all files / dist/ index.js

93.04% Statements 107/115
80.39% Branches 82/102
92.31% Functions 12/13
93.86% Lines 107/114
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233                                                                                                                                                352×   17×       42× 42× 132×       360×   360×   25× 25× 25× 25×           25×     17×   17×   178× 23×   155× 155× 155×   45× 45× 84×   45×   25× 25× 25× 17×       25× 25×   25× 25× 25× 25× 50× 46× 46× 21× 46×   42×       42× 42× 42× 42× 42× 42× 42× 42× 42× 42× 132× 132× 132× 132×   132×     130×                   128× 92×   128× 19×   109× 87× 87× 83×     132× 72×   132×   42× 17× 17×         25×    
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var mathjs = require("mathjs");
var ZERO_TO_NINETEEN_MAP = [
    'zero',
    'one',
    'two',
    'three',
    'four',
    'five',
    'six',
    'seven',
    'eight',
    'nine',
    'ten',
    'eleven',
    'twelve',
    'thirteen',
    'fourteen',
    'fifteen',
    'sixteen',
    'seventeen',
    'eighteen',
    'nineteen',
];
var TWENTY_TO_NINETY_MAP = {
    '20': 'twenty',
    '30': 'thirty',
    '40': 'forty',
    '50': 'fifty',
    '60': 'sixty',
    '70': 'seventy',
    '80': 'eighty',
    '90': 'ninety',
};
var ILLIONS = [
    'thousand',
    'million',
    'billion',
    'trillion',
    'quadrillion',
    'quintillion',
    'sextillion',
    'septillion',
    'octillion',
    'nonillion',
    'decillion',
    'undecillion',
    'duodecillion',
    'tredecillion',
    'quattuordecillion',
    'quindecillion',
    'sexdecillion',
    'septendecillion',
    'octodecillion',
    'novemdecillion',
    'vigintillion',
    'unvigintillion',
    'dovigintillion',
    'trevigintillion',
    'quattuorvigintillion',
    'quinvigintillion',
    'sexvigintillion',
    'septenvigintillion',
    'octovigintillion',
    'novemvigintillion',
    'trigintillion',
    'untrigintillion',
    'dotrigintillion',
    'tretrigintillion',
    'quattuortrigintillion',
    'quintrigintillion',
    'sextrigintillion',
    'septentrigintillion',
    'octotrigintillion',
    'novemtrigintillion',
];
function isBlank(value) {
    return (/^\s*$/).test(makeString(value));
}
function isNumeric(value) {
    return !isNaN(parseFloat(value)) && isFinite(value);
}
function isString(value) {
    return (typeof (value) === 'string');
}
function eachSlice(value, size, callback) {
    Iif (size === void 0) { size = 1; }
    for (var i = 0, l = value.length; i < l; i += size) {
        callback(value.slice(i, i + size));
    }
}
function last(value) {
    return value ? value[value.length - 1] : undefined;
}
function makeString(value) {
    Iif (value == null)
        return '';
    return '' + value;
}
function numberToNonExponentString(value) {
    var _a;
    var str = (value || 0).toString();
    var exponentialNotation = str.match(/e([\+\-]?)/);
    if (exponentialNotation) {
        var exponentialNotationCapture = exponentialNotation[0];
        var exponentialParts = str.split(exponentialNotationCapture).slice(0, 2);
        var normalizedSignificand = exponentialParts[0];
        var exponent = parseInt(exponentialParts[1], 10);
        var numberParts = normalizedSignificand.split('.').slice(0, 2);
        var integerPart = '', fractionalPart = '';
        integerPart = numberParts[0], _a = numberParts[1], fractionalPart = _a === void 0 ? '' : _a;
        fractionalPart = fractionalPart.replace(/0+$/g, '');
        Eif (exponentialNotationCapture === 'e-') {
            str = '0.' + repeat('0', exponent - 1) + integerPart + fractionalPart;
        }
        else {
            str = (integerPart === '0' ? '' : integerPart) + fractionalPart + repeat('0', exponent - fractionalPart.length);
        }
    }
    return str;
}
function parseBigOrZero(value) {
    // console.log('parseBigOrZero value: ', value);
    var result = mathjs.bignumber(isNumeric(value) ? value : 0.0);
    // console.log('parseBigOrZero result: ', result);
    return result;
}
function parseZeroPaddedInt(value) {
    if (isBlank(value) || value === 0 || value === '0' || isBlank(value.toString().replace(/0/g, ''))) {
        return 0;
    }
    value = value.toString();
    var firstNonZeroIndex = value.search(/(?!0)/);
    return parseInt(value.slice(firstNonZeroIndex, value.length), 10);
}
function repeat(str, count) {
    var step, result = '';
