fab-manager/app/frontend/src/javascript/lib/humanize.js

(function () {
  var Humanize, isArray, isFinite, isNaN, objectRef, timeFormats, toString;

  objectRef = new function () {}();

  toString = objectRef.toString;

  isNaN = function (value) {
    return Number.isNaN(value);
  };

  isFinite = function (value) {
    return ((typeof window !== 'undefined' && window !== null ? window.isFinite : undefined) || global.isFinite)(value) && !isNaN(parseFloat(value));
  };

  isArray = function (value) {
    return toString.call(value) === '[object Array]';
  };

  timeFormats = [
    {
      name: 'second',
      value: 1e3
    }, {
      name: 'minute',
      value: 6e4
    }, {
      name: 'hour',
      value: 36e5
    }, {
      name: 'day',
      value: 864e5
    }, {
      name: 'week',
      value: 6048e5
    }
  ];

  Humanize = {};

  Humanize.intword = function (number, charWidth, decimals) {
    if (decimals == null) {
      decimals = 2;
    }
    /*
        # This method is deprecated. Please use compactInteger instead.
        # intword will be going away in the next major version.
    */

    return Humanize.compactInteger(number, decimals);
  };

  Humanize.compactInteger = function (input, decimals) {
    var bigNumPrefixes, decimalIndex, decimalPart, decimalPartArray, length, number, numberLength, numberLengths, output, outputNumber, signString, unsignedNumber, unsignedNumberCharacterArray, unsignedNumberString, wholePart, wholePartArray, _i, _len, _length;
    if (decimals == null) {
      decimals = 0;
    }
    decimals = Math.max(decimals, 0);
    number = parseInt(input, 10);
    signString = number < 0 ? '-' : '';
    unsignedNumber = Math.abs(number);
    unsignedNumberString = '' + unsignedNumber;
    numberLength = unsignedNumberString.length;
    numberLengths = [13, 10, 7, 4];
    bigNumPrefixes = ['T', 'B', 'M', 'k'];
    if (unsignedNumber < 1000) {
      if (decimals > 0) {
        unsignedNumberString += '.' + (Array(decimals + 1).join('0'));
      }
      return '' + signString + unsignedNumberString;
    }
    if (numberLength > numberLengths[0] + 3) {
      return number.toExponential(decimals).replace('e+', 'x10^');
    }
    for (_i = 0, _len = numberLengths.length; _i < _len; _i++) {
      _length = numberLengths[_i];
      if (numberLength >= _length) {
        length = _length;
        break;
      }
    }
    decimalIndex = numberLength - length + 1;
    unsignedNumberCharacterArray = unsignedNumberString.split('');
    wholePartArray = unsignedNumberCharacterArray.slice(0, decimalIndex);
    decimalPartArray = unsignedNumberCharacterArray.slice(decimalIndex, decimalIndex + decimals + 1);
    wholePart = wholePartArray.join('');
    decimalPart = decimalPartArray.join('');
    if (decimalPart.length < decimals) {
      decimalPart += '' + (Array(decimals - decimalPart.length + 1).join('0'));
    }
    if (decimals === 0) {
      output = '' + signString + wholePart + bigNumPrefixes[numberLengths.indexOf(length)];
    } else {
      outputNumber = (+('' + wholePart + '.' + decimalPart)).toFixed(decimals);
      output = '' + signString + outputNumber + bigNumPrefixes[numberLengths.indexOf(length)];
    }
    return output;
  };

  Humanize.intcomma = Humanize.intComma = function (number, decimals) {
    if (decimals == null) {
      decimals = 0;
    }
    return Humanize.formatNumber(number, decimals);
  };

  Humanize.filesize = Humanize.fileSize = function (filesize) {
    var sizeStr;
    if (filesize >= 1073741824) {
      sizeStr = Humanize.formatNumber(filesize / 1073741824, 2, '') + ' GB';
    } else if (filesize >= 1048576) {
      sizeStr = Humanize.formatNumber(filesize / 1048576, 2, '') + ' MB';
    } else if (filesize >= 1024) {
      sizeStr = Humanize.formatNumber(filesize / 1024, 0) + ' KB';
    } else {
      sizeStr = Humanize.formatNumber(filesize, 0) + Humanize.pluralize(filesize, ' byte');
    }
    return sizeStr;
  };

