All files index.js

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"use strict";
exports = module.exports = writtenNumber;
var util = require("./util");
 
var languages = ["en", "es", "ar", "az", "pt", "fr", "eo", "it", "vi", "tr", "uk", "ru", "id"];
var i18n = {
  en: require("./i18n/en.json"),
  es: require("./i18n/es.json"),
  ar: require("./i18n/ar.json"),
  az: require("./i18n/az.json"),
  pt: require("./i18n/pt.json"),
  ptPT: require("./i18n/pt-PT.json"),
  fr: require("./i18n/fr.json"),
  eo: require("./i18n/eo.json"),
  it: require("./i18n/it.json"),
  vi: require("./i18n/vi.json"),
  tr: require("./i18n/tr.json"),
  hu: require("./i18n/hu.json"),
  enIndian: require("./i18n/en-indian.json"),
  uk: require("./i18n/uk.json"),
  ru: require("./i18n/ru.json"),
  id: require("./i18n/id.json")
};
exports.i18n = i18n;
 
var shortScale = [100];
for (var i = 1; i <= 16; i++) {
  shortScale.push(Math.pow(10, i * 3));
}
 
var longScale = [100, 1000];
for (i = 1; i <= 15; i++) {
  longScale.push(Math.pow(10, i * 6));
}
 
writtenNumber.defaults = {
  noAnd: false,
  alternativeBase: null,
  lang: "en"
};
 
/**
 * Converts numbers to their written form.
 *
 * @param {Number} n The number to convert
 * @param {Object} [options] An object representation of the options
 * @return {String} writtenN The written form of `n`
 */
 
function writtenNumber(n, options) {
  options = options || {};
  options = util.defaults(options, writtenNumber.defaults);
 
  if (n < 0) {
    return "";
  }
 
  n = Math.round(+n);
 
  var language = typeof options.lang === "string"
    ? i18n[options.lang]
    : options.lang;
 
  if (!language || !language.units) {
    if (languages.indexOf(writtenNumber.defaults.lang) < 0) {
      writtenNumber.defaults.lang = "en";
    }
 
    language = i18n[writtenNumber.defaults.lang];
  }
 
  var scale = language.useLongScale ? longScale : shortScale;
  var units = language.units;
  var unit;
 
  if (!(units instanceof Array)) {
    var rawUnits = units;
 
    units = [];
    scale = Object.keys(rawUnits);
 
    for (var i in scale) {
      units.push(rawUnits[scale[i]]);
      scale[i] = Math.pow(10, parseInt(scale[i]));
    }
  }
 
  var baseCardinals = language.base;
  var alternativeBaseCardinals = options.alternativeBase
    ? language.alternativeBase[options.alternativeBase]
    : {};
 
  if (language.unitExceptions[n]) return language.unitExceptions[n];
  if (alternativeBaseCardinals[n]) return alternativeBaseCardinals[n];
  if (baseCardinals[n]) return baseCardinals[n];
  if (n < 100)
    return handleSmallerThan100(n, language, baseCardinals, alternativeBaseCardinals, options);
 
  var m = n % 100;
  var ret = [];
 
  if (m) {
    if (
      options.noAnd &&
      !(language.andException && language.andException[10])
    ) {
      ret.push(writtenNumber(m, options));
    } else {
      ret.push(language.unitSeparator + writtenNumber(m, options));
    }
  }
 
  var firstSignificant;
 
  for (var i = 0, len = units.length; i < len; i++) {
    var r = Math.floor(n / scale[i]);
    var divideBy;
 
    if (i === len - 1) divideBy = 1000000;
    else divideBy = scale[i + 1] / scale[i];
 
    r %= divideBy;
 
    unit = units[i];
 
    if (!r) continue;
    firstSignificant = scale[i];
 
    if (unit.useBaseInstead) {
      var shouldUseBaseException =
        unit.useBaseException.indexOf(r) > -1 &&
        (unit.useBaseExceptionWhenNoTrailingNumbers
          ? i === 0 && ret.length
          : true);
      if (!shouldUseBaseException) {
        ret.push(alternativeBaseCardinals[r * scale[i]] || baseCardinals[r * scale[i]]);
      } else {
        ret.push(r > 1 && unit.plural ? unit.plural : unit.singular);
      }
      continue;
    }
 
    var str;
    if (typeof unit === "string") {
      str = unit;
    } else if (r === 1 || unit.useSingularEnding && r % 10 === 1
      && (!unit.avoidEndingRules || unit.avoidEndingRules.indexOf(r) < 0)) {
      str = unit.singular;
    } else if (unit.few && (r > 1 && r < 5 || unit.useFewEnding && r % 10 > 1 && r % 10 < 5
      && (!unit.avoidEndingRules || unit.avoidEndingRules.indexOf(r) < 0))) {
      str = unit.few;
    } else {
      str = unit.plural && (!unit.avoidInNumberPlural || !m)
        ? unit.plural
        : unit.singular;
 
      // Languages with dual
      str = (r === 2 && unit.dual) ? unit.dual : str;
 
      // "restrictedPlural" : use plural only for 3 to 10
      str = (r > 10 && unit.restrictedPlural) ? unit.singular : str;
    }
 
    if (
      unit.avoidPrefixException &&
      unit.avoidPrefixException.indexOf(r) > -1
    ) {
      ret.push(str);
      continue;
    }
 
    var exception = language.unitExceptions[r];
    var number =
      exception ||
      writtenNumber(
        r,
        util.defaults(
          {
            // Languages with and exceptions need to set `noAnd` to false
            noAnd: !((language.andException && language.andException[r]) ||
              unit.andException) && true,
            alternativeBase: unit.useAlternativeBase
          },
          options
        )
      );
    n -= r * scale[i];
    ret.push(number + " " + str);
  }
 
  var firstSignificantN = firstSignificant * Math.floor(n / firstSignificant);
  var rest = n - firstSignificantN;
 
  if (
    language.andWhenTrailing &&
    firstSignificant &&
    0 < rest &&
    ret[0].indexOf(language.unitSeparator) !== 0
  ) {
    ret = [ret[0], language.unitSeparator.replace(/\s+$/, "")].concat(
      ret.slice(1)
    );
  }
 
  // Languages that have separators for all cardinals.
  if (language.allSeparator) {
    for (var j = 0; j < ret.length-1; j++) {
      ret[j] = language.allSeparator + ret[j];
    }
  }
  var result = ret.reverse().join(" ");
  return result;
}
 
function handleSmallerThan100(n, language, baseCardinals, alternativeBaseCardinals, options) {
  var dec = Math.floor(n / 10) * 10;
  var diff = n - dec;
  Eif (diff) {
    return (
      alternativeBaseCardinals[dec] || baseCardinals[dec] + language.baseSeparator + writtenNumber(diff, options)
    );
  }
  return alternativeBaseCardinals[dec] || baseCardinals[dec];
}