null || str === undefined ? "" : String(str);
  return result.charAt(0).toUpperCase() + result.slice(1);
}

function camelize(term, uppercaseFirstLetter) {
  if (uppercaseFirstLetter === null || uppercaseFirstLetter === undefined) {
    uppercaseFirstLetter = true;
  }

  var result = "" + term;

  if (uppercaseFirstLetter) {
    result = result.replace(/^[a-z\d]*/, function (a) {
      return inflections().acronyms[a] || capitalize(a);
    });
  } else {
    result = result.replace(new RegExp("^(?:" + inflections().acronymRegex.source + "(?=\\b|[A-Z_])|\\w)"), function (a) {
      return a.toLowerCase();
    });
  }

  result = result.replace(/(?:_|(\/))([a-z\d]*)/gi, function (match, a, b, idx, string) {
    a || (a = "");
    return "" + a + (inflections().acronyms[b] || capitalize(b));
  });

  return result;
}

function underscore(camelCasedWord) {
  var result = "" + camelCasedWord;

  result = result.replace(new RegExp("(?:([A-Za-z\\d])|^)(" + inflections().acronymRegex.source + ")(?=\\b|[^a-z])", "g"), function (match, $1, $2) {
    return "" + ($1 || "") + ($1 ? "_" : "") + $2.toLowerCase();
  });

  result = result.replace(/([A-Z\d]+)([A-Z][a-z])/g, "$1_$2");
  result = result.replace(/([a-z\d])([A-Z])/g, "$1_$2");
  result = result.replace(/-/g, "_");

  return result.toLowerCase();
}

function humanize(lowerCaseAndUnderscoredWord, options) {
  var result = "" + lowerCaseAndUnderscoredWord;
  var humans = inflections().humans;
  var human = void 0,
      rule = void 0,
      replacement = void 0;

  options = options || {};

  if (options.capitalize === null || options.capitalize === undefined) {
    options.capitalize = true;
  }

  for (var i = 0, ii = humans.length; i < ii; i++) {
    human = humans[i];
    rule = human[0];
    replacement = human[1];

    if (rule.test && rule.test(result) || result.indexOf(rule) > -1) {
      result = result.replace(rule, replacement);
      break;
    }
  }

  result = result.replace(/_id$/, "");
  result = result.replace(/_/g, " ");

  result = result.replace(/([a-z\d]*)/gi, function (match) {
    return inflections().acronyms[match] || match.toLowerCase();
  });

  if (options.capitalize) {
    result = result.replace(/^\w/, function (match) {
      return match.toUpperCase();
    });
  }

  return result;
}

function titleize(word) {
  return humanize(underscore(word)).replace(/(^|[\s¿/]+)([a-z])/g, function (match, boundary, letter, idx, string) {
    return match.replace(letter, letter.toUpperCase());
  });
}

function tableize(className) {
  return pluralize(underscore(className));
}

function classify(tableName) {
  return camelize(singularize(tableName.replace(/.*\./g, "")));
}

function dasherize(underscoredWord) {
  return underscoredWord.replace(/_/g, "-");
}

function foreignKey(className) {
  var separateWithUnderscore = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;

  return "" + underscore(className) + (separateWithUnderscore ? "_id" : "id");
}

function ordinal(number) {
  var absNumber = Math.abs(Number(number));
  var mod100 = absNumber % 100;

  if (mod100 === 11 || mod100 === 12 || mod100 === 13) {
    return "th";
  } else {
    switch (absNumber % 10) {
      case 1:
        return "st";
      case 2:
        return "nd";
      case 3:
        return "rd";
      default:
        return "th";
    }
  }
}