  Humanize.formatNumber = function (number, precision, thousand, decimal) {
    var base; var commas; var decimals; var firstComma; var mod; var negative; var usePrecision;
    if (precision == null) {
      precision = 0;
    }
    if (thousand == null) {
      thousand = ',';
    }
    if (decimal == null) {
      decimal = '.';
    }
    firstComma = function (number, thousand, position) {
      if (position) {
        return number.substr(0, position) + thousand;
      } else {
        return '';
      }
    };
    commas = function (number, thousand, position) {
      return number.substr(position).replace(/(\d{3})(?=\d)/g, '$1' + thousand);
    };
    decimals = function (number, decimal, usePrecision) {
      if (usePrecision) {
        return decimal + Humanize.toFixed(Math.abs(number), usePrecision).split('.')[1];
      } else {
        return '';
      }
    };
    usePrecision = Humanize.normalizePrecision(precision);
    negative = number < 0 ? '-' : '';
    base = parseInt(Humanize.toFixed(Math.abs(number || 0), usePrecision), 10) + '';
    mod = base.length > 3 ? base.length % 3 : 0;
    return negative + firstComma(base, thousand, mod) + commas(base, thousand, mod) + decimals(number, decimal, usePrecision);
  };

  Humanize.toFixed = function (value, precision) {
    var power;
    if (precision == null) {
      precision = Humanize.normalizePrecision(precision, 0);
    }
    power = Math.pow(10, precision);
    return (Math.round(value * power) / power).toFixed(precision);
  };

  Humanize.normalizePrecision = function (value, base) {
    value = Math.round(Math.abs(value));
    if (isNaN(value)) {
      return base;
    } else {
      return value;
    }
  };

  Humanize.ordinal = function (value) {
    var end, leastSignificant, number, specialCase;
    number = parseInt(value, 10);
    if (number === 0) {
      return value;
    }
    specialCase = number % 100;
    if (specialCase === 11 || specialCase === 12 || specialCase === 13) {
      return '' + number + 'th';
    }
    leastSignificant = number % 10;
    switch (leastSignificant) {
      case 1:
        end = 'st';
        break;
      case 2:
        end = 'nd';
        break;
      case 3:
        end = 'rd';
        break;
      default:
        end = 'th';
    }
    return '' + number + end;
  };

  Humanize.times = function (value, overrides) {
    var number, smallTimes, _ref;
    if (overrides == null) {
      overrides = {};
    }
    if (isFinite(value) && value >= 0) {
      number = parseFloat(value);
      smallTimes = ['never', 'once', 'twice'];
      if (overrides[number] != null) {
        return '' + overrides[number];
      } else {
        return '' + (((_ref = smallTimes[number]) != null ? _ref.toString() : undefined) || number.toString() + ' times');
      }
    }
  };

  Humanize.pluralize = function (number, singular, plural) {
    if (!((number != null) && (singular != null))) {
      return;
    }
    if (plural == null) {
      plural = singular + 's';
    }
    if (parseInt(number, 10) === 1) {
      return singular;
    } else {
      return plural;
    }
  };

  Humanize.truncate = function (str, length, ending) {
    if (length == null) {
      length = 100;
    }
    if (ending == null) {
      ending = '...';
    }
    if (str.length > length) {
      return str.substring(0, length - ending.length) + ending;
    } else {
      return str;
    }
  };

  Humanize.truncatewords = Humanize.truncateWords = function (string, length) {
    var array, i, result;
    array = string.split(' ');
    result = '';
    i = 0;
    while (i < length) {
      if (array[i] != null) {
        result += '' + array[i] + ' ';
      }
      i++;
    }
    if (array.length > length) {
      return result + '...';
    }
  };

  Humanize.truncatenumber = Humanize.boundedNumber = function (num, bound, ending) {
    var result;
    if (bound == null) {
      bound = 100;
    }
    if (ending == null) {
      ending = '+';
    }
    result = null;
    if (isFinite(num) && isFinite(bound)) {
      if (num > bound) {
        result = bound + ending;
      }
    }
    return (result || num).toString();
  };

  Humanize.oxford = function (items, limit, limitStr) {
    var extra, limitIndex, numItems;
    numItems = items.length;
    if (numItems < 2) {
      return '' + items;
    } else if (numItems === 2) {
      return items.join(' and ');
    } else if ((limit != null) && numItems > limit) {
      extra = numItems - limit;
      limitIndex = limit;
      if (limitStr == null) {
        limitStr = ', and ' + extra + ' ' + (Humanize.pluralize(extra, 'other'));
      }
    } else {
      limitIndex = -1;
      limitStr = ', and ' + items[numItems - 1];
    }
    return items.slice(0, limitIndex).join(', ') + limitStr;
  };