    for (step = 0; step < count; step++) {
        result += str;
    }
    return result;
}
function numberToWords(value) {
    var _a;
    var words = [], str, numberParts, integerPart = '', fractionalPart = '', sign = '';
    if (typeof (value) === 'number') {
        str = parseBigOrZero(value).toString().replace(/^\s+$/gm, '');
    }
    else {
        str = mathjs.bignumber(makeString(value).replace(/^\s+|\s+$/gm, '').replace(/\$|\%|\,|\_/g, '')).toString();
    }
    sign = str.match(/^\-/) ? 'negative ' : '';
    if (sign) {
        str = str.replace(/^\-/, '');
    }
    numberParts = numberToNonExponentString(str).split('.').slice(0, 2);
    integerPart = numberParts[0], _a = numberParts[1], fractionalPart = _a === void 0 ? '' : _a;
    fractionalPart = fractionalPart.replace(/0+$/g, '');
    [integerPart, fractionalPart].forEach(function (numberPart, numberPartIndex) {
        if (!numberPart || numberPart.length === 0)
            return;
        var isFractionalPart = numberPartIndex === 1;
        if (isFractionalPart && fractionalPart.length > 0)
            words.push('and');
        if (!isFractionalPart && parseZeroPaddedInt(numberPart) === 0) {
            words.push('zero');
        }
        else Iif (isFractionalPart && parseZeroPaddedInt(numberPart) === 0) {
            // do nothing
        }
        else {
            var modulo = 3;
            var numberPartRemainder = numberPart.length % modulo;
            var numberZerosToAdd = (numberPartRemainder === 0 ? 0 : modulo - numberPartRemainder);
            var zeros = repeat('0', numberZerosToAdd);
            numberPart = (isFractionalPart ? (numberPart + zeros) : (zeros + numberPart));
            var index_1 = 0;
            var sliceCount = Math.floor(numberPart.length / 3);
            var lastIndex_1 = sliceCount - 1;
            var splitNumberPart = numberPart.split('');
            eachSlice(splitNumberPart, 3, function (numberPiece) {
                var number = parseZeroPaddedInt(numberPiece.join(''));
                var hundreds = Math.floor(number / 100);
                var tens = Math.floor((number - (hundreds * 100)) / 10);
                var ones = Math.floor((number - (hundreds * 100) - (tens * 10)));
                // let ones = parseZeroPaddedInt(number.toString().substr(number.toString().length - 1));
                if (isFractionalPart && fractionalPart.length === 1) {
                    words.push(ZERO_TO_NINETEEN_MAP[hundreds]);
                    words.push((words[words.length - 2] === 'and' && last(words) === 'one') ?
                        'tenth' : 'tenths');
                }
                else if (isFractionalPart && fractionalPart.length === 2) {
                    Eif (hundreds < 2 && (hundreds > 0 || tens > 0)) {
                        words.push(ZERO_TO_NINETEEN_MAP[10 * hundreds + tens]);
                    }
                    else if (hundreds >= 2) {
                        words.push(TWENTY_TO_NINETY_MAP[hundreds * 10]);
                        if (tens > 0)
                            words.push(ZERO_TO_NINETEEN_MAP[tens]);
                    }
                    words.push((words[words.length - 2] === 'and' && last(words) === 'one') ?
                        'one-hundreth' : 'one-hundreths');
                }
                else {
                    if (hundreds > 0) {
                        words.push(ZERO_TO_NINETEEN_MAP[hundreds], 'hundred');
                    }
                    if (tens < 2 && (tens > 0 || ones > 0)) {
                        words.push(ZERO_TO_NINETEEN_MAP[10 * tens + ones]);
                    }
                    else if (tens >= 2) {
                        words.push(TWENTY_TO_NINETY_MAP[tens * 10]);
                        if (ones > 0)
                            words.push(ZERO_TO_NINETEEN_MAP[ones]);
                    }
                }
                if (!((index_1 === lastIndex_1) || (number === 0))) {
                    words.push(ILLIONS[(lastIndex_1 - index_1) - 1]);
                }
                index_1 += 1;
            });
            if (isFractionalPart && fractionalPart.length > 2) {
                var illion = ILLIONS[Math.floor(numberPart.length / 3) - 1];
                words.push('one-' + illion +
                    ((words[words.length - 2] === 'and' && last(words) === 'one') ? 'th' : 'ths'));
            }
        }
    });
    return sign + words.join(' ');
}
exports.numberToWords = numberToWords;