function ordinalize(number) {
  return "" + number + ordinal(number);
}

// prettier-ignore
var DEFAULT_APPROXIMATIONS = {
  'À': 'A', 'Á': 'A', 'Â': 'A', 'Ã': 'A', 'Ä': 'A', 'Å': 'A', 'Æ': 'AE',
  'Ç': 'C', 'È': 'E', 'É': 'E', 'Ê': 'E', 'Ë': 'E', 'Ì': 'I', 'Í': 'I',
  'Î': 'I', 'Ï': 'I', 'Ð': 'D', 'Ñ': 'N', 'Ò': 'O', 'Ó': 'O', 'Ô': 'O',
  'Õ': 'O', 'Ö': 'O', '×': 'x', 'Ø': 'O', 'Ù': 'U', 'Ú': 'U', 'Û': 'U',
  'Ü': 'U', 'Ý': 'Y', 'Þ': 'Th', 'ß': 'ss', 'à': 'a', 'á': 'a', 'â': 'a',
  'ã': 'a', 'ä': 'a', 'å': 'a', 'æ': 'ae', 'ç': 'c', 'è': 'e', 'é': 'e',
  'ê': 'e', 'ë': 'e', 'ì': 'i', 'í': 'i', 'î': 'i', 'ï': 'i', 'ð': 'd',
  'ñ': 'n', 'ò': 'o', 'ó': 'o', 'ô': 'o', 'õ': 'o', 'ö': 'o', 'ø': 'o',
  'ù': 'u', 'ú': 'u', 'û': 'u', 'ü': 'u', 'ý': 'y', 'þ': 'th', 'ÿ': 'y',
  'Ā': 'A', 'ā': 'a', 'Ă': 'A', 'ă': 'a', 'Ą': 'A', 'ą': 'a', 'Ć': 'C',
  'ć': 'c', 'Ĉ': 'C', 'ĉ': 'c', 'Ċ': 'C', 'ċ': 'c', 'Č': 'C', 'č': 'c',
  'Ď': 'D', 'ď': 'd', 'Đ': 'D', 'đ': 'd', 'Ē': 'E', 'ē': 'e', 'Ĕ': 'E',
  'ĕ': 'e', 'Ė': 'E', 'ė': 'e', 'Ę': 'E', 'ę': 'e', 'Ě': 'E', 'ě': 'e',
  'Ĝ': 'G', 'ĝ': 'g', 'Ğ': 'G', 'ğ': 'g', 'Ġ': 'G', 'ġ': 'g', 'Ģ': 'G',
  'ģ': 'g', 'Ĥ': 'H', 'ĥ': 'h', 'Ħ': 'H', 'ħ': 'h', 'Ĩ': 'I', 'ĩ': 'i',
  'Ī': 'I', 'ī': 'i', 'Ĭ': 'I', 'ĭ': 'i', 'Į': 'I', 'į': 'i', 'İ': 'I',
  'ı': 'i', 'IJ': 'IJ', 'ij': 'ij', 'Ĵ': 'J', 'ĵ': 'j', 'Ķ': 'K', 'ķ': 'k',
  'ĸ': 'k', 'Ĺ': 'L', 'ĺ': 'l', 'Ļ': 'L', 'ļ': 'l', 'Ľ': 'L', 'ľ': 'l',
  'Ŀ': 'L', 'ŀ': 'l', 'Ł': 'L', 'ł': 'l', 'Ń': 'N', 'ń': 'n', 'Ņ': 'N',
  'ņ': 'n', 'Ň': 'N', 'ň': 'n', 'ʼn': '\'n', 'Ŋ': 'NG', 'ŋ': 'ng',
  'Ō': 'O', 'ō': 'o', 'Ŏ': 'O', 'ŏ': 'o', 'Ő': 'O', 'ő': 'o', 'Œ': 'OE',
  'œ': 'oe', 'Ŕ': 'R', 'ŕ': 'r', 'Ŗ': 'R', 'ŗ': 'r', 'Ř': 'R', 'ř': 'r',
  'Ś': 'S', 'ś': 's', 'Ŝ': 'S', 'ŝ': 's', 'Ş': 'S', 'ş': 's', 'Š': 'S',
  'š': 's', 'Ţ': 'T', 'ţ': 't', 'Ť': 'T', 'ť': 't', 'Ŧ': 'T', 'ŧ': 't',
  'Ũ': 'U', 'ũ': 'u', 'Ū': 'U', 'ū': 'u', 'Ŭ': 'U', 'ŭ': 'u', 'Ů': 'U',
  'ů': 'u', 'Ű': 'U', 'ű': 'u', 'Ų': 'U', 'ų': 'u', 'Ŵ': 'W', 'ŵ': 'w',
  'Ŷ': 'Y', 'ŷ': 'y', 'Ÿ': 'Y', 'Ź': 'Z', 'ź': 'z', 'Ż': 'Z', 'ż': 'z',
  'Ž': 'Z', 'ž': 'z'
};

var DEFAULT_REPLACEMENT_CHAR = "?";

var instances$1 = {};

var Transliterator = function () {
  createClass(Transliterator, null, [{
    key: 'getInstance',
    value: function getInstance(locale) {
      instances$1[locale] = instances$1[locale] || new Transliterator();
      return instances$1[locale];
    }
  }]);

  function Transliterator() {
    classCallCheck(this, Transliterator);

    this.approximations = {};

    for (var char in DEFAULT_APPROXIMATIONS) {
      this.approximate(char, DEFAULT_APPROXIMATIONS[char]);
    }
  }

  createClass(Transliterator, [{
    key: 'approximate',
    value: function approximate(char, replacement) {
      this.approximations[char] = replacement;
    }
  }, {
    key: 'transliterate',
    value: function transliterate(string, replacement) {
      var _this = this;

      return string.replace(/[^\u0000-\u007f]/g, function (c) {
        return _this.approximations[c] || replacement || DEFAULT_REPLACEMENT_CHAR;
      });
    }
  }]);
  return Transliterator;
}();

function transliterations(locale, fn) {
  if (isFunc(locale)) {
    fn = locale;
    locale = null;
  }

  locale = locale || "en";

  if (fn) {
    fn(Transliterator.getInstance(locale));
  } else {
    return Transliterator.getInstance(locale);
  }
}

function transliterate(string) {
  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

  var locale = options.locale || "en";
  var replacement = options.replacement || "?";

  return transliterations(locale).transliterate(string, replacement);
}

function parameterize(string) {
  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

  if (options.separator === undefined) {
    options.separator = "-";
  }

  if (options.separator === null) {
    options.separator = "";
  }

  // replace accented chars with their ascii equivalents
  var result = transliterate(string, options);

  result = result.replace(/[^a-z0-9\-_]+/ig, options.separator);

  if (options.separator.length) {
    var separatorRegex = new RegExp(options.separator);

    // no more than one of the separator in a row
    result = result.replace(new RegExp(separatorRegex.source + "{2,}"), options.separator);

    // remove leading/trailing separator
    result = result.replace(new RegExp("^" + separatorRegex.source + "|" + separatorRegex.source + "$", "i"), "");
  }

  return result.toLowerCase();
}

export { pluralize, singularize, camelize, underscore, humanize, titleize, tableize, classify, dasherize, foreignKey, ordinal, ordinalize, transliterate, parameterize, capitalize, inflections, transliterations };




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