  Humanize.dictionary = function (object, joiner, separator) {
    var defs, key, result, val;
    if (joiner == null) {
      joiner = ' is ';
    }
    if (separator == null) {
      separator = ', ';
    }
    result = '';
    if ((object != null) && typeof object === 'object' && Object.prototype.toString.call(object) !== '[object Array]') {
      defs = [];
      for (key in object) {
        val = object[key];
        defs.push('' + key + joiner + val);
      }
      result = defs.join(separator);
    }
    return result;
  };

  Humanize.frequency = function (list, verb) {
    var len, str, times;
    if (!isArray(list)) {
      return;
    }
    len = list.length;
    times = Humanize.times(len);
    if (len === 0) {
      str = '' + times + ' ' + verb;
    } else {
      str = '' + verb + ' ' + times;
    }
    return str;
  };

  Humanize.pace = function (value, intervalMs, unit) {
    var f, prefix, rate, relativePace, roundedPace, timeUnit, _i, _len;
    if (unit == null) {
      unit = 'time';
    }
    if (value === 0 || intervalMs === 0) {
      return 'No ' + (Humanize.pluralize(unit));
    }
    prefix = 'Approximately';
    timeUnit = null;
    rate = value / intervalMs;
    for (_i = 0, _len = timeFormats.length; _i < _len; _i++) {
      f = timeFormats[_i];
      relativePace = rate * f.value;
      if (relativePace > 1) {
        timeUnit = f.name;
        break;
      }
    }
    if (!timeUnit) {
      prefix = 'Less than';
      relativePace = 1;
      timeUnit = timeFormats[timeFormats.length - 1].name;
    }
    roundedPace = Math.round(relativePace);
    unit = Humanize.pluralize(roundedPace, unit);
    return '' + prefix + ' ' + roundedPace + ' ' + unit + ' per ' + timeUnit;
  };

  Humanize.nl2br = function (string, replacement) {
    if (replacement == null) {
      replacement = '<br/>';
    }
    return string.replace(/\n/g, replacement);
  };

  Humanize.br2nl = function (string, replacement) {
    if (replacement == null) {
      replacement = '\r\n';
    }
    return string.replace(/<br\s*\/?>/g, replacement);
  };

  Humanize.capitalize = function (string, downCaseTail) {
    if (downCaseTail == null) {
      downCaseTail = false;
    }
    return '' + (string.charAt(0).toUpperCase()) + (downCaseTail ? string.slice(1).toLowerCase() : string.slice(1));
  };

  Humanize.capitalizeAll = function (string) {
    return string.replace(/(?:^|\s)\S/g, function (a) {
      return a.toUpperCase();
    });
  };

  Humanize.titlecase = Humanize.titleCase = function (string) {
    var doTitleCase; var internalCaps; var smallWords; var splitOnHyphensRegex; var splitOnWhiteSpaceRegex;
    smallWords = /\b(a|an|and|at|but|by|de|en|for|if|in|of|on|or|the|to|via|vs?\.?)\b/i;
    internalCaps = /\S+[A-Z]+\S*/;
    splitOnWhiteSpaceRegex = /\s+/;
    splitOnHyphensRegex = /-/;
    doTitleCase = function (_string, hyphenated, firstOrLast) {
      var index, stringArray, titleCasedArray, word, _i, _len;
      if (hyphenated == null) {
        hyphenated = false;
      }
      if (firstOrLast == null) {
        firstOrLast = true;
      }
      titleCasedArray = [];
      stringArray = _string.split(hyphenated ? splitOnHyphensRegex : splitOnWhiteSpaceRegex);
      for (index = _i = 0, _len = stringArray.length; _i < _len; index = ++_i) {
        word = stringArray[index];
        if (word.indexOf('-') !== -1) {
          titleCasedArray.push(doTitleCase(word, true, index === 0 || index === stringArray.length - 1));
          continue;
        }
        if (firstOrLast && (index === 0 || index === stringArray.length - 1)) {
          titleCasedArray.push(internalCaps.test(word) ? word : Humanize.capitalize(word));
          continue;
        }
        if (internalCaps.test(word)) {
          titleCasedArray.push(word);
        } else if (smallWords.test(word)) {
          titleCasedArray.push(word.toLowerCase());
        } else {
          titleCasedArray.push(Humanize.capitalize(word));
        }
      }
      return titleCasedArray.join(hyphenated ? '-' : ' ');
    };
    return doTitleCase(string);
  };

  this.Humanize = Humanize;

  if (typeof module !== 'undefined' && module !== null) {
    module.exports = Humanize;
  }
}).call(this);